Author Topic: Water hand pump  (Read 887 times)

Offline heston

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Re: Water hand pump
« Reply #15 on: October 15, 2019, 10:45:28 PM »
Hi, our hand water hand pump started leaking a few days ago, when out camping. It is firetail, 2017 also. Does this sound like your problem?

Offline Luigi

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Re: Water hand pump
« Reply #16 on: October 16, 2019, 10:00:44 PM »
Our hand pumps also failed on our Mk3. I cut new diaphragms from Target ice block moulds and fitted them. Probably don't work quite as efficiently as genuine diaphragms but do work and have lasted now for at least 2 years.

Offline lister17

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Re: Water hand pump
« Reply #17 on: October 17, 2019, 12:39:19 PM »
I have seen a lot of comments on here regarding these diaphragms and many people replacing them and i'm just wondering if the diaphragms are being "flexed" before tightening the screws? its something i was taught when doing fuel pump diaphragms.....Please note i have not disassembled mine as yet cos they aint leakin.......(i have got a kit proved by the previous owner)
Cheers
06 4.2 Coily Ute
2015 Murranji

Offline gibbo

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Re: Water hand pump
« Reply #18 on: October 17, 2019, 08:59:16 PM »
Hi Lister could you give a short/quick explanation on how its done?
2010 MK11 Canning
120 Prado-petrol

Offline lister17

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Re: Water hand pump
« Reply #19 on: October 18, 2019, 09:30:21 AM »
Hi There, The theory goes that a diaphragm wont move freely if its clamped tight in a relaxed position. With fuel pumps we would fit the new diaphragm and put all the screws back in finger tight the move the lever of the fuel pump to its maximum compression. Whilst holding the lever in this position we would then tighten the screws. This gave the diaphragm that little bit extra free movement and also take the stress out of the diaphragm. I've noticed on my hand pumps that they are quite hard to move back and forth and thought i would disassemble them at some stage just to gauge there condition.
06 4.2 Coily Ute
2015 Murranji

Offline William_Foster

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Re: Water hand pump
« Reply #20 on: October 18, 2019, 11:09:07 PM »
MarkA, do the holes line up with the standard pump? Or did you have to drill different ones?
2018 Tvan Scout
2013 Toyota Hilux SR5

Offline gibbo

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Re: Water hand pump
« Reply #21 on: October 19, 2019, 08:44:17 PM »
Thanks for that info Lister.
2010 MK11 Canning
120 Prado-petrol

Offline MarkA

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Re: Water hand pump
« Reply #22 on: October 20, 2019, 07:04:59 AM »
I needed to make a cover plate and drill a large single hole in it to fit the alternative pump, a hole saw from Bunnings and a little file work sorted it.
200 series LandCruiser
Canning Mk 3
And a Mountian of stuff I don't think we need but apparently it's vital camp equipment.

Offline William_Foster

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Re: Water hand pump
« Reply #23 on: October 21, 2019, 10:05:58 PM »
Thanks MarkA
2018 Tvan Scout
2013 Toyota Hilux SR5