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Hose barb broke off of floor pump

Old 09-13-17, 10:59 PM
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Hose barb broke off of floor pump

Hey all, my Nashbar L'Orange V2 pump has served me well for 3 years now, but the other day I was taking the hose off to put it on an air compressor (bcos tubeless), and the hose barb broke off. It's a tiny skinny plastic barb that is integral to a 1/4 male-threaded plastic stud which is part of the guts of the pump (to which the gauge screws on).

I contacted Nashbar, and they actually said they'd replace the whole pump -- lifetime warrantee. But I'd have to pay to mail the pump away at my own expense and wait, so I popped into Lowe's and then O'Reilly's looking for air compressor fittings that could get me back in action quicker (and cheaper than shipping).

At Lowe's there was a blowgun kit that contained a small tapered barb that would do the trick, but its back was male-threaded, and I don't know what size, but smaller than 1/4", and finer threads. Lowe's did not have a coupler that would connect that barb to my 1/4" plastic male-threaded stud. O'Reilly's had basically nothing for me.

Any advice on where I might be able to shop locally, and what are the precise names/sizes of parts I should look for? Or other ingenious ways of connecting my hose back to the barbless pump?
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Old 09-13-17, 11:14 PM
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I went through this decades back and my experience was that the fitting was very non-standard and i couldn't find one. In the end I found something in a hobby shop (gasoline airplane bits and pieces) and was able to modify it enough to jam fit it into the pump, using an epoxy filler. It worked fine, but was a one time/last time repair.

You might try your luck calling Nashbar again and asking to speak to the guy with brains (but in a nicer way) and explain that the problem is only with the hose, so would they warranty just that, saving postage for both of you. Odds are they have a good hose, on a returned pump, so doing it this way is win/win.
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Old 09-13-17, 11:44 PM
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The hose is not the problem, it's the barb, which is all of a plastic piece with its threaded base and the unit under the pump which screws into the bottom of the tube on one end and is connected to the gauge at the other.

I asked Nashbar if I could buy just that replacement unit (like off a returned pump), but they said they didn't have any and they would just exchange the pump.

If I can't fix it tomorrow, I plan to completely disassemble it so I can ship it in a skinny box barely bigger than the pump body.
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Old 09-14-17, 05:11 AM
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Why take it apart to ship? They will think you ruined it by taking it apart. Don't be cheap. Pay the snail mail and get the free pump.
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Old 09-14-17, 06:04 AM
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Small hose barbs are usually threaded 1/8" NPT and any hardware or plumbing supply shop should have fittings with that thread.
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Old 09-14-17, 06:52 AM
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Originally Posted by trailangel
Why take it apart to ship? They will think you ruined it by taking it apart. Don't be cheap. Pay the snail mail and get the free pump.
Depending on the size of the compressed pump, it can easily be $30+ just by virtue of the dimensions. When at all possible, ask them (the warranty company) to send you a call tag, and charge you for shipping--their corporate shipping account gets much better rates than you.

As for finding strange sized parts, stop in a welding (gas) supply shop, who have a bevy of different compression fittings.
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Old 09-14-17, 08:43 AM
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Originally Posted by HillRider
Small hose barbs are usually threaded 1/8" NPT and any hardware or plumbing supply shop should have fittings with that thread.
There was a fitting that was 1/4" female on one end, and NPT on the other, but too big, I would guess matching interior diameter with the hose.

Imma just ship it back. Rely on good ol Zefal HP/X frame pump in the meantime. (My Silca Impero needs a replacement washer)
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Old 09-14-17, 08:45 AM
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Originally Posted by wschruba
Depending on the size of the compressed pump, it can easily be $30+ just by virtue of the dimensions. When at all possible, ask them (the warranty company) to send you a call tag, and charge you for shipping--their corporate shipping account gets much better rates than you.
+1 dimensions.

"taking it apart" just basically means taking the base off. It's a triangle, so that and the length of the body will present the limiting dimensions. I plan on fabricating a 'box' out of scrap cardboard.
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Old 09-14-17, 08:52 AM
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For air compressor hoses, there are quick couplers, to swap tools repeatedly... @ LBS we use one tip to blow down , & remove grips..

the 2nd to tire inflate ,with a hose Y 1 side PV the other SV.. from EVT https://www.efficientvelo.com/product/idiot-proof/








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Old 09-14-17, 09:35 AM
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I fixed mine with a brass "1/8 by 1/4 female hose barb," some teflon tape on the threads and a hose clamp. It works but had I known about the lifetime warranty...
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Old 09-14-17, 11:33 AM
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Most "GOOD" hardware stores have a large assortment of brass and plastic barb fittings in the gas appliance/plumbing section
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Old 09-14-17, 02:32 PM
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Originally Posted by L134
I fixed mine with a brass "1/8 by 1/4 female hose barb," some teflon tape on the threads and a hose clamp. It works but had I known about the lifetime warranty...
Yours was Nashbar L'Orange too, same problem?

More details:? 1/8 is the OD of the barb and ID of the hose, and 1/4" female is the back end that threads over where the barb broke off? Hose clamp you used to make sure the hose was secure on the barb?
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Old 09-14-17, 02:38 PM
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Looks like this would fit the bill...

https://www.zoro.com/value-brand-fem...04/i/G2099417/

$7.26 + $5 shipping, I think that would be cheaper than shipping the pump, and probably quicker because of only one delivery direction...
@L134, do you think this is the same as what you fixed yours with?
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Old 09-14-17, 02:49 PM
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And I might be able to get one at a local "Airgas" store...

https://www.airgas.com/product/Gas-E...ngs/p/WESMH-15
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Old 09-14-17, 03:43 PM
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We use what you need on our RC race boats to attach water cooling lines. #10-32 male thread on one end and a 1/8" barb on the other. You would still need to drill the end of the existing plastic part and tap it 10-32. Which means you would need a #21 drill bit, a #10-32 tap, and a tap handle.
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Old 09-14-17, 04:12 PM
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Sounds like a lot of work, and I'm not sure how successful drilling/tapping plastic would be, especially as the inside is probably hollow. I'll stick with trying to find a female adapter
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Old 09-14-17, 05:12 PM
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Called around, couldn't find a place locally that had it in stock, had Airgas order it, will take a few days, but will only cost about $6 (plus the hassle and gasoline and time of driving instead of cycling to work, and taking a ~20mi drive)

Still better than trying to pack that thing up for shipping.
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Old 09-14-17, 07:29 PM
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Originally Posted by RubeRad
Yours was Nashbar L'Orange too, same problem?

More details:? 1/8 is the OD of the barb and ID of the hose, and 1/4" female is the back end that threads over where the barb broke off? Hose clamp you used to make sure the hose was secure on the barb?
Yes, same pump, same problem. I quoted what is on the sticker on the part because I'm not sure how to interpret the description. The link in your post #14 looks like what I used. I wrapped the plastic threads on the pump base with teflon tape and used the hose clamp to secure the hose to the barb. Before those measures I was getting air leaks I'm good now up to at least 100 psi.

I purchased the part at a GOOD industrial hardware store. Can't remember the cost.
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