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Note
Action
Rotating AC motor M104 with pin-
ion: 3HAC058581-003.
Lift the motor into the base.
Use the rotation tool to rotate the pinion when
mating it into the gear.
5
Rotation tool: 3HAB7887-1
xx2000001083
Hex socket head cap screw: M6x25
Steel 8.8-A2F (4 pcs).
Secure the unit with attachment screws and
washers.
6
Plain washer: 6.4x12x1.6 steel-A2F
(4 pcs).
Tightening torque: 10 Nm.
xx2000001082
Torx pan head screw: M6x12 Steel
8.8-A2F (4 pcs)
xx2000001031
Refit the cable bracket to the motor with four
screws.
7
Disconnect the 24 VDC power supply.
8
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276
Product manual - IRB 390
3HAC066566-001 Revision: B
© Copyright 2020 - 2021 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the axis-4 gear unit pre-stage
Continued
Summary of Contents for IRB 390
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