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4 Repair
4.4.3 Replacement of complete upper arm
Continued
6
7
8
9
10
11
12
13
14
15
Refitting, upper arm
The procedure below details how to refit the upper arm to the robot.
1
Continues on next page
268
Action
Run the lifting chain from the rear lifting point through
the overhead crane hook, through the hoisting block
to the lifting eye in the front.
Use the hoisting block to adjust the tension in the
chain in order to lift the upper arm completely level.
Drain the oil from gearbox 3.
Disconnect connector R2.M5/6 at the rear cable divi-
sion point as well as all remaining connections to the
upper arm.
Disconnect all connectors inside motors 3 and 4.
Remove all brackets securing cabling to the upper
arm by unscrewing their attachment screws respect-
ively.
Raise the lifting equipment to take the weight of the
upper arm.
Carefully remove the upper arm attachment screws .
Make sure that the upper arm is lifted in a completely
level position in all planes in order not to damage the
upper arm!
Lift the upper arm and place it on a secure surface.
Remove the sealing from the lower arm.
Action
DANGER
Turn off all:
•
electric power supply to the robot
•
hydraulic pressure supply to the robot
•
air pressure supply to the robot
Before entering the robot working area.
© Copyright 2007-2013 ABB. All rights reserved.
Note
Art. no. is specified in
Required
equipment on page
267.
Detailed in section
Changing
oil, axis-3 gearbox on page
Shown in the figure
Location of
upper arm on page
266.
30 pcs.
Note/Illustration
3HAC022033-001 Revision: M
202.
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