4 Repair
4.4.1. Replacement of complete upper arm
3HAC022032-001 Revision: E134
© Copyright 2004-2008 ABB. All rights reserved.
Required equipment
Removal, upper arm
The procedure below how to remove the complete upper arm from the robot.
Note! The following procedure also applies to the IRB 4450S.
Equipment, etc.
Spare part
no.
Art. no. Note
Upper arm, without wrist
and motors
3HAC 17542-1 Foundry (also used for
standard)
Sealing ring 3HAC 7877-1
Taper roller bearing 3HAA 2103-13
VK cover 3HAC 12165-1
Shaft end 3HAC 4744-1
Grease 3HAB 3537-1 Used to grease the bearing.
Locking liquid Loctite 243
Standard toolkit 3HAC 17594-1 The contents are defined in
section Standard toolkit on
page 264.
Dismounting tool 3HAC 0163-1 Used to pull out the shaft.
Mounting tool 3HAB 1463-1 Used to fit the inner ring of the
bearing.
Contains two separate parts.
De-air tool 3HAC 8704-1 Used to evacuate air when
refitting VK-cover, if the cover
has no grooves for venting.
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.
Calibration Pendulum
Instruction
Art. no. is specified in section
Document references on
page 262.
Action Info/Illustration
1.
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.
The complete arm system weighs 232 kg! All lifting
equipment used must be sized accordingly!
Continued
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