ABB IRB 6620 Product Manual page 279

Removal
The procedure below details how to remove the gearbox axis 1.
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Product manual - IRB 6620
3HAC027151-001 Revision: T
Action
Decide which calibration routine to use, and
take actions accordingly prior to beginning
the repair procedure.
DANGER
Turn off all:
• electric power supply to the robot
• hydraulic pressure supply to the ro-
bot
• air pressure supply to the robot
Before entering the robot working area.
Remove motor, axis 1.
Remove the cable harness, axes 1-2.
Secure the cable harness to the robot in a
safe way, that it will not be damaged in the
continued removal procedure.
Run an overhead crane to a position above
the robot.
CAUTION
The complete arm system weighs 590 kg!
All lifting equipment used must be sized
accordingly!
Lift the robot (without the base) and put it
safely on its side on the floor.
Remove the robot´s attachments screws in
order to unfasten the base from the founda-
tion.
Fit two lifting eyes on each side of the
gearbox and secure it with a roundsling.
Attach the lifting tool to the gearbox.
CAUTION
The complete gearbox unit and base weighs
241 kg together! (Base: 133 kg, gearbox
unit: 108 kg.) All lifting equipment used must
be sized accordingly!
Lift the robot base with gearbox axis 1, to
allow fitting the support, base and gear axis
1 on each side of the base.
© Copyright 2006-2018 ABB. All rights reserved.
4.7.1 Replacement gearbox axis 1
Note
Detailed in section Replacement of motor,
axis 1 on page 242.
Detailed in section Replacement of cable
harness, lower end (axes 1-2) on page
Detailed in section Orienting and securing
the robot on page 87.
Art. no. is specified in Required equipment
on page 277.
Art. no. is specified in Required equipment
on page 277.
Art. no. is specified in Required equipment
on page 277.
Continues on next page
4 Repair
Continued
185.
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