First, the reasons for tractor automatic jumping
1. The internal gear teeth of the auxiliary speed sliding gear are worn out, the sliding gear is thrown off under heavy load, and the gear is automatically cut and skipped.
2. The auxiliary shift fork wears or deforms, causing the sliding gear to shift axially.
3. The shift lever is not pushed to the end, so that the slide gear is thrown off the jump gear.
4. The locking groove of the locking steel ball and the fork shaft is seriously worn, so that the elasticity of the locking spring is weakened and the gear jumps.
Second, the maintenance of tractor automatic jumper
1. Replace the auxiliary speed sliding gear.
2. Replace worn out fork.
3. Push the shift lever fully.
4. Repair or replace the lock spring.
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