Epson C Series - Joint #4 - Replacing the Motor; Removal: Joint #4 Motor

C4 Maintenance 8. Joint #4
104 C Series Maintenance Manual Rev.2
8.1 Joint #4 - Replacing the Motor
Removal: Joint #4 Motor
1. Turn OFF the Controller power.
Protect arms
using cloth, etc.
Tilt Arm #3
2. Remove the Arm #3 head cover and the Arm #3 bottom cover.
For details, refer toC4 Maintenance: 3. Covers.
3. Pull out the cables from the Arm #3 and disconnect the following
connectors.
Connector: X141, X041, BT4, BR041
(Hold the clip to remove.)
4. Remove the plate of the control board.
For details, refer to C4 Maintenance: 13.2 Joint #2 – Replacing the Motor
, Installation steps (3) through
(5).
5. Remove the Joint #4 motor unit from the Arm #3.
Hexagon socket head cap bolts: 2-M4×15 (with a small plain washer)
Name
Quantity
Note
Maintenance
Parts
AC servo motor 50 W 1
For the part code, refer to the 17. C4
Maintenance Part List.
Tools
Hexagonal
wrench
width across flats: 1.5 mm
1
For M3 hexagon socket set screws
width across flats: 3 mm
1
For M4 hexagon socket head cap bolts
Cross-point screwdriver
1
For covers
Force gauge
1
For belt tension adjustment