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General fault analysis and Troubleshooting for Sinotruk oil tank semi trailer

Number of visits: Date:2017-11-09

General fault analysis and Troubleshooting for Sinotruk oil tank semi trailer

Possible fault Troubleshooting method
1. Trailer unable to start

1. Continue air inflation until the pressure in the braking system is above 0.4 Mpa

2. Repair the pipeline

3. Repair or replace the relay valve

4. Readjustment

2. Braking force insufficient

1. Adjust the brake clearance

2. Clean the brake shoe with gasoline or alkaline water or use No. 2 woven roving or saw blade to clean off the build-up carbon on the surface of friction plate

3. Hone the brake drum

4. Increase the pressure in the pipeline

5. Clean the rust part

6. Repair the pipeline

7. Disassemble and examine the relay valve

3.After the brake is release, braking cannot be disengaged in time

1. Repair the relay valve

2. Cleaning, lubrication and adjustment

3. Adjust them to make them concentric

4.Brake drum heated

1. Readjust the clearance until it is proper

2. Check as specified in Item

3. Replacement or adjustment

4. Adjust the clearance

5. Add lubricating grease as specified

5.Light dimmed or unlit

1. Wrap the wire

2. Replace the bulb or wire

6.The support unable to raise or lower correctly

1.Adjust the gear to make it engage

2.Replace the connection

3.Cleaning and lubrication

7.Leaf spring ruptured along the center bore Upon reloading, tighten the bolt with the specified torque
8.Wheel swinging

1. Replace it

2. Readjust the clearance

3. Tighten them with the specified torque

4. Repair or replace it

9.The handle of the saddle can not be pulled or returned or the bonding between the traction pin and the saddle is loose Adjust the adjusting nut at the right side of the saddle
10. Abnormal abrasion of tyre

1. Adjustment (see the method for adjusting wheel base)

2. Replace the gum cover

3. Tighten them with the specified torque

4. Make air inflation as specified

5. Replacement

6. Load the truck as specified

7. Replace the steel ring

11. The tank is unable to discharge oil or discharges too small volume of oil

1. Check the air circuit control line and check opening condition of the valve

2. Repair or replace the breather valve

3. Clean off the contaminant in the tank

12. Seepage or leakage of oil in the tank or pipeline system

1. Tighten the connection bolts

2. Replace the sealing gasket

3. Repair or replace the subsea valve or oil drain valve

4. Clean the tank body as described previously and make repair welding



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