小型混凝土攪拌車(chē)復位慢的表現是小型混凝土攪拌車(chē)在制動(dòng)減速后，松開(kāi)制動(dòng)踏板，車(chē)速不能很快地提高，嚴重的甚難以起步，小型混凝土攪拌車(chē)發(fā)生制動(dòng)發(fā)咬的故障后，可以按如下步驟檢查并排除：

The small concrete mixer has a slow reset, which means that the speed of the small concrete mixer can not be increased quickly when it releases the brake pedal after braking and decelerating, and it is even difficult to start. After the small concrete mixer has a brake seizure fault, it can be checked and eliminated according to the following steps:

1、如果踏板自由行程適當，主制動(dòng)閥排氣口有氣體排出，掛檔起步，如果能起步，行駛一段距離應檢查制動(dòng)鼓是否發(fā)熱，如發(fā)熱一般是由于制動(dòng)蹄和制動(dòng)鼓間隙太小所致。應檢查制動(dòng)蹄和制動(dòng)鼓的間隙，使之保持正常。

1. If the free stroke of the pedal is appropriate, there is gas discharged from the exhaust port of the main brake valve, and the vehicle starts in gear. If the vehicle can start, check whether the brake drum heats up after driving for a certain distance. If the brake drum heats up, it is generally caused by the small gap between the brake shoe and the brake drum. The clearance between the brake shoe and the brake drum shall be checked to keep it normal.

2、如果不能起步，可踩下踏板，將變速桿置于空檔，然后在松開(kāi)制動(dòng)踏板的同時(shí)，檢查各制動(dòng)氣室的推桿能否回位。如果是某個(gè)制動(dòng)氣室的推桿不能回位，即是繼動(dòng)閥卡死，或是制動(dòng)蹄回位彈簧太軟，斷裂造成的，或者是前制動(dòng)蹄銷(xiāo)銹死造成的。

2. If it is not possible to start, step on the pedal, place the gear lever in neutral, and then check whether the push rods of each brake chamber can return to their original positions while releasing the brake pedal. If the push rod of a brake chamber fails to return, it is caused by the stuck relay valve, or the brake shoe return spring is too soft and broken, or the front brake shoe pin is rusted.

3、檢查制動(dòng)踏板的自由行程，或者是在貯氣筒氣壓達到規定之后，踩下制動(dòng)踏板，然后在松開(kāi)踏板的同時(shí)檢查主制動(dòng)閥的排氣口有無(wú)氣體排出，如無(wú)氣體排出，踏板無(wú)自由行程，說(shuō)明是主制動(dòng)閥的排氣閥打不開(kāi)，應調整主制動(dòng)閥拉桿，使主制動(dòng)閥的活塞桿和排氣閥之間有正常的間隙，使制動(dòng)踏板保持正常的自由行程。

3. Check the free stroke of the brake pedal, or step down the brake pedal after the air pressure of the air reservoir reaches the specified value, and then check whether there is gas discharge from the exhaust port of the main brake valve when releasing the pedal. If there is no gas discharge, the pedal has no free stroke, which means that the exhaust valve of the main brake valve cannot be opened. Adjust the pull rod of the main brake valve to make sure that there is a normal clearance between the piston rod of the main brake valve and the exhaust valve, Keep the brake pedal at normal free stroke.

小型混凝土攪拌車(chē)制動(dòng)后踏板復位慢的原因就講解到這里了，您對此有什么想了解的事項就來(lái)我們網(wǎng)站http://www.jqeq.cn看看吧。

This is the reason why the pedal of small concrete mixer is slow to reset after braking. If you want to know anything about this, please come to our website http://www.jqeq.cn Take a look.