Page 1 Operator’s Manual Wheel Loader WL 50 www.wackerneuson.com...
Page 2 December 08 Edition...
Page 3 You have opted for a Wacker Neuson loader – thank you very much for putting your trust in us. Your Wacker Neuson loader is a powerful product with robust technology and a wide range of applications to aid you in your day-to-day work.
Page 4: Table Of Contents
CONTENTS TABLE OF CONTENTS PREFACE ................................7 BASIC INFORMATION ............................. 8 Notes about this Operator’s Manual ....................... 9 Explanation of the symbols used in this Operator’s Manual ..............10 Warranty and liability..........................11 Intended use ............................12 BASIC SAFETY INSTRUCTIONS ........................14 Organizational measures ........................
Page 5 CONTENTS W L 5 0 Final decommissioning / dismantling ....................28 Safety labels used ..........................29 Safety devices ............................34 2.8.1 Fire extinguisher ........................... 34 2.8.2 Rotating beacon ............................ 34 2.8.3 Seat belt ..............................35 2.8.4 Emergency exit ............................. 36 2.8.5 Backup alarm for reverse drive ......................
Page 6 CONTENTS Before starting up ..........................58 5.1.1 Fueling ..............................58 5.1.2 Operation .............................. 60 5.1.3 Doors and windows..........................62 5.1.4 Adjusting the operator’s seat ........................ 65 5.1.5 Adjusting the steering column ....................... 68 5.1.6 Seat belt ..............................69 Starting up ............................72 5.2.1 Lighting system and forward warning device ..................
Page 7 CONTENTS W L 5 0 5.4.8 Precaution measures for various temperature conditions ..............116 Optional equipment ..........................118 TOWING AND TRANSPORTING ......................... 122 Towing ..............................122 Transporting ............................126 LOWERING LOADER ARMS........................133 RELIEVING RESIDUAL PRESSURE IN THE HYDRAULIC SYSTEM ............134 SECURING THE LOADER ...........................
Page 8 CONTENTS 10.7.6 Servicing the hydraulic system ......................188 10.7.7 Servicing the axles..........................197 10.7.8 Servicing the brakes ........................... 201 10.7.9 Servicing the tires and wheels ......................204 10.7.10 Servicing the cab vent filter ......................... 208 10.7.11 Servicing the air conditioning system ....................209 10.7.12 Servicing the electrical system ......................
Page 9: Preface
P R E FA C E W L 5 0 PREFACE This Operator’s Manual describes how to operate and The Operator’s Manual must always be located in service the loader. It provides operating and maintenance the loader or at the place where it is being used. personnel with the necessary knowledge of the loader‘s functional characteristics in order to allow them to operate, diagnose, maintain and repair the loader safely.
Page 10: Basic Information
B A S I C I N F O R M AT I O N BASIC INFORMATION Each new user must be instructed before using the loader If it is not possible to rule out hazards to persons or material for the first time.
Page 11: Notes About This Operator's Manual
The information contained in this manual is based in this Operator’s Manual. on machines manufactured up until the time of publication. Wacker Neuson Corporation reserves the right to change Always strictly observe the safety instructions in this Opera- any portion of this information without notice.
Page 12: Explanation Of The Symbols Used In This Operator's Manual
B A S I C I N F O R M AT I O N Explanation of the symbols used in this Operator’s Manual CAUTION To ensure safe operation and maintenance of the wheel CAUTION indicates a hazardous situation which, if loader, it is necessary that you follow all the instructions in not avoided, could result in minor or moderate injury.
Page 13: Warranty And Liability
Observe the following points: • Do not make any changes to the wheel loader. • Use only Wacker Neuson- approved attachments for your loader. • The loader many only be started up, operated and ser- viced as described in the Operator’s Manual.
Page 14: Intended Use
/ regulations and time periods listed by Wacker Neuson in the Operator’s Manual. One work cycle consists of picking up, lifting, transporting and unloading the material.
Page 15 B A S I C I N F O R M AT I O N W L 5 0 The wheel loader shall not be employed for any of the fol- lowing work activities: • lifting or transporting people • using it as a working platform •...
Page 16: Basic Safety Instructions
B A S I C S A F E T Y I N S T R U C T I O N S BASIC SAFETY INSTRUCTIONS This Wheel Loader is equipped with a Starter Lock / Drive Lock which must be kept operational. •...
Page 17: Organizational Measures
• No modifications shall be made to the wheel loader. substances at the location of use. Contact your Wacker Neuson dealer for specific advice • Supplement the Operator’s Manual with instructions, regarding the use of the wheel loader and approved including supervisory and reporting requirements, taking attachments.
Page 18 If worn or damaged parts need replacement, use only • Make the location and means of operation of the fire Wacker Neuson replacement parts to ensure optimum extinguishers known, and consider the options for fire performance and safety. detection and fighting.
Page 19: Selection And Qualification Of Personnel / Basic Duties
B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 Selection and qualification of personnel / basic duties • The operator of the wheel loader must be qualified to •...
Page 20: Safety Instructions For Certain Operating Phases
B A S I C S A F E T Y I N S T R U C T I O N S Safety instructions for certain operating phases The safety instructions are directed at all persons involved • If the wheel loader does not respond as expected to the in work on or with the loader.
Page 21 B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 • When driving on public roads, lanes and squares, ob- • Do not drive transversely on slopes; always keep work serve the valid road traffic regulations and put the loader equipment and load near the ground, especially when into a condition permissible for the road beforehand.
Page 22: Safety Instructions For Other Operating Modes
B A S I C S A F E T Y I N S T R U C T I O N S 2.3.2 Safety instructions for other operating modes These safety instructions refer to special tasks relating to the •...
Page 23 B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 • Use lifting devices to raise and support parts and as- • Clean the entire loader, especially the connections semblies exceeding 10 kg (22 lbs) weight during repair and threaded connections, with oil, fuel or care prod- and replacement activity.
Page 24 If the mounting structure, base, or mounting ► Allow only trained authorized personnel to install hardware is damaged, consult your Wacker Neuson new ROPS / FOPS structures. dealer for assistance. Do not attempt to repair, straighten or reuse a damaged ROPS or FOPS.
Page 25: Safety Instructions For Particular Hazards
B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 Safety instructions for particular hazards 2.4.1 Forklift attachment Fig. 2 Transport of large WARNING bales or packaged Personal injury hazard.
Page 26: Working Near Overhead Power Lines
B A S I C S A F E T Y I N S T R U C T I O N S 2.4.2 Working near overhead power lines WARNING If inadvertent contact with a live electric source occurs: Electric shock hazard. The operator of the Wheel Loader can be killed if •...
Page 27: Electrical Power
B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 2.4.3 Electrical power 2.4.4 Flying sparks / fire danger • Regularly check the loader‘s electrical equipment. De- WARNING fects, such as loose plug connections or cables with Fire hazard.
Page 28: Gas, Dust, Steam, Smoke
• Replace hydraulic lines and fittings with original equip- Do not perform any welding operation unless qualified ment parts from your Wacker Neuson dealer to assure to do so. • Wear appropriate personal protective equipment (breath- original performance and safety. The reinstalled hy-...
Page 29: Tip-Overs
