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gibson981


Joined: Jan 5, 2011
Points: 6

Ariens 910995 engine problem
Original Message   Jan 5, 2011 9:12 pm
I'm hoping I can get some help from this forum....or at least your opinion.  Three years ago when I was transferred to Connecticut, I purchased an old (mid 70's, model 910995) ariens snowblower that I found on craiglslist.  The purchase was alittle bit nostalgic, as it was very similar to the machine my dad had and used all while I was growing up, and worked great for him.  For the past three years, no problems....quick to start up, and threw the snow with ease (even the heavy crap we sometimes get in CT).  This fall, I changed the engine and gear oil, filled up with fresh gas, and gave the carb a couple of shots of cleaner while I let it run.  It ran for about 15 minutes with no problem and I was confident it would be another good season.  During the big snowstorm we got over Christmas, it did not go well.  The blower worked for about 10 minutes with no problems, then shut down.  No sputtering, or sounding like it was running out of gas, just died. I restarted it with no problem, and it ran another 5 minutes, then the same thing....died.  I continued to clear the driveway like this, a couple of minutes of running, then die, then restart.  Sometimes it would die when under a heavy load, other times not. 

So a couple of questions:

     -Any suggestions on what I can do to improve/fix this problem?  The way it runs fine, then shuts down without warning, then restarts easily makes me think its more spark then fuel related.  Any thoughts?  I haven't done much work on small engine other than the normal mainenance, but am reasonably mechanically inclined. 

    -Unfortunately, I have no way to bring the blower to a repair shop.  My local shop will pickup/dropoff for $75.  Add in another $100 or so minimum to repair, and I've spent close to 200, and still have a 30 year old engine.  Looking online, I can get a replacement motor that I could put in for about 250.  Doesn't this make the most sense?  I'm pretty confident I can swap out the old engine, less confident of my troubleshooting/repair abilities. 

Thanks for reading, and appreciate any advice.

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borat


Joined: Nov 10, 2007
Points: 2692

Re: Ariens 910995 engine problem
Reply #18   Jan 7, 2011 10:02 pm
trouts2 wrote:
>>static advance, (as in an engine with points)

Does that also apply to SSI?

Interesting on the adjustable.  What's the name of the device.  If I google around I'll get all car stuff.


Not sure what SSI is. 

I have an Echo chainsaw with automatic ignition advance.  The acronym for that is SAIS ( Slope Advance Ignition System automatically    
adjusts ignition timing for optimum performance).  Is SSI something similar.

The units I use on my Yamahas are made by a European outfit named MZB and Zeeltronic.  There are three components:  the dynamo, the controller and the programmer.   All of the original electrical generating and ignition parts are eliminated and the new stuff replaces it.  If you just go with the dynamo and static ignition system, you end up with an analog system.  Add the digital controller and now you have programmable ignition which is programmed by plugging in the programmer and inputting the desired curves.  

Here's a couple links showing the MZB system and Zeeltronic controller:  

http://www.powerdynamo.biz/eng/systems/7106/71067main.htm

http://www.zeeltronic.com/page/vcdi-04.php
  
This message was modified Jan 7, 2011 by borat
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: Ariens 910995 engine problem
Reply #19   Jan 8, 2011 7:25 am
SSI is just an abreviation for solid state ignition, electronic ignition.

OK on the auto advance modules.  After looking at those I remembered looking at them before I think after you mentioning them in another thread some time ago.  Nice for peaking a Yamaha bike but a bit over for a snowblower. 

This brings up a constant confusion so I post a seperate thread.

borat


Joined: Nov 10, 2007
Points: 2692

Re: Ariens 910995 engine problem
Reply #20   Jan 8, 2011 10:50 am
Most definitely not needed on a snow blower.  Not enough rpm to be concerned about. 

However, proper advance setting is important if you want to get maximum power and torque from the engine at speeds under 4000 rpm.
gibson981


Joined: Jan 5, 2011
Points: 6

Re: Ariens 910995 engine problem
Reply #21   Jan 12, 2011 7:38 pm
Just wanted to give a quick update to those who helped me. We got buried in 2ft of snow last night. Ran the machine for 3 hrs this morning and not one shutdown. Earlier I had replaced the condenser and the kill wire, and cleaned up some oil on the points. Very pleased. During the last hour or so, it started to surge alittle bit, and the power seemed down. Going to clean and reseal the carb and see if that fixes it. Also the muffler blew out. Alittle unsure of that repair as the remaining pipe seems pretty fused to the engine. I'll worry about that another day, now time for a beer.
This message was modified Jan 12, 2011 by gibson981
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: Ariens 910995 engine problem
Reply #22   Jan 12, 2011 9:58 pm
Nice going, tune-up, crab cleanup, maybe a new seal and you're running.  At least for me three hours would be way over pushing that engine. 

Probable some residual crud from the tank or line.  If you can get a cheap Briggs inline filter and put it close to the carb intake if it will fit.  I bought a bag of 25 but I hardly get a chance to plant them due ti space.

The 910995 is the bucket model.  The machine model is at the back base.  The engine number should be stamped on the top of the cowling.  So not sure what engine you have but likely the H70.  Some people claim it to be one of the best engines Tecumseh ever made.

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