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Engine Timing help, Please

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WVKid
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Location: Stafford, VA 22554

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PostPosted: Sat Aug 18, 2012 7:59 am    Post subject: Engine Timing help, Please Reply to specific post Reply with quote

Just found the 31 degrees mark on the flywheel. My Rotor cap is pointing straight ahead toward the front of the tractor and not at the #1 plug as it should.

I'm a little lost at this point because my book tells me to temporarlly install the distributor and rotate the breaker cam in normal direction as far as it will go. i NEVER UN INSTALLED THE DISTRIBUTOR? The book never told me to un install the distributor.

Do I loosen the two set screws to rotate the distributor? Do I pick it up a bit to rotate it or will it rotate when the set screws are loose?

Any help please,
WVKid
 
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Welding man
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PostPosted: Sat Aug 18, 2012 8:35 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

If we knew what you were working on would be a big help. I know of no gasoline engine that times on 31 degrees static timing,that may be the fully advanced timing. Are you on #1 cyl coming up to TDC or are you 180 deg out. I think you need to read your book a little closer and start over.Then post some more info and maybe someone can help.
 
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WVKid
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PostPosted: Sat Aug 18, 2012 8:42 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote


Oops!! Sorry,

I'm working on my NNA Jubilee Tractor using a I&T shop manual under "Electrical and Igniton System"

Think I had a senior moment when asking for help. lol
 
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JMOR
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PostPosted: Sat Aug 18, 2012 10:22 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

WVKid wrote:
(quoted from post at 12:42:26 08/18/12)
Oops!! Sorry,

I'm working on my NNA Jubilee Tractor using a I&T shop manual under "Electrical and Igniton System"

Think I had a senior moment when asking for help. lol
Rotate your flywheel one full revolution and then your rotor will be pointing to happiness for you. Wink
 
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WVKid
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PostPosted: Sat Aug 18, 2012 10:51 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

JMOR wrote:
(quoted from post at 11:22:00 08/18/12)
WVKid wrote:
(quoted from post at 12:42:26 08/18/12)
Oops!! Sorry,

I'm working on my NNA Jubilee Tractor using a I&T shop manual under "Electrical and Igniton System"

Think I had a senior moment when asking for help. lol
Rotate your flywheel one full revolution and then your rotor will be pointing to happiness for you. Wink


If I rotate the flywheel, the rotor will be right back where it is now, (in the wrong position) they both move together, right!

Seems like I need to remove the distributor shaft and make the adjustment to have the rotor pointing to the #1 plug while the flywheel remains at TDC 31 degrees. Not sure and not sure how to remove the distributor shaft if that's what needs to be done.

Thanks,
WVKid
 
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JMOR
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PostPosted: Sat Aug 18, 2012 11:23 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

WVKid wrote:
(quoted from post at 14:51:47 08/18/12)
JMOR wrote:
(quoted from post at 11:22:00 08/18/12)
WVKid wrote:
(quoted from post at 12:42:26 08/18/12)
Oops!! Sorry,

I'm working on my NNA Jubilee Tractor using a I&T shop manual under "Electrical and Igniton System"

Think I had a senior moment when asking for help. lol
Rotate your flywheel one full revolution and then your rotor will be pointing to happiness for you. Wink


If I rotate the flywheel, the rotor will be right back where it is now, (in the wrong position) they both move together, right!

Seems like I need to remove the distributor shaft and make the adjustment to have the rotor pointing to the #1 plug while the flywheel remains at TDC 31 degrees. Not sure and not sure how to remove the distributor shaft if that's what needs to be done.

Thanks,
WVKid
2:1 One revolution of flywheel will move the distributor one-half revolution.
 
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WVKid
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PostPosted: Sat Aug 18, 2012 11:38 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

JMOR wrote:
(quoted from post at 12:23:19 08/18/12)
WVKid wrote:
(quoted from post at 14:51:47 08/18/12)
JMOR wrote:
(quoted from post at 11:22:00 08/18/12)
WVKid wrote:
(quoted from post at 12:42:26 08/18/12)
Oops!! Sorry,

I'm working on my NNA Jubilee Tractor using a I&T shop manual under "Electrical and Igniton System"

Think I had a senior moment when asking for help. lol
Rotate your flywheel one full revolution and then your rotor will be pointing to happiness for you. Wink


If I rotate the flywheel, the rotor will be right back where it is now, (in the wrong position) they both move together, right!