B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 2.4.7 Tip-overs 2.4.8 Noise WARNING • All the loader‘s sound-proofing devices must be in their Personal injury hazard.
Page 30: Transporting And Towing / Restarting
B A S I C S A F E T Y I N S T R U C T I O N S Transporting and towing / restarting Final decommissioning / dismantling • Instructions are provided in this Operator’s Manual for •...
Page 31: Safety Labels Used
Maintain all safety message labels on the machine in a legible manner. If a safety label becomes dam- aged or illegible, replace it with a new label avail- able from your Wacker Neuson dealer or at www. wackerneuson.com. Fig. 3...
Page 32 B A S I C S A F E T Y I N S T R U C T I O N S Safety label 1 Safety label 3 Warning Warning Do not stand near the loader during Personal injury hazard from falling operation.
Page 33 B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 Safety label 5 Safety label 7 Important Warning Remove the starting key and read the Hot surfaces can cause burns.
Page 34 B A S I C S A F E T Y I N S T R U C T I O N S Safety label 9 Safety label 11 Warning Warning Personal injury hazard. Always wear Pinching/crushing hazard. Avoid the ar- the seat belt while operating the wheel ticulation area while the Wheel Loader loader.
Page 35 B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 Safety label 13 Label 15 Warning Possibility of equipment damage If the ROPS / FOPS protective structures are damaged, Close both doors before tilt- they can not serve their protective function.
Page 36: Safety Devices
B A S I C S A F E T Y I N S T R U C T I O N S Safety devices 2.8.1 Fire extinguisher Fig. 4 Fire extinguisher A fire extinguisher can be installed to operator cab rail to the right of the operator ‘s seat.
Page 37: Seat Belt
B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 2.8.3 Seat belt Before starting the engine: Fig. 6 • adjust the seat to provide comfortable access Seat belt to all control ranges.
Page 38: Emergency Exit
B A S I C S A F E T Y I N S T R U C T I O N S 2.8.4 Emergency exit Fig. 7 The cab door on the left side of the machine fac- Emergency exit ing the forward direction of travel is the primary access system to the operator station.
Page 39: Battery Disconnect Switch
B A S I C S A F E T Y I N S T R U C T I O N S W L 5 0 2.8.6 Battery disconnect switch After removing the disconnect switch key, place the Fig. 8 attached cover over the key opening to prevent dirt Battery disconnect and water from entering the switch.
Page 40: Loader Lift Arm Locking System
B A S I C S A F E T Y I N S T R U C T I O N S 2.8.7 Loader lift arm locking system CAUTION Fig. 9 Possibility of inadvertent loader lift arm activation. Switch for loader lift Inadvertent activation can result in the loader arms arms lock dropping causing the bucket or attachment to en-...
Page 41: Technical Data
TECHNICAL DATA W L 5 0 TECHNICAL DATA Technical description Brakes The loader consists of the vehicle frame, the drive and the Service braking is provided by the propulsion hydraulic axles. The vehicle frame contains all the drive and control system through the transfer gearbox and driveshaft to both units for the standard configuration.
Page 42 TECHNICAL DATA Hydraulics The loader has two hydraulic systems supplied by a hy- input power is limited to the diesel engine output, increased draulic fluid reservoir: demands from traversing a grade or loading the bucket will result in speed reduction which increases the torque to meet - hydrostatic drive the performance demand.
Page 43: Loader Data
TECHNICAL DATA W L 5 0 Electrical system Loader data Engine The electrical system operates at 12 volts and the electrical circuits are protected by fuses to prevent overload damage Manufacturer Deutz to the system and its components. Model 4-cylinder turbo diesel engine Equipment Type TD 2011 L04 w...
Page 44 TECHNICAL DATA Hydraulics Vibrations (weighted effective value) Driving hydraulics Upper extremities no more than 2.50 m/s² 8.19 ft/s² Flow rate 129 l/min 34 gallons/min Feet or seat surface no more than 0.80 m/s² 2.64 ft/s² Working pressure 445 bar 6454 psi Working hydraulics Noise values Flow rate...
Page 45: Product Identification Number Plates
TECHNICAL DATA W L 5 0 Product identification number plates A product identification number plate is attached to the Fig. 10 loader on the right side of the front carriage (Fig. 10). Vehicle ID It lists the following information: • Manufacturer •...
Page 46: Dimensions
TECHNICAL DATA Dimensions Fig. 11 Dimensions...
Page 47 TECHNICAL DATA W L 5 0 Dimensions with 405/70 R18 EM tires Item Designation Value Item Designation Value Overall length with standard Total working height* 4090 mm 161.0 inch 5417 mm 213.3 inch shovel Max. dumping angle at max. 38° A‘...
Page 48: Description Of The Indicator, Warning And Control Elements
DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs DESCRIPTION OF THE INDICATOR, WARNING AND CONTROL ELEMENTS Operating elements and instruments Fig. 12 Operating elements...
Page 49 W L 5 0 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Item Designation Steering wheel turning knob Instrument panel Steering wheel Accelerator Operating lever for load arm / drive Operating lever for optional hydraulics Operating lever for parking brake Operator’s seat Braking-inching pedal Operating lever for adjusting the steering column...
Page 50: Control And Warning Lights
DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Control and warning indicator lights • If the indicator lights do not illuminate properly at the starting sequence, repair the malfunction before operating the machine. • If an indicator light illuminates during operation, move the machine to a safe place, lower the loader arms and stop the engine.
Page 51 W L 5 0 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Item Designation Function Symbol Heater indicator light Illuminates during preheating Indicator light for electrical connection on loader lift Illuminates when electrical connection is switched on. arms (optional equipment) Warning light for return filter Illuminates if the pressure at the return filter is too high No function...
Page 52 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Control and warning indicator lights • If the indicator lights do not illuminate properly at the starting sequence, repair the malfunction before operating the machine. • If an indicator light illuminates during operation, move the machine to a safe place, lower the loader arms and stop the engine.
Page 53 W L 5 0 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Item Designation Function Symbol Indicator light for main beam Illuminates when the main beam is switched on Warning light for engine oil pressure Illuminates when engine oil pressure is too low Indicator light for parking brake Illuminates when the parking brake is on Air filter indicator light...
Page 54: Indicator Devices
DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Indicator devices Item Designation Function Fig. 14 Indicator devices Engine tem- Shows the diesel engine‘s temperature perature Tachometer Shows the diesel engine‘s rpm Adds up the loader‘s operating time. Hour meter Plan your service work and inspection work according to the meter reading Fuel gauge...
Page 55: Switches / Rotary Switches
W L 5 0 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Switches / rotary switches Item Designation Function Fig. 15 Rotary switches Switches lighting and signal Combination switch horn ON/OFF Rotary switch, tem- To adjust the temperature of perature control the heater fan Rotary switch, heater...
Page 56: Rocker Switches
DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Rocker switches Fig. 16 Fig. 17 Rocker switches 1 Rocker switches 2...
Page 57 W L 5 0 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Item Designation Function Symbol No function Available for optional equipment Rocker switch for hazard warning lights Switches hazard warning lights on/off Switches the air conditioning system on/off Rocker switch, air conditioning system (optional equipment) Rocker switch, illumination system...
Page 58: Fig. 18 Rocker Switches 3
DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Rocker switches Fig. 18 Rocker switches 3 11 12...
