4 Repair
4.4.3. Replacement of upper arm
251
3HAC020993-001 Revision: G
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
xx0200000163
Required equipment
Removal, upper arm
The procedure below details how to remove the upper arm.
A
Attachment hole for lifting eye, M12 (if wrist unit is mounted)
B
Attachment for lifting device, upper arm (2 pcs if there is no wrist unit mounted)
C
Oil plug, draining, gearbox axis 3
D
Cable harness division; connector R2.M5/6
E
Motor, axis 3
F
Motor, axis 4
G
Attachment screws and washers, upper arm
H
Sealing, axis 2/3 (between lower arm and gearbox axis 3)
Equipment
Art. no.
Note
Sealing, axis 2/3
3HAC 12443-2 Always use a new sealing when
refitting the upper arm!
Washer, axis 3 (3 pcs)
3HAC 12703-1 To be replaced if damaged.
Guide pins, sealing axis 2/3 80 mm
3HAC 14628-1 For guiding "Sealing, axis 2/3".
Guide pins, sealing axis 2/3 100 mm
3HAC 14628-2 For guiding "Sealing, axis 2/3".
Power supply
-
24 VDC, max 1,5A
For releasing the brakes.
Rotation tool
3HAC 17105-1
Used to rotate the motor shaft
beneath the motor cover, when
brakes are released with 24 VDC
power supply.
Lifting eye VLBG M12
3HAC16131-1
Lifting device, upper arm
3HAC15994-1
Lifting tool (chain)
3HAC15556-1
To be used together with lifting
eye, M12 and lifting device, upper
arm.
Standard toolkit
3HAC 15571-1 The contents are defined in
in part 2 of the Product
manual.
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.
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.
Continued
Continues on next page