785
Model Code Page
443. 4WD clutch
6000--8750 443 3
1. 1. 1995
15. 5. 1993
B. Reconditioning 4WD clutch on tractors
w i t h 3 --- s t e p q u i c k --- s h i f t g e a r ( D e l t a
Powershift)
Changing seals, see Op. D on the next page.
1. Split the tractor frame between gearbox---fuel tank, see Op.
441 1A or 423 1A.
2. Remove the 3---step quick---shift gear from the reverse
shuttl e front face, see Op. 444 1A points 1 --- 4 .
3. Slacken the 4WD output shaft nut (6) using spanner ETV
894 170 before removing the reverse shuttle.
4. Detach the reverse shuttle from the gearbox front side
acco rding to instruction 442 A.
5. Unscrew the 4WD output shaft nut and tap at the shaft front
end until the clutc h/shaft loosen.
6. Remove the oil sleeve ( 4) from the shaft. Remove the cup
springs (3) and the cylinder, piston and the press ure plate.
7. Change the clutch discs as a complete unit: 11 steel discs
and 12 frictio n discs.
8. Assemble the clutch and change the piston seal if neces-
sary. Push the oil sleeve into its place in the reverse shuttle
housing and fit the cup springs according to the picture
above.
9. Push the shaft/clutch into the housing through the ball bea-
ring.
10. Remove the clutch drum/gear wheel on the front face of
the gearbox and place the drum onto the clutch disc pack so
that the steel disc lugs engage with the grooves on the drum.
11. Prevent the 4WD output shaft from rotating by placing a
suitable block between the drum gear (7) and the wall of the
reverse shuttle housing.
12. Tighten the shaft nut first fully home and then slacken it
one and a half turn. The clutch pack has then a correct clea-
rance.
13. Fit the clutch drum back to the gearbox front end.
13. Attach the reverse shuttle onto the gearbox front face, see
Op. 442 C.
14. Attach the 3---step quick---shift gear (Delta Powershift)
onto the front face of the reverse shuttle, see Op. 444 1A
points 19---26.
15. Assemble the tractor frame between gearbox---fueltank,
see Op. 441 2B or 423 5A.
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