Page 59 W L 5 0 DesCRIpTION Of The INDICATOR , WARNING AND CONTROl elemeNTs Item Designation Function Symbol Rocker switch for front headlights Switches front headlights on/off Rocker switch for rear headlights Switches rear headlights on/off Rocker switch, rear-window wiper / back washer system Switches rear window wipers and back washer system (second switch level) on/off...
Page 60: Operating And Operation
O P E R AT I N G A N D O P E R AT I O N OPERATING AND OPERATION Before starting up 5.1.1 Fueling Read the Operator’s Manual before starting up the • Lower the loader lift arms and attachment to the loader.
Page 61: Fig. 19 Fuel Filler Neck
O P E R AT I N G A N D O P E R AT I O N W L 5 0 NOTICE Fig. 19 Use only clean, conventional high-grade diesel fuel Fuel filler neck to operate the loader. If at all possible, use a fine filter in the filling line.
Page 62: Operation
O P E R AT I N G A N D O P E R AT I O N Before entering the cab 5.1.2 Operation WARNING • Check that the loader is clean and undamaged. Personal injury hazard. • Check that the handles and steps are in good condition ►...
Page 63 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Operator station access Check: WARNING Slipping hazard. • Engine oil level ► Check that the handles and steps are in good •...
Page 64: Doors And Windows
O P E R AT I N G A N D O P E R AT I O N 5.1.3 Doors and windows CAUTION Fig. 20 Possibility of injury or equipment damage from un- Cab door locking latched cab doors. mechanism ►...
Page 65: Fig. 21 Window Locking Mechanism
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Fig. 21 Fig. 22 Window locking Window arrest mechanism The side windows can be opened and locked in this po- sition.
Page 66: Fig. 23 Door Arrest
O P E R AT I N G A N D O P E R AT I O N Fig. 23 Fig. 24 Door arrest Release door arrest The doors can also be opened together with the side window and locked in this position. •...
Page 67: Adjusting The Operator's Seat
O P E R AT I N G A N D O P E R AT I O N W L 5 0 5.1.4 Adjusting the operator’s seat WARNING Fig. 25 Personal injury or property damage hazard. Door put-up hinges Adjusting the operator seat while the wheel loader is in operation can cause inadvertent control move- ments.
Page 68 O P E R AT I N G A N D O P E R AT I O N Height adjustment: Fig. 26 Adjusting the opera- The seat height can be adjusted to three different positions. tor’s seat Lift the seat out of its lowest position until it engages in the middle position.
Page 69 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Lengthwise adjustment of the seat separately Weight adjustment: from the steering console: Adjust the weight while sitting in the seat, by turning the Adjust the seat in the lengthwise direction by pushing the weight adjustment knob.
Page 70: Adjusting The Steering Column
O P E R AT I N G A N D O P E R AT I O N 5.1.5 Adjusting the steering column WARNING Fig. 27 Personal injury or property damage hazard. Adjusting the steer- Adjusting the steering column while the wheel load- ing column er is in operation can cause inadvertent machine movement.
Page 71: Seat Belt
O P E R AT I N G A N D O P E R AT I O N W L 5 0 5.1.6 Seat belt WARNING Personal injury hazard. Not wearing the seat belt, or operating with a dam- aged seat belt, can result in injury to the opera- tor.
Page 72 O P E R AT I N G A N D O P E R AT I O N Buckling the seat belt Sit back in the operator seat, so that your entire back is Fig. 28 touching the seat. Buckling the seat Place the seat belt over your lap.
Page 73 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Adjusting the seat belt WARNING Fig. 29 Personal injury or property damage hazard. Adjusting the seat Adjusting the seat belt while the wheel loader is belt in operation can cause inadvertent control move- ments.
Page 74: Starting Up
O P E R AT I N G A N D O P E R AT I O N Starting up 5.2.1 Lighting system and forward warning device WARNING Check the lighting, turn signal, and forward warning Possibility of injury or equipment damage from in- device each time before driving.
Page 75 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Switch the lighting, turn signal and forward warning device Fig. 30 functions on and off with the lever (Fig. 30/2). Lighting / forward warning device Push the lever away from the operator:...
Page 76: Wipers And Windshield Washer System
O P E R AT I N G A N D O P E R AT I O N 5.2.2 Wipers and windshield washer system Switch the front windshield wiper and windshield washer Fig. 31 system on/off with the lever Item 1 (Fig. 31) to the left of Switches for wind- the steering wheel.
Page 77 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Filling the container for the windshield washer system Switch the rear windshield wiper and windshield washer system on/off with the rocker switch Item 13 (Fig. 31). The container for the windshield washer system is located on the rear side of the cab to the left.
Page 78: Headlights And Rotating Beacon
O P E R AT I N G A N D O P E R AT I O N 5.2.3 Headlights and rotating beacon WARNING The switches for switching on the headlights are located Personal injury or property damage hazard. Work- in the cab to the right above the operator‘s seat (Fig.
Page 79 O P E R AT I N G A N D O P E R AT I O N W L 5 0 The rotating beacon Rear window heating (optional equipment) The loader has a heated rear window. With this heater, you Use the yellow rotating beacon according to local can keep the rear window free of ice in cold weather.
Page 80: Ventilation And Heating Of The Cab
O P E R AT I N G A N D O P E R AT I O N Heating 5.2.4 Ventilation and heating of the cab Ventilation Temperature Ventilate the cab by means of the fan with the heating Use the left regulator Item W to adjust the temperature switched off, or by means of the doors and windows.
Page 81: Air Conditioning System
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Ventilation outlets Air conditioning system (optional equipment) You can use the outlets (Fig. 35) to control air flow into cab. In cold weather, warm air supply keeps the windows free of NOTICE ice and heats the cab in the process.
Page 82: Before Starting The Engine
O P E R AT I N G A N D O P E R AT I O N 5.2.5 Before starting the engine Before starting the engine: Perform the »Before entering the cab« checks prior to • Make sure that no one is on or near the load- starting the engine (see the chapter »Operation«).
Page 83: Starting The Engine
O P E R AT I N G A N D O P E R AT I O N W L 5 0 5.2.6 Starting the engine • Check that no one is in the loader‘s danger • Due to the high viscosity in the hydraulic sys- area.
Page 84 O P E R AT I N G A N D O P E R AT I O N Description of the starting process Use the starting key to start the loader‘s engine (Fig. 37). Push the foot accelerator. Starting: •...
Page 85: If The Engine Does Not Start
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Preheating If the engine does not start You can preheat the engine to make the starting process It is absolutely not possible to start the engine by at lower temperatures easier.
Page 86: Propulsion Operation
O P E R AT I N G A N D O P E R AT I O N Propulsion operation Description of the propulsion hydraulics Secure the attachment: Ensure that the bucket has been emptied and has been – See »Hydraulics«...
Page 87: Travel Speed
O P E R AT I N G A N D O P E R AT I O N W L 5 0 5.3.2 Travel speed WARNING All functions of the multi-function lever only works Personal injury hazard from tipping or roll-over if the operator has attached the seat belt firmly and incidents.
Page 88: Changing Travel Directions
O P E R AT I N G A N D O P E R AT I O N Changing travel directions WARNING Be careful when traveling in snowy and icy condi- Personal injury and machine damage hazards from tions. Reduce your travel speed considerably in abrupt directional changes.
Page 89: Changing Speeds
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Changing speeds The loader has an overdrive and a crawler gear. Use the Fig. 38 button item 2 (Fig. 38) to shift the loader‘s gears. After start- Changing direction ing the engine, overdrive is automatically activated.
Page 90: Loader Travel
O P E R AT I N G A N D O P E R AT I O N Loader travel Braking and stopping • Release the parking brake after the engine has warmed To change the traveling speed independently of the en- gine speed, you can push the braking-inching pedal on the The handbrake indicator light will go off.
Page 91: Stopping And Parking
