95
Brake systems
WArnInG!
On a vehicle with a diesel engine, after a long
parking (over 8 hours), start driving at least in 20...30 seconds
after starting the engine, so that the vacuum pump can create a
vacuum in the brake booster sufficient for comfortable braking.
During the idle running of the engine, when the diesel engine
runs at the minimal engine speed of the crankshaft lower than
allowable (see section "Technical characteristics"), the vacuum
brake booster capacity decreases, so regularly check the engine
speed of the crankshaft during idle running of the engine.
In case of a frequent depression of the brake pedal, in the motor
vehicle with a diesel engine (after the pedal release, it is depressed
again, e.g., on a downhill trip), the vacuum pump is not able to create
the required vacuum, and as a result braking capacity decreases and
it will be necessary to apply increased force to the brake pedal.
WArnInG!
Please remember, that a stopped engine and
disabled vacuum booster considerably increases the effort necessary
for pushing the brake pedal to stop the vehicle.
WArnInG!
If one of the brake system circuits is out of order,
brake pedal travel is increased and braking efficiency is decreased.
In this case, do not make short-time multiple pedal pushes, instead
push the pedal until maximum braking.
If the brake system does not work properly, it is prohibited to
drive the vehicle or to tow it with a tow-rope. In this case, for towing,
you should use a wheel-lift device or a flatbed towing service.
WArnInG!
Brake disc hardware, tubing T-connector, parking
brake drive details, governor drive and the governor itself are fixed
with adhesive sealant (with no spring washer) to prevent unscrewing.
Add adhesive sealant if you unscrew these bolts and nuts.
Fig. 9.32. Control and safety
valves of the pump:
1 — control valve; 2 — safety valve
spring; 3 — guiding safety valve
spring guide; 4 — safety valve ball;
5 — valve spring; 6 — safety valve
seat; 7 — filter; 8 — ring; 9 —
closing plug; 10 — sealing spacer;
11 — shims
Содержание HUNTER 315148
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