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post #1 of 56 Old 09-20-2019, 12:24 PM Thread Starter
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Winter project

When we moved down to Madison, Indiana, I hadn't planned on building any more tractors and I have actually sold some of my tractors since we moved here.
However .. under the circumstances .. I'm glad that this tractor became available to me now because it gives me an interesting and challenging project to work on and it helps take my mind off other things.

.................................................. .................................................. .................................................. .................

So ... for those of you that may have missed my previous post looking for information .. I'll start here at the beginning.
This is what is left of a small tractor that I picked up at the last show I was at.






I had no idea of what it was when I got it and I have since learned that it was originally a Centaur, 2-wheel, walk-behind garden tractor that was built from 1923 thru 1925.
This is how the design of the tractor looked from the factory.




Some one had converted it into a riding tractor a long time ago and I'm going to rebuild it as a riding tractor.
My son gave me this 9HP Briggs & Stratton engine that was built in 1957 and I'm going to use it to power this tractor.






The input shaft on the transmission is in the front and it had a clutch between the engine and the transmission.




I want to put the Briggs engine inline like the original engine was and I need to make a clutch system for it so I picked up this flywheel and clutch parts off a Farmall Cub to put on the Briggs engine.




I'm using a piece of 3" diameter steel to make the flywheel adapter out of.
This is chucked up in my lathe and both ends have been squared off.




Then I bored it out to fit on the Briggs crankshaft.




It fits snugly onto the crankshaft.




And it also fits snugly into the back of the flywheel.
The Briggs engine has a starter/generator on it already so I removed the starter ring gear from the flywheel.




The crankshaft sticking out the back of this engine does not have a keyway in it so I need to come up with a good way to lock this flywheel adapter so it won't spin on the crankshaft.

I have four 3/8-24 setscrews that have a pin boss machined on the end of them and three regular setscrews and I'm going to use them to lock the flywheel onto the crankshaft.




First I drill and tap three holes on the end of the adapter that goes toward the engine.






Then I turn the adapter around and drill four holes that are .002 larger then the diameter of the pin boss on the set screws.




The adapter is slid onto the crankshaft and tightened down with the three setscrews.
Then the four locating holes are drilled into the crankshaft.
I'm using spacers on the drill so all of the holes are drilled to the same depth.




The pin boss on the ends of the setscrews will set down into these holes and keep the adapter from rotating on the crankshaft.
When I tighten the seven set screws in the adapter down onto the crankshaft, I will then screw another set screw down on top of those first setscrews to lock them in place.




The adapter is set back up in the drill press and the four holes are then drilled out and tapped.




Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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post #2 of 56 Old 09-20-2019, 11:02 PM
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Re: Winter project

ill be watching from time to time

john
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post #3 of 56 Old 09-20-2019, 11:56 PM
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Re: Winter project

When I saw the new thread by you I had to click quick! Sounds interesting, looking forward to following along!

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post #4 of 56 Old 09-21-2019, 12:44 AM
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Re: Winter project

That Briggs should be a good match, looks like a great project.

Scott
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post #5 of 56 Old 09-21-2019, 11:39 AM
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Thumbs up Re: Winter project

I'm right here w/ you--Ray...boy ==another unusual and interesting combination ...

glenn


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post #6 of 56 Old 09-21-2019, 06:57 PM Thread Starter
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Re: Winter project

With the flywheel sitting on the adapter, I use a center punch to mark the location of the dowel pin.




This hole is then drilled out and finished to size with a reamer.




Then the dowel pin is pressed into it.




With the dowel pin installed, the four bolt holes can then be center punched.




Then those holes are drilled out and tapped for the mounting bolts.





The only thing left to finish this part of the project is to make a pilot bearing.
Here I have turned down a piece of brass to fit into the hole in the end of the adapter.




The brass is cut to length and then I turn it around and face off the end.
Then the hole is drilled in the center and finished to size with a reamer.



The pilot bearing is then pressed into the end of the adapter.



The flywheel is finally bolted onto the adapter.




The transmission shaft is set in place to line up the clutch disk and the pressure plate is bolted down to the flywheel.




The finished flywheel is slid onto the end of the crankshaft and all of the setscrews are tightened down.




This flywheel felt kind of heavy as I was working with it and I thought about putting it on my son's bigger lathe and turning the back side of it down to lighten it up some.
I set the flywheel on my digital weight scale and was surprised to see that it only weighs 20 pounds.

...... 20 pounds didn't use to feel this heavy when I was younger ...... anyway .. with it only weighing 20 pounds, I don't feel that I need to cut it down any.



Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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post #7 of 56 Old 09-22-2019, 06:17 PM Thread Starter
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Re: Winter project

It is now time to start taking the tractor apart.
This has been sitting outside for longer then some of you have been alive and it is all rusted up tight.

