4 Repair
4.4.3. Replacement of the upper arm
3HAC027151-001 Revision: B184
© Copyright 2006-2008 ABB. All rights reserved.
Refitting
The procedure below details how to refit the upper arm.
Action Note
1. Make sure the o-ring is fitted to the gearbox.
Lightly lubricate the o-ring with grease.
2.
CAUTION!
The complete upper arm (incl. gearbox axis
3) weighs 282 kg without any additional
equipment fitted! Use a suitable lifting
device to avoid injury to personnel!
3. Fit the lifting tool on the upper arm as
detailed in the enclosed instructions and lift
it to its mounting position.
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
4. Fit the guiding pins in gearbox axis 3.
5. Refit the attachment screws securing the
upper arm to the gearbox.
Note! Don´t forget the four screws inside
the hole in the upper arm.
Shown in the figure Location of the upper
arm on page 181.
6. Remove the guiding pins.
7. Refit motor, axis 3. Detailed in section Replacement of motor,
axis 3 on page 208.
Continued
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