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Allis-chalmers wd45 
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Joined: 11 Apr 2012
Location: Newton, Nj
Points: 1917
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 Topic: Ca timing
Posted: 08 Oct 2012 at 9:45am |
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Hey fellas, I'm trying to help my buddy get his ca going he had the distributor off and now we need to time the tractor we can find the "F" on the flywheel but once we do that how do we set the distributor, and the rotor and what not I have a it manual and it doesn't make sense thanks for the help
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1946 "C"
1956 "WD45"
1965 "D17" Series IV
1979 185 factory ROPS
deutz allis 385 planter
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Allis-chalmers wd45
Orange Level
Joined: 11 Apr 2012
Location: Newton, Nj
Points: 1917
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Posted: 08 Oct 2012 at 10:40am |
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Please any input!
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1946 "C"
1956 "WD45"
1965 "D17" Series IV
1979 185 factory ROPS
deutz allis 385 planter
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SteveC(NS)
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Joined: 12 Oct 2009
Location: Nova Scotia
Points: 663
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Posted: 08 Oct 2012 at 10:49am |
I have an IT manual too and timed my CA by following the instructions therein. What doesn't make sense to you?
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Allis-chalmers wd45
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Joined: 11 Apr 2012
Location: Newton, Nj
Points: 1917
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Posted: 08 Oct 2012 at 10:55am |
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When it says place distributor rotor bin position where metal strip of same is pointing toward batter lead terminal on distributor body. And when it says place distributor in mounting bracket and engaged the driving members? You can't run the gear wen it's in the mounting bracket that's turning te whole engine
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1946 "C"
1956 "WD45"
1965 "D17" Series IV
1979 185 factory ROPS
deutz allis 385 planter
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22825
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Posted: 08 Oct 2012 at 12:58pm |
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Forget the flywheel marks till you have it running. Start by bringing number 1 cylinder up to TDC of the COMPRESSION stroke. Do this by holding your thumb over the plug hole( with the plug out) till you feel compression. Then bring to the top of the stroke. You can determine where the top is by putting a piece of wire in the plug hole and feeling when the piston stops moving.
Once on TDC of compression stroke on number 1, take the distributor cap off and see where the rotor is pointing. It must point to the number 1 plug wire. If it doesn't, you have 2 choices. switch the wires so they follow number 1 by firing order in a clockwise rotation, or pull the distributor, turn the rotor and replace it so it IS pointing at number 1. The book doesn't tell you to turn the rotor after you put the distributor in. It tells you to put the rotor in position and THEN install the distributor.
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Allis-chalmers wd45
Orange Level
Joined: 11 Apr 2012
Location: Newton, Nj
Points: 1917
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Posted: 08 Oct 2012 at 1:04pm |
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But I have done that and it just doesn't seem right? It ins rough and misses
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1946 "C"
1956 "WD45"
1965 "D17" Series IV
1979 185 factory ROPS
deutz allis 385 planter
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5087
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Posted: 08 Oct 2012 at 1:31pm |
With a distibutor on (any engine) you do get number one cylinder to TDC on the compression stroke. You drop the distributor down so the rotor points to your number one cap terminal so you have adjustment by rotating the distruibtor both ways. When dropping it down in the rotor will turn. It sometimes takes a couple of times to get the rotor to line up properly. Any distributor engine will start on TDC. If you use the TDC on the flywheel on the CA and you rotate the distributor back and forth after it is in the correct position then watching to see the points are just ready to open, when it is running it will be in time. You can check it with a timing light and the fire line will be in the center of the flywheel inspection hole. That is just the way it works.
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Brian Jasper co. Ia
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Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508
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Posted: 08 Oct 2012 at 5:56pm |
Don't forget, the firing order is 1 2 4 3, not the common modern 1 3 4 2. You also set the timing with the engine at full speed, not idle like you would for a car.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Ted in NE-OH
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Joined: 12 Nov 2009
Location: Austinburg OH
Points: 1703
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Posted: 08 Oct 2012 at 6:44pm |
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If it still runs poorly after timing it , it must be something else.
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CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914
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