Deere 33 Tiller Manual

  1. John Deere 33 Tiller Manual
  2. John Deere 33 Tiller Manual Pdf
  3. John Deere Model 33 Tiller Manual
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Publications for Model '33 ROTARY TILLER BASE UNIT' Following is a listing of all publications matching the search criteria. Publications available in electronic format are indicated by a hyperlinked Part Number. Visit the to purchase Operator's Manuals, Parts Catalogs, Technical Manuals, and other publications that are not available in electronic format. Publication Type Part Number Title Language Operator's Manual OMM49211 33 Integral Rotary Tiller English Parts Catalog PC1092 33 Tractor-Mounted Tiller English Parts Catalog CD-ROM PC1092CD 33 Tractor-Mounted Tiller English Flat Rate Manual FRM108 Grounds Care Products English Operators Manual CD-ROM OMM49211CD 33 Integral Rotary Tiller English.

John Deere 33 Tiller Operators Manual

Benchtest.Com - Garage - Rebuilding the Deere 33 Tiller - 3 Jim's Garage Rebuilding a Deere 33 Tiller - part 3 September 26, 2012 Slipper Clutch When I disassembled the slipper clutch, I found that the outboard clutch disk was in bad shape. The inner hole was egg shaped and it appeared that the disk had not been aligned on whatever kept it centered in the clutch pack. I figured that it might have been assembled wrong, but put off judgment until I had the time to focus on it. Now was the time.

Jan 01, 2017 I am not well versed on JD tiller model numbers, but the model 33 tiller was designed to fit the earlier 'closed frame' hydrostatic drive tractors. This included the 120, 140, 300, 316 with Kohler single cylinder engine, 312, 314, and 317. A shaft is added to the hydro to belt drive the tiller. Description This Used John Deere 33 Integral Rotary Tiller Operators Manual provides operator information for operating and maintaining your John Deere 33 Integral Rotary Tiller. Used John Deere 244E Loader Parts Manual John Deere 5-Speed Bicycle Operators Manual Check out these John Deere 33.

Fresh from the solvent tank. You can see the egg-shaped hole in the one clutch disk. The Deere parts diagram for the clutch assembly. The bushing in question is part #7. The slipper clutch is a pretty simple device. It is designed to allow the sprocket (#8) to slip between the clutch disks (2 pieces shown as #6) if the tines should stop due to hitting a large root or rock.

I purchased a pair of new disks from Deere and after cleaning the clutch pack, I assembled the clutch so I could see why the outboard disk inside hole had been worn away. What I found surprised me. The bushing (#7) that the sprocket rides on didn't seem to be wide enough to support both the sprocket and the clutch disks. The clutch pack is assembled as follows: The support plate (#10) has a collar (#9) that centers the bushing (#7) which has a thickness of about 0.320'. The first clutch disk which is about 1/8' thick fits over the bushing.

This leaves another 3/16' of the bushing to mount the sprocket on - meaning that the bushing only comes a little more than half-way through the sprocket. Once you add the second clutch disk, there is no bushing protruding to support the inner hole of the clutch disk. Of course it is going to flop around since it's not supported. Chilton automotive repair manual.

My question was what could have possibly happened that would cause this. I wouldn't have expected the engineers at Deere to design it this way. The clutch disks (part number M43389) are now listed the same for all models. However I have a very early tiller - serial 2549 - and the rear clutch plate (#10 - hub) mounts on a 3/4' shaft. After serial number 8628, the shaft size was increased to 1'. From the JD parts listing, the collar (#9 - bushing) doesn't change after serial 8628, so it appears that they just reamed the hole from 3/4' to 1' without changing the outer dimensions.

The bushing that the sprocket rides on does change, but not until serial 488001. Even if the bushing was made to be thicker at that point, would Deere have shipped almost a half million tillers with the outer clutch disk left unsupported? That seems a little hard to believe. With the rear clutch disk and sprocket installed, the bronze bushing doesn't even reach to the top if the sprocket inner hole. As you can see, the bronze bushing isn't tall enough to support the outboard clutch disk. The disk is free to flop around. Very strange.

I did some more thinking on the issue. Another possibility was that if the bushing was a press fit on the sprocket and evenly centered, there'd be 0.027' of bushing on either side of the sprocket to support the pair of disks. I wouldn't think that would be enough bushing to support the disks, but perhaps I am wrong. Oh well, I've done enough speculation on what might have happened. At this point, my issue was what could I do to fix it? What I decided to do was to machine a new bushing that was thick enough to support both clutch disks and the sprocket.

