ABB Robotics IRB 1520 Product Manual page 267

Removing the axis 3 gearbox
Use this procedure to remove the axis 3 gearbox.
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Product manual - IRB 1520
3HAC043435-001 Revision: L
Action
Drain the axis 3 gearbox from oil.
Jog the robot to the synchronization position.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot work-
ing area.
CAUTION
Whenever parting/mating motor and gearbox,
the gears may be damaged if excessive force
is used!
Remove the axis 3 motor.
Remove the cable harness in the upper arm.
Remove the complete upper arm.
Place the complete upper arm on a work-
bench, some pallets or similar.
Remove two of the attachment screws and
fit two guide pins in opposite holes.
© Copyright 2012-2020 ABB. All rights reserved.
4.7.3 Replacing the axis 3 gearbox
Note
See Changing the oil, axis-3 gearbox on
page 117.
See on page ?.
See Replacing the cable harness - upper
end on page 162.
See Replacing the complete upper arm,
IRB 1520ID on page 183.
xx1100000463
Always use guide pins in pairs.
Continues on next page
4 Repair
Continued
267