ABB IRB 4600 - 20/2.50, Product Manual

Page: 255 / 374

Note Action
Secure the tubular shaft unit with a round-
sling in an overhead crane.
CAUTION
Prevent the slings from sliding!
For example a small plate can be fitted to
the lower attachment hole for the cable
bracket (removed in a previous step). The
plate should be fitted so it points down-
wards and functions as a mechanical stop
for the roundsling.
At the other end of the tubular shaft unit, a
shackle can be fitted if the wrist unit is re-
moved.
5
Specified in Required equipment on
page 251 .
Fit guide pins in the upper arm house. 6
Note
There are two parallel pins guiding the
tubular shaft unit into its place.
Refit the tubular shaft unit, using caution.
CAUTION
Do not damage the gears when refitting the
tubular shaft unit.
7
See the figure in:
• Location of tubular shaft unit on
page 251
Tightening torque: 22 Nm
Secure the tubular shaft unit with its attach-
ment screws .
8
How to refit motors is described in sec-
tion:
• Refitting motors on page 286
Refit motors axes 4, 5 and 6 . 9
See Performing a leak-down test on
page 190 .
Perform a leak-down test. 10
xx0800000335
Refit the bracket securing the cable package
to the tubular shaft unit, with its attachment
screws .
11
Parts:
• A: Tubular shaft unit
• B: Attachment screws M6x16 qual-
ity 8.8-A2F (2 pcs)
• C: Bracket
How to refit the wrist unit is detailed in
section:
• Refitting of wrist unit on page 259
If the wrist unit has been removed from the
tubular shaft unit, refit it now.
12
Continues on next page
3HAC033453-001 Revision: H 255
© Copyright 2009-2013 ABB. All rights reserved.
4 Repair
4.4.2 Replacing complete tubular shaft unit
Continued