1、 Leakage of suction truck hole cover

1. If the pull rod is too long, the solution is to adjust the length of the pull rod;

2. The left-hand screw is not screwed in place. Solution: tighten the left-hand screw in place;

3. The sealing gasket is damaged and ineffective. Solution: Replace the sealing gasket.

2、 The vacuum gauge reading of the suction truck is too low or there is no indication

1. If the speed of the vacuum pump is too low, the solution is to increase the throttle;

2. The vacuum gauge is damaged. Solution: Replace the vacuum gauge;

3. Vacuum gauge tube blockage, solution: remove the blockage;

4. The four-way ball valve is not fully opened. Solution: replace the rotor.

3、 What should I do if the vacuum pump makes abnormal noise and the temperature rises too high?

1. Wheel sleeve wear.

 Solution: Replace the wheel sleeve;

2. Impurities or debris have entered the pump chamber.

 The solution is to disassemble, inspect, and clean the vacuum pump, and replace worn parts.

3. Insufficient lubricating oil mixed with impurities.

 Solution: Add or replace lubricating oil in a timely manner.

4、 What should I do if the fuel tank of the suction truck leaks oil?

1. The sealing gasket is damaged.

 Solution: Replace the sealing gasket;

2. The connecting screw is loose.

 The solution is to tighten the bolts.

3. The amount of lubricating oil is too large.

 Solution: The lubricating oil surface is located in the middle of the liquid, that is, in a suitable position.

5、 What should I do if the power take-off makes abnormal noise and the temperature rises?

1. Parts wear, solution: Disassemble and inspect, clean the power take-off, replace worn parts;

2. There are impurities or insufficient quantity in the lubricating oil.

 The solution is to replace or add lubricating oil in a timely manner.

When encountering a malfunction of a fecal suction truck in daily life, this article can be used as a reference to repair it properly and maintain it regularly.