Master skills in the car when braking downhill mountain way
Most road width narrow mountain road, steep bend urgent, long, steep ramp more. When going downhill due to vehicle mass center forward, the speed will be faster and faster, the speed control when the driver if the frequent use of the brake pedal, the legs will feel weak, tired, wheel brake drum and brake shoe friction plate will also have hot, mild cases to reduce the braking performance, in serious cases to the braking system. Therefore, how to use the brake downhill slope, do a little learning.
Mountain downhill, the steep ramp should alleviate the situation and the quality of the size of the vehicle set, hang up the necessary speed for the stalls, full use of the traction resistance role in controlling the engine speed, it can avoid the excessive use of foot brake.
Air brake vehicles, to ensure that safety standards in air pressure above normal should not be too much to put the brake pedal with the foot as to avoid excessive lowering air pressure. The brake in accordance with the required strength, the appropriate depresses the brake pedal. Need to increase the speed too fast when the braking force, may continue to slam a trip; the speed required to reduce the braking force when the slow, slightly relaxing the brake pedal. Long, steep ramp the next time, as long as the pressure to meet the needs of intermittent brake can be used properly, it is a good system to advise drum and brake shoe cooling. When the speed has reached the limits allowed by road conditions, make appropriate increases braking force, so that even lower speed; when the speed dropped to the standard, slightly relaxing the brake pedal, it will ensure that uniform and stable speed.
Vehicles using hydraulic brake, brake, should step on the brake pedal twice, the foot press and hold the pedal to brake pedal at a higher position near. Need for increased braking force, the down check out the location; need to reduce the braking force, the slightly up a bit. Gradually reduce the brake pedal, may then step two, to increase the pedal again to ensure the timely and responsive braking.
Hydraulic brake the car when the long, steep ramp (especially hot weather conditions), the long duration of the use of brakes, brake drum overheating, which require the parking break, but often start moving after a break , brake failure phenomenon occurs. This is due to rest stops, wheel cylinder pistons and cups stops moving due. Because the slave cylinder overheating Ershi cups cylindrical contact surface drying, sealing reduced brake oil leakage, caused by brake failure. Therefore, rest stops, should continue to move slowly to step brake to make cups reciprocating motion, to prevent the outer surface is dry, it can enable the cups to keep a good seal, they can Brake Fluid Cool faster.
Foot downhill halfway sudden brake failure accidents failure, can "grab file" method down to the most low-grade, use engine traction resistance role of deceleration, while to master the direction of rotation mechanical hand brake control rotation.
Hand brake, hand brake lever is not a tension without letting go, and do not pull too slowly. About tension, easy to hand the brake disc, "locking", damage transmission components, loss of braking force. Pulled too slowly, friction will brake disc brake linings and thermal ablation of the role of loss of braking. The correct way is: pull the pine for a while; and then pull the pine look, repeatedly. When the vehicle stopped close to the time, and then tighten hand brake lever.
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