Epson C Series, Maintenance Manual

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C4 Maintenance 6. Joint #2
80 C Series Maintenance Manual Rev.2
Removal: Joint #2 Reduction gear unit
1. Remove the following covers.
For details, refer to C4 Maintenance: 3. Covers .
Arm #1 top cover
Arm #1 side cover
Arm #2 side cover
Arm #3 head cover
User plate
When removing the user plate, remove the following parts as well.
D-sub 9-pin connector
4 air tubes
2. Remove the Joint #2 timing belt.
For details, refer to C4 Maintenance: 6.3 Joint #2 –
Replacing the Motor , Removal steps (1) through (4).
Pulley 1
Timing belt
Pulley 2
3. Remove the cable unit.
For details, refer to C4 Maintenance: 4.1 Replacing the Cable Unit , removal steps (9) through (26).
4. Pull out the cables from the Arm #1.
5. Turn the Manipulator laterally with the motor pulley facing down
CAUTION
■
When turning the Manipulator laterally, there must be two or more people to work
on it so that at least one of them can support the arm while the other is removing
the bolts.
Removing the bolts without supporting the arm may result in the arm falling, bodily
injury, and/or malfunction of the robot system.