
Technical Support – Vehicle Wash
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40GPM Grundfos Pump Service Video
Vehicle Wash
Technical Documents
FAQs
I am getting no flow from my injector.
My injector won’t draw chemical.
My nozzle stream is failing to rotate (Lasering).
No flow, low flow, or not enough impingement.
How to prime your pump.
The flow to the arch/applicator is too low.
The pump is making a lot of noise.
The pump is operating, but delivering little or no water.
The pump operates, but will not regulate to 200 psi.
The pump won’t start or run at full-speed.
The system will not regulate up to 200 psi.
The valve won’t open or is leaking air.
Too much impingement, nozzle is causing damage.
Water is going around the nozzle and not through it (Blow-By).
Water leaking out of the exhaust mufflers on the air solenoid manifold.
How to clean your wye strainer.