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Pump Repair Help

broken hornet pump, need help

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#1 the essence of death

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Posted 17 August 2007 - 01:27 AM

Most annoying thing happend to me yesterday, I picked up my 6 month old hornet that has always worked reliably untill now. I pumped and pumped and pumped yet for every pull of the trigger no foam went flying. so I opened up to find that there was a hairline fracture in the back of the pump where it conects to the air line, so I tried some teflon tape which failed miserably to stop the leaking, and then I tried reinforcing it with e-tape, still no help. so I used the only liquid selant I could think of on short notice, some lok-tite. Normaly its designed to hold screws in to something tighter, so I thought when it dried I would have a nice seal. About 10 min after I put it on I notice a crack runing down the side of the hose adapter, so I pull out some superglue to fix it only to find cracks like this over the entire pump, then the whole thing just broke off at the base of the adapter, so I'm wondering since this stuff seems to act like acid to my pump and has now destroyed it making my gun useless, can anybody give me tips on how to remedy this problem since I searched it and found nothing.
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#2 SHADOW HUNTER ALPHA

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Posted 17 August 2007 - 01:37 AM

Pictures? Even without them it's obvious you need to replace the entire pump assembly, but is there any damage beyond that?

Loctite will not act like acid on a pump, and even if it did it would simply eat away the plastic, not crack it. I suggest plastic cement as a replacement, though. It is a clear liquid that bonds any plastic (the only problems are a strange smell and the fact that it doesn't bond anything but plastic).

However, it is too late now. If you want to integrate it into a gun like the Titan, which it was designed to be mounted under, then cut off the tubing to the pump, seal it with Plumber's Goop, and then just feed it the pressure from the Titan. You could also try a variation of CS's Volley Titan. Otherwise, hook up the tubing from a small (as in hald-held small) bike pump and stick that in the spot where the original pump went. I recommend a dual-action version so it fills with each upstroke and downstroke.

Edited by SHADOW HUNTER ALPHA, 17 August 2007 - 01:40 AM.

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#3 CD-R

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Posted 17 August 2007 - 01:38 AM

Interesting, something similar happened to my 3K, and lok-tite worked great. A simple fix would be to pull the pump off of a broken gun, and use a barbed coupler to put the tubing together, replacing the broken pump.

Edited by CD-R, 17 August 2007 - 01:39 AM.

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#4 the essence of death

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Posted 17 August 2007 - 01:45 AM

If only I had a broken air gun...only recently did I get big into nerfing so thats really my first air gun aside from the titan it came with, my brother complained that his hornet wasnt working a few months ago, I'll try to hijack his pump but in the mean time I'd appreciate some more ideas from people.
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#5 SHADOW HUNTER ALPHA

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Posted 17 August 2007 - 09:54 AM

Well, there's really not much else you can do. I assume you wanted to keep the Hornet separate and not do and integration, based on what you plan to do. If using the other pump doesn't work, you can go to Wal*Mart or Dick's Sporting Goods and find a small handheld bicycle pump to splice in instead. That's pretty much your only other option, as I mentioned before, for keeping the Hornet by itself. Just make sure to seal all of the internal tubing at the joints with Plumber's Goop for a secure connection, and let that fully cure before you do any testing.

P.S.: If you want a good, very simple to mod air gun, go to K-Mart and find a BuzzBee Big Blast for $10. They are superior to the LBB in comfort (the grips and pump) and durability (metal firing pin instead of plasic). They also get insane ranges with a simple pump plug and a CPVC barrel.

Edited by SHADOW HUNTER ALPHA, 17 August 2007 - 09:57 AM.

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The only commonly shared fate among us all is death. I turn to the shadows so that I may not be unfamiliar with hell's corridors when I arrive. - SHADOW HUNTER ALPHA

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#6 Z-man12

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Posted 17 August 2007 - 10:08 AM

P.S.: If you want a good, very simple to mod air gun, go to K-Mart and find a BuzzBee Big Blast for $10. They are superior to the LBB in comfort (the grips and pump) and durability (metal firing pin instead of plasic). They also get insane ranges with a simple pump plug and a CPVC barrel.



You could also use this as the base for something similar to the voly titan if you didn't want to screw with your titian.
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I mod nerf guns so they look good. So leave my scopes, doodads, and trinkets alone I like them. I don't mind the weight and I started out that way on toy guns and its not going to change.

#7 SHADOW HUNTER ALPHA

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Posted 17 August 2007 - 10:14 AM

You could also use this as the base for something similar to the voly titan if you didn't want to screw with your titian.

Yes, but the Titan has the tubing already there for connecting the air tanks, which makes it simpler that performing surgery and splicing tubed into the air tank of another gun. Granted, the Volley Titan may be a little large, but a minimization can fix most of that problem.
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The only commonly shared fate among us all is death. I turn to the shadows so that I may not be unfamiliar with hell's corridors when I arrive. - SHADOW HUNTER ALPHA

Founder of the Shadow Militia.
Founder of Nightshade Laboratories and The Nightshade Armament Corporation.


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