4 Repair
4.4.5. Replacement of complete lower arm
3HAC023082-001 Revision: E296
© Copyright 2004-2008 ABB. All rights reserved.
Refitting, lower arm
The procedure below details how to refit the lower arm.
15. Remove the attachment screws and washers that
attach the lower arm to the gearbox axis 2.
Shown in the figure Internal
components, lower arm on page 292!
16. Lift the lower arm and place it on a secure
surface.
17. Remove the bearing and thrust washer from the
shaft hole in the lower arm.
Shown in the figure Internal
components, lower arm on page 292!
On reassembly a new bearing must
be used!
18. Remove the sealing, axis 2/3 from the lower arm. Shown in the figure Internal
components, lower arm on page 292!
On reassembly new sealings must
be used!
Action Note/Illustration
Action Note/Illustration
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the
air pressure to motors and SMB.
2. Fit two guidings in the attachment holes of the
lower arm.
Art. no. is specified in Required
equipment on page 293!
xx0300000548
A: Attachment holes for the two
guidings
3. Fit the new sealing, axis 2/3 on the guidings. Always use a new sealing when reas-
sembling!
Art. no. is specified in Required
equipment on page 293!
4. Apply the lifting tool to the lower arm. Art. no. is specified in Required
equipment on page 293!
Continued
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