Refitting the complete upper arm
Use this procedure to refit the complete upper arm.
NoteAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the robot
working area.
1
Clean the joints that have been opened. See
Cut the paint or surface on the robot before
replacing parts on page 201
2
Note
Do not remove the attachment screws se-
curing the gearbox axis 3 to the armhouse!
3
CAUTION
The weight of the complete upper arm (in-
cluding the wrist) is 140 kg
All lifting accessories used must be sized
accordingly.
4
Clean all assembly surfaces.5
See Attaching the lifting accessories to
the upper arm on page 272.
Attach the lifting accessories to the upper
arm.
6
Specified in Required equipment on
page 267.
Fit guide pins to the upper arm.7
Lift the upper arm to the robot using an
overhead crane.
8
Release the brakes of the axis 3 motor.9
See the figure in:
• Location of the complete upper arm
on page 267
Tightening torque :
• 35 Nm
Refit the upper arm to the lower arm with
its attachment screws.
Note
Use new attachment screws!
10
It may be necessary to turn the gear by ro-
tating the motor pinion with a rotation tool,
motor beneath the motor cover.
Continues on next page
274 Product manual - IRB 4600 Foundry Prime
3HAC040585-001 Revision: M
© Copyright 2013-2018 ABB. All rights reserved.
4 Repair
4.4.1 Replacing the complete upper arm
Continued
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