4 Repair
4.4.1. Replacement of complete upper arm
3HAC026660-001 Revision: C130
© Copyright 2006-2008 ABB. All rights reserved.
Removal, complete upper arm
The procedure below details how to remove the complete upper arm from the robot.
Gasket, customer
connections
3HAC 022050-001 Replace if damaged.
Grease 3HAB 3537-1 To lubricate the sealing ring
(V-ring).
Locking liquid - Loctite 574
Lifting slings -
Standard toolkit The contents are defined in
section Standard toolkit on
page 237.
Other tools and
procedures may be
required. See references
to these procedures in
the step-by-step instruc-
tions below.
These procedures include
references to the tools
required.
Equipment Spare part no. Art. no. Note
Action Note/Illustration
1. Move the upper arm to a horizontal position.
2.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
3. Remove the arm housing cover from the upper
arm.
Shown in the figure Location of upper
arm on page 129.
4. Disconnect all connectors inside the arm
housing and loosen the cabling from straps
and brackets.
The cabling and all connectors inside
the upper arm housing are shown in
the figure Illustration, cabling inside
upper arm housing on page 115.
5. Remove the VK-cover from the lower arm by
pushing it out from the inside.
Pull out the cabling from the arm housing.
Shown in the figure Location of upper
arm on page 129.
6. Secure the weight of the arm with lifting slings.
7.
CAUTION!
The complete upper arm weighs 34 kg without
any additional equipment fitted! Use a suitable
lifting device to avoid injury to personnel!
Continued
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