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Changing the travel direction 5.3.3 Stopping and parking WARNING • Stop the machine in a safe location out of the Personal injury and machine damage hazards from traffic flow pattern and on firm ground.
Page 92: Work Operation
O P E R AT I N G A N D O P E R AT I O N Work operation Before starting to work with the loader: In the event of power loss (failure of the engine and/ • Survey the work area to determine if people, or driving or working hydraulics), lower the loader lift vehicles and obstacles are in the immediate...
Page 93: Each Time Before Starting Work
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Each time before starting work • Examine the loader for visible defects prior to each work shift. •...
Page 94: Operating Lever For Loader Lift Arms
O P E R AT I N G A N D O P E R AT I O N 5.4.1 Operating lever for Loader lift arms • Keep the loader lift arms and attachment as low The loader lift arms float position is located on the »Lower«...
Page 95: Float Position
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Float position ( • Press the multi-function lever Item A (Fig. 39) forward Fig. 39 across the resistance until it engages: Operating lever for The float position engages.
Page 96: Loader Lift Arms Locking System
O P E R AT I N G A N D O P E R AT I O N 5.4.2 Loader lift arms locking system • Before traveling from worksite to worksite over Fig. 40 extended distances, engage the loader lift arm Switch for the lock- lock after selecting the height for the travel arms ing mechanism of...
Page 97: Activating The Optional Hydraulics
O P E R AT I N G A N D O P E R AT I O N W L 5 0 5.4.3 Activating the optional hydraulics Activating the optional hydraulics using the Fig. 41 control lever Operating lever for the optional Place the optional hydraulic control in neutral when hydraulics...
Page 98 O P E R AT I N G A N D O P E R AT I O N If the valve lever is set at »Hydraulic locking mechanism«, Fig. 42 you can actuate the hydraulic locking mechanism via the Three-way valve control lever for the optional hydraulics Item Z (Fig.
Page 99: Detent Mechanism For The Optional Hydraulics
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Detent mechanism for the optional hydraulics NOTICE Overheated hydraulic oil can damage the machine. Make sure that the control lever for the optional hydraulics is always in »zero position«...
Page 100: Activating The Optional Hydraulics Using The Button
O P E R AT I N G A N D O P E R AT I O N Activating the optional hydraulics using the button If the detent mechanism of the optional control lever If the lever of the valve is set to »Hydraulic locking mecha- is engaged, it is not possible to activate the optional nism«, you can activate the hydraulic locking mechanism hydraulics with the button.
Page 101: Depressurized Return Line
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Depressurized return line For some attachments, a depressurized return line is re- Fig. 44 quired. The connection for the depressurized return line Button for optional is located on the front left of the load arm (Fig.
Page 102: Differential Lock
O P E R AT I N G A N D O P E R AT I O N 5.4.4 Differential lock Avoid damage to the transmission! Activate the differential lock using the button, item 1, on Only switch on the differential lock if the wheels the multi-function lever (Fig.
Page 103 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Fig. 46 Switch for differen- tial lock...
Page 104: Changing Attachments
• Replace the hoses on the loader with original Contact your Wacker Neuson dealer before using any at- equipment hose assemblies supplied by your tachment not in the approved list. The dealer and Wacker Wacker Neuson dealer. These assemblies meet...
Page 105 O P E R AT I N G A N D O P E R AT I O N W L 5 0 NOTICE • When loading, adjust your driving speed to the Unapproved attachments could overload the loader. material being loaded and traction conditions. This can result in damage to the loader.
Page 106: Coupling Of Attachments
O P E R AT I N G A N D O P E R AT I O N Coupling of attachments WARNING NOTICE Personal injury hazard. Avoid dirt. Make sure that the hydraulic connec- Falling attachments can strike people. tions are clean.
Page 107: Hydraulic Connection
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Hydraulic connection Hydraulic locking mecha- nism Fig. 47 Switching the three- way valve NICHT UNTER LAST schalten Do not operate under load Ne pas changer de vitesse sous charge Quitar la presión antes de cambiar...
Page 108 O P E R AT I N G A N D O P E R AT I O N Drive the loader up to the attachment (Fig. 48). For hydraulically activated attachments: Bring the locating pins Item 1 under the mounting hook Item 2.
Page 109: Uncoupling Attachments
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Uncoupling attachments • Lower the attachment until it is firmly resting on Fig. 48 Coupling the a hard surface. hydraulic locking •...
Page 110 O P E R AT I N G A N D O P E R AT I O N WARNING Lower the attachment. Personal injury hazard. Press the »Relieve pressure« button (Fig. 48) to depres- Falling attachments can strike people. surize the lines for the attachment hydraulics.
Page 111: Bucket
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Function 5.4.6 Bucket NOTICE The light cargo bucket / earth bucket attachments are in- Avoid overloading. Observe the maximum permis- tended for loosening, picking up, transporting and dumping sible payload.
Page 112: Fig. 49 Control Lever Movements
O P E R AT I N G A N D O P E R AT I O N Operation Before performing work for the first time, practice The float position facilitates stripping during resurfacing handling the bucket. work. To do so, lower the bucket with the tip to the ground. Then engage the control lever in position 2a.
Page 113: Fig. 50 Level Indicator
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Level indicator With the attachment in a horizontal position, mark Fig. 50 the place on the tipping cylinder on which the level Level indicator indicator is located with a colored line.
Page 114: Fig. 51 Loading Work 1
O P E R AT I N G A N D O P E R AT I O N Working with the bucket Loading work WARNING Fig. 51 Tipping hazards. Improper use of the loader lift Loading work 1 arms and bucket may cause the loader to tip, pos- sibly causing injury or equipment damage.
Page 115: Fig. 52 Loading Work 2
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Now raise the loader lift arms slightly so that the weight is Fig. 52 on the loader‘s front axle. This is to avoid excess wheel slip. Loading work 2 You can also manually restrict wheel slip by inching.
Page 116: Fig. 54 Excavation Work 4
O P E R AT I N G A N D O P E R AT I O N Excavation work Soft material: Fig. 54 Excavation work 4 Lower the bucket to the ground to lift out soft material and tilt the bucket forward until you have a digging angle.
Page 117: Tip-Overs
O P E R AT I N G A N D O P E R AT I O N W L 5 0 5.4.7 Tip-overs If the machine tips over, or in the event of an ex- treme slope condition, take the following steps to avoid engine damage: •...
Page 118: Precaution Measures For Various Temperature Conditions
O P E R AT I N G A N D O P E R AT I O N 5.4.8 Precaution measures for various temperature conditions At high outside temperatures At low outside temperatures Take the following precautions at high temperatures to pre- •...
Page 119 O P E R AT I N G A N D O P E R AT I O N W L 5 0 Hydraulic and lubricating fluids are more viscous Take the following precautions at low temperatures to pre- when cold. When ambient temperatures are at or vent the loader from being damaged and to make the loader near the freezing point of 0°C (32°F), permit the easier to start:...
Page 120: Optional Equipment
O P E R AT I N G A N D O P E R AT I O N Optional equipment Loader lift arm damping Engaging the feature reduces the effect of uneven ground on the attitude of the machine when traveling at higher Activate the loader lift arm damper control to im- speeds.
Page 121: Fig. 56 Switch For Loader Lift Arm Damping
O P E R AT I N G A N D O P E R AT I O N W L 5 0 Loader lift arm damper activation Fig. 56 Switch for loader lift • Move the rocker switch Item 2 into position 2: arm damping The indicator light in the switch is illuminated Damping is engaged.
Page 122: Fig. 57 Electrical Connector On The Loader Lift Arms
