Adjusting the front wheel track of the
tractors with the FDA (MTZ
920/920.2/920.3/952/952.2/952.3)
I. FDA with bevel gear speed reduc-
ers; HPS with the cylinder in the steer-
ing trapezium
The track width of the tractor with the
FDA can be adjusted (for the tyres of the
basic scope of delivery of 13.6-20) within
the range from 1430 mm to 1650 mm
and with the wheel transposition – from
1770 to 1990 by extending the housings
of the wheel reduction gears (with bevel
gearings).
To adjust the track, proceed as follow:
1. Brake the tractor with the parking
brake. Put the stops in front and be-
hind the rear wheels.
2. Put the jack under one left side of the
front driving axle. Lift the wheel until it
takes off the ground.
3. Loosen the 4 bolts fixing the adjusting
screw cover and remove the cover (2).
4. Turn out the two nuts (1) and remove
the two wedges from the left side of
the FDA.
5. Loosen the tightening of the nuts (3)
at the ends of steering rod tube (4).
6. Remove the split pin and then the fix-
ing pin (5) from the left side of the
FDA. If the distance “Н” exceeds 70
mm, refit the fixing finger (5) (position
II).
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