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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: stevieg on January 31, 2015, 05:01:06 pm

Title: pump not switching off when flow stops
Post by: stevieg on January 31, 2015, 05:01:06 pm

As above?

Title: Re: pump not switching off when flow stops
Post by: Don Kee on January 31, 2015, 05:23:13 pm

A bit more like info mate...

Do you use a controller or just use the pumps pressure switch?
If yes, have you calibrated it?
When you say not shutting off, is it building pressure and the popping a connector, or is it 'rattling' when it dead ends?

Title: Re: pump not switching off when flow stops
Post by: Michael Peterson on January 31, 2015, 06:08:39 pm

at a guess you have a sticking pressure switch, take it if and free the button off, other than that your battery has gone flat and not building enough pressue to activate the switch, what pump do you have and ill tell you what to do

Title: Re: pump not switching off when flow stops
Post by: stevieg on January 31, 2015, 09:24:13 pm

Hi Sorry,not enough info!  I dont use any flow controllers and the battery is a brand new 110 amp one.
It blows off the connector to the hose reel if i disconnect or stop the flow.
I have tried turning the small grub screw on the top of the pump(both ways)to no avail.
The pump is a shurflo.

Title: Re: pump not switching off when flow stops
Post by: Mike #1 on February 01, 2015, 06:07:04 am

I assume the pump has a high output so it will blow the connections off , probe better off getting a digital flow controller .

Title: Re: pump not switching off when flow stops
Post by: Dave Willis on February 01, 2015, 08:50:48 am

Pressure switch or air in the system.

I've never fiddled with a pressure switch so don't know which way you would turn the grubscrew.

Title: Re: pump not switching off when flow stops
Post by: Window Lickers on February 01, 2015, 09:26:07 am

New pressure switch is where I'd start.