4 Repair
4.5.6. Restoring the balancing device using a hydraulic press tool.
3253HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
Required equipment
Restoring the balancing device
The procedure below details how to restore the balancing device, that is removing the press
tool.
Equipment, etc. Art. no. Note
Hydraulic cylinder 3HAC11731-1 To be used with press tool.
Hydraulic pump, 80 MPa 3HAC13086-1 To be used with hydraulic cylinder.
Brush -
Rust preventive 3HAC026621-001 Equivalent:
• Mercasol 3106
Locking liquid - Loctite 577
Used to secure the attachment screws
of the rear cover at the end of the
balancing device.
Standard toolkit 3HAC15571-1 Content is defined in section Standard
toolkit on page 427.
Sikaflex 521FC
Action Note
1. Refit the hydraulic cylinder to the press tool, in
case it has been removed.
Shown in the figure Press tool and
hydraulic cylinder on page 324.
2. Press with the cylinder and the hydraulic pump
until the fix plate is movable again. Turn the pin
on the fix plate to position "Open".
Shown in the figure Press tool and
hydraulic cylinder on page 324!
Do not apply more pressure than
necessary, it could damage bearings
and sealings at the shaft.
3. Unload the cylinder and make sure the moving
pin indicates that the tool has returned to its
starting position.
Shown in the figure Press tool and
hydraulic cylinder on page 324!
4. Remove the hydraulic cylinder.
5. Remove the press tool by unscrewing the bolts. Shown in the figure Press tool and
hydraulic cylinder on page 324!
6. Lubricate and refit the o-ring at the end of the
balancing device.
Make sure the o-ring is seated
properly! Replace if damaged.
7. Refit the support shaft to the balancing device.
8. Lubricate and refit the o-ring on the support
shaft.
Make sure the o-ring is seated
properly! Replace if damaged.
Continued
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