If the digging machine suddenly discovers that the digging machine's big arm has no power during the project, we must look for the following reasons:
1. The hydraulic oil is dirty and the tubing is blocked.
2, distributor total pressure valve failure.
3, hydraulic oil is not enough, or the oil temperature is too high to dig pit machine arm no power phenomenon.
4, multi-way valve failure.
5. Check all solenoid valves of the digger.
6 Arms with separate movements should not consider the digging pit electrical control problems.
1. The hydraulic oil is dirty and the tubing is blocked.
2, distributor total pressure valve failure.
3, hydraulic oil is not enough, or the oil temperature is too high to dig pit machine arm no power phenomenon.
4, multi-way valve failure.
5. Check all solenoid valves of the digger.
6 Arms with separate movements should not consider the digging pit electrical control problems.
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