Semi-trailer parts troubleshooting. Experts teach you how to solve problems

As an important means of logistics transportation, the semi-trailer may have various parts failure in the process of long-term use. For these failures, we need to understand their causes and solutions, in order to eliminate the fault in time to ensure the normal operation of the vehicle. This article will provide you with detailed expert advice on troubleshooting semi-trailer parts.

First, suspension system troubleshooting

1. Spring damage: Check whether the spring is broken, deformed or rusted. If found damaged, should be replaced in time.

2. Shock absorber failure: Observe whether the shock absorber has oil leakage and whether the rubber connection part is worn. If there is a problem, replace the shock absorber.

3. Suspension arm failure: Check whether the suspension arm is bent, broken, or worn. If any abnormality occurs, repair or replace it in time.

2. Troubleshooting of axle and tire

1. Axle wear: Check whether the axle body and bearings are seriously worn. If worn, repair or replace.

2. Tire wear: Check tire pressure, pattern wear degree and tire sidewall damage. Replace tires regularly to ensure safe driving.

3. Wheel hub failure: Check whether the wheel hub has cracks, deformation and other problems. If abnormal, replace it in time.

Three, engine and cooling system troubleshooting

1. Engine failure: Check whether the oil, coolant, fuel filter, etc., is normal. Regularly change the oil, filter, air filter, etc., to keep the engine clean.

2. Cooling system failure: Check whether the coolant is sufficient, whether the cooling system pipeline is blocked, leakage and other problems. If there is a problem, it is necessary to clean and replace the coolant and cooler in time.

Fourth, transmission system troubleshooting

1. Gearbox failure: Check the quality of gearbox oil, if there is an anomaly, replace it in time.

2. Drive shaft failure: Check whether the connection bolts of the drive shaft are tight and whether the lubricating oil is sufficient. Change the lubricating oil regularly to prevent wear of the drive shaft.

3. Drive axle failure: Check the quality of drive axle oil, if there is an anomaly, it should be replaced in time.

5. Troubleshooting of electrical system

1. Cable and plug failure: Check whether the cable and plug are damaged or short-circuited. If there is a problem, replace it in time.

2. Fuse failure: Check whether the fuse is blown and replace the appropriate fuse in time.

3. If the battery is faulty, check whether the battery appearance and voltage are normal. Clean the battery regularly and keep the battery well ventilated.

Six, brake system troubleshooting

1. Brake shoe and brake drum failure: Check the wear of brake shoe and brake drum. If abnormal, replace it in time.

2. Brake disc failure: Check the degree of wear of the brake disc. If worn, repair or replace.

3. Brake fluid failure: Check the quality of brake fluid and replace the brake fluid regularly.

To sum up, for the failure of semi-trailer parts, we need to eliminate them according to specific reasons. In daily maintenance, inspection and maintenance should be strengthened to ensure stable vehicle operation and improve transportation efficiency. I hope the above troubleshooting methods can provide you with useful reference. If you have any other questions, please feel free to consult a professional maintenance engineer.