1. In order to limit the speed of the new car, install a limited-speed film during the re-run-in period to suppress the power of the new car.
2, poor lubrication conditions. There are tool marks or wear marks left on the surface of the part that form microscopic irregularities.
3, the compressor pressure is low. This type of main cylinder is caused by the leaky airtight seal.
4. The excessive resistance of the drive system is too large. If the clearance between the brake drum and the brake shoe is too small, the phenomenon of braking and biting occurs; the clutch slips and the power output is incomplete; the oil package is over-tightened.
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