O P E R AT I N G A N D O P E R AT I O N Electrical connector on the loader lift arms Activate the electrical connector on the lift arms (Fig 57) by Fig. 58 depressing the switch 2 designated in Fig 58. Switch for the elec- trical connector on The electrical connector on the loader lift arm is used to...
Page 123 O P E R AT I N G A N D O P E R AT I O N W L 5 0...
Page 124: Towing And Transporting
T O W I N G A N D T R A N S P O R T I N G TOWING AND TRANSPORTING Towing WARNING Personal injury or equipment damage hazards from improper towing. ► Do not attempt to tow the machine if the steering system or brake system is not serviceable. Loss of control during towing can occur.
Page 125: Fig. 59 Towing Equipment
T O W I N G A N D T R A N S P O R T I N G W L 5 0 Towing equipment NOTICE Do not use the towing equipment to pull trailer Towing the wheel loader can damage the hydro- loads.
Page 126: Fig. 60 Disconnecting The Drive
T O W I N G A N D T R A N S P O R T I N G Disconnecting the drive (Bypass- switching) WARNING Fig. 60 Possibility of personal injury or equipment dam- Disconnecting the age. An unsecured operator station can move or drive tip unexpectedly during a towing operation.
Page 127 T O W I N G A N D T R A N S P O R T I N G W L 5 0 To tow the loader, it is necessary that you disconnect the After towing: drive. In this case the travel transmission is switched on to free wheeling.
Page 128: Transporting
T O W I N G A N D T R A N S P O R T I N G Transporting Articulation frame lock Load and transport the loader only according to Personal injury hazard. Install the articulation frame DOT safety regulations.
Page 129: Fig. 61 Articulation Frame Lock
T O W I N G A N D T R A N S P O R T I N G W L 5 0 Fig. 61 Articulation frame lock Articulation frame lock storage posi- tion Articulation frame lock installed...
Page 130 T O W I N G A N D T R A N S P O R T I N G Loading on a transport vehicle Loading with crane Clean the wheel loader to reduce the hazard of WARNING dirt and debris falling from the machine during Possibility of equipment damage or personal injury transport.
Page 131: Fig. 62 Attachment Point Label
T O W I N G A N D T R A N S P O R T I N G W L 5 0 Use the attachment points (Fig. 63) that are marked with Fig. 63 labels (Fig. 62) indicating the lifting points. Rotate the eyelets Attachment points on the rear attachment points by loosening the mounting screws.
Page 132 T O W I N G A N D T R A N S P O R T I N G Independent driving onto the transport device Loader Tie-Down Clean the wheel loader to reduce the hazard of NOTICE dirt and debris falling from the machine during Failure to securely bind the loader to the transport transport.
Page 133: Fig. 64 Tie Down Point Label
T O W I N G A N D T R A N S P O R T I N G W L 5 0 Use the attachment points (Fig. 65) marked with labels (Fig. Fig. 65 64) to tie down the loader. Tie down points front Fig.
Page 134: Fig. 66 Tying Down The Loader
T O W I N G A N D T R A N S P O R T I N G Fig. 66 Tying down the loader...
Page 135: Lowering Loader Arms
L O W E R I N G L O A D E R A R M S W L 5 0 LOWERING LOADER ARMS Emergency lowering for loaders with electri- WARNING cally unlockable lowering brake valves if the Personal injury or equipment damage hazards. engine fails: In the event the engine stops and can not be restarted with the loader lift arms elevated:...
Page 136: Relieving Residual Pressure In The Hydraulic System
RELIEVING RESIDUAL PRESSURE IN THE HYDR AULIC SYSTEM RELIEVING RESIDUAL PRESSURE IN THE HYDRAULIC SYSTEM WARNING Since the loader lift arms and the attachment can Personal injury hazard. only be actuated within a limited time of the engine A fine jet of hydraulic fluid under high pressure failing, you must lower the loader lift arms as far as can pierce the skin.
Page 137: Fig. 68 Reducing Residual Pressure
RELIEVING RESIDUAL PRESSURE IN THE HYDR AULIC SYSTEM W L 5 0 Opening the load holding control valves WARNING Fig. 68 Reducing residual Personal injury hazard. pressure A fine jet of hydraulic fluid under high pressure can pierce the skin. ►...
Page 138: Fig. 69 Load Holding Control Valve
RELIEVING RESIDUAL PRESSURE IN THE HYDR AULIC SYSTEM For loaders with load holding control valves on the lifting Fig. 69 Load holding control and attachment cylinder, open the valves (Fig. 69). valve Unscrew the nuts Item 1 Unscrew the screw Item 2 until the loader lift arms slowly lowers.
Page 139: Securing The Loader
S E C U R I N G T H E L O A D E R W L 5 0 SECURING THE LOADER The following instructions apply to stopping and • Place the loader on an even, dry surface that can sup- parking the loader after daily operation, transport- port sufficient weight.
Page 140: Servicing And Inspection
Observe the basic safety instructions and all the warning on the loader. The specialized knowledge required can signs attached to the loader. be obtained at training sessions from Wacker Neuson • The Operator’s Manual describes the work to be per- Service.
Page 141 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Securing the loader and attachment • Perform servicing and inspection work only if the loader is secured as described in the chapter »Securing the loader«.
Page 142 S E R V I C I N G A N D I N S P E C T I O N Tools Handling combustible fluids • Use diagnostic and repair tools that are in serviceable Fire Hazard. condition and have been calibrated regularly to ensure •...
Page 143 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Residual pressure in the hydraulic system Personal injury hazard. • Pressurized jets of fluid can penetrate human skin. •...
Page 144 Immediately soak up with binding material any replace them immediately with new ones available from oil or fuel that has leaked, and dispose of it your Wacker Neuson dealer even if only moisture pen- separately from other waste in an ecologically etration is visible.
Page 145 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Batteries Personal injury hazard. Battery acid is corrosive to Explosion hazard. metallic surfaces and harmful to human skin. A rapidly discharged battery vents explosive gas- •...
Page 146: Electrical System
S E R V I C I N G A N D I N S P E C T I O N Engine exhaust fumes Electrical system • Diesel engine exhaust fumes are harmful. Do • Always observe the correct order when disconnecting not inhale exhaust gas.
Page 147 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 After maintenance • After completing maintenance and inspection work, al- ways reattach all the safety devices. •...
Page 148: Servicing And Inspection Intervals
S E R V I C I N G A N D I N S P E C T I O N 10.2 Servicing and inspection intervals Daily servicing Perform the following tasks: • Clean the machine • Check the seat belt •...
Page 149: Weekly Servicing
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Weekly servicing Perform the following tasks: • Clean fuel filter for the presettling reservoir (if present) •...
Page 150: First Inspection After 50 Operating Hours
50 operating hours, but at the latest 3 months after Follow the Operator’s Manual for the engine. initial start-up, by a Wacker Neuson dealer or a mechanic at a Wacker Neuson factory agent. Tasks to be performed (check)
Page 151 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Tasks to be performed (check) 50 hours inspection Check the electrical system Check the foot brake and parking brake, adjust if necessary Check the hydraulic steering Check the lighting system (if present) Check the idle speed...
Page 152: Inspection After 500 Operating Hours
S E R V I C I N G A N D I N S P E C T I O N Inspection after 500 operating hours This inspection is performed once after the first Maintenance and inspection personnel must have specialized knowledge of servicing and inspection 500 operating hours.
Page 153 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Tasks to be performed (check) 500 hours inspection Check the acid level of the battery Check: Instruments, indicators + audible warning devices Check the electrical system Check the foot brake and parking brake, adjust if necessary...
Page 154 S E R V I C I N G A N D I N S P E C T I O N Tasks to be performed (check) 500 hours inspection Set the valve clearance Change the hydraulic fluid Change the hydro return filter Change the hydro pressure filter Change the oil in the transfer case Change the oil in the axles...
Page 155: Inspection Intervals
