Section H.
В
Troubleshooting
Belarus – 510/512 Operating manual
116
Table H-1, continued
TROUBLE, EXTERNAL MANIFESTATION
REMEDY
STEERING
High force on steering wheel
Oil foaming in booster system.
a) insufficient oil in booster housing;
b) air in system
Misadjusted safety valve.
High oil leak in pump.
Jamming in worm to sector mesh
High vibration of steering wheel
Check oil level, add to the required level if neces-
sary.
Check suction line and eliminate leakage.
Adjust valve
Replace pump
Adjust mesh
Screw in round nut until in touches bushing, un-
screw it by 1.5 turn and lock.
Increased instability of front wheels
Weak tightening of worm nut
Increased backlash in tapered bearings of front
wheels or steering rod jointns, misadjusted front
wheel toe-in
Weak tightening of nuts fastening sector pitman
arm or pivot arms
Increased axial movement of pivoting shaft
Screw in the nut to a torque of 2 kgf•m (20 N•m),
unscrew it by 1/12-1/10 turn to align the slot in the
nut with the hole in the worm for pin
Adjust.
Tighten up the nuts.
Adjust axial movement of shaft with bolt.
Steering wheel free play increased (exceeds 25°)
Increased clearance in worm to sector mesh
Increased backlash in cardan joints of steering
wheel drive
Weak tightening of worm nut
Adjust clearance
Replace worn parts
Screw in the nut to a torque of 2 kgf•m (20 N•m),
unscrew it by 1/121/10 turn to align the slot in the
nut with the hole in the worm for cotter pin
