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UK General Cleaning Forum => General Cleaning Forum => Topic started by: A Foster on April 05, 2012, 09:52:24 pm

Title: How to prime water pump
Post by: A Foster on April 05, 2012, 09:52:24 pm

Hi all.

I opted to buy a 13hp honda pressure washer and have a question.

Do I need to prime the water pump before starting the machine or will it start drawing as soon as the engine starts.
If it needs primimg, how do I do that? Forgot to ask the supplier and he's closed now.

Thanks

Title: Re: How to prime water pump
Post by: BDCS on April 06, 2012, 12:20:57 am

Run the water through the suction hose then connect to the pump, leave to tickover and wait for the bubbles in the tank and then rev it

Title: Re: How to prime water pump
Post by: AC Pressure on April 09, 2012, 12:15:31 pm

Quote from: A Foster on April 05, 2012, 09:52:24 pm

Hi all.

I opted to buy a 13hp honda pressure washer and have a question.

Do I need to prime the water pump before starting the machine or will it start drawing as soon as the engine starts.
If it needs primimg, how do I do that? Forgot to ask the supplier and he's closed now.

Thanks

As BDCS said but also if it is a new machine you should have an instruction manual with it  ;)  :)

Title: Re: How to prime water pump
Post by: Mike Halliday on April 09, 2012, 04:15:00 pm

if your container water level is above the pump it will gravity feed into the pump, if its lower then the pump will have to pull it through

i used an old wheely bin with the 6ft of hose connected to the bottom, when the bin was full i would lower the hose below the water level and allow it to spurt out, then stick my finger over it, then connect it to the machine...... sound complicated but it was a 5 second job.

i never liked to just stick my hose over the top of the bin and let it dangle into the water

Title: Re: How to prime water pump
Post by: mike roberts on April 11, 2012, 08:12:23 pm

Add drain valve to pump  ;D 

How do you guys restart your machines ?
Do you have to hold your gun trigger to release pressure ?

Title: Re: How to prime water pump
Post by: BDCS on April 11, 2012, 11:48:53 pm

Ah those were the days before electric start - my old pull cord Honda had the valve on the pump head to relieve the pressure and air.

Title: Re: How to prime water pump
Post by: mike roberts on April 12, 2012, 08:25:12 am

Pull cord whats that  ???    ;D

Still helps pump / bat on electric start   ;D ;D

Title: Re: How to prime water pump
Post by: BDCS on April 12, 2012, 05:08:22 pm

Exchange engineering do an easy start valve solely for this purpose

Title: Re: How to prime water pump
Post by: mike roberts on April 12, 2012, 06:09:20 pm

when are they going to start a website ..... can never find mag..

Title: Re: How to prime water pump
Post by: Matt Gibson on April 12, 2012, 07:30:07 pm

Their websites up and running now. got a letter with my last order. They have the catalogue online like dual pumps site.

Title: Re: How to prime water pump
Post by: BDCS on April 12, 2012, 10:05:16 pm

http://www.exchange-engineering.co.uk/ - its pants  :(

Title: Re: How to prime water pump
Post by: Matt Gibson on April 13, 2012, 07:22:13 am

Yeah its not great. they would make easy money if they let you buy direct from the site. although in the letter they said they wanted to start sending invoices via email and payment via bacs