Dongguan Kodo Tech Co., Ltd
Let's have the flow under control
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Malfunction | Cause | Solution |
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The pump is running but does not absorb water |
problem with the water supply | Open the water supply valve Confirm whether the water supply line is in a folded state Do not allow air to enter the water supply line |
| The pump is running but fails to meet the pressure requirements | Water supply line is blocked Air in the pump One-way valve fails or foreign matter enters Pressure regulating valve malfunctions or foreign matter enters Nozzle failure Seal failure | Check the suction line Check the suction line Wash or replace Wash or replace replace replace |
| 1. Sudden vibration when the pump is running 2. Unstable pressure / pulsation, no pressure operation | Inhaled air One-way valve fails or foreign matter enters Damaged O-ring at the lower end of the check valve Check valve damaged overall Component wear The inlet pipe is blocked and the water intake is blocked Idling Accumulator without pressure | Check the suction line Clean safety valve and replace Replace O-ring Replace check valve Replace components Check whether the system is clogged and air leaks, the pump inlet pipe size is appropriate Check whether the inlet pipe is blocked and the size is appropriate Repressurize or replace the accumulator |
| Pressure drop, sudden pressure drop in the pipeline | Seal wear Valve spring broken Worn or damaged nozzle Drain valve blocked Worn or damaged hose Due to throttling, the pump is idling Uninstall | Replace the seal assembly Replace the spring Replace the nozzle Cleaning valve assembly Repair / Replace Check the inlet pipe at the entrance Check if it works |
| Running noise | Bearing wear Idling | Replace the bearing and refuel Check whether the inlet pipe is blocked and the size is appropriate |
| Excessive unloading of overflow saliva | Plunger wear Component / seal wear Too much vacuum Plunger break Inlet pressure is too high | Replace plunger Adjust or replace the seal assembly Reduce the vacuum on the suction side Replace plunger Reduce inlet pressure |
| The crankcase temperature is too high | Wrong choice of lubricant Crankcase oil volume is not suitable | Choose the right lubricant Adjust the oil level to the appropriate amount |
| Crankcase water intake | Humidity is too high Seal wear | Reduce oil seal interval Replace the seal |