Epson C Series, Maintenance Manual, Page: 153 / 668

C4 Maintenance 9. Joint #5
C Series Maintenance Manual Rev.2 133
9.3 Joint #5 - Replacing the Timing Belt
Removal: Joint #5 Timing belt
1. Turn OFF the Controller power.
2. Remove the Arm #4 side cover.
For details, refer to C4 Maintenance: 3. Covers .
3. Loosen the Joint #5 motor unit set screws.
Hexagon socket head cap bolts: 2-M4×15
(with a plain washer)
4. Remove the Joint #5 timing belt.
Installation: Joint #5 Timing belt.
1. Place the Joint #5 timing belt to the pulley 1 and the pulley 2 of the Joint #5.
2. Secure the Joint #5 motor unit.
For details, refer to C4 Maintenance: 9.1 Joint #5 – Replacing the Motor , Installation steps (5), (6), (8),
and (9).
Name Quantity Note
Maintenance Parts Joint #5 timing belt (315 mm) 1 1599367
Tools
Hexagonal wrench
(width across flats: 2.5 mm)
1 For M4 hexagon socket head cap bolts
Cross-point screwdriver 1 For covers
Force gauge 1 For belt tension adjustment