Epson C Series, Maintenance Manual

Page: 600 / 668

C12 Maintenance 8. Joint #4
580 C Series Maintenance Manual Rev.2
When using the belt tension tensile jig (maintenance part):
Fix the belt tension tensile jig (for J4) to the Joint #4 motor plate.
Hexagon socket head cap bolt: 2-M4×15
Push the belt tension tensile jig (for J4, J5, and J6) against the Arm
#3 as shown in the photo. Insert the screw to the through hole at
the center and fix it lightly to the hole for the belt tension tensile
jig.
Hexagon socket head cap bolt: M4×15
Tension is applied as the Joint #4 motor unit is stretched by
tightening the screw.
7. Install the plate for fixing the cables.
Hexagon socket head cap bolts: 2-M4×10
8. Install the brake power supply to the plate.
Install the brake power supply so that the cable is facing downward.
Cross recessed head screw with captive washer: 2-M3×6
Tightening torque: 0.45
± 0.1 N·m
9. Connect the following connectors.
Connectors: X141, X041, BT4, BR041
10. Install the following cover.
Arm #3 cover
Arm #3 maintenance cover
Arm #2 side cover
For details, refer to
C12 Maintenance: 3. Covers
.
11. Calibrate the Joint #4.
For details, refer to C12 Maintenance: 16. Calibration .