ABB IRB 2400/10, Product Manual

Page: 157 / 227

4 Repair
4.8.2. Replacement of drive shaft unit, IRB 2400L
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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 .
Action Note/Illustration
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
2. Remove the wrist. Detailed in section Removal, wrist unit on
page 100 .
3. 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.
Detailed in section Replacement of
motors, axes 4-6, IRB 2400L on page
137
.
4. Undo the screws.
xx0300000021
• A: Screws
• B: Motor screws
5. Squeeze the drive shafts together at the tip
of the tubular shaft, so they can pass
through the tube.
6. Pull out the complete drive mechanism of
axes 5 and 6.
7. Undo the screws and nuts, holding the
motors and remove both motors.
Detailed in section Replacement of
motors, axes 4-6, IRB 2400L on page
137
.
8. Undo the screws and remove the motor
plate.
9. Remove the gear belts.
Continued
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