MTW Belarus 90 - Adjustment of Front Wheels Toe-In of the Tractors with Steering Booster

Section F. Adjustments Belarus - 90/92 Operating manual
63
Adjustment of front wheels toe-
in of the tractors with steering
booster
Front wheels toe-in is adjusted at the
factory in the range of 0-8 mm.
Periodically every 250 h of working and
also at every change of the front track
check toe-in and when is necessary adjust
it. Before checking it, obligatory adjust the
gaps in the bearings of the wheels and
hinges of the steering links.
The adjusting of the wheels toe-in perform
in the following order:
а) place the tractor at the horizontal
ground with hard surface;
b) place the pitman (10) in midposition,
for this, turning the steering wheel,
place it in the position when the probe
in the steering booster body is
maximum sinked;
c) check that the conical pair bodies (for
tractors with FDA) or the steering
knuckles (for tractors without FDA) are
moved out to length «B» from the front
axle body or front axle tube
correspondingly;
d) adjust the left and the right steering
links by extending or shortening them
to the same value, for this unscrew
the lock-nuts (3, 5, 6, 8) and, turning
the left and the right tubes (7, 4), set
the required length;
e) determine the wheels toe-in, for this
measure the distance (measurement
«D») between inner flanges of wheel
treads ahead (at a height of the wheel
centers) and mark by chalk the
measurement positions. Then go
ahead at the tractor so that the marks
are behind at the same height and
measure the distance between
marked points (measurement «C»).
The second measurement should be
larger than the first one;
the difference between the second «C»
and the first «D» measurements is
equal to the wheel toe-in and should be
0-8 mm. When is necessary, adjust the
toe-in by changing the length of the
steering links. Extend or shorten the left
and the right links to the same length;
f) check the mounting of the pitman in
the midposition (by probe) and the
difference of the measurements «C»
and «D» again;
g) after the final adjustment of the
wheel toe-in, lock the tubes of the
steering links.
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