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Common causes of the drive shaft and sweeping methods
Source: China Bearing Network Time: 2013-02-12
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The appearance of the problem: when the vehicle is moving; it is noticed that the periodic vibration of the drive train is transmitted to the vehicle body; and the acceleration is significantly different from the taxiing; when the vehicle stops; the engine is not working at various speeds.
Reasons and sweeping methods:
1. The direction of the universal joint fork device is inconsistent.
Sweeping method: from the beginning,
2. The drive shaft is twisted or twisted.
Sweeping method: repair or replace,
3. The parts are loose or the dynamic imbalance is large.
Sweep: repair, balance or replace.
Fault 2, the abnormal sound of the drive shaft:
Faulty appearance: When the car is moving; it is noticed that the transmission shaft announces an abnormal sound; it is particularly noticeable when shifting. When the speed is stable, the movement is reduced or not seen.
Reasons and sweeping methods:
1. The elastic spline is excessively worn.
Sweeping method: should be replaced,
2. The universal joint bearing is worn, bitten and damaged.
Sweeping method: replace the cross shaft or bearing,
3. The center support bearing is worn or burnt.
Sweeping method: replace the fittings,
4, the fasteners are loose.
Sweeping method: tighten from the head.
Faulty three, universal joint or central support bearing heating:
The appearance of the problem: after the car travels for a long distance; it is found that the grease at the center support bearing is liquefied from the oil seal; the parts touched by the hand.
Reasons and sweeping methods:
1. The universal joint bearing or the central support bearing is short of oil.
Cleaning method: add grease,
2. The center support bracket device is not correct.
Sweeping method: proofreading bracket makes the bearing and drive shaft straight,
3, the oil seal is too tight.
Sweeping method: the low speed grinding should be combined to refuel at the cutting edge.
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