ABB Robotics IRB 6790 Product Manual page 554

4 Repair
4.8.2 Replacing the axis-2 gearbox
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554
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the robot working
area.
Fit a lifting eye in the arm house, with a fender
washer underneath.
xx1400002196
Note
Save the stop screw installed, to refit after the
lifting eye is removed.
Attach the Lifting accessory (chain) to an over-
head crane (or similar), then to the lifting eye in
the arm house and to a roundsling run through
the wrist.
Raise the overhead crane to stretch the chains
and roundslings.
Verify that the roundsling between the wrist and
the lower arm is stretched.
© Copyright 2019 - 2020 ABB. All rights reserved.
Note
Lifting eye: 3HAC16131-1
Fender washer: Outer diameter:
minimum 26 mm, maximum 30 mm,
hole diameter: 13 mm, thickness:
3 mm.
xx1200001134
Lifting accessory (chain):
3HAC15556-1
Roundsling, 1 m: Length: 1 m, lift-
ing capacity: 1,000 kg.
xx1200001254
Product manual - IRB 6790
3HAC063331-001 Revision: B