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Lonn 
Orange Level
Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29817
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 Posted: 10 Mar 2017 at 10:47am |
 mikeks wrote:
Found the problem, or at least the start. Camshaft gear has 3 spots with the teeth chewed off. Other gears appear fine. I have pictures, but no clue how to post them.What other problems should I look for? Any chance of the valves hitting the pistons like OrangeBlood mentioned? Any suggestions on where to find the gear and all the needed gaskets?
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The governor weights have flown apart and went through the timing gears or it did previously and a piece has been picked up by the gears. I'd sure check over all the other gears. A bent tooth on one gear will take out new teeth on the cam gear and you'll be back where you started........... don't ask me how I know.
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Lonn
Orange Level
Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29817
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Posted: 10 Mar 2017 at 10:51am |
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PS the crank gear can have a bent tooth on the back side where you'd need a mechanic's mirror to see it. Again.... speaking from experience.
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-- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... -
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I am a Russian Bot
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SteveM C/IL
Orange Level Access
Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8651
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Posted: 10 Mar 2017 at 7:58pm |
Lonn wrote:
PS the crank gear can have a bent tooth on the back side where you'd need a mechanic's mirror to see it. Again.... speaking from experience.
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experience is a great teacher
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LeonR2013
Orange Level
Joined: 01 Jan 2013
Location: Fulton, Mo
Points: 3500
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Posted: 10 Mar 2017 at 8:18pm |
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Just heat your cam gear with a torch and pop it off. To put the new one on make sure the wife is out shopping, put it in the oven at 300 degrees and when it's hot slip it on the cam.
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mikeks
Bronze Level
Joined: 08 Mar 2017
Location: Kansas
Points: 22
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Posted: 11 Mar 2017 at 8:42pm |
Just got back in town and stepped in the shop long enough to realize the governor is missing weights. I'm not even sure how the governor works. Time to do some research! Did get some great info from my local AGCO dealer, and found all the parts and gaskets I needed. (until I noticed the weights). Thanks again for all the great advise. Will keep you posted.
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Dan73
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Joined: 04 Jun 2015
Location: United States
Points: 6054
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Posted: 11 Mar 2017 at 9:01pm |
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You will have to pull the motor apart those weights are in there somewhere they are what caused all your problems and will continue to break stuff unless you get all the bits out.
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LeonR2013
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Joined: 01 Jan 2013
Location: Fulton, Mo
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Posted: 11 Mar 2017 at 10:02pm |
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Before you go to far, pull the valve cover and loosen all the rocker arms. This will let the valves close. Then roll the engine over with the crank and see if you have compression on each cyl. At least this way you could save pulling the head. All the rest goes.
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mikeks
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Joined: 08 Mar 2017
Location: Kansas
Points: 22
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Posted: 22 Mar 2017 at 2:36pm |
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Got the tractor up and running over the weekend. Clearly the governor weights have been an issue for a long time. Didn't realize how bad the throttle was until I got fixed. Governor weights were simple to replace, found a used camshaft gear, heated it up and it slid on with no issue. Pretty simple fix even with a lack of experience. Thanks again for all the great advise.
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Sugarmaker
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Joined: 12 Jul 2013
Location: Albion PA
Points: 8534
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Posted: 22 Mar 2017 at 3:38pm |
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Mike,
I think your playing with us!:) Nice work doing the research and getting this tractor back together. Now drop some pictures on us!
Regards,
Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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Ted J
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Joined: 05 Jul 2010
Location: La Crosse, WI
Points: 18943
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Posted: 24 Mar 2017 at 10:01pm |
mikeks wrote:
I have pictures, but no clue how to post them. |
You need to look at the main page: http://www.allischalmers.com/forum/default.aspAnd then go to the bottom to:
Forum Support Only - No Tractor Questionsand then to: Posting Pictures on the ForumThat should help you out.... We LOVE PICTURES!!!!
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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DonBC
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Joined: 12 Sep 2009
Location: Courtenay, BC,
Points: 946
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Posted: 25 Mar 2017 at 4:15pm |
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Most engines, particularly older engines with gear or chain driven cams are not interference engines. I.E the pistons will not hit the valves so no damage can be done. Most new high speed, high compression overhead cam engines and belt driven cams are interference engines and major damage can occur if the timing belt breaks or even begins to slip. That is why it is important if your car has a belt driven cam that the belt is changed at or near the recommended intervals.
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Jack of all trades, master of none
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