Replacing Gearbox Axis - ABB Robotics IRB 4600 Manual

Refitting the gearbox axis 3
Use this procedure to refit the gearbox.
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Product manual - IRB 4600
3HAC033453-001 Revision: Y
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
CAUTION
The gearbox weighs 23 kg.
All lifting accessories used must be sized
accordingly!
Clean all assembly surfaces.
Remove any painting or other contamination
from the assembly surfaces, with a knife.
Apply some grease on the o-ring before fit-
ting it to the gearbox.
Fit two guide pins in two opposite screw
holes in the upper arm.
Remove the arm house cover.
Attach the rotation tool on the axis-3 motor.
Release the brakes of the axis 3 motor.
Lift the gearbox onto the guide pins.
Note
Whenever parting/mating motor and gear-
box, the gears may be damaged if excessive
force is used!
Slide the gearbox into position while rotating
the motor pinion to find the mating position.
Use a rotation tool.
Tip
Two persons are required for this step since
the upper arm is hanging freely in the air.
One person needs to hold the upper arm
still while the other fits the gearbox into the
upper arm.
Rotate the motor pinion and slide the gear-
box into position.
© Copyright 2009-2021 ABB. All rights reserved.

4.8.3 Replacing gearbox axis 3

Note
See the figure in:
• Location of gearbox axis 3 on
page 326
Always use guide pins in pairs!
Article number for the rotation tool is
specified in Required equipment on
page 327.
Continues on next page
4 Repair
Continued
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