4 Repair
4.4.5. Replacement of complete lower arm
2693HAC026876-001 Revision: C
© Copyright 2006-2008 ABB. All rights reserved.
7. Apply the puller tool, balancing device shaft to the
shaft of the balancing device, through the hole in
the frame.
The shaft has a M20 thread diameter, as shown
in the figure to the right.
Pull the shaft out using the puller tool and the
hydraulic pump.
Art. no. is specified in Required
equipment on page 267.
NOTE!
The dimension of the shaft puller tool
is M20. Do not mix up with the shaft
press tool used when mounting the
shaft.
8. Lower the balancing device until it rests safely
against the bottom of the frame.
9. Move the lower arm backwards to the lowest
position possible.
The figure shows IRB 6600 but the
position of the lower arm shall be the
same.
xx0300000015
10.
NOTE!
For Cleanroom robots apply a protection where
the lifting equipment and roundslings will rub
against the paint of the robot.
In order to prevent from particle emission while
lifting, put for example a 20 mm thick cellular
plastic sheet around the places on the robot
where the lifting equipment may rub against the
paint.
11. Apply the lifting tool to the lower arm. Art. no. is specified in Required
equipment on page 267.
12. Drain the oil from gearbox 2. Detailed in section Oil change,
gearbox axis 2 on page 157.
13.
CAUTION!
The lower arm weighs 160 kg! All lifting
equipment used must be sized accordingly!
14. Raise the tool to unload the lower arm.
15. Remove the lower arm shaft and all additional
components, as detailed in section Removal,
lower arm shaft.
Action Note
Continued
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