NOTE! The latest modifications of
the 4WD clutch, see page 440/27.
753
Model Code Page
6000--8950
21440
44. Quick---shift gear, reverse shuttle
and 4WD clutch
1. 8. 2000
1. 1. 1995
Picture 12. 4WD clutch on tractors which have Delta Powers-
hift (reinforced clutch 660071 ---).
1. Gear wheel for 4WD at the front end of the bevel pinion
shaft. Number of teeth on 4WD gear wheels depends on the
transmission type (30 km/h, 40 km/h or 50 km/h).
2. 4WD clutch drum.
3. Pressure oil space for di senga gi ng the 4WD.
4.Cup springs which keep the clutch in engaged position
when pressure oil does not act in space 3.
5. Pressure oil inlet from the servo valve block (valve block,
see page 440/13).
6. The multi ---disc clutch is adjusted by tightening the shaft
nut first fully home and then unscrewing the nut one and a half
turn.
7. Place for rotation speed sensor on E ---models (AC IV). The
sensor must be removed before the reverse shuttle housing is
detached.
The function of the clutch above is the same as earlier (see
previous page).
In this clutch the propeller shaft rear end is connected to the
4WD output shaft with a sleeve joint. Additionally, in the clutch
there are more clutch discs and also the cup springs are rein-
forced.
The 4WD clutch above is equipped with a separate seal/bea-
ring housing which is bolted to the lower part of the reverse
shuttle.
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