1. Before each time the material inlet is opened, the pressure relief valve and the inlet valve must be opened. After the remaining gas in the tank is removed, the lid is opened to avoid injury. 2, always pay attention to whether the pressure gauge is working properly, prevent the failure of the pressure gauge, overpressure, and the explosion of the tank exploded. 3, often check the safety valve, to ensure pressure relief at 0.2Mpa, the tank body pressure shall not exceed 0.2Mpa. 4, often check the operating table is working properly, so as to avoid over-rotation and damage to the air compressor and power take off (specifically refers to the powder tank bicycle). 5. Always listen to the sound of the PTO and air compressor. If there is abnormal sound, stop the machine immediately to eliminate the malfunction. Our Ganland factory has many spare parts for the wing body trucks, including the over center lock latches, bottom door hinge, spring boosters etc. For the over center fasteners, we have the weld-on type, bolt-on type with spring and hook. For the hinges, we have stamping hinge with five holes or three holes, also we have die casting hinge with left and right parts. For the spring booster, ours has 15kgs and strong spring and high quality hardwares, so it can help to lift closing and opening the side door which has more than 200kgs by hand without much laborious. Wing Van Trailer Hinge,Door Gear Flush Handle,Tail Gate Latch,Tail Gate Lift Assist Jiaxing Ganland Auto Parts Co., Ltd. , https://www.ganlandparts.com