ABB Robotics IRB 6790 Product Manual page 430

4 Repair
4.7.1 Replacing the axis-1 motor
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Action
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.
Secure the motor with its attachment
screws and washers.
Use a bits extender to reach the screws.
Perform a leak-down test (if not already
done).
Disconnect the 24 VDC power supply.
© Copyright 2019 - 2020 ABB. All rights reserved.
Note
Lifting accessory (chain): 3HAC15556-1
Lifting accessory, motor: 3HAC14459-1.
xx1200001072
Bits extender: 3HAC12342-1
Tightening torque: 50 Nm.
Screws: M10x30 Stainless Steel
(3HAC060786-020) (4 pcs)
Washers: 13x17x2 Stainless Steel
(3HAC060866-003) (4 pcs)
xx1200001071
See Performing a leak-down test on
page 166.
Product manual - IRB 6790
3HAC063331-001 Revision: B