If the pressure washer operates jerkily, it is possible that the plastic bypass valves on the pump have become leaky. The car wash does not create pressure. Plastic valves can be repaired yourself. My mini-washer "Expert ABW-VSC-90P" worked actively, without breakdowns, for 7 years.
Repair of the high pressure washer is also necessary if vibration occurs and it produces weak pressure. New plastic valves are not always available for sale, so I polish them with my own paste.
If the high pressure washer operates jerkily, there may be several reasons:
- water leaks through the housing or hose due to a leak;
- the filter on the inlet pipe could be clogged, and the holes on the nozzle could be clogged;
- the bypass valves have ceased to function fully;
the piston rod of the microcircuit shutdown lever is jammed;
- the spring has weakened, so it does not return the lever to the required position when the pressure drops.
If the washer stops creating pressure, then the following causes of malfunction are possible:
- the water tap is turned off;
- the valves are clogged with debris;
- there was air in the pump.
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Video sections (chapters):
0:00 Introduction
0:29 Washer runs jerkily
0:41 Checking the cleanliness of the water filter and gun nozzle
1:44 Disassembling the pressure washer
4:48 Disassembling and grinding pump valves
7:05 Checking the tightness of the pump valves
7:49 Assembling a pressure washer
10:10 Checking the operation of the high pressure washer
10:27 Conclusion
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And in this video I will show you how to make a carport with your own hands • Навес для машины своим...
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