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lee_dewing

  • Posts: 3120
wcw backpack PROBLEM
« on: September 28, 2009, 08:29:45 pm »
hi,  all

anyone have wcw backpack, just got one as a backup to my freedom trolley, which battery has died on.

Just used wcw backpack today was quite happy with but the water flow is a little bit slow?
which i am suprised about as 80 psi pump thought it would be blasting out.

anyone else experienced this have i got a dud?
It's o.k but just feel it needs a little bit more welly!

any advice guys
thanks lee.
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Pleasure in the job puts perfection in the work.     - Aristotle

Craig 72

  • Posts: 526
Re: wcw backpack PROBLEM
« Reply #1 on: September 28, 2009, 08:33:13 pm »
Can't say the flow on mine blasts out.Good enough though.
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tomy jackson

Re: wcw backpack PROBLEM
« Reply #2 on: September 28, 2009, 08:37:07 pm »
its sude be 4l a minte
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Dean Taberner

  • Posts: 4164
Re: wcw backpack PROBLEM
« Reply #3 on: September 28, 2009, 08:38:18 pm »
is batt fully charged???
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Blue Frog Systems

  • Posts: 3813
Re: wcw backpack PROBLEM
« Reply #4 on: September 28, 2009, 08:40:14 pm »
Check the fuse. The flow dropped on mine when the fuse went.
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Only those who risk going too far will truly know how far they can actually go

lee_dewing

  • Posts: 3120
Re: wcw backpack PROBLEM
« Reply #5 on: September 28, 2009, 08:55:29 pm »
yep,
battery fully charged, had on about 16hrs charge.

where is fuse?

when backpack showed up it would only work when plugged in with charger, this was because when i opened up found one of the leads was not connected to battery :(
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Pleasure in the job puts perfection in the work.     - Aristotle

tomy jackson

Re: wcw backpack PROBLEM
« Reply #6 on: September 28, 2009, 09:08:05 pm »
its on the red wire to bat
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Blue Frog Systems

  • Posts: 3813
Re: wcw backpack PROBLEM
« Reply #7 on: September 28, 2009, 09:10:44 pm »
Yep, red battery wire in a kind of clear round case.

What's the longest its been charged for ?
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Only those who risk going too far will truly know how far they can actually go

tomy jackson

Re: wcw backpack PROBLEM
« Reply #8 on: September 28, 2009, 09:17:26 pm »
16 houwers
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Sapphire Window Cleaning

  • Posts: 2942
Re: wcw backpack PROBLEM
« Reply #9 on: September 28, 2009, 09:28:57 pm »
Quote from: tomy jackson on September 28, 2009, 08:37:07 pm
its sude be 4l a minte



lol the wcw backpack is not 4litres per minute.
a 100psi pump only gives 5.2 litres per minute and that is flat out.
it should be between 1.5 and 2 litres per minute. my backpack has a flow rate of 2 litres per minute which is more than enough for working WFP.



Matt
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Reaching parts traditional window cleaners can not reach.

tomy jackson

Re: wcw backpack PROBLEM
« Reply #10 on: September 28, 2009, 09:34:54 pm »
i think youl find that its 80 psi in wcw backpak iv just looked on ther site and it says 85 psi but im all most shor mines 80 , my lads is def a dif pump in it ,so i think ther puting in wot ever thay can get hold of
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Sapphire Window Cleaning

  • Posts: 2942
Re: wcw backpack PROBLEM
« Reply #11 on: September 28, 2009, 09:52:25 pm »
the backpacks are from China and they are made for spraying chemicals and pesticides. that is why you have a lance ands nozzles with the backpack.
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Reaching parts traditional window cleaners can not reach.

tomy jackson

Re: wcw backpack PROBLEM
« Reply #12 on: September 28, 2009, 09:59:08 pm »
yes i think we kow that .and youv got the shor flow one ,wicth is 100 psi the other one kone as WCW bp is a hudson one and is yelow
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Sapphire Window Cleaning

  • Posts: 2942
Re: wcw backpack PROBLEM
« Reply #13 on: September 28, 2009, 10:01:22 pm »
my backpack is the WCW one and bright yellow, the shurflo backpack has a flow controller I think or is the omni backpack.
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Reaching parts traditional window cleaners can not reach.

Ian_Giles

  • Posts: 2990
Re: wcw backpack PROBLEM
« Reply #14 on: September 28, 2009, 10:12:48 pm »
My WCW back pack will empty itself in about 5 minutes if I leave the flow on full without restricting it.

Depends on the size jets you have on your brush of course, but on mine (the gardiner brush setup) I have twin jets of water squirting a good 4ft maybe 5ft or more straight up...way too high a flow so I restrict it to about 18 inches.
As a rule of thumb that gives you a flow rate of about a litre per minute, which I find perfect in most situations.

Regarding PSI and flowrate....
You can have a high flow rate with low PSI and the reverse with high PSI!!!

Ian
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Ian. ISM CLEANING SERVICES

lee_dewing

  • Posts: 3120
Re: wcw backpack PROBLEM
« Reply #15 on: September 28, 2009, 10:39:36 pm »
I'm   confused.com ::)

sounds like i'm like craig 72 then.

are the fuses easy to get hold of if thats it?

flows just about good enough but on reading other posts before buying i was under impression water came out a bit too quick, so thats why you needed hozlelock connector with tap to turn flow down.

i have vikan hi-lo brush 2mm jets i think ian.
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Pleasure in the job puts perfection in the work.     - Aristotle

windowashing

Re: wcw backpack PROBLEM
« Reply #16 on: September 28, 2009, 10:46:04 pm »
Quote from: lee_dewing on September 28, 2009, 10:39:36 pm
I'm   confused.com ::)

sounds like i'm like craig 72 then.

are the fuses easy to get hold of if thats it?

flows just about good enough but on reading other posts before buying i was under impression water came out a bit too quick, so thats why you needed hozlelock connector with tap to turn flow down.

i have vikan hi-lo brush 2mm jets i think ian.


Check the flow rate from b/pack - fill up a two litre bottle and time it.  1min = 2Lpm  30sec's = 4Lpm etc etc .


Jets size: Stick a drill bit in the jet to guage what size the jets are. 2mm is a good size IMO.


Ian's right, psi and flow rate are specific to each pump and can vary. The PSi is just the cut off point.  The flow rate is how much water the diaphragm is pushing through.

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lee_dewing

  • Posts: 3120
Re: wcw backpack PROBLEM
« Reply #17 on: September 28, 2009, 11:06:52 pm »
will take the measuring jug out tomorrow ;)
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Pleasure in the job puts perfection in the work.     - Aristotle

tacky

  • Posts: 1575
Re: wcw backpack PROBLEM
« Reply #18 on: September 29, 2009, 08:11:54 pm »
some one said a while back .the wcw backpack pump flow can b adjusted .said their was a screw some where in pump wheir flow can b adjusted . but he didnt say where it was .
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tomy jackson

Re: wcw backpack PROBLEM
« Reply #19 on: September 29, 2009, 08:28:56 pm »
no its psi that the srcue a justs .on the head of the pump is a small srcue holding the cover on under neth is the a juster ,iv not tuched mine ,but iv got a red hat pump looks the same pump and ajusted that one and iv got less flow on it by ajusting it its 80 psi and 4l minet , iv not checed the flow rate now but its def less flow .i run it thow 100m microw ,dont nowe if it wood be dif with sort hose or biger bor hose ,
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