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Low or no Pressure on soap, however High pressure on Rinse

Nknjeim

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Self Serve Carwash with Coleman equipment.
Too many things broke down due to freeze we had last week in Texas...
In one of the bays, I have a low or no pressure on soap (usually high pressure) however high pressure rinse is still working normal.
Anyone can help?
Thanks
 

MEP001

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The check valve under the tank is stuck closed.
 

Nknjeim

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Isn’t it the same valve that feed high pressure rinse too?
I am getting soap but no pressure
 

MEP001

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Rinse is fed by a solenoid. Water for soap comes through the check valve under the tank.
 

Autowarn

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Check for a leak, if it is spurting, it is probably because air is in the line. Check if air is in the line, and check for leaks. It is also a good idea to call for maintenance if the problem is deep in the machine or you don't know what the cause it.
 

Rfreeman

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Agree with Mep. I am in Texas as well running 3 JC pump stands and already replaced 3 check valves because they froze and got shot. Along with that you may have replace the seal kit in the pump as well. I had similar problem replaced the check valve then had to replace the seal kit.
 
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