Wheel Track Change; Change Of Front Wheels Track With Front Drive Axle; Setting Wheel Stops With Front Drive Axle - Zetor MAJOR Operator's Manual

Change of front wheels track with front drive axle

Change of wheel track is done by a change of rim and disc position.
Secure the tractor against movement first, heave the axle with a hoist and support.
Demount front wheels.
Unscrew nuts of screws connecting a disc with rim and protrude the screws.
Change wheel track by setting the rim to a requested position.
Mount the screws back with pads and lock with nuts.
Tighten nuts with a torque of 270 - 300 Nm.
The nut of front wheels to be tightened with a torque of 250 - 290 Nm.
After every release of a foot joint, tighten the screws to a prescribed value.
After travelling a distance of 100 m with an unloaded tractor, retighten the joints to a prescribed
torque.
After tractor run-in tighten the joints after 3 Mh.
After 10 Mh retest the nuts of discs and foots of wheel rim.

Setting wheel stops with front drive axle

Set the stops always with any wheel track change or tire
replacement with front drive axle.
Wheel stops with front drive axle must be set so that there
would be a distance of at least 50 mm between front drive
axle tires and tractor with full lock and full axle swing
around central pin.
Setting wheel stops with front drive axle check
1. Set full lock to one side and check that the distance
between a tire and the nearest solid point on the tractor is
at least 50 mm. Check both front tires.
2. Turn the steering to full lock to the other side and check
according to point 1.
3. Heave one side of the front axle to the maximum swing
(front axle leans against the bracket) and check according
to point 1 and 2.
4. Hoist the other side of front axle to the maximum swing
(front axle leans against the bracket) and check according
to point 1 and 2.
The setting of stops (A) changes after the release of a nut
(2) and unscrewing or screwing in a screw (1).
After the change in setting wheel stops with
front drive axle, it is always necessary to check their
setting according to points 1 to 4.

WHEEL TRACK CHANGE

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F13BN033