Forums > Kitesurfing General

pump repair advice needed

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Created by GranG > 9 months ago, 1 Jan 2008
GranG
WA, 257 posts
1 Jan 2008 4:09PM
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New pump that came with kite packed up for no reason suddenly - used for about 5 weeks. Same thing happened to a friend a few weeks back - same pump.

It worked the previous session, and it did not pump the next time we used it. Don't recall anything major, other than the usual chuck in the back of the car and run...

Note: Yes, I am to cheap to go buy another one and feel slightly cheated that a new pump would die so quickly.


What's wrong? I can blow air straight through from inflate to deflate and it does not generate any pressure when pumping. I have unscrewed and cleaned it, checked all the seals etc... it looks perfectly normal inside...

Anyone had similar problems and solved it? very weird. Since there is two of us with the same problem in a short while, I thought someone may have had a similar experience and come up with a solution... or at least found out what's wrong.

00 Jarrod 00
QLD, 60 posts
1 Jan 2008 5:46PM
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yes i have the exact same problem. brought the pump about 4 weeks ago and it suddenly decides to not worked. When you try and pump kite up air seems to go through deflate hole :s. Dono how to fix it..........

kitecrazzzy
WA, 2184 posts
1 Jan 2008 5:04PM
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what brand was it, flexi foil?

sandblaster
QLD, 32 posts
1 Jan 2008 6:06PM
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Mee too.....a Cabrinha pump

loco4olas
NSW, 1525 posts
2 Jan 2008 12:38PM
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Take it back to the retailer-under Australian consumer legislation it's still under warranty.

GranG
WA, 257 posts
2 Jan 2008 11:59AM
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loco4olas said...

it's still under warranty.


Thanks... will do that

My initial thought was that there may be an "easy fix" - I have not specified brands as I have not approached the retailer yet (who is probably having a deserved break spending his xmas shopper bonus...)

ta

Scottyyoung
NSW, 129 posts
2 Jan 2008 3:12PM
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Well i left my newish cabrinha pump kiting at coloundra the other day.. So i bought a cheapy pump from a shopping centre.. Went to wellington point for a kite new years day .. early and still hung over..The new pump couldnt pump a strut and then a few more pumps the the main shaft snapped...Straight in the bin...Wrecked the morning by not able to kite wello for the first...Top spot..

bmac
VIC, 40 posts
2 Jan 2008 9:16PM
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My experience with pumps is that the cheap 20 buck ones are exactly the same but don't usually have the metal centre shaft. I've broken several bits and pieces of pumps (usually the hose) and have bought a cheapo, then swapped all the bits out of it into the original casing. works fine and less than half price of a "kite" pump

general_dude
WA, 150 posts
4 Jan 2008 10:06AM
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Hi Guys,

I had exactly the same problem. Cabrinha pump.
2 months old, but pretty well used.
No idea how to fix either, my seals etc all seem ok & I can blow through it either way.

Went to Ranger Camping as local instructor said just as good. $29.95 later I have a yellow 2x2000ml pump that I reckone is EXACTLY the same as the Cabrinha. It seems that Cabrinha just buy these guys pump, add their decals/logo plus a couple of holes & the string/knob thing & away they go.

If someone does work out how to fix please post it. I reckon it is probably something minor & guess it is the valve the directs air between chambers. I'll have a fiddle one day when there is no wind.

4 Jan 2008 12:44PM
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I would take it back in the first instance.
Second, I would pull it apart, the problem is in the valves. There are small circular flaps inside the valves, that must sit on a small extrusion in the centre of the valve body, they will have become dislodged. Put them back the the pump will work as new.

Cya and

Goodwinds

Steve

colinwill78
VIC, 1395 posts
4 Jan 2008 2:45PM
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Another of my dodgy repair suggestions that works for me.
Fill it with warm to hot clean soapy water and then pump a bucket of this water through it.
It might also be good to put a bit that greasy stuff back on the seals and the pump shaft and inner casing afterwards, but most of it will still be there.

lotofwind
NSW, 6451 posts
4 Jan 2008 3:26PM
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Or harden up and buy a foil

Poostanceboy
NSW, 19 posts
5 Jan 2008 2:34PM
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My cabrina pump did the same thing and i managed to fix it
what you need to do is unscrew the bottom part of the pump (the large disc), inside the shaft you will find a smaller tube, take this out clean it and push back in as hard as you can, re assemble pump and test, if this works take apart again as that same part will come loose again, super glue the inside of this tube and push back up again

hopefully this will work no promises
good luck

GranG
WA, 257 posts
5 Jan 2008 6:00PM
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Poostanceboy said...

(the large disc)


yeah, I thought it was something in the shaft, but I can't unscrew the bottom disk... I think it is glued and is worried I'll break it and loose the warranty option... I phoned the shop today and we'll sort it out Monday... if no luck I will try

Steve.. the two round seals are both in-tact on both sides...

kitepilotoz
QLD, 181 posts
6 Jan 2008 1:17AM
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There is a secondary tube inside the main stem
this is for the the return air
sometimes it becomes dislodged
and if you cant separate the main stem from
the handle or base
Its stuffed!!
I'd also bet they all come from the same factory!!

Willwill
WA, 4 posts
17 Feb 2008 11:32AM
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hi

same thing happened to my new airush pump. Second time out it failed to generate pressure, seems to want to pump air out through the deflate socket.

Have taken the pump aprt, cleaned it, lubed it, all to no good.

will take it back to the shop, but suspect they will want to send it back to airush leaving me without a pump for a week of seabreezes (possibly)

any suggestions??

manicskier
VIC, 772 posts
17 Feb 2008 2:25PM
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Borrow one from another kiter at the beach - ask a friend if they have a spare, since new kites come with one usually, most kiters will have a couple at least. Except me, i keep busting them too. And the Coleman brand ones are nood good aren't designed for very high pressure and the top just pops of on the upstroke.

18 Feb 2008 10:26AM
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GranG said...

Poostanceboy said...

(the large disc)


yeah, I thought it was something in the shaft, but I can't unscrew the bottom disk... I think it is glued and is worried I'll break it and loose the warranty option... I phoned the shop today and we'll sort it out Monday... if no luck I will try

Steve.. the two round seals are both in-tact on both sides...



Sometimes they look like they are ok but they have become dislodged from the plastic post in the centre of the valve body. Pry the valve out of the large piston (disc) and check that the circular rubber flap is firmly seated on the post in the centre of the valve body.
These are very simple pumps, if you carefully disassemble them it will be obvious what is wrong.
When re-assembling put plenty of vaseline around the edges of the larger circular piston and smear some on the inside of the pump cylinder.

Clean out all sand and crud with newspaper or old rags. Clean is good when it comes to pumps!

Cya and

Goodwinds

steve



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