Seems like I need to remove the distributor shaft and make the adjustment to have the rotor pointing to the #1 plug while the flywheel remains at TDC 31 degrees. Not sure and not sure how to remove the distributor shaft if that's what needs to be done.

Thanks,
WVKid
2:1 One revolution of flywheel will move the distributor one-half revolution.


Sooo,, My Rotor is now past the #1 Plug, (pointing straight forward to the front of the tractor) does this mean many turns of the flywheel until I see the rotor pointing at the #1 plug? That's how I get it back into correct timing?

Thanks,
WVKid
 
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Welding man
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PostPosted: Sat Aug 18, 2012 11:59 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

A NAA times at 8 deg BTDC. Forget about the 31 Deg for now. Take # 1 spark plug out. Hold your finger over the hole and bump the starter over until it blows out the hole. Check to see where the timing marks are and turn the flywheel until you get it at 8 deg BTDC. Now check to see where the rotor is and post back. DO NOT Pull the dist out yet !!!
 
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WVKid
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PostPosted: Sat Aug 18, 2012 12:46 pm    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote


I pulled the #1 plug, got nice compression and turned the flywheel to 8 degrees, the rotor is now pointing between the #3 and #4 plugs.

What does the "B' stand for in BTDC, top dead center? Hate to show how much I don't know. lol
 
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Welding man
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PostPosted: Sat Aug 18, 2012 2:22 pm    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

B stands for Before.How long has it been since the tractor has run and what makes you think it is out of time? There is lot of other things that could keep it from running besides being out of time.
 
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WVKid
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PostPosted: Sat Aug 18, 2012 2:43 pm    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

welding man wrote:
(quoted from post at 15:22:23 08/18/12) B stands for Before.How long has it been since the tractor has run and what makes you think it is out of time? There is lot of other things that could keep it from running besides being out of time.


It's been two years under my garage without running.

90% sure it's the timing. Replaced all the wiring, rebuilt the Carb, the Starter, Generator and lots of other stuff. When I change to heavy cable for the starter and battery the cranking RPM's doubled.

Was cranking the engine for about 2 minutes with no sign of starting when the carbuertor back fired. No smoke or fire just a loud noise. Someone told me that I might have damaged the floats in the carbuertor, checked it out and all is fine, put floats in a pan of water and they do float.

You name it and it's been replaced including radiator, ignition switch, gas tank, fuel bowl and fuel line.

Waiting on new gaskets for the carbuertor and if I can get the timing back I think she will be ok. When I pulled the #1 plug and did that compression test with my finger on the plug hole, it blew my finger away with good compression.

That about covers it to date.......Can I send you a picture, she looks good.

Thanks,
WVKid
 
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Welding man
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PostPosted: Sat Aug 18, 2012 5:16 pm    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

If it back fird, timing may not be off very much, loosen the distributor and turn it in both directions while cranking and see if it will start. Where are you located in WV. I also live in WV.my E-mail is open.
 
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WVKid
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PostPosted: Sat Aug 18, 2012 7:09 pm    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

Welding man wrote:
(quoted from post at 18:16:53 08/18/12) If it back fird, timing may not be off very much, loosen the distributor and turn it in both directions while cranking and see if it will start. Where are you located in WV. I also live in WV.my E-mail is open.


Not sure how to loosen the distributor, there are two set screws below the oil port of the distributor, if I back them out will that let me turn the distributor?

I'm in Stafford VA now, born and raised in the southwest part of WV, (Hatfield/McCoy area) all my people were coal miners. Went to Welch high school, just old and ugly now. lol

Thanks
 
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JMOR
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PostPosted: Sat Aug 18, 2012 7:49 pm    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

As much stuff as you replaced, my guess is that you didn't get the spark plug wires back in the cap, relative to which cylinder they go to just exactly the same as you removed them. Stamped/printed numbers & a picture book of where #1 was when it left the factory does not mean beans , now. Leave the distributor alone.
 
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john in la
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PostPosted: Sun Aug 19, 2012 5:51 am    Post subject: Re: Engine Timing help, Please Reply to specific post Reply with quote

If you have the #1 cylinder up on the compression stroke and the flywheel turned to where 8 deg before tdc lines up; remove the cap and see where the rotor is pointing. rotate the dist to where one of the plug wire holes lines up with the rotor and install the #1 spark plug wire in this hole. Wire the other spark plug wires in the rotor rotation using your firing order.
 
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