Action 23. Steering wheel play
When engine is working, the steering
wheel play shall not exceed 25. If no
so, check and eliminate the plays in
the joints of the hydraulic cylinders
and steering rod.
Action 24. A djusting the service and
parking brakes. Aligning the brake
valve and pneumatic system pres-
sure regulator
To adjust the brake control, proceed as
follows;
a ) Unscrew the locknuts (3) of adjusting
bolts (2);
b ) Screw the bolts (2) into the adjustment
forks or unscrew then so that the full
brake right pedal travel would be with-
in 105-115 mm at the force of 120-130
N and braking distance of max 6.0 m
at the speed of 20 km/h and force of
600 N on the pedals blocked with the
bar (1) would be ensured, as well as
non-simultaneous braking onset of
max 1 m (against the impress) would
be guaranteed. The travel of the left
brake pedal shall be less by 5-20
mm to provide the simultaneous
brake actuation in the blocked condi-
tion. Reduction of brake pedal travel
below given above values is not al-
lowed, since it leads to premature
brake lining wear and brake over-
heating;
c ) Tighten the lock nuts (3). Ingress of
grease into the brake causes the disk
oiling and reduces the friction between
their working surfaces (brakes do not
hold). In this case, disassemble the
brake, eliminate the oil leakage, wash
the oiled disks with gasoline and let
them dry within 5-8 minutes. After as-
sembly, adjust the brake control.
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