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4 Repair
4.8.3 Replacing gearbox axis 3
Continued
13
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19
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Continues on next page
332
Action
Secure the gearbox with its attachment
screws and washers.
Remove the guide pins and replace them
with the remaining attachment screws.
Perform a leak-down test.
Fit guide pins in the upper arm.
Move the upper arm to its mounting posi-
tion.
(With the brakes of the axis 3 motor still re-
leased.)
Refit the upper arm to the lower arm with
its attachment screws.
Remove the guide pins and replace with the
remaining attachment screws.
Remove the 24 VDC power supply.
Refit the upper armhouse cover with its at-
tachment screws and washers.
WARNING
The cover on the armhouse must be fitted
when the robot is running. It is a vital part
for the stability of the robot.
© Copyright 2009-2021 ABB. All rights reserved.
Note
See the figure in:
•
Location of gearbox axis 3 on
page 326
Tightening torque: 35 Nm.
See
Performing a leak-down test on
page
188.
Specified in
Required equipment on
page
327.
See the figure in:
•
Location of the complete upper arm
on page 247
Tightening torque:
•
Type C and Type D: 50 Nm and
90° angle
•
Other design than Type C and
Type D: 35 Nm
Tightening torque: 14 Nm.
Make sure that the cover is tightly sealed.
B
A
xx0800000389
Parts:
•
A: Cover
•
B: Attachment screws M6x25,
quality 8.8-A2F (10 pcs)
Product manual - IRB 4600
3HAC033453-001 Revision: Y
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