Reconditioning Multi - Valtra 6000 Workshop Manual

44. Delta Powershift
B. Reconditioning multi ---disc clutches for
reduction ratio and overdrive
Dismantling:
1. Split the tractor between gearbox ---fuel tank (see Op. 441
1A)
2. Disconnect the oil pipes from the gear housing.
3. Unscrew four attaching bolts of the housing (see arrows)
and carefully pull off the housing.
Note! The planetary gear and its multi ---disc clutch remain on
the front face of the reverse shuttle. Also the foremost and
middle sun gear may remain inside the planet gears.
4. Unscrew three fixing bolts of the seal housing and remove
the housing. Remove the oil seals of piston ring type on the
shaft (3 pcs, see arrow).
15. 5. 1993
5. Remove the front ball bearing circlip. Tap at the shaft front
end until the shaft/clutch drum releases.
6. Remove the circlip and cup springs of the piston for the
rearmost multi ---disc clutch.
7. Remove the large circlip of the piston. Remove the piston
carefully using compressed air through the pressure oil hole.
Check and change, if necessary, the piston sealing rings.
790
Model Code
6000-- 8750 444
Page
4