Zetor Proxima 100, Operator'S Manual

Page: 183 / 220

182
ADJUSTMENT
If asymmetry of brake effect appears
between the left and right brakes, it is
necessary to loosen the adjusting screw
(7) of the brake with bigger brake effect,
until the brake effects of the right and left
wheels are equal. But the screw can be
loosened maximum by 1/2 turn.
If asymmetry of brake effect is not
eliminated even after such adjusting, the
tractor brakes must be adjusted in an
authorized service.
PARKING BRAKE ADJUSTMENT

Set the lever (4), so that the distance
between the bracket (K) and the fork
face at the level (4) might be 109 mm
(so that the lever (4) might form angle
20° with vertical plane)

Screw the nut (2) to the seating
surface of the pin (3) without play and
without pre-stressing
– it must not
come to depressing of the arms (5).

Adjusting process is the same at the
right-hand and left-hand tractor sides.

By means of the nuts (8) adjust the
Bowden cable of the parking brake
lever so that at preservation of angle
20° at the lever (4), the parking brake
lever could be without play.

Rise and lower the parking brake lever
(1) several times. You will eliminate
possible mutual plays among the parts
by this way.

Check adjustment of the parking brake
system, in case of necessity re-adjust,
and check tightening of all locking nuts
(6), (8)
If asymmetry of brake effect of the
parking brake appears between the left
and right brakes, it is necessary to
loosen the upper adjusting nut (6) of the
brake with bigger brake effect until the
brake effects of the right and left wheels
are equal. But the nut (2) can be
loosened maximally by 1,5 turn.
If asymmetry of brake effect is not
eliminated after such adjusting, the
tractor brakes must be adjusted in an
authorized service.
Note: There are adjusting openings in
the tractor cab floor for making easy the
brake.
C754
ADJUSTMENT OF FREE TRAVEL OF
BRAKE PEDALS
Correct play between the piston rod of
brake pedal and the piston of main brake
valve is 0,5-1,0 mm (3 - 6 mm when
measured at the edge of the brake
pedals at unlatched pedals). Adjust the
play at unlatched pedals and after
releasing of the adjusting nut (1), in
which the piston rod is screwed.