
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.
xx2300001602
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
106
Product manual - IRB 6720
3HAC085697-001 Revision: C
© Copyright 2023 ABB. All rights reserved.
4 Maintenance
4.3.1 Inspecting the motor seal
Summary of Contents for OmniCore IRB 6720
Page 1: ...ROBOTICS Product manual IRB 6720...
Page 8: ...This page is intentionally left blank...
Page 14: ...This page is intentionally left blank...
Page 54: ...This page is intentionally left blank...
Page 184: ...This page is intentionally left blank...
Page 584: ...This page is intentionally left blank...
Page 608: ...This page is intentionally left blank...
Page 614: ...This page is intentionally left blank...
Page 639: ......