C4 Maintenance 4. Cable Unit
C Series Maintenance Manual Rev.2 27
Disconnect the connectors of the Joint #3 motor and remove the Joint
#3 motor.
Connectors: X031, X131, BT3, BR031, D
Hexagon socket head cap bolts: 2-M4×15 (with a plain washer)
Arm #3, #4, #5 and #6 lean when the motor is removed. Remove the
motor after pushing the Arm to the stopper.
Connector D will be used again. Be careful not to lose it.
Cut off the wire tie of the Arm #2.
Remove two ground wires.
Hexagon socket head cap bolts: 2-M4×8
Remove the Arm #2 cable fixing plate.
Hexagon socket head cap bolts: 2-M4×8
It is not necessary to remove the fixing bolts completely.
Remaining the bolts on the Arm #2 makes it easy to mount the cable
unit.
Pull out the cables from the Arm #1.
Cut off the binding tie of the Arm #1.
Remove two ground wires.
Hexagon socket head cap bolts: 2-M4×8
Disconnect the connectors of the Joint #2 motor and remove the Joint #2 motor.
Connectors: X021, X121, BT2, BR021, D
Hexagon socket head cap bolts: 3-M4×15 (with a plain washer)
Arm #3, #4, #5, and #6 lean when the motor is removed.
Remove the motor after pushing the Arm to the stopper.
Connector D will be used again. Do not lose it.