Clean It Up

UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: Frank pole on August 18, 2008, 09:25:01 pm

Title: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 09:25:01 pm
I`ve noticed that the shurflo pump on one of my vans is pulsing, I also remember reading that a few of you had the same problem! - can anyone tell me how to fix this problem?
Title: Re: Shurflo pump pulsing problem
Post by: kris martin on August 18, 2008, 10:07:51 pm
i had this the other day...
Title: Re: Shurflo pump pulsing problem
Post by: NWH on August 18, 2008, 10:18:25 pm
Could be air or a leak somewhere.
Title: Re: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 10:28:01 pm
Its not an air leak as I`ve taken it out the van and tested it in the workshop - 1 meter of hose on the inlet & 1meter of hose on the outlet - I wonder if the pressure setting is to low ( the allen key on top of pump )
Title: Re: Shurflo pump pulsing problem
Post by: L.J.Thorpe on August 18, 2008, 10:29:25 pm
I`ve noticed that the shurflo pump on one of my vans is pulsing, I also remember reading that a few of you had the same problem! - can anyone tell me how to fix this problem?
when you say "pulsing" do you mean when flow is off or when floww is on ???
if its when flow is off this is cycling and is caused by a leak of water somewhere in system so pressure drops and pump takes up "slack" if its intermittent flow problem then adjust vari/check pressure switch depending on setup
Title: Re: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 10:32:49 pm
Its when the pump is on
Title: Re: Shurflo pump pulsing problem
Post by: NWH on August 18, 2008, 10:34:19 pm
Connection alright is it.
Title: Re: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 10:38:04 pm
its all connected fine - but i am now starting to think it might be the flowmaster (again) - is anyone using the controller+ that cleaning spot supply with the charger built in to it?
Title: Re: Shurflo pump pulsing problem
Post by: L.J.Thorpe on August 18, 2008, 10:50:44 pm
dont know about flowmaster
a badly set up varistream does the same thing tho
Title: Re: Shurflo pump pulsing problem
Post by: NWH on August 18, 2008, 10:53:27 pm
its all connected fine - but i am now starting to think it might be the flowmaster (again) - is anyone using the controller+ that cleaning spot supply with the charger built in to it?
Now you`ve said that i`ve had the same problem and it was the reason i changed to a varistream,it ended up blowing up 3 fuses and 2 flow controllers,i think it`s the voltage or amp of the pump that`s not compatible with the controller.
Title: Re: Shurflo pump pulsing problem
Post by: [GQC] Tim on August 18, 2008, 10:54:25 pm
its all connected fine - but i am now starting to think it might be the flowmaster (again) - is anyone using the controller+ that cleaning spot supply with the charger built in to it?

Charge your battery properly. Could be another thing to check.
Title: Re: Shurflo pump pulsing problem
Post by: NWH on August 18, 2008, 10:56:47 pm
For the last reason i suggested shurflo have now changed there pumps to run with the varistream because it was giving these problems.
Title: Re: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 11:03:25 pm
If I find it is the flowmaster causing the probs then I might even go back to the diverter valve setup as I has no problems with that setup! its since ive been using controllers that Im getting all these problems - Im on my 5th controller in 3 years!
Title: Re: Shurflo pump pulsing problem
Post by: NWH on August 18, 2008, 11:05:19 pm
Can`t you just by pass the flow master and then you`ll know.
Title: Re: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 11:08:22 pm
yes I will be testing the pump on its own in the morning - I know its not the battery its giving a reading of 13.1 volts!
Title: Re: Shurflo pump pulsing problem
Post by: adixon on August 18, 2008, 11:26:06 pm
had this problem twice myself changed pressure switch on the pump and now works fine bought a couple as spares and then found out all you need to change is a small part in the switch that costs about 50p will be buying some of them
Title: Re: Shurflo pump pulsing problem
Post by: john tomkins on August 18, 2008, 11:43:26 pm
If you need the pressure switch remove it from the pump , then just go to Maplins and match it to their microswitch which is just over £1.
Title: Re: Shurflo pump pulsing problem
Post by: Frank pole on August 18, 2008, 11:45:23 pm
good idea - cheap as chips!