4 Repair
4.4.4. Replacement of complete lower arm
3HAC022033-001 Revision: K292
© Copyright 2004-2011 ABB. All rights reserved.
11. Apply the lifting tool to the lower arm. Art. no. is specified in Required
equipment on page 289!
12. Drain the oil from gearbox 2. Detailed in section Oil change, gearbox
axis 2 on page 203.
13. Raise the tool to unload the lower arm.
14. Remove the protection plug. Shown in the figure Attachment points,
lower arm on page 288!
15. Remove the protection washer and the
retaining ring.
Shown in the figure Attachment points,
lower arm on page 288!
Use a pliers for the retaining ring.
16. Fit the press (/puller) tool as shown in the
figure to the right and mount both the hydraulic
pump and the glycerin pump to it.
Art. no. is specified in Required
equipment on page 289!
xx0300000010
17. Increase the pressure of the glycerin pump
and, at the same time, pull out the shaft with
the puller tool by increasing the pressure of the
hydraulic pump.
Do not exceed the limit of maximum
pressure classified for the pumps!
18. Remove the lower arm attachment screws and
washers that attaches the lower arm to the
gearbox 2.
Shown in the figure Attachment points,
lower arm on page 288.
19. Lift the lower arm down and place it on a
secure surface.
20. Remove the bearing and thrust washer from
the shaft hole in the lower arm.
Shown in the figure Attachment points,
lower arm on page 288.
On reassembly a new bearing must be
used!
Action Note
Continued
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