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While bleeding add the uid to the master cylinder tank in time
and do not let the uid level decrease lower than 2/3 of the tank
volume. Hold the hose end dropped into the uid.
Check the brake system when driving the motor vehicle. If
the working brakes and their drives are adjusted correctly and the
brake system is bled correctly, full braking occurs within 1/2–2/3
of the pedal travel.
It is not recommended to add the brake uid collected after
bleeding to the master cylinder tank.
Brake pedal travel can be adjusted by turning adjusting screw
6 as required (Fig. 9.26). Free pedal travel should be 5–8 mm.
After adjusting tighten the screw nut with the torque of 14–18 N∙m
(1.4–1.8 kgf∙m).
Adjust switches 4 with nuts 7, maintaining an air gap of no
more than 0.5 mm, which is indicated in the gure. After adjust-
ing, tighten the nuts with the torque of 4–6 N∙m (0.4–0.6 kgf∙m).
Fig. 9.26. Master brake cylinder drive:
1 — master brake cylinder housing; 2 — tank; 3 — vacuum booster; 4 — brake signal
switches; 5 — brake pedal; 6 — adjusting screw; 7 — nuts; 8 — buffer.
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