Wheel Tread Change; Change Of Front Wheels Track With Front Drive Axle; Gauges Of The Front Wheels Of The Front Drive Axle Of The Tractors Equipped With Screwed Footer Discs; Possible Adjustable Tracks Of The Front Wheels Of The Front Driving Axle Of The Tractors - Zetor PROXIMA HS Series Operator's Manual

Change of front wheels track with front drive axle

Gauges of the front wheels of the front drive axle of the tractors equipped with screwed footer discs

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.
Used tires
280/85 R24, 11,2 - 24, 11,2R24,
320/85 R24, 12,4 - 24, 12,4R24
340/58 R24, 13,6R24

Possible adjustable tracks of the front wheels of the front driving axle of the tractors

WHEEL TREAD CHANGE

Adjustable treads (mm)
1525, 1620, 1680, 1770,
1825, 1920
1610, 1690, 1760, 1835,
1910
G503a_1
143