Change Of Front Wheels Track With Front Drive Axle - Zetor Major 80 Operator's Manual

WHEEL TRACK CHANGE
G503a

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 200 - 220 Nm.
− The nut of front wheels to be tightened with a torque of 270 - 300 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.
88