4 Repair
4.4.5. Replacement of complete lower arm
3HAC023082-001 Revision: E294
© Copyright 2004-2008 ABB. All rights reserved.
Removal, lower arm
The procedure below details how to remove the complete lower arm.
Puller tool, balancing device
shaft
3HAC12475-1
Lifting tool, lower arm 3HAC14691-1 Tool that may be rent from ABB Robotics.
Includes:
• two guidings, 3HAC 14446-1,
must be used for guiding the
sealing, axis 2/3.
Rotation tool 3HAC 17105-1 Used to rotate the motor pinion and gear
if necessary, when brakes are released.
Hydraulic pump, 80 MPa 3HAC13086-1
Hydraulic pump, 150 MPa
(Glycerin)
3HAC021563-012
Puller device, axis 2 shaft 3HAC021563-001 The use of the tool is detailed in section
Replacement of lower arm shaft on page
299.
Press device, axis 2 shaft 3HAC021600-001
Press tool, axis 2 bearing 3HAC13527-1
Retaining ring plier -
Grease 3HAB 3537-1 For lubrication of the shaft hole.
Isopropanol 1177 1012-208 For cleaning of the shaft.
Standard toolkit - The contents are defined in section
Standard toolkit on page 436 in part 2 of
the Product manual.
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/Illustration
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 Removal, upper
arm on page 287.
3. Disconnect and remove the cables from inside
the lower arm.
Release any cable attachments.
Detailed in section Removal, cable
harness, axes 1-4 on page 242.
Continued
Continues on next page
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