ABB IRB 4600 - 20/2.50, Product Manual

Page: 307 / 374

Note Action
A
B
C
xx0800000445
Fit a lifting lug in the uppermost hole
for the attachment screws that secure
the lower arm to the gearbox.
11
Parts:
• A: Gearbox axis 2
• B: Lifting lug
• C: Holes for attachment screws securing
the lower arm to gearbox axis 2
Secure the gearbox with a roundsling
in an overhead crane or similar. 12
See the figure in:
• Location of gearbox axis 2 on page 303
Remove the attachment screws and
washers that secure the gearbox to the
frame.
13
Fit guide pins to help guiding the
gearbox out from the frame. 14
Note
Always use removal tools in pairs diagonal to
each other.
If necessary, use removal tools to re-
move the gearbox. 15
Remove the gearbox.
CAUTION
Use caution in order not to damage
gearbox or pinion!
16
Refitting gearbox axis 2
Use this procedure to refit the gearbox.
Note Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
1
Continues on next page
3HAC033453-001 Revision: H 307
© Copyright 2009-2013 ABB. All rights reserved.
4 Repair
4.8.2 Replacing gearbox axis 2
Continued