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Allis Chalmers Discussion Forum
:

wd or wd 45 governor

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khouse6

05-05-2015 06:16:52




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recently bought an allis chalmers. my first. i have the throttle lever set and motor idling. i move the throttle lever a fraction of an inch and motor goes wide open. i believe that this is a problem with governor. can the governor be rebuilt?




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DrAllis

07-16-2015 10:17:49




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 Re: wd or wd 45 governor in reply to khouse6, 05-05-2015 06:16:52  
TDC is probably just a chisel mark 2 to 3 inches to the left (as you are looking at it) of the FIRE mark.



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khouse6

07-16-2015 10:28:22




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 Re: wd or wd 45 governor in reply to DrAllis, 07-16-2015 10:17:49  
Quoting Removed, click Modern View to see

thanks



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DrAllis

05-11-2015 10:56:42




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 Re: wd or wd 45 governor in reply to khouse6, 05-05-2015 06:16:52  
[quote="khouse6"](quoted from post at 19:45:55 05/10/15)
there may be a governor problem. however, i disconnected the carb from governor and it still does this. a little movement (of throttle shaft) causes engine to go wide open.

Your perception of "wide open" and the reality of what speed the engine is actually running (I think) are two different things. At "wide open" throttle no-load, the engine should be running 1700 RPM. It takes VERY LITTLE movement of the throttle butterfly lever to go from idle (400 RPM) to full speed (1700 RPM). I don't even know what the movement would be.....maybe 1/4" ??? You think there's something wrong and I'm doubting that there is anything wrong. If you haven't checked for a broken governor weight, you're wasting time.

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khouse6

05-10-2015 19:45:55




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 Re: wd or wd 45 governor in reply to Tramway Guy, 05-05-2015 06:16:52  
there may be a governor problem. however, i disconnected the carb from governor and it still does this. a little movement (of throttle shaft) causes engine to go wide open.

ordered repair kit for carb. includes butterfly shaft. maybe this will work. ??

had a mechanic look at carb and he does not understand it. sigh



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khouse6

07-16-2015 09:26:42




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 Re: wd or wd 45 governor in reply to khouse6, 05-10-2015 19:45:55  
[quote="DrAllis"](quoted from post at 18:56:42 05/11/15) Quoting Removed, click Modern View to see
o kay. i am wrong and you are correct about governor problem. there is a bushing type thing that slides along the shaft, on the governor that was seized to the shaft. this would disable the governor. the governor could not operate. now, i have replaced the governor, distributor, etc. and need to re time the distributor. removed the flywheel inspection plate and i can only find a mark that is labeled F. i assume that is fire. i tried to time to this and motor would not start. i will try to manually find tdc and time to that. advice is appreciated.

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Duey (IA)

05-10-2015 19:21:23




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 Re: wd or wd 45 governor in reply to khouse6, 05-05-2015 06:16:52  
Just like Dr Allis said......look for a broken governor weight. Try to find all of the parts as they tend to end up behind the cam gears just waiting to get into the gears and cause you MAJOR problems. You may end up taking the timing gear cover off and possibly the pan to get all of the broken parts.



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khouse6

05-07-2015 18:43:17




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 Re: wd or wd 45 governor in reply to rosedale123, 05-05-2015 06:16:52  
removed carb today. butterfly shaft or body is worn. shaft wiggles within. still do not see anything that would make it go wide open.
maybe she is mad at me. :shock:



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BushogPapa

05-07-2015 16:05:34




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 Re: wd or wd 45 governor in reply to khouse6, 05-05-2015 06:16:52  
I always "try" to NOT make my WD-45 MAD. but sometimes I do and when I do, it gets MAD and the governors slam wide open for a second or two...

They were known for a sensitive governor and would rattle Slip-clutches when they did..!!!

Hope you don't have a problem..

Ron..



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Aaron SEIA

05-06-2015 16:44:21




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 Re: wd or wd 45 governor in reply to khouse6, 05-05-2015 06:16:52  
You can take the front cover off the gov and see what is wrong. I don't think changing from the stock rod to another one is going to fix the problem.

AaronSEIA



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DrAllis

05-06-2015 07:55:46




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 Re: wd or wd 45 governor in reply to khouse6, 05-05-2015 06:16:52  
Let's go thru the proper governor adjustment first. Engine off. Hand throttle set to wide open. Behind the generator, there is a vertical governor arm with a link rod connected to it and the carburator. Remove the cotter pin from the link rod and pull the link rod free from the vertical governor arm. The link rod length should be just short enough to just slide back into the vertical arm hole WITHOUT MOVING THE VERTICAL ARM. If link rod is too long, bend the link rod in the middle a bit or kink it on one end to make it the correct length. If you still have throttle issues (assuming there is not any linkage binding issues) your governor weights must have exploded. They are on the other side of the engine where you pour in the engine oil. You must "time" the distributor when removing and installing the governor assembly.

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khouse6

05-06-2015 15:51:21




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 Re: wd or wd 45 governor in reply to DrAllis, 05-06-2015 07:55:46  
i started the engine today. removed the governor to carb linkage, as suggested and ran throttle up and down by hand. engine goes from idle to wide open, by moving the throttle rod barely a 1/4 inch. this seems too much.

i am thinking about removing carb. and removing arm from butterfly shaft and installing a longer one (or extend the existing one). this should help the problem.



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DrAllis

05-06-2015 19:42:12




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 Re: wd or wd 45 governor in reply to khouse6, 05-06-2015 15:51:21  
Quoting Removed, click Modern View to see Soooo, you think you're going to re-design the carburetor throttle shaft lever???? are you serious??? There are about 400,000 of these WC-WD-WD45 tractors built and have always had the same carb throttle shaft lever length since the model WC. Now, because you have trouble you're going to change that instead of adjusting the linkage like I told you to, or if that governor arm adjustment was correct, to check for broken governor weights, and you think the problem is a design flaw????????? Good luck!!

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khouse6

07-15-2015 08:22:22




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 Re: wd or wd 45 governor in reply to DrAllis, 05-06-2015 19:42:12  
o k, o k.

removed front cover from governor. removed throttle rod and carb rod. governor rod moves about an inch without any resistance.
hard to see, if anything is wrong, without going deeper. do i have to remove radiator, hood and such to inspect the governor? looks like that i do.



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khouse6

07-15-2015 10:04:24




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 Re: wd or wd 45 governor in reply to khouse6, 07-15-2015 08:22:22  
o k

removed distributor and governor. weights are new looking. little bearing like part that slides on shaft was rusted onto shaft. i have got it freed up. now to re install distributor and time it



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