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Inspection intervals Maintenance and inspection personnel must have specialized knowledge of servicing and inspection work on the loader.
Page 156 S E R V I C I N G A N D I N S P E C T I O N Operating hours: Operating 250, 750, 1000, hours: 1500, Work to be performed monthly annually 1250, 1750, 2500, 3500, 2000, 2250, 4500, etc.
Page 157 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Operating hours: Operating 250, 750, 1000, hours: 1500, Work to be performed monthly annually 1250, 1750, 2500, 3500, 2000, 2250,...
Page 158 S E R V I C I N G A N D I N S P E C T I O N Operating hours: Operating 250, 750, 1000, hours: 1500, Work to be performed monthly annually 1250, 1750, 2500, 3500, 2000, 2250, 4500, etc.
Page 159 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Operating hours: Operating 250, 750, 1000, hours: 1500, Work to be performed monthly annually 1250, 1750, 2500, 3500, 2000, 2250,...
Page 160: Lubrication Schedule
S E R V I C I N G A N D I N S P E C T I O N 10.3 Lubrication schedule Fig. 70 Points of lubrication...
Page 161 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Item Point of lubrication Nipples Item Point of lubrication Nipples Engine enclosure hinges Bearing for reversing lever Cab tilting hinge, rear Tie rod, front Door hinges...
Page 162: Cleaning The Loader
S E R V I C I N G A N D I N S P E C T I O N 10.4 Cleaning the loader WARNING NOTICE Burn hazard. • When cleaning the loader, pay particular atten- High pressure water at the maximum recommended tion to its underside.
Page 163 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 When the loader is new (in the first three months), eNVIRONmeNTAl NOTe only clean it with a sponge. Avoid environmental damage.
Page 164: General Safety Check
S E R V I C I N G A N D I N S P E C T I O N 10.5 General safety check Immediately rectify any damage detected during Check: the safety check. Damaged parts must be imme- diately repaired or replaced.
Page 165: Specifications And Filling Quantities
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 10.6 Specifications and filling quantities When filling oil, the oil level must correspond to the dip stick or control screw markings.
Page 166: Maintenance And Inspection Work
S E R V I C I N G A N D I N S P E C T I O N 10.7 Maintenance and inspection work 10.7.1 Preparation for maintenance and inspection work Perform maintenance and inspection work only if Opening the engine enclosure the loader is secured as described in Section 9, page 137 »Securing the loader«.
Page 167: Fig. 71 Opening The Engine Enclosure
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 If the engine stops and can not be restarted from the opera- Fig. 71 tor position, check to determine if there is fuel in the fuel Opening the engine reservoir.
Page 168: Tilting The Operator's Platform
S E R V I C I N G A N D I N S P E C T I O N Tilting the operator’s platform WARNING Remove any loose objects from the operator’s plat- Improperly tilting the cab can cause personal injury form.
Page 169: Fig. 72 Position Of The Cab Mounting Bolts
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Fig. 72 Fig. 73 Position of the cab Tilting the cab mounting bolts...
Page 170: Fig. 74 Cab Safety Support
S E R V I C I N G A N D I N S P E C T I O N Lowering the operator’s platform: Fig. 74 Cab safety support Move the switch lever for the pump Item 3 (Fig. 73) to the left (arrow pointing downwards).
Page 171: Servicing The Engine
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Checking the engine oil level 10.7.2 Servicing the engine WARNING The engine lubricating oil dipstick is located on Shearing, pinching, and crushing hazards exist the left side of the engine facing the direction of when the engine is running.
Page 172: Fig. 75 Checking The Engine Oil / Filling The Oil
S E R V I C I N G A N D I N S P E C T I O N Stop the loader on a horizontal surface and set the park- Fig. 75 ing brake. Checking the Lower the loader lift arms and attachment to the ground engine oil / filling or working surface.
Page 173 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Adding engine oil Changing the engine oil Use the correct oil grade (see Section 10.6, page WARNING 163 »Specifications and filling quantities«).
Page 174: Fig. 76 Engine Oil Drain Opening
S E R V I C I N G A N D I N S P E C T I O N Bring the engine to operating temperature and allow to Fig. 76 cool until the drain plug is comfortable to touch. Engine oil drain Stop the loader on a horizontal surface and set the park- opening...
Page 175: Changing The Engine Oil Filter
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Changing the engine oil filter Once the engine oil has been drained: WARNING Burn hazard. Change the engine oil filter (see the section »Changing The operating oil temperature in the diesel engine the engine oil filter«).
Page 176: Fig. 77 Location Of The Engine Oil Filter
S E R V I C I N G A N D I N S P E C T I O N The engine oil filter is located on the left side of the engine Fig. 77 (Fig. 77). Location of the engine oil filter Put a receptacle for draining oil under the engine oil filter.
Page 177: Servicing The Fuel System
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 10.7.3 Servicing the fuel system WARNING Service the fuel system according to the inspection Personal injury hazard.
Page 178: Fig. 78 Position Of The Fuel Filters
S E R V I C I N G A N D I N S P E C T I O N Fuel system Servicing the water separator The fuel filtration system consists of a pre-filter (2) and a Place a receptacle under the water separator Item 1 main filter (3).
Page 179: Fig. 80 Main Fuel Filter
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Changing the fuel pre-filter Changing the main fuel filter The fuel pre-filter Item 2 (Fig. 78) can only be re- Place a receptacle under the main fuel filter Item 3 (Fig.
Page 180: Fig. 81 Fuel Hand-Feed Pump
S E R V I C I N G A N D I N S P E C T I O N Venting the fuel system Fill the fuel reservoir. Open the engine enclosure. Pump with the hand-feed pump (Fig. 81) until you feel resistance.
Page 181: Servicing The Air Filter System
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 10.7.4 Servicing the air filter system The loader is equipped with a dry air filter for filtering the Service the air filter according to the inspection engine intake air.
Page 182: Fig. 82 Location Of The Air Filter
S E R V I C I N G A N D I N S P E C T I O N Air filter dust valve Check main air filter element / clean / replace Check if the outlet slot on the dust valve Item 1 (Fig. 82) is Clean or replace the main filter element Item 1 clear.
Page 183: Checking / Changing The Safety Filter
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Checking / changing the safety filter Remove the fasteners on the cover Item 2 (Fig. 82) and Replace the safety filter if necessary, and at least take off the cover.
Page 184: Servicing The Cooling System
S E R V I C I N G A N D I N S P E C T I O N 10.7.5 Servicing the cooling system The radiator is installed behind the diesel engine (Fig. 86). Service the cooling system according to the inspec- One part cools the hydraulic fluid, while the other part cools tion intervals specified in this Operator’s Manual.
Page 185: Fig. 84 Engine Temperature Sensor
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 The temperature indicator light Item 6 (Fig. 13, page 48) is Fig. 84 connected to two temperature sensors. One is located on Engine temperature the engine (Fig.
Page 186: Checking The Coolant Level / Refilling The Coolant
S E R V I C I N G A N D I N S P E C T I O N Checking the coolant level / refilling the coolant WARNING The coolant must consist of equal parts of water Burn hazard.
Page 187: Fig. 86 Radiator Opening
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Checking the antifreeze mix Check the coolant level at regular intervals. If you look into Antifreeze prevents the coolant from freezing at tempera- the radiator opening (Fig.
Page 188: Changing The Coolant
S E R V I C I N G A N D I N S P E C T I O N Changing the coolant NOTICE After the coolant has drained completely, flush the system Replace the coolant after two years of use. with clear water and making certain to capture the drained The coolant must consist of equal parts of water and liquid in a container.
Page 189: Fig. 88 Cleaning The Cooling System
