4.3 Inspection activities
4.3.1 Inspecting the motor seal
Purpose of evacuation holes
The motors include evacuation on the motor flange to indicate failure of primary
sealing between the gearbox and the motor.
Location of evacuation hole on motor
The evacuation hole is located on each motor flange. The figure shows axis-1
motor as an example.
xx1500001057
Plug in the evacuation hole
New motors have a transparent plug/sight glass installed in the evacuation hole.
Remove the plug or drill a drainage hole with diameter 3 mm, if an open evacuation
hole is required instead.
xx2200002188
Continues on next page
100 Product manual - IRB 6710
3HAC085695-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
4 Maintenance
4.3.1 Inspecting the motor seal
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