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Pump is primed. I’m thinking the pump is failing only getting 1/2 the pressure as before

Need some suggestions from you guys PDQ M5. Soap and wax is watery and not foaming. Checked air and had good air flow. Noticed chemical pump pressure was low only about 60 psi. Normally runs over a hundred. I’m hoping the check valve might be blocked and can’t open all the way. if not do you...

Thanks for all the responses. It turned out to be a software problem

Thanks that helps

Guys I just posted this in general comments then realized it might have been better here Does anyone have experience with a PDQ M5? We need to change the oil on the rotational arm gearbox. The ID tag specifies Mobile SHC 630 oil. But we don’t know the quantity needed to fill it. If it helps the...

Hey guys- Any one have experience with PDQ M5? We need to change the oil in a rotation gearbox on a PDQ M5. Does anyone know the amount of oil needed to fill it? The PDQ part number on the gearbox is 800024. The tag specifies Mobile SCH 630 oil. Thanks

when I’ve gone in the prox sensors (all) have been lit I’ll try and check the next time I catch it doing it’s. Also when it failed to rinse the next car in line went through and it worked fine.

I appreciate the help. incorrect and the check valve can be rebuilt. Or am I better off putting in a new one

Hi guys new to the car wash business so I’m in a sever learning curve. working on a laser wash m5. this is a sporadic problem occasionally during a wash the water will not come on during the rinse cycle. Arm will traverse around the car but no water. any suggestions