Epson C Series, Maintenance Manual, Page: 107 / 668

C4 Maintenance 6. Joint #2
C Series Maintenance Manual Rev.2 87
6.3 Joint #2 - Replacing the Timing Belt
Removal: Joint #2 Timing belt
1. Follow Removal steps (2) through (4) of C4 Maintenance: 6.1 Joint #2 – Replacing the Motor.
2.
Remove the Arm #1 side cover.
For details, refer to
C4 Maintenance: 3. Covers
.
3. Loosen the Joint #2 motor unit set screw.
Hexagon socket head cap bolts: 3-M4×18
(with a plain washer)
4.
Remove the Joint #2 timing belt.
Remove the timing belt from the pulley 1 first.
Then, remove the timing belt from the pulley 2.
This procedure is common in C4-A601** and C4-A901**.
Installation: Joint #2 Timing belt
1. Place the Joint #2 timing belt to the pulley 1 and the pulley 2 of the Joint #2.
Place the timing belt to the pulley 2 first. Then, place the timing belt to the pulley 1.
2. Secure the Joint #2 motor unit.
For details, refer to
C4 Maintenance: 6.1 Joint #2 – Replacing the Motor , Installation steps (6), (8), and (9).
Name Quantity Note
Maintenance
Parts
Timing belt
Joint #2 of C4-A601** 1 1520354
Joint #2 of C4-A901** 1 1593696
Tools
Hexagonal wrench
(width across flats: 3 mm)
1 For M4 hexagon socket head cap bolt
Cross-point screwdriver 1 For covers
Torque wrench 1
Cloth 1 For pressing arms
Force gauge 1 For belt tension