Section H. Possible malfunctions and remedies
Belarus – 90/92 Operating manual
112
Continuation of table H-1
MALFUNCTION, SYMPTOM
REMEDY
STEERING
«Difficult» steering
Oil foaming in amplifier system:
a) insufficient quantity of oil in amplifier body;
b) ingress of air to system
Disturbed adjustment of safety clutch
High oil leak in pump
Jamming in gearing worm-sector
High vibration of steering wheel
Check oil level, if is necessary, add to required
level
Check suction line and eliminate leakage
Adjust valve
Replace pump
Adjust gearing
Screw circular nut to contact with bush, unscrew it
on 1,5 revolution and lock
High instability of front wheels
Nut gripping of worm is unfastened
High play in conical bearings of front wheels or
hinges of tie-rod of steering, front wheel toe-in is
disturbed
Nut gripping of fixing of pitman of sector or pivot
arm are unfastened
Increased axial movement of pivoting shaft
Screw nut with torque 2 kgf-m (20 N-m), unscrew
it on 1/12—1/10 revolutions to overlap the cut in
nut with hole in worm under cotter pin
Adjust
Screw nuts
Adjust axial movement of shaft by the bolt
High free travel of steering wheel (more than 25
º
)
Increased gap in gearing worm-sector
High play in junctions of cardanic clutch of
steering wheel
Nut gripping of worm is unfastened
Adjust gap
Replace wear parts
Screw nut with torque 2 kgf-m (20 N-m), unscrew
it by 1/12—1/10 revolutions to overlap the nut cut
with cotter pin passage in worm
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