1, complete the daily maintenance of equipment tractor.
2. In addition to daily maintenance, clean and wipe the dust and oil on the surface of CNG tractor components and inside the car body.
3, check and adjust the pedal stroke of the indicating device, from opening the start switch to the vehicle should have a proper stroke.
4, check whether the car protection circuit is working normally. That is, open the electric lock, short-connect the traveling motor armature connector with the housing, if the relay is drawn, the indicator light is normal.
5, maintenance should check the traction seat components, especially traction pin, traction pin plate, half transverse shaft wear, and lubrication of these parts.
6. Tighten the bolts of the support seat and replace the bolts if necessary. Adjust the clearance between the lock hook and the traction pin. The adjustment method is to adjust the screw and lock the nut after the adjustment.
7, when disassembling the fifth round of inspection, pay attention to check whether the fifth round itself has cracks or serious wear. If there are cracks or serious wear, traction seat deformation or too thin, should be replaced with a new. Check the keyhole and use the traction pin for matching inspection. If the wear exceeds the limit and the matching gap is large, it can be repaired by surfacing welding and machined to the required size.
