ABB Robotics IRB 6790 Product Manual page 534

4 Repair
4.8.1 Replacing the axis-1 gearbox
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Action
CAUTION
The motor weighs 25 kg.
All lifting accessories used must be sized
accordingly.
Apply the lifting accessory.
Fit the rotation tool.
Connect the 24 VDC power supply to re-
lease the brakes.
To release the brakes, connect the 24 VDC
power supply as described in the list.
Connect to R2.MP1-connector:
• + = pin 2
• - = pin 5
CAUTION
Whenever parting/mating motor and gear-
box, the gears may be damaged if excess-
ive force is used.
Lower the motor into position.
• Make sure that the motor pinion is
properly mated to the gear in the
gearbox.
• Make sure that the motor pinion
does not get damaged.
• Make sure that the direction of the
cable gland exit is facing the correct
way.
© Copyright 2019 - 2020 ABB. All rights reserved.
Note
Lifting accessory, motor: 3HAC14459-1.
Rotation tool: 3HAB7887-1
Lifting accessory (chain): 3HAC15556-1
Lifting accessory, motor: 3HAC14459-1.
xx1200001072
Product manual - IRB 6790
3HAC063331-001 Revision: B