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故障现象 一辆北京BJ130型双排座汽车,在行驶途中突然出现汽油供应不上的故障。驾驶员掀开发动机盖,尽管多次用起子敲振化油器进油针阀部位,并将化油器油平面调高,用手动泵油给浮子室充满汽油后,发动机能在短时间内维持运转,但行驶不了1km,便又渐渐自行熄火,再也起动不了。一看化油器浮子室内汽油又烧完了。开始以为是天气炎热、温度过高而产生气阻,于是用冷水毛巾敷在汽油泵上隔热降温,也无济于事。
Symptoms A Beijing BJ130 double-seated car, on the road suddenly appeared in the gasoline supply failure. The driver opened the engine cover, although many times with a screwdriver knock carburetor into the needle valve position, and the carburetor oil plane elevation, with manual pump oil to the float chamber full of gasoline, the engine can be in a short period of time Maintain the operation, but can not drive 1km, they gradually self-extinguishing, can no longer start. A look at the carburetor float indoor gasoline burned again. Began to think it is the hot weather, the temperature is too high and produce air resistance, so with a cold towel deposited in the gasoline pump insulation cooling, also does not help.