Tractor gearbox troubleshooting

1. Automatic skipping If the internal gears of the auxiliary speed sliding gears are worn, the sliding gears are thrown off under heavy load, and the gears are automatically cut and skipped. The auxiliary speed sliding gears should be replaced; if the auxiliary transmission forks are worn or deformed To make the sliding gear produce axial shift skipping, the shift fork should be replaced; if the shifting rod is not pushed to the bottom, the sliding gear will be thrown off the skipping gear, and the shifting rod should be pushed to the end; if the steel ball and the shifting fork are locked The lock groove of the shaft is heavily worn, which causes the spring force of the lock spring to weaken and cause skipping. The lock spring can be repaired or replaced.
2. Difficulties in gearing If the fixing screws fixing the fork on the fork shaft are loose, the screws shall be tightened and hung tightly with the wire; if the gear is severely deformed or worn due to the gear shift fork, it shall be dismantled for inspection, repair or replacement of new parts; Due to improper operation, the chamfered side of the gear is disintegrated or deformed, and the gear chamfering should be repaired or replaced; if the locking spring is too large and the transmission lever or fork is distorted, the relevant parts should be repaired or replaced Rod and shift fork.
3, gearbox fever if the gear shaft oil level is too high or too low and the gearbox fever, should control the pinion oil surface within the specified range; if due to bearing assembly is too tight or the bearing is locked, so that local Parts in the heating area are severely worn or malfunctioning. Replace the bearing or replace worn parts.
4. Transmission oil leakage If the gaskets on each connection surface are damaged or have dirt, you should clean the dirty material or replace the gasket. If the oil seal spring falls off, replace the new oil seal.
5. If there is abnormal sound in the gearbox, if the gear oil in the gearbox is insufficient or insufficient in viscosity, the gears will generate heat when the gears are heated and generate abnormal sounds. The gear oil should be checked frequently and added or replaced in time; Severe wear, or gear and shaft spline wear, abnormal sound when working, should be checked and repaired one by one, or replace the gear and gear shaft splines; if due to the gear shaft positioning collar or locking nut loose Take off, should be fixed lock nut and positioning retaining ring; if due to wear of rolling bearings, so that the spacer ring, spacer sleeve damage and produce noise, should replace the rolling bearing and spacer, spacer.

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