Chapter 5 Adjustment; Overview; Adjustment Item; Adjustment Method - Epson Perfection 4490 photo Service Manual
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EPSON Perfection 4490 Photo
5.1 Overview
This section explains the adjustment required when this product is disassembled.
5.1.1 Adjustment item
The adjustment item necessary for this product is as indicated below.
Table 5-1. Adjustment Item
Adjustment Item
Adjustment of Motor Tension Belt
tension
Adjustment of the torsion springs on the
TPU CR Drive Belt
ADJUSTMENT
Condition
When the Motor Tension Belt is removed or
loosened
After removing and reinstalling the springs which
apply tension to the TPU CR Drive Belt.
5.1.2 Adjustment method
5.1.2.1 Motor Tension Belt tension adjustment
1.
Press the Pulley against the Motor Tension Belt, and temporarily fit the Tensioner.
2.
Install the Torsion Spring as shown in
tension.
Motor Tension Belt
Tensioner
Figure 5-1. Tension Adjustment
5.1.3 Adjustment of Torsion Springs on the TPU CR
Drive Belt
See Section 4.2.15 on page 49
Overview
Figure 5-1
to secure the Tensioner under
Pulley
Torsion Spring
for information on how to adjust the torsion springs.
Revision B
58
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