Adjusting The Transmission's Neutral Position - Husqvarna Rider ProFlex 21 II Workshop Manual

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Adjusting the Transmission's
Neutral Position
1. Bleed the hydrostatic transmission's oil
system and hydraulic system.
2. Lift the rear of the rider so that the
wheels spin freely and place jack stands
under the machine.
3. The neutral position is adjusted by
turning the hexagonal shaft on the
transmission (see illustration).
4. Start the engine and turn the throttle to
full.
5. Loosen the lock nut on the hexagonal
shaft and turn the shaft clockwise until
the drive shafts begin to rotate
backwards.
6. Make a mark on the top of the shaft.
7. Turn the shaft slowly counter-clockwise
until the drive shafts stop rotating
backwards and make a mark on the
transmission housing (RS).
8. Turn the shaft slowly counter-clockwise
until the drive shafts begin rotating
forwards.
9. Turn the shaft slowly clockwise until the
drive shafts stop rotating forwards and
make a mark on the transmission
housing (FS).
10. Turn the shaft clockwise 1/3 of the
distance between the two marked stop
points.
11. Hold the shaft still (N=8) and tighten the
lock nut (N=17).
12. Make sure that the drive shafts do not
rotate in the neutral position by slowly
moving the manoeuvre arm to the
neutral position from the forwards and
reverse positions.
If the drive shafts do not rotate backwards
despite the fact that the hexagonal shaft has
rotated a full revolution, the neutral position is
to be adjusted in the following manner:
13. Turn the shaft slowly counter-clockwise
until the drive shafts begin rotating
forwards.
14. Turn the shaft slowly clockwise until the
drive shafts stop rotating forwards and
make a mark on the transmission
housing (FS) and shaft.
15. Turn the shaft clockwise 8° from the
mark on the transmission housing.
16. Hold the shaft still (N=8) and tighten the
lock nut (N=17).
54
English-
REPAIR INSTRUCTIONS
1 = Shaft
2 = Lock nut
1 = Shaft
2 = Lock nut
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Adjusting the neutral position
Adjustment alternative 1
Adjustment alternative 2
8009-224
6012-061
6012-062