Tips for Semi-trailer

a. Check the tire pressure and adjust it to the level recommended by the tire manufacturer.

b. Check the tightness of the tire screws.

c.  Check the brake system for air leakage and test whether it can brake. 

d.  Check the tightness of all nuts, screws and bolts of the suspension. 

e. Check the brake connection of the tractor and the semi-trailer.

f.  Drain the air reservoir and the air chamber equipped with air suspension. 

g. Check all the lamps.

h. Check and make sure that the outriggers are working properly; i Check the wear and tear of moving parts.