Attachment screws and tightening torques
The table shows what attachment screws and tightening torques to be used.
Tightening
torque
Qty.Screw qualityAttachment
screw
Cover
1 Nm4+4Steel 12.9 Black oxideM3x16Lower arm cover
1 Nm3+3Steel 12.9 Black oxideM3x8Wrist side cover
1 Nm3Steel 12.9 Black oxideM3x25Wrist housing (plastic)
1 Nm8Steel 12.9 Black oxideM3x8Housing cover
1 Nm4Steel 12.9 Black oxideM3x8Tilt cover
Removing plastic covers
Use this procedure to remove the plastic covers.
InformationAction
DANGER
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
1
CAUTION
Always cut the paint with a knife and grind the
paint edge when disassembling parts of a
Clean Room robot! See Replacing parts on the
robot on page 118
2
Remove the attachment screws securing the
plastic cover.
3
Remove the plastic cover.4
If the cover shall be reused, keep it clean and
put in a safe place.
5
Refitting plastic covers
Use this procedure to refit the plastic covers.
InformationAction
Clean Room robots: clean the joints that have
been opened. See Replacing parts on the robot
on page 118
1
If the plastic cover is cracked or has
any other damage it must be replaced
with a new one.
Before fitting the plastic cover, check it for
cracks or any other damage.
2
Fit the plastic cover and secure it with its attach-
ment screws.
3
Which attachment screws to use is described
in the table:
• Attachment screws and tightening
torques on page 153
Continues on next page
Product manual - IRB 120 153
3HAC035728-001 Revision: N
© Copyright 2009-2017 ABB. All rights reserved.
4 Repair
4.4.1 Replacing plastic covers
Continued
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