4 Repair
4.4.3. Replacement of the upper arm
1833HAC027151-001 Revision: B
© Copyright 2006-2008 ABB. All rights reserved.
5. Fit the lifting tool on the upper arm as
detailed in the enclosed instructions.
Also fit a hoisting block to the front, used to
adjust the balance of the upper arm in order
to lift it completely level.
Art. no. is specified in Required
equipment on page 181.
xx0600003102
• A : Lifting tool
• B : Roundsling
• C : Lifting chain
• D : Hoisting block
6. Remove the cable harness, axes 3-6. Detailed in section Replacement of cable
harness, upper end on page 159.
7. Remove the three metal clamps securing
the cable harness on the lower arm and
armhouse.
xx0600003083
• A: Metal clamp, lower arm (2 pcs)
• B: Metal clamp, gearbox axis 3
• C: Metal clamp, armhouse
8. Let the removed part of the cable harness
hang lose, without it getting damaged when
removal is proceeded.
9. Remove motor, axis 3. Detailed in section Replacement of motor,
axis 3 on page 208.
10. Remove the attachment screws securing
the upper arm to the gearbox axis 3.
Note! Don´t forget to remove the four
screws inside the hole in the lower arm.
Shown in the figure Location of the upper
arm on page 181.
11. Remove the complete upper arm and put it
on the floor. Let the upper arm lean on the
side.
Action Note
Continued
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