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    Mark 7—help!

    I have two self serves using a Mark 7 that I bought new in 2020. On one of the bays I randomly loose high pressure and low pressure when a customer is using it. I get an NST code on the drive. This apparently is a condition not a fault. Hafer group techs, have called Mark 7 but have no idea why...
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    Hi PH-what to use

    I bought a new single arm Kondor. The machine is working ok, I’m using all Simoniz chemicals. Cars that come in some what dirty, are leaving with a visible layer of dirt. No matter what I try, I have up the chemical, dwell time and it’s not working. I also slowed down the passes with the high...
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