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Thread: new storm 3090xp gas leaks when primed day one Reply to Thread
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  Topic Review (Newest First)
02-04-2013 06:51 PM
Mcgruff666
Quote:
Originally Posted by HCBPH View Post
Assuming this is a Tecumseh engine, I'd expect you only have 2 fittings on the carb: one for the primer and the other for the gas line. If you're getting gas coming out of either, first thing I'd look for is a crack in the line where it connects to the fitting.

Pictures would be very beneficial.
Thanks, but it was just over primed. Nothing cracked/leaking since . Thanks for all your help.
01-22-2013 03:29 PM
HCBPH
Leaking

Quote:
Originally Posted by Mcgruff666 View Post
I have the same problem with a Craftsman blower. There is a small brass tube that "leaks" gas when primed. Gas can be seen running out when the primer is pushed, but im starting to think this is normal, after reading some of the responses. Id like to figure this out before i spend $50 on a new carb.
Assuming this is a Tecumseh engine, I'd expect you only have 2 fittings on the carb: one for the primer and the other for the gas line. If you're getting gas coming out of either, first thing I'd look for is a crack in the line where it connects to the fitting.

Pictures would be very beneficial.
01-22-2013 05:02 AM
Shryp Have any pictures of the leak?

Also, have a look at this video and skip to 7:33 (or watch the whole thing ).

01-21-2013 09:49 PM
Mcgruff666 I have the same problem with a Craftsman blower. There is a small brass tube that "leaks" gas when primed. Gas can be seen running out when the primer is pushed, but im starting to think this is normal, after reading some of the responses. Id like to figure this out before i spend $50 on a new carb.
12-06-2011 08:33 AM
bwireman
burrowed an lighted inspection camera to locate source of leak

the gas is leaking from the venturi tube input on the carb when primed, as viewed from an inspection camera.
as stated earlier, it seems like the primer is super efficient.
i will follow the recommendation to continue using the snowblower and not use the primer, as it is not needed to start the engine.
i have not observed any gas leakage while the maching is idle or running.
calling for snow tomorrow, maybe a chance to try out this beast.
next task is to find a set of low friction skids, do not want to damage my stamped concrete patio or sidewalk.
thanks for the input.
bwireman
11-29-2011 08:30 AM
HCBPH
Primers

Quote:
Originally Posted by abumpa View Post
You guys caught me and you are correct. I was thinking about an old leaf blower I just worked on where the primer in actually part of the fuel delivery system. Sorry for the bad info…
No problem. Just thought something else had come out I'd never seen. I hate giving bad info so I was curious.
11-23-2011 08:34 PM
abumpa You guys caught me and you are correct. I was thinking about an old leaf blower I just worked on where the primer in actually part of the fuel delivery system. Sorry for the bad info…
11-23-2011 12:35 PM
td5771 mine are the same, one hose. some smaller chainsaws and such i have are 2 hoses and are essentially a pump. they take the gas out of the tank and push into the carb. they use a check valve system. the tecs i have pump air into the bowl like hcbph said.
11-23-2011 09:39 AM
HCBPH
Primers

Quote:
Originally Posted by abumpa View Post
Primers are usually pretty simple systems. Hose from gas tank to bulb…hose from bulb to carb.
I've not seen one with 2 hoses off the primer. If you have it apart some time, I for one would like to see what that looks like. All the Tecumseh's I've worked on (4 HP through 10 HP) the primer is just a bulb with a hose to a nipple on the carb. In essence it just presurizes the carburetor bowl so gas is forced up a channel and out through a couple of small holes in the side of the carburetor throat. Then again, all mine have the older float style carburetor, so if your isn't then maybe that's why.
11-22-2011 05:20 PM
abumpa
Quote:
Originally Posted by bwireman View Post
pressed the primer bulb once and noticed more gas spillage on the tire.
the gas leak was above the bowl on the bottom of the carb, could not locate the source of the leak due to limited access.
question- any thoughts on what could be causing the problem.
Primers are usually pretty simple systems. Hose from gas tank to bulb…hose from bulb to carb. If yours is leaking on the out side of the carb I would suspect either the fitting in the carb is loose or the hose is loose on the fitting or even not hooked up at all. If it is as hard to get to as you say perhaps someone failed to hook up the hose at the factory.

My 13 HP Tecumseh primer will leak a few drops from the carb if I push it to much. Being that yours leaks on the first push and runs onto the tire I would suspect it aint hooked up to the carb at all.
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