ABB IRB 4600 Foundry Prime Product Manual page 350

4 Repair
4.8.3 Replacing gearbox axis 3
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350
Action
CAUTION
Always cut the paint with a knife and grind
the paint edge when disassembling parts.
See Cut the paint or surface on the robot
before replacing parts on page
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.
Secure the gearbox with its attachment
screws and washers.
Remove the guide pins and replace them
with the remaining attachment screws.
© Copyright 2013-2018 ABB. All rights reserved.
Note
201.
See the figure in:
• Location of gearbox axis 3 on
page 345
Always use guide pins in pairs!
Article number for the rotation tool is
specified in Required equipment on
page 345.
See the figure in:
• Location of gearbox axis 3 on
page 345
Tightening torque: 35 Nm.
Product manual - IRB 4600 Foundry Prime
3HAC040585-001 Revision: M