ABB IRB 8700 Product Manual page 630

4 Repair
4.8.4 Replacing the axis-3 gearbox
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Action
Remove the attachment screws that secure
the motor.
Tip
Use a bits extender in order to reach the
screws.
Fit guide pins in opposite holes.
CAUTION
Whenever parting/mating motor pinion and
hub, the splines may be damaged if excess-
ive force is used.
If required, press the motor out of position
by using the removal tools in opposite
holes of the motor.
CAUTION
The motor weighs 27 kg.
All lifting accessories used must be sized
accordingly.
Attach the lifting accessory.
Lift the motor out on the guide pins, in or-
der to get the pinion away from the hub.
Let the motor rest on the guide pins.
Disconnect the 24 VDC power supply.
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Note
Bits extender: 3HAC12342-1
Guide pin, M10x150: 3HAC15512-1
Always use guide pins in pairs.
Removal tool M14: 3HAC047108-001
Lifting accessory, motor: 3HAC15534-1
Product manual - IRB 8700
3HAC052853-001 Revision: M