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Valtra 6550 - Page 844

Valtra 6550
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791
Model Code Page
44. Delta P owershift
15. 5. 1993
6000--8750 444 5
8. Push the clutch drum inside the casing and remove the cir-
clip which has bevelled ends. Take the drum out of the casing.
Remove the rearmost disc pack.
9. Remove the piano wire under the locking ring of t he inter-
mediate ring between the disc packs. Then squeeze the lock-
ing ring and remove the intermediate ring.
Remove the foremost clutch discs and its hub.
10. Remove the circlip of the foremost clutch piston at which
time the cup springs release. Remove the piston carefully e.g.
with compressed air through the oil port.
Note! If You must change the clutch drum (press fit), remove
it from the shaft e.g. with a hydraulic press and a sleeve. When
fitting the drum, warm it and press it onto the shaft against the
circlip.
Assembling:
11. Ensure that the clutch drum is fully home against the cir-
clip. Tap or press the drum into place, if needed.
12. Grease the sealing rings of the foremost clutch piston and
press the piston into its location so that the grooves on the pis-
ton come upwards.

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