Did I just mess up my engine timing? - Snowblower Forum : Snow Blower Forums
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post #1 of 17 Old 11-29-2015, 06:05 PM Thread Starter
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Did I just mess up my engine timing?

5/24 536.884800 it's almost 20yrs old
After I got the carb working good I gave a hard pull on the start cord and it broke... again. So while recoil was off I gave a cleaning to my magnets and coil plus checked the gap by spinning the flywheel a few times, when I put the recoil back on and gave a pull it popped like timing was off. This machine always started easy. Did I change timing by spinning flywheel? How do I check timing? Do I have to take recoil off? I am a little confused here why timing would change by spinning engine. Help

Ariens ST11528LE, 924125
Craftsman 536.884800, 5/23
Toro CCR-Powerlite 38182
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post #2 of 17 Old 11-29-2015, 06:10 PM
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I don't see how anything you did during the recoil maintenance changed any timing.
Was the timing off prior to this causing the recoil to about break your wrist?
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post #3 of 17 Old 11-29-2015, 06:15 PM Thread Starter
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I don't think so, I broke recoil by pulling to hard to fast, I forgot I was pulling on that machine which requires finesse when starting. What else could it be but timing? That machine starts on first pull usually.
It did seem funny that when spinning flywheel I felt no compression but thought it had not rotated enough times. There is compression now when pulling cord.

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Toro CCR-Powerlite 38182

Last edited by nycredneck; 11-29-2015 at 06:18 PM.
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post #4 of 17 Old 11-29-2015, 06:32 PM
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When turning the flywheel a few times you may have flooded it if the choke was closed. ??

Other then the key shearing or the keyway getting damaged there really isn't a way to get the timing off. The "coil" just bolts in one place so the flywheel to crankshaft key and keyway are the only places it can get out of sync.

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post #5 of 17 Old 11-29-2015, 06:44 PM
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If the key has even a small amount of damage it will throw the timing off. Double check the condition of your key.

Joe

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post #6 of 17 Old 11-29-2015, 06:53 PM Thread Starter
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Could the key get damaged by pulling the starter to hard, I never heard the the engine pop or try to start when I broke the recoil.
How do I check the key, is it on the flywheel end?
I may wind up pulling the head off and getting it to TDC on the compression stroke then make sure the magnet & coil are lined up... I'm no mechanic but I play one on TV!!

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Craftsman 536.884800, 5/23
Toro CCR-Powerlite 38182

Last edited by nycredneck; 11-29-2015 at 06:58 PM.
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post #7 of 17 Old 11-29-2015, 07:24 PM
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Quote:
Originally Posted by nycredneck View Post
Could the key get damaged by pulling the starter to hard, I never heard the the engine pop or try to start when I broke the recoil.
How do I check the key, is it on the flywheel end?
I may wind up pulling the head off and getting it to TDC on the compression stroke then make sure the magnet & coil are lined up... I'm no mechanic but I play one on TV!!
no need to overthink what you have going on. you will need to pull the fw to inspect the key. as mentioned, the coil has its one position as far as timing goes in relation to the magnets, ( not sure if gap between coil and fw can be set ) timing is set by when the points " break" or open.

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post #8 of 17 Old 11-29-2015, 08:03 PM Thread Starter
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I thought as the magnet passes the coil it creates the spark.

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Craftsman 536.884800, 5/23
Toro CCR-Powerlite 38182
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post #9 of 17 Old 11-29-2015, 08:15 PM
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Quote:
Originally Posted by nycredneck View Post
I thought as the magnet passes the coil it creates the spark.
Yours is new enough it does not have points to worry about.
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post #10 of 17 Old 11-29-2015, 08:17 PM
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Originally Posted by nycredneck View Post
I thought as the magnet passes the coil it creates the spark.
im not sure if im saying this right, but the magnets passing the coil makes the energy to create the spark. when the points open ( break) is when that energy ( spark) is released. i.e engine timing.

24 " 1967? Ariens Sno thro
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