ABB IRB 4600 - 20/2.50, Руководство по эксплуатации продукта

Страница: 253 / 374

Note Action
How to remove the wrist unit is detailed
in section:
• Removal of wrist unit on page 259
Tip
If only the tubular shaft unit shall be re-
placed, it is a good idea to remove the
wrist
unit at this stage.
7
CAUTION
The robot arm tube weighs 65 kg.
All lifting accessories used must be sized
accordingly!
8
Secure the tubular shaft unit with round-
slings 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.
9
See the figure in:
• Location of tubular shaft unit on
page 251
Remove the attachment screws that secure
the tubular shaft unit.
10
Note
There are two parallel pins guiding the
tubular shaft unit into its place. See figure
in
Replacing complete tubular shaft unit
on page 251 .
Remove the tubular shaft unit using caution.
The tubular shaft unit is fitted with Loctite.
CAUTION
Do not damage the gears when removing
the tubular shaft unit.
11
CAUTION
Remaining oil will drain out from the gear-
box cavity when the tubular shaft is lifted
out.
Continues on next page
3HAC033453-001 Revision: H 253
© Copyright 2009-2013 ABB. All rights reserved.
4 Repair
4.4.2 Replacing complete tubular shaft unit
Continued