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Cleaning the cooling system The greater the amount of dust in the air, the Clean the dirty radiator with compressed air (Fig.
Page 190: Servicing The Hydraulic System
S E R V I C I N G A N D I N S P E C T I O N 10.7.6 Servicing the hydraulic system WARNING Open hydraulic systems only if they have been relieved of Crushing/shearing hazard. pressure.
Page 191: Fig. 89 Hydraulic Fluid Cooler
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Hydraulic fluid cooler The oil radiator is installed behind the diesel engine (Fig. Fig. 89 89).
Page 192: Ventilation Filter / Hydraulic Fluid Filler Neck
S E R V I C I N G A N D I N S P E C T I O N Ventilation filter / hydraulic fluid filler neck Checking the hydraulic fluid level Replace the ventilation filter after 1000 operating The hydraulic oil reservoir is located on the left side of the hours.
Page 193: Fig. 90 Ventilation Filter
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Stop the loader on a horizontal surface and set the park- Fig. 90 ing brake. Ventilation filter Lower the loader lift arms and attachment to the ground or work surface.
Page 194 S E R V I C I N G A N D I N S P E C T I O N Adding hydraulic fluid Changing the hydraulic fluid Use the correct oil grade (reference Section 10.6, WARNING page 163 »Specifications and filling quantities«). Burn hazard.
Page 195: Fig. 92 Hydraulic Fluid Drain Plugs
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Once the hydraulic fluid has been drained: Fig. 92 Hydraulic fluid drain plugs Remove the filter insert Item b (Fig. 94). Clean the reservoir bottom and reservoir interior with hydraulic or detergent oil through the opening.
Page 196: Changing The Return Filter Element
S E R V I C I N G A N D I N S P E C T I O N Changing the return filter element The hydraulic system is equipped with a return filter Item 2 eNVIRONmeNTAl NOTe (Fig.
Page 197: Fig. 93 Return Filter
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Stop the loader on a horizontal surface and set the park- Fig. 93 ing brake. Return filter Lower the loader lift arms and attachment to the ground or work surface.
Page 198 S E R V I C I N G A N D I N S P E C T I O N Venting the hydraulic system WARNING Check the fluid level in the hydraulic fluid reservoir. If Possibility of injury or equipment damage. necessary, add hydraulic fluid until the fluid level is at Trapped air in the hydraulic system will cause erratic the »Maximum«...
Page 199: Servicing The Axles
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Checking the axle oil level 10.7.7 Servicing the axles Service the transmission and the axles according The complete axle (transfer case, differential, axle to the inspection intervals specified in this Opera- tube, wheel drives) shares a common oil supply.
Page 200: Fig. 96 Transfer Case
S E R V I C I N G A N D I N S P E C T I O N Stop the loader on a horizontal surface and set the park- Fig. 96 Transfer case ing brake. Lower the loader lift arms and attachment to the ground or work surface.
Page 201: Changing The Axle Oil
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Changing the axle oil WARNING eNVIRONmeNTAl NOTe Burn hazard. Avoid environmental damage. The transmission oil operating temperature can Do not allow oil and waste containing oil to enter cause serious burns if contact is made with skin.
Page 202 S E R V I C I N G A N D I N S P E C T I O N Stop the loader on a horizontal surface and set the park- Once the transmission oil has been drained: ing brake.
Page 203: Servicing The Brakes
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 10.7.8 Servicing the brakes The hydrostatic drive is used as an operating brake and WARNING operates equally without wear resistance on all four wheels.
Page 204 Using the wrong brake fluid damages the brake system. Only use brake fluid approved by Wacker Neuson for the braking system (see section 10.6, page 163 »Specifications and fill quantities«). If you are frequently adding brake fluid between inspections, then there is a system leak.
Page 205: Fig. 98 Brake Fluid Container
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 The brake fluid reservoir is on the left at the back, under- Fig. 98 neath the engine enclosure (Fig.
Page 206: Servicing The Tires And Wheels
S E R V I C I N G A N D I N S P E C T I O N Inflating the tires 10.7.9 Servicing the tires and wheels WARNING WARNING Injury or explosion hazards. Explosion hazard. ► Do not attempt to remove or install tires on the Overinflating tires can cause them to explode.
Page 207: Air Pressure Table For Tires
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Air pressure table for tires Tires Air pressure Stop the loader on a horizontal surface and set the park- ing brake.
Page 208: Changing Wheels
S E R V I C I N G A N D I N S P E C T I O N Changing wheels WARNING Observe the direction of the tread of the tires so Injury hazard. that the greatest force of the loader is achieved An improperly secured machine can move or fall during forward travel.
Page 209 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Stop the loader on a horizontal surface with a hard foun- dation and set the parking brake. Lower the Loader lift arms and attachment to the ground or work surface.
Page 210: Servicing The Cab Vent Filter
S E R V I C I N G A N D I N S P E C T I O N 10.7.10 Servicing the cab vent filter Change the cab air filter annually, or more frequent- Fig. 99 ly under dusty conditions. Cab vent filter The loader is equipped with a dry air filter for filtering the engine intake air for cab ventilation.
Page 211: Servicing The Air Conditioning System
Service and repair work require particular special- ised skills and may only be performed in an autho- rized Wacker Neuson service center. Do not do any welding work on components of the coolant circuit or in their immediate vicinity.
Page 212: Servicing The Electrical System
S E R V I C I N G A N D I N S P E C T I O N Fuse allocation 10.7.12 Servicing the electrical system WARNING The electrical circuits of the wheel loader are fused to pre- Electric shock hazard.
Page 213: Fig. 100 Master Fuses
50 ampere fuses that protect the preheating sys- Box 1 tem. If one of these fuses is burnt through, there is major damage to the electrical system. Contact your local Wacker Neuson service center.. Fig. 100 Master fuses Box 3...
Page 214: Fig. 102 Fuse Allocation
S E R V I C I N G A N D I N S P E C T I O N Fig. 102 Fuse allocation Item Fused function for Box 1 Rating (A) Box 1 Box 2 Box 3 Available Turn signal Warning flasher...
Page 215 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Item Fused function for Box 2 Rating (A) Item Fused function for Box 3 Rating (A) Engine Pressure relief, Loader lift arms locking system...
Page 216 S E R V I C I N G A N D I N S P E C T I O N Battery WARNING WARNING Explosion and burn hazard. Battery fluid is poisonous and corrosive. Batteries produce and vent gases that can be ex- ►...
Page 217: Fig. 103 Location Of The Battery
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Servicing the battery • Maintain a clean battery cable connection at both the Fig. 103 Location of the positive and negative posts.
Page 218: Checking The Battery Acid Level
S E R V I C I N G A N D I N S P E C T I O N Checking the battery acid level Stop the loader on a horizontal surface and set the park- WARNING ing brake. Personal injury hazards.
Page 219 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Disconnecting and connecting the battery / changing the battery WARNING Open the engine enclosure (Ref.
Page 220: Jump-Starting / Emergency Starting
S E R V I C I N G A N D I N S P E C T I O N 10.8 Jump-starting / emergency starting WARNING Explosion and burn hazard. Batteries produce and vent gases that can be explosive if concentrated in an unventilated space. ►...
Page 221: Fig. 104 Connecting The Jumper Cables
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Before jump-starting, check if the loader‘s dead battery is Fig. 104 functional: Connecting the jumper cables Switch off all the loader‘s electrical controls.
Page 222 S E R V I C I N G A N D I N S P E C T I O N Getting ready Starting the engines Switch off all the loader‘s electrical controls. Start the engine of the vehicle with the good battery and Switch the starting key to position 0.
Page 223: Loader Storage
