ABB IRB 5720 - Inspection Activities; Inspecting the Motor Seal

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
Robots with protection type Standard have a protection filter installed in the
evacuation hole.
Robots with protection type Foundry Plus have a transparent plug/sight glass
installed in the evacuation holes.
xx1800000102xx1800000101
Transparent plug (Foundry Plus).Protection filter (Standard).
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106 Product manual - IRB 5720
3HAC079195-001 Revision: A
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4 Maintenance
4.3.1 Inspecting the motor seal