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jonboywalton75

  • Posts: 2222
Air locks
« on: September 21, 2016, 06:51:51 pm »
Seem to  be plauged with air locks in my pump at the  moment
What's the best way to get rid?
Cheers

DaveG

  • Posts: 6347
Re: Air locks
« Reply #1 on: September 21, 2016, 06:55:30 pm »
Stick a non return valve between tank and pump
You can't polish a turd

jonboywalton75

  • Posts: 2222
Re: Air locks
« Reply #2 on: September 21, 2016, 07:38:56 pm »
Cheers Dave

JandS

  • Posts: 4269
Re: Air locks
« Reply #3 on: September 21, 2016, 07:50:14 pm »
Same here...I turn the pump off when changing barrels but still get 2 or 3 minutes of low pressure before it spits the air out...annoying.
Impossible done straight away, miracles can take a little longer.

Tosh

  • Posts: 2964
Re: Air locks
« Reply #4 on: September 21, 2016, 08:26:00 pm »
Can't you install your pump in one of those vacuum boxes Gardiners are selling lately, they prevent air-locks being that there's no air present you can't actually get an air-lock.
*A HISTORY OF THE UNIVERSE - THE SHORT STORY* 'Hydrogen is a light, odorless gas, which, given enough time, turns into people.'

M & C Window Cleaning

  • Posts: 1581
Re: Air locks
« Reply #5 on: September 21, 2016, 10:55:57 pm »
Make sure that any connections between your tank/barrel are completely airtight and If you have half inch hose between your barrels and your pump switch it for minibore (8mm ID). All that extra unnecessary volume in the hose causes a problem when you get air in it.
Once I did this my pump clears airlocks in about 2 seconds flat. You also need to disconnect the hose from the output side of the pump whilst clearing the airlock so there is no hindrance form back pressure. On my trolley I've made this easy by cutting the hose about six inches away from the end nearest the trolley and inserting a JG connector in the hose. Others have done it by not using a waterstop connector on the trolley and disconnecting there.
I empty most of my barrels everyday and airlocks are never a problem with this setup

jonboywalton75

  • Posts: 2222
Re: Air locks
« Reply #6 on: September 22, 2016, 07:56:56 am »
Thanks M & C
I have got half inch hose on the line into the pump

JandS

  • Posts: 4269
Re: Air locks
« Reply #7 on: September 22, 2016, 09:19:24 am »
What difference will putting a JG connection near the trolley.......there's a connection 10m from it.
Impossible done straight away, miracles can take a little longer.

M & C Window Cleaning

  • Posts: 1581
Re: Air locks
« Reply #8 on: September 22, 2016, 06:44:33 pm »
What difference will putting a JG connection near the trolley.......there's a connection 10m from it.

When priming the pump (clearing an airlock) you want as little back pressure as possible. The way to achieve this is to disconnect the hose on the output side and as close as possible to the pump. 

JandS

  • Posts: 4269
Re: Air locks
« Reply #9 on: September 22, 2016, 07:54:33 pm »
Got it.
Impossible done straight away, miracles can take a little longer.

jonboywalton75

  • Posts: 2222
Re: Air locks
« Reply #10 on: September 23, 2016, 10:57:23 am »
I have fitted some old microbore between my pump and my reel, in place of  13mm tricoflex
Flow is great and eventually got rid of the air locks
Cheers for the help lads
That's what this forum is for eh!!!

Tom White

Re: Air locks
« Reply #11 on: September 23, 2016, 07:04:56 pm »
Place your pump(s) as low down to your van floor as possible.

jonboywalton75

  • Posts: 2222
Re: Air locks
« Reply #12 on: September 23, 2016, 07:37:36 pm »
Mine is already as low as possible.
Thanks Tosh

JandS

  • Posts: 4269
Re: Air locks
« Reply #13 on: September 23, 2016, 07:50:48 pm »
Mine too.
Impossible done straight away, miracles can take a little longer.