ABB IRB 1660 - Service Work on Gearboxes, Axes 3, 4, 5 and 6; Gearboxes, Replacement

4.7.2 Service work on gearboxes, axes 3, 4, 5 and 6
Gearboxes, replacement
The gearboxes of axes 3, 4, 5 and 6 are intended to run without requiring any
repairs or maintenance work. This implies that they must under no circumstances
be opened or serviced.
If the gearboxes require replacement:
• axes 3 and 4: the complete upper arm is to be replaced. This procedure is
detailed in section Replacing the complete upper arm, IRB 1600 on page 183.
• axes 5 and 6: the complete wrist unit is to be replaced. This procedure is
detailed in section Replacing the wrist unit, IRB 1600 on page 201.
Product manual - IRB 1600/1660 335
3HAC026660-001 Revision: W
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4 Repair
4.7.2 Service work on gearboxes, axes 3, 4, 5 and 6