Info/IllustrationAction
CAUTION
The robot lower arm weighs 65 kg.
All lifting accessories used must be sized
accordingly!
2
Detailed in section Replacement of
lower arm on page 186.
Remove the cabling down to axis 1.3
Detailed in section Replacement of
lower arm on page 186.
Remove the complete upper arm.4
Attach a crane to the lower arm and unload
the weight.
5
Detailed in section Removal, balan-
cing device on page 200.
Remove the balancing device.6
Detailed in section Replacement of
parallel arm / Replacement of bearing
on page 194.
Remove the parallel arm.7
Shown in the figure Location of lower
arm on page 186.
Remove the attachment screws and friction
washers, lower arm.
8
Remove the lower arm from the manipulator.9
Refitting, lower arm
The procedure below deatails how to refit the lower arm to the robot.
Info/IllustrationAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply (do not turn off for Foundry
Prime robots!)
to the robot, before entering the robot working area.
1
CAUTION
The robot lower arm weighs 65 kg.
All lifting accessories used must be sized accord-
ingly!
2
Part no. is specified in Re-
quired equipment on page 187
Move the damper and the calibration plate from the
old to the new lower arm.
3
Part no. is specified in Re-
quired equipment on page 187
Check and grease both V-rings in the frame. Replace
if damaged.
4
Lift the lower arm and lower it into mounting position.5
Make sure both V-rings stay seated properly!
Continues on next page
188 Product manual - IRB 4400
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.5.1 Replacement of lower arm
Continued
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