Pump

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Permalink Reply by James P on July 9, 2009 at 1:23pm

I have both SS and brass in my gear.

SS is best and I would prefer to use it everywhere if it was not for the cost. However if you treat brass right it will be just as good (i.e. ensuring you have cleaned the brass to remove lead deposits etc).

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Permalink Reply by studio1 on July 9, 2009 at 12:40pm

Thanks MIke, that would be handy as.

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Permalink Reply by Mike Neilson on July 11, 2009 at 12:49pm

Just breaking mine in as we speak this is stupid easy, its almost boring!! oh well more time to do other things such as?

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Permalink Reply by studio1 on August 17, 2009 at 5:15pm

Hey Mike & Joseph - have you had any issues with your pump leaking? Mine seems to be leaking a bit out of the bottom casing.

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Permalink Reply by Joking on August 17, 2009 at 5:20pm

Take that non-return valve out from the inlet... it's probably melted and giving you issues there. You dont need it if the pump is below the outlet.

Also - check the 3 bolts on the cover plate - one or two may be lose. If not - replace the O ring in the front.

If it's ;eaking out the shaft seal - it's over rover. Too much pumping into a closed valve!

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Permalink Reply by studio1 on August 17, 2009 at 6:39pm

sweet - got the non return out after some prying - and it was a bit melted. Tightened the 3 bolts on the cover plate - the o-ring looked ok.

What/where is the shaft seal?

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Permalink Reply by Joking on August 17, 2009 at 7:23pm

It comes from the motor into the pump - you can't replace these without a new mechanical seal - so fingers crossed you didsn't fuck it.

I always have flow from the output valve: ALWAYS. The minimum I put through is about 2L per minute.

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Permalink Reply by studio1 on August 17, 2009 at 7:28pm

hmm, ok. had lots of moments with the outlet closed. oh well if i have fucked it i'll be getting a march pump when i go to the states lol (and this pump relegated to draining my fish bins on the boat ha!). Also my fly sparging (when I do fly sparge) is slooow. Took me 1hr 10 to get about 32l into the kettle - so I look to speed this up huh?

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Permalink Reply by Joking on August 17, 2009 at 9:29pm

It should be OK to sparge at that speed - I normally drain the tun for the first 20mins, and sparge for 40... each to their own though. I figure I dont want the pump on load for more than half an hour at a time.

I work with pumps every day as a J.O.B and as such get a bit anal about their operation.

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Permalink Reply by martin worswick on August 17, 2009 at 7:28pm

i got this one for 100 plus 15 postage which i thought was a bit of a steal,
http://www.trademe.co.nz/Browse/Listing.aspx?id=230636478

not used it yet though, i have a couple of fittings due to arrive in the next few days then i'm away:-)

james p,how do you clean lead deposits from brass as my fittings are brass

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Permalink Reply by James P on August 17, 2009 at 8:37pm

Have a look at John Palmers online guide to metallurgy.

Under brass, hydrogen peroxide (3%) for 5 mins or until it starts to turn the colour of butter. The first time I did it, I used 6% and had to redo the cleaning again. Easy as and I do it every 2 / 3 months.

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