Part 2: Maintenance 2. Opening the Covers
89
2. Opening the Covers
The methods for removing the various covers that are related to the maintenance of each
part are explained here.
WARNING
Do not expose the manipulator to water or dust when you open the covers for
maintenance. Invasion of water or dust may cause electric shock or
malfunction.
* The covers for the Protected model are sealed with the main body of the manipulator to
prevent moisture and dust. The seals will be torn when you remove the covers. Be
sure to reseal the covers after you finish maintenance operations. For details on sealing
the covers, refer to 13.2 Sealing the Manipulator in 13. Protected Model.
2.1 Arm Top Cover
The arm top cover can be opened by pulling upward after four bolts (ES: M4
×
8, EL:
M4
×
12) are removed. It can not be removed completely, because user’s wiring and piping
are connected, but normal maintenance is possible.
Arm top cover
ES:M4
×
8
EL:M4
×
12
Be careful not to pinch cables when installing the cover. Do not bend these cables forcibly
or push them into the cover. This can cause disconnection. Observe the cable locations
during cover removal and wire the cables in their original locations during reassembly.
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