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Allis CA no start


 
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AndrewJS
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PostPosted: Wed Mar 24, 2021 2:56 pm    Post subject: Allis CA no start Reply to specific post Reply with quote

So I have a 1954 CA that has not run for probably 10-15 years. It has a distributor with key switch and pull starter control, not a magneto. It was originally seized up but my dad and I took the head off and managed to get it unseized. Cleaned everything up and compression is somewhat
low on the seized cylinder but the others appear to be fine. Cleaned out the gas tank and carb and gave it new plugs, plug wires, and coil. It now has a strong blue spark, appears to be getting fuel (when I remove drain bolt at bottom of carb, I get fuel all over my hand and plugs appear
to be somewhat wet after cranking). Even when pulled, hand cranked, or using the starter it will not start. Won't even really puff - very occasional will pop like it's backfiring but nothing else.

What am I missing? Based on everything else I am assuming it has to be a timing issue, but I have never messed with the timing on it and I know that it used to run fine -- in fact I remember my dad showing me how to drive it to plow up a garden and it ran great. I have included an image
of my ignition system for reference. When I use the hand crank to get the rotor pointing at what I have labeled as the #1 cylinder, I look in the inspection hole and see 'CENTER' and a line that is about dead nuts in the middle. I have the plug order correct, I believe. They go clockwise
from the #1 and go 1-2-4-3. I realize in my image the labeling on the cap is wrong, but my plug wires are in the right order. I am also considering my battery may be bad and not giving the starter enough oomph to kick the starter over fast enough? Unsure. Any help at all would be greatly
appreciated!


 
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old
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PostPosted: Wed Mar 24, 2021 3:52 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Do you have the firing order correct?? Wet plugs say fouled plug and fouled plugs will not fire
 
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funky_g00
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PostPosted: Wed Mar 24, 2021 6:10 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Did you remove the distributor? If not, don't. Have you checked for any other markings on the flywheel? I am unfamiliar with the CA, but on the WC and WD there is a fire mark. You may simply be 180 degrees off, which would cause your problem. If you removed the carb, did the venturi get left out or installed upside down? Priming the cylinders with a little gas, ether, carb cleaner, etc would help narrow down which system is the problem. The weak battery will only cause you problems when using the starter, if you pull start it, as long as it has a decent surface charge it will fire the coil, as evident by your blue spark.
 
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AndrewJS
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PostPosted: Wed Mar 24, 2021 6:32 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Did not remove the distributor. I have only removed the cap, rotor, and the upper dust cover (to get a look at the points/condenser). There is a fire mark on the flywheel that is visible not long before the center mark. I hadn't thought much of it until now because the manual I have says not to use that for timing. I did put the venturi back in the carb but it may be backwards - I thought it seemed right however. Even with a little gas through the plug holes nothing much seemed to want to happen. Like I said, the occasional pop but nothing more.
 
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Ted in NE-OH
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PostPosted: Wed Mar 24, 2021 7:27 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

lightly file the distributor points.
 
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Aaron SEIA
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PostPosted: Thu Mar 25, 2021 3:02 am    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Generally the #1 plug is where you have the #3 wire. Get #1 piston at TDC compression and take the cap off the dist. Wherever the rotor is pointing is where the #1 plug needs to be. You can use your thumb over the spark plug hole to find TDC compression. Just spin till air is pushing on your finger.
AaronSEIA
 
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AndrewJS
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PostPosted: Thu Mar 25, 2021 8:01 am    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

I got it started! I switched the plug wires so #1 was closest to the block and she started right up with the starter. Ran good for a little bit and then seemed to start to surge a little bit and now doesn't want to start again. PTO and the lift weren't working either but I imagine they just need a little TLC after sitting for many years.
 
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PostPosted: Thu Mar 25, 2021 8:16 am    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Surging is caused by a carb set wrong. If yu get it to start again try choking it when it starts to surge and if it help the carb is set to lean if it hurts to rich
 
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AndrewJS
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PostPosted: Fri Mar 26, 2021 5:09 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Where are the transmission/hydraulic fluid drain plugs on the CA? I think I see one under the PTO housing. It's really in there and I'm not exactly sure about the socket size -- seems bigger than 1. There is another hex-shaped plug, I think, a couple inches back on the differential? Is there another? Also, do I fill the fluid through the bayonet gauge hole on the left side of the tractor just below the platform or is there a separate fill hole?
 
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cleddy
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PostPosted: Sat Mar 27, 2021 9:24 am    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

I have a 1950 farm truck that was running a little rough and thought a 5 mile trip to town and a fresh tank of gas would help. It kept running worse as i went and the new gas did not help. As it was getting late and with no tools or way to get help I struggled back to the farm with terrible backfiring and choking and about the last 3 miles were in first gear poking along with choke in & out and praying to get off the road before dark. I made it and engine was covered in oil from air cleaner and dip stick??? Come to find out that I had mixed up some of the wires and while it ran was far from good performance-Ran perfect when they were in correct order? Cleddy
 
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Jim.ME
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PostPosted: Sat Mar 27, 2021 2:48 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote


There are two drains, one on the bottom of the PTO housing and one on the bottom of the transmission/differential housing. Yes, you fill it thought the opening where the bayonet gauge is. Drive it around and check it again after filling it.
 
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AndrewJS
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PostPosted: Sat Apr 03, 2021 6:42 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Hey everyone, thanks so much for all the help. Tractor is running great after draining the old hydraulic/trans fluid and putting some fresh in, the 3 point lifts and PTO turns. I also cleaned out my gas tank, sediment bowl, and carb and put a new screen in the sediment bowl. Seems to be getting fuel good.

I have a decent oil leak from the governor area (front right part of tractor). Unsure of exactly where it's coming from. It may be from the shaft that is protruding from the top of the governor but can't really tell. Any common places to get leaks in this area?

Also, I'm currently running without the long spring that comes off the throttle linkage near the carb and goes to a manifold stud. It broke when I was removing the carb. I have one ordered. Am I hurting anything by running the tractor without this? I think it is also related to the governor somehow.
 
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67Chevrolet
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PostPosted: Sun Apr 25, 2021 4:37 pm    Post subject: Re: Allis CA no start Reply to specific post Reply with quote

Glad you got everything working, a CA is an awesome little tractor.
As for the oil leak. If that stud on top of the governor is tight, its probably not leaking, however the oil line going into the top of the governor could be leaking.
The spring that I believe you are missing is the anti-surge spring, you are not hurting it by running without it. I have 2 CAs and neither one has that spring, in fact I rarely see it intact on most of them, I always heard it was only needed if you had a surging problem, however I do t know this for a fact. I just know my CAs dont have them and neither do my C, one of my Bs has it on It. But all my tractors seem to do fine without it, if someone else knows if its definitely needed, please let me know, and my tractors Ive had for at least 20 years without that spring except for the one B that has it, if youve ordered it, Id definitely put it on, cant hurt.
Good luck, and glad you got it going. Please let us know where you find the oil leak and maybe post a picture of it and your tractor.
 
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