Now I know that there have been a lot of discussions on the best way to loosen up rusted bolts an such by using all sorts of penetrating oils and even electrolysis.
By far though, my favorite way to loosen rusted bolts is with a ' hot wrench '.
Granted, a hot wrench may not always be available and it can even be dangerous to use it in some areas .... but if you can use it, then it is much more effective in loosing up rusted parts then anything else that I have tried.

From left to right .. here are the necessary tools to disassemble this tractor:
My hot wrench ( a acetylene torch ).
A special tool for removing the ball & socket type tie-rod ends.
Punches for removing cotter pins and drift pins.
A brass punch for putting pressure on things without damaging them.
An adjustable crescent wrench because these old square nuts and bolts aren't always a standard size.
A vice-grip to hold a nut or bolt that is rounded off or rusted really bad.
Pliers to pick up the hot items.
Regular hammer to persuade the stubborn items to move.
A bigger hammer to persuade the really stubborn ones.




Heating the rusted end up on one of the tie-rod ends.




And using the special tool to unscrew the end cap.




I had to cut the mounting brackets off with the torch to get the front axle off.
Here I'm using the brass punch to force the axle out of the wheel.




Whoever built this tractor has rotated the rear axle 90 degrees from the way it was original mounted.
By doing this, the cup on the grease fitting can't be removed because it is sitting right under the transmission.




After about two hours of work today, I have managed to remove these parts from the tractor.






Only the rear axle is left to remove from the frame.




Once I get it off, then I'll need to work on getting this differential with its open spider and ring gears apart.






Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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post #8 of 56 Old 09-22-2019, 08:06 PM
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Re: Winter project

Subscribed....this looks like it will be a cool build.

"I've learned that pleasing everyone is impossible, but pissing everyone off is a piece of cake"

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post #9 of 56 Old 09-22-2019, 08:23 PM
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Re: Winter project

I dont post much anymore on here but i do drop in from time to time and if this is going to be built like your other tractors everyone get a cup of coffee and enjoy the read. this man does good work

78 Sears GT/14
78 Bolens G14
57 Farmall Cub

I'm Sure Theres Others Somewhere Lol


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post #10 of 56 Old 09-23-2019, 03:45 PM Thread Starter
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Re: Winter project

I managed to get the retaining pin to move in the rear axle.




And was able to remove the spacing nut and the washers without any trouble.

This is not a threaded nut, it has three pin grooves machined into it and each one is at a different depth from the face of the nut.
You set the clearance for the ring and pinion gears and then rotate this spacer nut until one of the pin grooves lines up with the hole in the axle.
Then you put the pin in place to hold the wheel on.




This wheel has a grease cup on it and there was enough grease still inside the hub to keep it from rusting to the axle so it slid right off.




I was glad to see that none of the teeth are cracked or broken on this half of the ring gears.




The sprocket does not have a grease fitting on it like the wheel and it took some time to get it worked loose.




Again, I'm glad to see that there are no broken teeth on this half of the ring gear too.
The axle turns freely in the housing so this is as far down as I'm going to go with this rear end.
I'm working with cast iron that is anywhere from 94 to 96 years old and it was most likely not a high grade cast iron to start with, not like you will find in more expensive tractors and in cars.
I consider myself extremely lucky that I haven't already cracked or broken anything with all of the heating and hammering that I've been doing on it.




I clamped the sprocket up in the vice to work on getting the pinion gears loose.




The pin that holds them in place is put into a blind hole so I can't get to the other end of the pin to use a punch to get them out.
I have gotten the gears to rotate but the pins are rusted into the gears so it is the pins that are rotating in the housing and not the gears rotating on the pins.

I have decided to leave them this way.
These pinion gears only rotate when the tractor is making a turn and the inside wheel needs to go a little slower then the outside wheel.
The pinion gears themselves don't rotate very much at all to allow the tractor to make the turn and with this tractor just being taken to tractor shows, these gear pins will never wear the holes out in the casting.




I was also glad to see that the cap came off the grease cup on the axle housing without any problem.




Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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post #11 of 56 Old 09-23-2019, 04:32 PM
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Re: Winter project

I guess that's one of the original "open" diffs...
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post #12 of 56 Old 09-24-2019, 11:43 AM Thread Starter
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Re: Winter project

I removed the rear axle from the frame this morning.

This is the position it will be mounted in on the frame when I rebuild this tractor.
The mounting brackets will bolt to the underside of the frame and the frame rail will have slots milled into it so the axle can be slid forward or backward to adjust the tension on the drive chain.

The the end was broken on the right mounting bracket so it will have to be welded back on.




The brackets for the draw-bar hitch were removed along with the two ball brackets for the radius arms from the front axle.




