Adjusting 4x4 Front Tread with Reversible Rims

4 x 4 front axle tread with reversible rims can be adjusted repositioning or changing the rims or inverting wheel disks.

Tread can also be adjusted switching the whole wheel to opposite side of tractor. (This maneuver allows a concave to convex wheel position change without having to disassemble them).

When changing rear wheels from one side to the other of front axle with front-wheel drive, the arrow on the tire must be pointing in direction of forward travel.

The relation between wheel disk and rim with different treads is illustrated on the following page.

Carefully study diagrams before changing tread as this will reduce effort when performing this task.

IMPORTANT: After adjusting space between front wheels, tighten nuts between disk and rim and between disk and hub. Drive tractor about 100 meters (328.1 ft) and retighten nuts to specification.

ItemMeasurementSpecification
Disk-to-hubTorque310 N.m (229 lb-ft)
Rim-to-diskTorque245 Nm (180 lb-ft)

IMPORTANT: Bolts must be mounted on outside face of wheel.

NOTE: Tread adjustment is measured at the lower part of the center line.

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