There are roughly three reasons for the tractor to be weak: the engine is weak; the drive belt is slipping; the clutch is slipping. How to diagnose it? Start the engine first and disconnect the clutch. After the gear is engaged, the brake pedal is depressed to put the vehicle in a braking state. Increase the throttle, slowly engage the clutch, and observe the tractor's operation. 1. If the diesel engine emits black smoke at this time and does not increase the speed, or even extinguishes the flame, the engine is weak. 2. If the diesel engine is running normally at this time, the tractor has a tendency to move forward, but there is a rubber burnt smell, accompanied by a “click†sound, indicating that the drive belt is slippery. 3. If the diesel engine and the transmission belt are working normally at this time, the tractor is still in place and has abnormal noise, indicating that the clutch is slippery.
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