ABB IRB 8700 Series Product Manual page 764

4 Repair
4.8.5 Replacing the axis-4 primary gearbox
Continued
5
6
Removing the axis-4 motor
1
2
3
4
5
Continues on next page
764
Action
Remove the cable gland cover.
Inspect the gasket.
Note
Replace if damaged.
Tip
Make a note in which direction the cable
exit hole is facing, if the motor will be re-
moved too. The motor shall be refitted in
the same position.
Use caution and pull out the motor cables.
Action
CAUTION
Use caution when releasing the brakes!
Axis-4 can move unexpectedly, depending
on the position of axis-5!
To release the brakes, connect the 24 VDC
power supply.
Connect to connector R2.MP4:
• pin 2 = 24V
• pin 5 = 0V
Unscrew the attachment screws with
washers, that secure the motor.
Attach two guide pins in opposite holes.
CAUTION
Whenever parting/mating motor and gear-
box, the gears may be damaged if excess-
ive force is used.
© Copyright 2015-2018 ABB. All rights reserved.
Note
xx1200001067
Note
xx1600000064
Guide pin, M10x150: 3HAC15521-2
Always use guide pins in pairs.
Product manual - IRB 8700
3HAC052853-001 Revision: F