4 Repair
4.4.5. Replacement of complete lower arm
3HAC026876-001 Revision: C
268
© Copyri
ght
200
6-2008 ABB.
All rights reserved.
Removal, lower arm
The procedure below details how to remove the complete lower arm.
Retaining ring plier
-
Grease
3HAB3537-1
For lubrication of the shaft hole.
Isopropanol
11771012-208
For cleaning of the shaft.
Standard toolkit
-
The content is defined in section
.
Other tools and procedures
may be required. See
references to these
procedures in the step-by-
step instructions below.
These procedures include references to
the tools required.
Equipment, etc.
Art. no.
Note
Action
Note
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
2. Remove the upper arm.
Detailed in section
3. Disconnect and remove the cables from inside
the lower arm.
Release any cable attachments.
Detailed in section
cable harness, axes 1-6 on page
193
.
NOTE!
For Cleanroom robots it is necessary
to remove the complete cable
harness from base, frame and lower
arm. The removal procedure is
detailed in section
cable harness, Cleanroom on page
207
.
4. Apply the shackle to the balancing device and
raise to unload the weight of the device.
Art. no. is specified in
Attachment is shown in the figure
Location of lower arm on page 267
.
5. Unload the balancing device in order to make the
piston rod and front ear adjustable when pulling
the front shaft out.
Detailed in section
balancing device (old and new) on
page 294
.
6. Remove the securing screw from the balancing
device front shaft.
Shown in the figure
Continued
Continues on next page
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