16. The loader is in a normal running state, and the working hydraulic device (lifting, turning) suddenly cannot be used at the same time
The cause of the problem: damage to the working oil pump, the key grooves of the flower pump on the working oil pump or the key groove of the connecting sleeve or the driving oil pump shaft damage.
Removal method: Replace the oil pump and replace the damaged parts.
17. Work allocation valve (improve the connecting rod, moving arm connecting rod).
Reason: Positioning case damage, positioning steel ball damage, and positioning spring damage.
Removal method: Put back the positioning cover, replace the positioning steel ball, and replace the positioning spring.
18. During the workplace work, the fighting retraction is weak or the bucket fell automatically after the recovery, and the bucket is automatically recycled when there is resistance at the bottom of the bucket
Reasons: The seal in the tomber cylinder is damaged, the large cavity bypass valve is stuck or damaged, and the small cavity overload valve is stuck or damaged.
Removal method: Replace the piston seal, clean or replace the corresponding parts.
19. What is the noise phenomenon generated by the fighting and lift hydraulic system when the loader is working
Reasons: There are very few hydraulic oils in the fuel tank, and the vacuum valve of the hydraulic fuel tank is damaged or tightened. The old chemical oil absorption pipe of the working fuel tank is flattened, the working device is loosen, the inhaled pump inhaled the air pump The main keywords are poorly operated.
Elimination method: Add enough hydraulic oil to achieve its standard value, tighten or replace the vacuum valve, clean the filter element or replace the oil pipe, and replace the main safety valve when cleaning and repairing the main safety valve.
20. When operating the valve stems of heavy -duty shafts and dumping buckets, the oil leaks from the small hole in the rear of the position of the set.
Reason: Damage to valve stems and spring seat rings.
Removal method: replace the ring and tighten
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Post time: Apr-02-2024