Knowledge of the use of electric vehicles: Vehicle maintenance includes checking all cars all screws, nuts are hard to buy three electric cars, the control performance is good, the tires need to be replaced, a mechanical system is good, the battery capacity is three standard small electric car, Brush motor repair once a year. To fill in later maintenance finish. Specific maintenance as follows: (1) comprehensive debugging vehicle, check the electrical control wiring for three-wheeled electric car hidden faults, if any should be excluded on the spot; before and after (2) adjusting the brakes, brake to ensure flexible and reliable; (3) handlebar Steering is reliable, if there is mutual sliding handlebar and fork to produce the phenomenon; (4) the battery socket is loose, the battery box lock is working, horn, headlight switch, the button is flexible and reliable; the use of electric vehicles Notes: 1 bicycle the fastening screw nut should be tightened, not loose and fall off. 2, all rotating parts should be flexible operation, may not have stuck, stay stiff phenomenon. Such as: front and rear wheels should be rotating flexible, and should not be jumping up and down and side to side, will have to stop when the front and rear wheels should do a brisk swing, not suddenly stop. Turn the handlebar should be flexible and comfortable around large wheeled electric car, pedal crank shaft and should be tightened, not loose each other, and flexible rotation. 3, shift the car in the right gear speed range strain, shift position should be clear, there is not a neutral middle. 4, the chain should be elastic fit, flexible operation. Forward Reverse repeatedly shake hands crank sprocket, chain flexible operation, not a chain and jump off phenomenon. Three-wheeled electric three-wheeled electric car depot _ _ White Dragon, White Dragon machinery provided by Shandong Machinery Limited. White Dragon Shandong Machinery Co., Ltd. (www.bailonggrp.com) strong, credible, Shandong Linyi bicycles, tricycles and accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the White Dragon machinery and you hand into the brilliant, for a better future!