Zetor Major 80, Operator'S Manual, Page: 91 / 157

91
WHEEL TRACK CHANGE
C507 C508
WHEEL TRACK TOE-IN IN TRACTORS WITH FRONT DRIVE AXLE
Note: Tractors are in standard equipped with hydrostatic device.
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Set the wheel symmetrically with longitudinal axis of a tractor
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Measure the distance between rims in the front on horizontal level of wheel axis.
Mark the place of measurement.
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Travel forward with a tractor so that the marked places would be on horizontal level
of rear wheel axis (turn by 180°) and remeasure the distance between marked
places.
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Release locking nuts of ball joint heads (2) of connecting rods of devices in
hydraulic cylinder.
−
Adjust toe-in by turning the pin of ball joint (3). Do the adjusting symmetrically with
both joints to keep the same lock of wheels to both sides (do the measurement on
the sides of rims).
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Locking nuts of heads of ball joints (2), tighten with a torque of 122 - 136 N. Upper
surfaces of heads must be (1) parallel.
FRONT DRIVE AXLE FENDERS
Are on adjustable holders which can be
set both horizontally (by relocating
screws “a” to different holes) and
vertically (by relocating screws “b” to
different hole) based on requested wheel
tracks and the kind of used tires.