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The maintaince of semi trailer


The use's guide of semi trailer 

1. Before put the semi trailer into application , please do the necessary inspection task according to the instruction and  tighten the screws . 


2. Lubricate all parts according to the lubrication diagram .



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Adjust the balance degree between balance beam and the spring leaf . 

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Adjust the braking arm . 


4.Within the first mileage of 300km , it's better to just carry the goods which is just equal to the 80% of the semi trailer's related payload . It's aim to make the semi trailer has a good adaptive phase before full loaded . 


5. After a mileage of 30-50km , the driver should check whether there's any abnormal phenomena of fever or noise on hubs and suspension bearing . If the abnormal phenomena is founded , the driver should drive the semi trailer to a repair store to find the etiology and deal with it soon . 


6. After a mileage of 300-500 km , all the screw and bolts should be tightened . 

7. After a mileage of 2000km , may the tire need to be replaced . 

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8. Adjust the wheelbase according to the diagrammatic sketch on the trailer body . 

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