This is what is left of the frame and it will be going to the scrap yard.
I'm going to build a new frame using the same U-channel that I built the frame out of for the R/T tractor.




Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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post #13 of 56 Old 09-30-2019, 07:26 PM Thread Starter
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Re: Winter project

The ends of pieces of the broken axle mount are cleaned up and a piece of steel is clamped in place to hold the pieces inline.




The broken end is welded on and then a piece of flat steel is welded onto the bracket to reinforce it.




The surface of this mounting bracket that will fit up under the frame is ground off smooth.




The hub of the sprocket doesn't have a way to grease it other then excess grease from the axle housing and the wheel seeping into it so I added a grease cup fitting to it.




I ground a groove around the inside of the bore so the grease can spread all around the axle easily.




The sprocket and wheel are assembled on the axle and the hub tension nut is mounted with a new locking pin.




Here's how the new grease fitting looks between the two ring gears.




I held the other wheel still and rotated this one some and the sprocket with the ring and pinion gears rotated like it should ( note the relationship of the grease cup on the wheel and the grease cup on the sprocket in the two photos ) .






View of the axle from the back.




Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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post #14 of 56 Old 09-30-2019, 08:19 PM
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Re: Winter project

jdcrawler,

Very interesting post, I'm along for the ride.

Since V&B Hammers are made here, I'll inject what I can, Ball Pein and Farrier Hammers.

That's about all the help I can give!

CCMoe

CCMoe

2000 John Deere 455
1991 Ingersoll 4018
1988 Cub Cadet 1720
Cub Cadet 1320
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post #15 of 56 Old 10-01-2019, 05:49 PM Thread Starter
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Re: Winter project

Today I pulled the top off the transmission and the gears look really good.
They rotate freely and the engagement gear slides easily between the forward and reverse gears.




On closer inspection I see that the key is broken on the pinion gear and the keyway in the gear is gouged out.




So ... I'm leaving that problem for the moment and will come back to it later.
The shifting lever slides a shaft in and out to change gears and that shaft is frozen up.




There is a threaded plug in the top of boss on the transmission that I assume has a ball and spring that hold the shifter in place.
I learned long ago to go ahead and try to move something before I reach for the hot wrench and in this case it worked.
The plug unscrewed and the spring and ball fell right out.




I clamped the top of the transmission in the vice and used emery cloth to sand the rust off both of the exposed ends of the shaft.
The shaft still wouldn't move so I heated up the housing on each side a little and it soon started moving freely.
The three photos are positions of the shift lever for : forward ...



neutral ...



reverse ...




The transmission had three mounts to fasten it to the frame but one of them has been broken off and that side of the transmission was fastened to the frame by an L-bracket at the front and another L-bracket at the back that was attached to the bolt sticking out of the side of the transmission.

You can see that someone had tried to repair the original mounting bracket using brazing rod but it didn't work.
I'm going to have to come up with a stronger mount for that side of the transmission but I won't worry about that until I'm ready to mount it on the frame. ( as a side note ... I think I may have uncovered some original paint here )




This tractor has absolutely no provision for any sort of braking system.
I picked up this 4 inch drum and band brake set at the tractor show last week and I'm going to use it for a brake on this tractor.




I want to mount it on the drive sprocket but I need to get that sprocket off the transmission in order to be able to fit the drum to it.
The set screw turned freely without having to use any heat.
I tapped the sprocket with a hammer and it seamed pretty solid so I put a puller on it and it started to move without too much effort.




The sprocket and key came off without too much trouble.




Now ... back to the broken key in the pinion gear ....
I took the cover off the left side and removed the bearing.
The shaft would move a little but wouldn't come out.




I took the cover off the other side and there is a thrust bearing on that side.




I can pull the shaft part way out this side and you can see the broken key.




This shaft has a collar on each end that the bearings ride on and the keyway is in-between these two collars.
I have tried using a big brass punch to force the shaft out of these collars and neither one of them will budge at all.
I don't want to use heat on them because that will destroy the temper in them.

I'm stumped ... one of these collars have to come off in order for the shaft to slide out of the gears.
............ Can anyone tell me how to get one of these collars off ? .............




That's enough for today, I turned the transmission upside down to let the oil drain out of it for the night and came inside to post this.




Ray

1945 John Deere Lindeman crawler ( modified )
1947 FMC Bean Cutler ( flat belt drive )
( 2 ) 1948 Bolens Ridemasters type #35AA01
1953 Bolens Ridemaster 35AB03 ( modified )
1937 Shaw Du-All tractor conversion
1939 Viking / Standard Twin
1962 Panzer model T70
"R/T" home made tractor
http://www.youtube.com/watch?v=-1aD1wn7yNE
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