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4 Repair
4.5.3. Replacement of balancing device
Continued
Refitting
The procedure below details how to refit the balancing device.
220
Action
5. Insert a long screw (M12x50) in the hole to
neutralize the spring force.
6. Attach a roundsling to the balancing device.
7. Remove the lock nuts.
8. Fit the auxiliary shafts on the upper and lower
pivot shaft.
Fit the short auxiliary shaft on the upper shaft
and the longer on the lower shaft.
9. Stretch the roundsling.
10.
CAUTION!
The balancing device weighs 70 kg! All lifting
equipment used must be sized accordingly!
11. Carefully remove the balancing device from its
upper and lower attachment.
12. Remove the balancing device and put it in a
safe place.
13. Remove the inner rings of the bearings.
14. Remove the sealing rings and support washers.
Action
1. Apply sealing compound on the surface for the
sealing ring.
2. Refit the inner sealing rings and support
washers.
3. Refit the inner ring of the bearings on the upper
and lower pivot shaft with the auxialiary shaft.
4. Fit the auxiliary shafts on the upper and lower
shafts.
Fit the short auxiliary shaft on the upper shaft
and the longer on the lower shaft.
5. Attach a roundsling to the balancing device and
lift it on to the auxiliary shafts.
6. Adjust the length between the upper and lower
bearings by means of the M12 screw, used to
neutralize the spring force.
Note
The length of the cylinder is now
locked.
Use the hole in the lifting ear.
Note! Make sure that the shaft
between the upper and lower arm
does not rotate when unscrewing the
lock nuts! The lock nut is locked with
Loctite 243.
Art.no. is specified in
Required
equipment on page 218
Note
Art.no. is specified in section
equipment on page 218
This length should preferably be 0.5
mm too short than 0.1 mm too long. If
the distance is too long the bearings
may be damaged when erecting the
balancing device.
Continues on next page
3HAC028197-001 Revision: A
Required
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