2. Opening the Covers
2.2 Arm Bottom Cover
2.3 Joint #1 Cover
90
The arm bottom cover is fastened to the lower position of Arm #2 with three bolts (M4
Remove these bolts, then pull the arm bottom cover downward. The cover may be unable
to be removed when an end effector is installed. If there is no problem (e, g, inspection of
timing belt), lower Joint #3 to the position shown in the figure below, in advance. Then
loosen the bolts and remove the cover.
Arm bottom cover
* If the manipulator is a Protected model, the waterproof cover 2 must be removed before
removing Joint #1 cover. Refer to Sealing in chapter 13. Protected Model.
The Joint #1 cover can be removed when the cover mounting bolt (M4
×
M4
8
Joint #1 cover
Part 2: Maintenance
×
8) is removed.
×
M4
8
×
8).