4 Repair
4.5.2. Replacement of parallel bar
3HAC026048-001 Revision: A140
© Copyright 2006-2008 ABB. All rights reserved.
Refitting, parallel bar
The procedure below details how to refit the parallel bar to the robot.
3. Use a crane to secure the weight of the upper
arm.
If the upper arm is also to be
removed, secure the weight as
shown in the figure below.
xx0500002549
4. Remove the attachment screw from the upper
and lower end.
Shown in the figure Location of
parallel bar on page 138.
5. Remove the locking washer from both ends. Shown in the figure Location of
parallel bar on page 138.
6. Insert a screw in the center of each end, to be
used as support.
M8
7. Use a puller to pull out the parallel bar.
8. Remove the bearings and seals. Shown in the figure Location of
parallel bar on page 138.
Action Note
Action Note
1.
-
Danger!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
2. Make sure the weight of the upper arm is
properly secured.
Use a crane!
3. Fit the new spherical roller bearings to the
parallel bar using the press tool, parallel bar
bearing. Lubricate the bearings with bearing
grease.
Shown in the figure Location of parallel
bar on page 138.
Art. no. is specified in Required
equipment on page 138.
4. Fit new bearing sealings to the shaft ends
and lubricate the shaft ends with grease.
Shown in the figure Location of parallel
bar on page 138.
Spare part no. is specified in Required
equipment on page 138.
5. Refit the parallel bar, using the mounting
tool, parallel bar.
Note! Press by hand!
Art. no. is specified in Required
equipment on page 138.
6. Fit new bearing sealings to the bearings.
Continued
Continues on next page
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