4 Repair
4.5.5. Unloading the balancing device
3HAC022033-001 Revision: E
292
©
Co
py
rig
h
t 200
4 - 20
08 ABB.
All r
ig
h
ts r
e
se
rv
ed
.
Unloading the balancing device
The procedure below details how to use the press tool in order to unload the balancing device.
How to remove the press tool, is detailed in section
Restoring the balancing device on page
.
Action
Note
1. Fit the
moving pin
to the current press device. Choose the correct press device,
.
The moving pin is shown in the figure
Press tool and hydraulic cylinder on
page 290
.
2. Fit the correct press device and moving pin to
the press tool. Secure with the
bolt, press
device.
NOTE!
Make sure the bolt is secured properly!
hydraulic cylinder on page 290
3. Remove the
rear cover
of the balancing
device, by unscrewing the
attachment screws
.
xx0200000175
•
E: Rear cover attachment
screws, 4 pcs
4. Remove the o-ring from the balancing device
end.
5. Remove the support shaft.
6. Fit the
press tool
to the rear of the balancing
device with enclosed
bolts.
Tighten them
properly!
Art. no. is specified in
See the figure
.
7. Fit the
hydraulic cylinder
to the press tool.
Art. no. is specified in
See the figure
.
8. Connect the
hydraulic pump
to the cylinder.
Art. no. is specified in
9. Increase the pressure and press until the
marking on the
moving pin
indicates the
correct position (in level with the pressure
block).
See the figure
.
Do not apply more pressure than
necessary, it could damage bearings
and sealings at the shaft.
Continued
Continues on next page