C8 Maintenance 7. Joint #3
C Series Maintenance Manual Rev.2 337
Removal: Joint #3 Reduction gear unit
1. Remove the Joint #3 timing belt.
For details, refer to C8 Maintenance 7.3 Joint #3 - Replacing the
Timing Belt, Removal steps (1) to (3).
2. Remove the Arm #2 side arm fixing bolts.
Hexagon socket head cap bolts: 6-M5×20 (with a plain washer)
3. Remove the Joint #3 pulley 2 from the Joint #3 shaft.
Hexagon socket set screws
C8, C8L: 2-M5×10
C8XL: 2-M5×12
There is a brass bushing on one of the set screws.
Be careful not to lose it.
4. Remove the Arm #3.
Hexagon socket head cap bolts: 16-M4×25 (with a plain washer)
Remove a wave washer on the Arm #1 side.
The wave washer will be used again. Be careful not to lose it.
Wipe grease on the parts while removing them.
CAUTION
■
bolts, the Arm #2 side arm, the Arm #3, #4, #5, and #6(end effector)
There is a possibility of hands and fingers being caught and/or
to the Manipulator.
Be very careful when removing the arm.
Have at least two workers so that one can support the
Manipulator while the other
worker is removing the bolt
s.
■
The Arms are connected by the internal cables. When replacing the parts, place
the removed arm while not applying load
on the cables. It may result in cable
To Next Page
Loading...
