Have a small Problem

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pupQuark
Posts: 32
Joined: Tue Feb 15, 2011 8:00 am

Have a small Problem

Post by pupQuark »

I am getting back into pumping after a hiatus. But when I tried pumping with my pistol grip pump, I am not getting much suction. I generally prefer the bilge type pumps. Does anyone know where I can find these types of pumps at a fairly decent price online? I have tried but all i can find are the electrical pumps from marine stores. The kind I am looking for is usually Brass with red rubber, and a plunger type mechanism.
pipefitterdom
Posts: 2399
Joined: Fri Dec 10, 2010 11:11 pm
Location: South Texas

Re: Have a small Problem

Post by pipefitterdom »

pupQuark wrote:I am getting back into pumping after a hiatus. But when I tried pumping with my pistol grip pump, I am not getting much suction. I generally prefer the bilge type pumps. Does anyone know where I can find these types of pumps at a fairly decent price online? I have tried but all i can find are the electrical pumps from marine stores. The kind I am looking for is usually Brass with red rubber, and a plunger type mechanism.
Get a brake bleeder kit from Harbor freight. It even has a moisture collector included.
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SFBallpumper
Posts: 1233
Joined: Wed Nov 01, 2006 5:44 pm
Location: Riverside, CA

Re: Have a small Problem

Post by SFBallpumper »

For a plastic trigger-type pump, Mity-Vac is the brand that I've seen most often at pump sites. Mityvac makes a bunch of different models:
http://www.mityvac.com/pages/products_hvp.asp
Their model MV8010 is popular. Here it is on Amazon:
http://www.amazon.com/gp/product/B0051X ... w_g263_i20

The Mityvac "Selectline Superpump" pumps twice as much air out as their other ones with each stroke but it doesn't come with a gauge.
On Amazon:
http://www.amazon.com/Mityvac-MV8121-Se ... +Superpump

For the metal trigger pump, I've seen the Actron CP7830 a lot. It's less likely to break than the Mityvac plastic models, but at least to me, the trigger handles aren't as comfortable. On the other hand, it comes with a gauge.
http://www.actron.com/product_detail.php?pid=16177
They're available on Amazon:
http://www.amazon.com/Brake-Bleeder-Vac ... JX2VH0YFQT
Harbor Freight has a similar one:
http://www.harborfreight.com/brake-blee ... 69328.html

The bilge pumps I've seen look like the ones made by Jabsco. Jabsco makes two models. The smaller one (the standard size) is called "Little Pal." Jabsco also makes a larger one called "Handy Boy" that sucks a larger volume of air with each stroke. Here's the spec sheet on both of them:
http://www.jabscoshop.com/files/UTILITY ... doc561.pdf

The Little Pal on Amazon:
http://www.amazon.com/Industries-Rule-H ... SH3MF3ANNW

The Handy Boy on Amazon:
http://www.amazon.com/Jabsco-33799-0000 ... 1V0X1TRJEH
It’s the pleasure of the pressure...
Swedishpumper38
Posts: 26
Joined: Mon Sep 30, 2013 3:12 am
Location: Sweden

Re: Have a small Problem

Post by Swedishpumper38 »

I remade a bicyckelpump so instead of pump it sucks.
A very cheap and effective pump:)
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mch
Posts: 130
Joined: Wed Feb 08, 2006 10:05 am

Re: Have a small Problem

Post by mch »

Hey pupQuark, don't throw that pump out just yet!

Have a close look if it is a quality type pump that can be disassembled. If you can open it, closely examine the plunger/piston type apparatus for wear. If you are lucky it will have a rubber O-ring which can be replaced. Do that if you can and you may find you get some or all of your suction back without the expense of buying a whole new pump.

If it is a cheaper pump that can't be disassembled, and you now consider it a throw away, you may like to try a normally NOT recommended practice - try pumping some water through there. You might start with warm mildly soapy water, flush that out with plenty of clean plain warm water, then try pumping air through to expel most of the remaining water. Allow pump to dry out over the next day or so then try to pump a little silicone based lubricant through there. Obviously if there is a gauge attached you would need to remove that before pumping any liquids to prevent the guage being irrepairably damaged. If you are lucky you may find your pump gets some or all of its suction back.

Good luck with that!
-= ... mch ... =-
pupQuark
Posts: 32
Joined: Tue Feb 15, 2011 8:00 am

Re: Have a small Problem

Post by pupQuark »

mch wrote:Hey pupQuark, don't throw that pump out just yet!

Have a close look if it is a quality type pump that can be disassembled. If you can open it, closely examine the plunger/piston type apparatus for wear. If you are lucky it will have a rubber O-ring which can be replaced. Do that if you can and you may find you get some or all of your suction back without the expense of buying a whole new pump.

If it is a cheaper pump that can't be disassembled, and you now consider it a throw away, you may like to try a normally NOT recommended practice - try pumping some water through there. You might start with warm mildly soapy water, flush that out with plenty of clean plain warm water, then try pumping air through to expel most of the remaining water. Allow pump to dry out over the next day or so then try to pump a little silicone based lubricant through there. Obviously if there is a gauge attached you would need to remove that before pumping any liquids to prevent the guage being irrepairably damaged. If you are lucky you may find your pump gets some or all of its suction back.

Good luck with that!

I already did that... ALL of the rubber had dry rotted and cracked, and the diaphragm's support was broken... must have happened during a move.
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