My snowblower won't start without starting fluid. - Snowblower Forum : Snow Blower Forums
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post #1 of 18 Old 03-09-2018, 10:04 PM Thread Starter
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My snowblower won't start without starting fluid.

My Ariens snowblower with a Tecumseh engine won't start unless I put starting fluid in it. Once I get it running it runs well, why is this and can I fix it so it starts without adding starting fluid to the carburetor?

The model number for the engine is HS40-55265b.

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post #2 of 18 Old 03-09-2018, 10:32 PM
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Primer Hose is Probably Cracked or rotted. This hose runs from the Primer Bulb to the Carb.
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post #3 of 18 Old 03-10-2018, 06:59 AM
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Quote:
Originally Posted by Jackmels View Post
Primer Hose is Probably Cracked or rotted. This hose runs from the Primer Bulb to the Carb.
What he said

if you prime you should hear it via the carburetor throat and see a little gas in the throat.
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post #4 of 18 Old 03-10-2018, 09:52 AM
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+1 on the primer hose..

Joe

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post #5 of 18 Old 03-10-2018, 09:57 AM
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either primer or something wrong with choke.
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post #6 of 18 Old 03-10-2018, 10:35 AM
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I think that tec is an older "push to prime" design, no primer bulb/line or fitting for one. If the spring loaded plunger is missing as they often are, or it doesn't seal well they can be a bugger to start. Are you following the start procedure of closing the plunger and drawing on the recoil rope with the key switch off? It draws a little fuel into the throat and getting the engine at TDC gives you a better chance to light off with the pull. If the heater box makes it too hard to do that, use something like PB blaster with the straw instead of ether, it is very flammable, but still has some oil in it.

Last edited by Kiss4aFrog; 03-12-2018 at 11:08 AM. Reason: unsafe recommendation
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post #7 of 18 Old 03-11-2018, 08:52 PM
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I have a similar problem with my Husky lawn tractor but I know what the problem is but not how to rectify it.

When the fuel ran a little low I couldn't determine whether the gas can(s) had gas or kero and as expected I started fueling with the kero before I decided I'd put the wrong fuel in the tank. I stopped filling it hoping there was still enough gasoline in the tank so that mixing would reduce or eliminate the probable running problems.

The engine would start but not run for long. There was a huge amount of white smoke issuing from the muffler. That was when I knew for sure what I'd done but what to do to over come the effects.

Finally I removed the fuel line from the carburetor and used my compressor to pressurize the fuel tank. After purging the system I refilled with gasoline. It was still difficult to start but it did run. The problem now is that when it is cold out (not necessarily freezing) I have to use starting fluid to get it to run for any length of time. Once it is warmed up it runs great. Bet I never refill with kero again.

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post #8 of 18 Old 03-12-2018, 06:20 AM
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[quote=jtclays;1542313]I think that tec is an older "push to prime" design, no primer bulb/line or fitting for one. If the spring loaded plunger is missing as they often are, or it doesn't seal well they can be a bugger to start. Are you following the start procedure of closing the plunger and drawing on the recoil rope with the key switch off? It draws a little fuel into the throat and getting the engine at TDC gives you a better chance to light off with the pull. If the heater box makes it too hard to do that, use something like PB blaster with the straw instead of ether, it is very flammable, but still has some oil in it.


I had one with this type of choke mechanism on it, I was not able to get it working right. Instead of continually fighting it, I replaced the carb with one that has a primer nipple on it and added a primer bulb. That was the best solution for me. Add the corresponding choke flapper and knob and it was a good solution. It's one way to get a startable motor when all else fails.

Last edited by Kiss4aFrog; 03-12-2018 at 11:09 AM. Reason: edit quote
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post #9 of 18 Old 03-12-2018, 10:32 AM
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Garage
Here is that question you'll either say "of course" very sarcastically or " really?? ". Your engine should have that black knob and a sliding choke lever. When You try to start it when it is below 10 deg out do you slide the choke to full on and push that black knob in and hold it and pull the recoil starter over slowly once past the compression to suck in some fuel ?? I know the first one I bought with that knob I had no idea and just used the choke lever, hard starting cold. And like all instructions on starting an engine cold or hot having an older worn engine you might need to give it a little more but remember it's always easier to try a second time and prime a little more than to unflood an engine.

Starting instructions courtesy of Scot's Ariens site : http://apache.ariens.com/manuals/TIP-69.pdf
Scot's Ariens site : https://scotlawrence.github.io/ariens/Page5.html

.
Make sure the windows are up before the snow plow goes by !!

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Last edited by Kiss4aFrog; 03-12-2018 at 03:28 PM.
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post #10 of 18 Old 03-12-2018, 12:39 PM
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I would suggest that you regap your spark plug to 25 thousandths and try it first before you do any amount of tear down.

We had a toro 48 inch walk behind recycler mower with a 14 horse kohler? with a vertical crankshaft engine that was extremely difficult to start and the only way I could get it to start was to use starting fluid or my space heater to warm it up before I checked the spark plug gap and reset it to 25 thousandths and it started up every time after that with no issues.

Check the spark plug gap and reset ot to 25 thousandths before you do anything else.

Last edited by leonz; 03-12-2018 at 04:59 PM. Reason: stuff/spelling and punctuation corrections
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