Removal, drive shaft unit
The procedure below details how to remove the drive shaft unit from the robot
upper arm.
NOTE! ABB recommends its customers to carry out only the following servicing
and repair work on the drive shaft unit.
Note/IllustrationAction
DANGER
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
1
Detailed in section Removal, wrist unit
on page 139.
Remove the wrist.2
Detailed in section Replacement of mo-
tors, axes 4-6, IRB 2400L on page 183.
Loosen the connection box and disconnect
the connectors on the motors of axes 5 and
6. Mark the motor number on the motors, to
simplify the reconnecting.
3
xx0300000021
Undo the screws.4
• A: Screws
• B: Motor screws
Squeeze the drive shafts together at the tip
of the tubular shaft, so they can pass
through the tube.
5
Pull out the complete drive mechanism of
axes 5 and 6.
6
Detailed in section Replacement of mo-
tors, axes 4-6, IRB 2400L on page 183.
Undo the screws and nuts, holding the mo-
tors and remove both motors.
7
Undo the screws and remove the motor
plate.
8
Remove the gear belts.9
Continues on next page
Product manual - IRB 2400 201
3HAC022031-001 Revision: P
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.8.2 Replacement of drive shaft unit, IRB 2400L
Continued
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