FAQ
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The Large Pump Cannot Produce Pressure
The motor can rotate, but there is no pressure or the large pump cannot produce pressure.
1. If the solenoid coil of the pump solenoid relief valve or pressure proportional valve does not suck or the internal valve core is stuck by debris, remove it and clean it. At the same time, check whether the solenoid coil is burnt, whether the wiring is loose, or the contact is poor.
2. The oil pump is damaged, repair or replace the oil pump
3. The oil level is too low, causing the pump to be empty.
4. Is the oil filter blocked?
5. Whether the motor reverses and commutates?
6. If there is air in the oil pump, deflate it first.
7. The main valve core controlling the overflow valve of the large pump is stuck. Remove the overflow valve and clean it.