S E R V I C I N G A N D I N S P E C T I O N W L 5 0 10.9 Loader storage The specified measures refer to shutting down and re-start- Shutting down the loader ing the loader over longer periods of time.
Page 224 S E R V I C I N G A N D I N S P E C T I O N Preserving the engine Storing the battery: Clean the engine in a suitable place using a high-pres- Remove the battery. sure cleaner.
Page 225 S E R V I C I N G A N D I N S P E C T I O N W L 5 0 Restarting the loader Remove preservatives from the engine Remove the engine preservative. Remove the closures from the intake and exhaust open- Install the battery.
Page 226: Troubleshooting And Emergency Maintenance
T R O U B L E S H O O T I N G A N D E M E R G E N C Y M A I N T E N A N C E TROUBLESHOOTING AND EMERGENCY MAINTENANCE Fault / malfunction Possible cause Remedy...
Page 227 T R O U B L E S H O O T I N G A N D E M E R G E N CY M A I N T E N A N C E W L 5 0 Fault / malfunction Possible cause Remedy...
Page 228 T R O U B L E S H O O T I N G A N D E M E R G E N C Y M A I N T E N A N C E...
Page 229 T R O U B L E S H O O T I N G A N D E M E R G E N CY M A I N T E N A N C E W L 5 0...
Page 230: Safety Instructions For Repairs
Perform repairs only if you have read and understood • Repair personnel must have specialized knowledge and the Operator’s Manual. experience in repairing this or comparable loaders. • Should knowledge be lacking, training by experienced repair, e.g. Wacker Neuson Service, should be per- formed.
Page 231 S A F E T Y I N S T R U C T I O N S F O R R E PA I R S W L 5 0 Articulated frame lock Removing components: • Always install the articulating joint lock when performing WARNING repair work in the articulation crush zone.
Page 232 Make sure that no one sage label, replace the label with the replacement part. is in the loader‘s danger area. Your Wacker Neuson dealer can help you to get replace- • Do not approve the loader for operation until all the ment labels for your machine loader‘s areas function properly.
Page 233: Engine
S A F E T Y I N S T R U C T I O N S F O R R E PA I R S W L 5 0 12.2 Engine 12.3 Welding work • Perform repair work only if the loader is secured as de- WARNING scribed in Section 9, page 137 »Securing the loader«.
Page 234 S A F E T Y I N S T R U C T I O N S F O R R E PA I R S Before performing welding work on the loader After welding has been completed: • Disconnect the battery as described in this Operator’s •...
Page 235: Hydraulic System
S A F E T Y I N S T R U C T I O N S F O R R E PA I R S W L 5 0 12.4 Hydraulic system 12.5 Brakes • Before performing repair work, relieve the pressure in •...
Page 236: Final Shutdown Of The Loader / Decommissioning
F i n a l s h u t d o w n o F t h e l oa d e r / d e c o m m i s s i o n i n g FINAL SHUTDOWN OF THE LOADER / DECOMMISSIONING eNVIRONmeNTAl NOTe Before disposing of the loader: Avoid environmental damage.
Page 237 F I N A L S H U T D O W N O F T H E L O A D E R / D E C O M M I S S I O N I N G W L 5 0 Disposing of the loader: •...
Page 238: Appendix
A P P E N D I x APPENDIx 14.1 Ordering replacement parts Use only »original Wacker Neuson replacement Always provide the following data for ordering re- parts« for your loader. placement parts. This is the only way we can assure...
Page 239 A P P E N D I x W L 5 0 Importer (name; address): Enter the most important data for your loader on this page. In this way, you can quickly access the vehicle ID no. and other important data when order- ing replacement parts.
Page 240: Inspection Verification
A P P E N D I x 14.2 Inspection verification 2nd Inspection Enter the inspections as they are performed. Performed on: Operating hours: 1st Inspection Stamp / signature of the garage Performed on: Operating hours: 3rd Inspection Performed on: Stamp / signature of the garage Operating hours: Stamp / signature of the garage...
Page 241 A P P E N D I x W L 5 0 4th Inspection 6th Inspection Performed on: Performed on: Operating hours: Operating hours: Stamp / signature of the garage Stamp / signature of the garage 5th Inspection 7th Inspection Performed on: Performed on: Operating hours:...
Page 242 A P P E N D I x 8th Inspection 10th Inspection Performed on: Performed on: Operating hours: Operating hours: Stamp / signature of the garage Stamp / signature of the garage 9th Inspection 11th Inspection Performed on: Performed on: Operating hours: Operating hours: Stamp / signature of the garage...
Page 243 A P P E N D I x W L 5 0 For personal notes...
Page 244: Index
I N D E x Index Activating the optional hydraulics ......................... 95 Activating the optional hydraulics using the button ....................98 Activating the optional hydraulics using the control lever ..................95 Adding engine oil ..............................171 Adding hydraulic fluid ............................192 Adjusting the operator’s seat ..........................
Page 245 I N D E x W L 5 0 Changing wheels ..............................206 Checking / changing the safety filter ........................181 Checking the antifreeze mix ..........................185 Checking the axle oil level ..........................197 Checking the battery acid level .......................... 216 Checking the brake fluid level / adding brake fluid .....................
Page 246 I N D E x Fuse allocation ..............................210 Headlights and rotating beacon ........................... 76 Hydraulic fluid cooler ............................189 If the engine does not start ..........................83 Independent driving onto the transport device ....................130 Inflating the tires ..............................204 Inspection after 500 operating hours .........................
Page 247 I N D E x W L 5 0 Servicing the battery ............................215 Servicing the brakes ............................201 Servicing the electrical system........................... 210 Servicing the engine ............................169 Servicing the fuel system ........................... 175 Servicing the hydraulic system ........................... 188 Servicing the tires and wheels ...........................
Page 248: List Of Figures
L I S T O F F I G U R E S List of figures Fig. 1 Document pocket ..........................11 Fig. 2 Transport of large bales or packaged goods ..................23 Fig. 3 Location of the Safety labels ......................... 29 Fig.
Page 249 L I S T O F F I G U R E S W L 5 0 Fig. 25 Door put-up hinges ..........................65 Fig. 26 Adjusting the operator’s seat ........................ 66 Fig. 27 Adjusting the steering column ....................... 68 Fig.
Page 250 L I S T O F F I G U R E S Fig. 49 Control lever movements ........................110 Fig. 50 Level indicator ............................111 Fig. 51 Loading work 1 .............................112 Fig. 52 Loading work 2 .............................113 Fig. 53 Loading work 3 .............................113 Fig.
Page 251 L I S T O F F I G U R E S W L 5 0 Fig. 73 Tilting the cab ............................167 Fig. 74 Cab safety support ..........................168 Fig. 75 Checking the engine oil / filling the oil ....................170 Fig.
Page 252 L I S T O F F I G U R E S Fig. 97 Wheel reduction ..........................198 Fig. 98 Brake fluid container ........................... 203 Fig. 99 Cab vent filter ............................208 Fig. 100 Master fuses ............................211 Fig. 101 Fuse boxes ............................211 Fig.
Page 253 L I S T O F F I G U R E S W L 5 0...
Page 254 Wacker Construction Equipment AG Preußenstraße 41 80809 München Tel. +49 89 35402-0 Fax +49 89 35402-390 Wacker Neuson Corporation P.O. Box 9007 Menomonee Falls, WI 53052-9007 Tel. +1 262 255-0500 Fax +1 262 255-0550 Tel.: 800 770-0957 Wacker Machinery (HK) Ltd.

Wacker Neuson WL 50 Operator's Manual

Table of Contents

1 Basic Information

2 Basic Safety Instructions

3 Technical Data

4 Description of the Indicator, Warning and Control Elements

5 Operating and Operation

6 Towing and Transporting

7 Lowering Loader Arms

8 Relieving Residual Pressure in the Hydraulic System

9 Securing the Loader

10 Servicing and Inspection

11 Troubleshooting and Emergency Maintenance

12 Safety Instructions for Repairs

13 Final Shutdown of the Loader / Decommissioning

14 Appendix

List of Figures

Quick Links

Chapters

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Summary of Contents for Wacker Neuson WL 50