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The mini trackhoe manufacturer will show you: what to do if the bypass valve of a small excavator fails

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  • Time of issue:2021-10-12 17:15
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(Summary description)The mini trackhoe manufacturer said that many people want to know how to solve the problem of the bypass valve of the small excavator? Today, mini trackhoe manufacturers come to analyze the failure of the central bypass valve of the small excavator.

The mini trackhoe manufacturer will show you: what to do if the bypass valve of a small excavator fails

(Summary description)The mini trackhoe manufacturer said that many people want to know how to solve the problem of the bypass valve of the small excavator? Today, mini trackhoe manufacturers come to analyze the failure of the central bypass valve of the small excavator.

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2021-10-12 17:15
  • Views:
Information

The mini trackhoe manufacturer said that many people want to know how to solve the problem of the bypass valve of the small excavator? Today, mini trackhoe manufacturers come to analyze the failure of the central bypass valve of the small excavator.

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1. The boom is raised, the bucket is digging and unloading at low speed, the mini trackhoe manufacturer tells you that the central bypass valve is stuck in the open position, the oil output of the main pump returns to the hydraulic oil tank, the boom rises and the bucket working circuit is inaccessible, remove it The central bypass spool is cleaned.
2. The boom rises slowly, and there is hydraulic noise when the boom rises: The mini trackhoe manufacturer tells you the reason for the blockage of the boom logic check valve, the pressure oil cannot enter the boom raising oil circuit, and the boom logic check valve is removed .
3. The rocker extends or retracts at a low speed: The mini trackhoe manufacturer tells you that the central bypass spool is stuck in the open position, and the oil output of the main pump flows back to the hydraulic oil tank and cannot enter the stick working circuit. The central bypass valve is removed. clean.
4. The motor starts to rotate, but the engine cannot start: The mini trackhoe manufacturer tells you that the central bypass spool is stuck in the closed position, and the oil output of the main pumps 1 and 2 cannot return to the hydraulic oil tank. The central bypass spool is removed and cleaned.

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