The new question was how thick to make the bushing. If I made the thickness equal to the thickness of the two clutch disks and the sprocket, as soon as the disks wore even a slight amount, the disks would slip between the two hubs (#5, #10). That wouldn't do. I decided on making the bushing thick enough to support the inner clutch disk, the sprocket and a portion of the way through the outer clutch disk.

John Deere 33 Tiller Manual Pdf

That should allow for each clutch disk to wear a bit before I would have trouble with the sprocket slipping due to the bushing's interference. To make a new bushing, I decided to use some aluminum that I had on hand. Bronze/Oilite would wear better, but I didn't have any bronze large enough and there really shouldn't be much wear on the bushing unless I am trying to till a boulder field - hopefully that's something that I will try to stay away from. To make the bushing, I started by boring the center hole to 3.006' and facing the front side flat. Making the last facing cut on the new aluminum bushing. I chucked up some 6061 aluminum scrap and bored a hole to 3.006'. The original bushing's inside diameter measured 3.010' and it was a little loose on the 3' collar (#9 bush), so I reduced the diameter a bit.

I then faced the side of the bushing flat. I changed chucks to one that could grip the inside diameter and turned the outside diameter to 3.495'.

Of the original bushing was 3.490'. This would be a close slip-fit on the 3.5' bore of the sprocket and clutch disks. I then faced the other side until I reduced the thickness of the bushing to 0.495'. This would give me 0.075' of wear on the total thickness of the two clutch disks before the bushing would interfere with clamping action of the slipper clutch.

The combined thickness of both disks and sprocket was 0.570'. The sprocket thickness was 0.320' and each clutch disk was 0.125'. If I find that the clutch disks wear quickly and they end up slipping, I can always reduce the thickness of the bushing to compensate for the wear.

Accessing the clutch pack is a pretty simple job. You can see the difference in thickness between the new aluminum bushing and the stock bronze one.

The rear collar is also shown. If you enlarge the image, you'll see that there is now just a slight step between the height of the disk and the new bushing. No more floppy clutch disk. Once I had the new bushing machined, I compared the parts, then assembled the clutch pack on the bench.

I measured the difference in height between the bushing and the top face of the outboard clutch disk. It was very close to my projected 0.075' estimate. Update: While re-reading through the original manual that was shipped with the tiller, I came across a picture that seems to allude to the fact that the bushing was press fit into the sprocket. The sprocket is shown with the bushing installed and not as a separate part as it appears in the JD parts picture. Just enough bushing protrudes from the sprocket to center both clutch disks. While I didn't see any wear on the outer diameter of the the original Oilite bushing and the inner bore of the sprocket didn't appear to be polished from the bushing spinning in the sprocket, it is still possible that the bushing was a light press fit in the sprocket. This new information does not change my mind about my repair.

In the worst case scenario I may have to reduce the thickness of my new bushing some time in the future to make up for clutch disk wear, but I will take that chance. The slipper clutch is installed along with a new #50 chain and my Delrin faced tensioner. The saw blade points to the nut that I needed to loosen in order to get the chain cover installed.

I had purchased some new #50 drive chain in a 10 foot length. I counted out 59 links and cut the chain. 59 links plus the removable half-link gave me the requisite 60 links. I added the tiller mount and bolted on the angle drive.

I threaded the new chain around my repaired and Delrin faced chain tensioner and gave the chain a spin. It appears that the repaired tensioner is going to work out just fine. Hopefully the Delrin doesn't wear too quickly. Installing the chain cover wasn't as easy as I thought it would be. The shape of the cover prevents it from being slid on from above and there isn't enough space to get the narrow (bottom) end of the cover past the rectangular section of the angle drive and on to the cylindrical snout that leads to the gear.

The manual doesn't cover this at all. It just says to remove and replace the cover. I ended up loosening the large nut on the back side of the inner cover and pushing the back side of the cover away from the direction of the angle drive. This gave me just enough room to pry the front cover into place. I cut down some 1/4'-20 screws so that the threaded portion was about 3/8' and used these to hold the cover in place. There's a hidden screw between the cover and the tiller body. It was replaced with a shortened bolt as there is no way to get a screwdriver between the cover and tiller body, but there's plenty of room for a wrench.

As I said early on, I broke the bar that sets the width for the tractor mount section of the tiller. I had initially thought I would bend up a new one using some 1/2' bar stock. I finally decided that there was an easier way to go. I shortened the bar enough that I could add in a 1/2'-13 coupling nut, then cut some new threads on the end of the bar and added another piece of threaded rod to the other end of the coupling nut. While it looks like a repair, it will work fine and that's what I am after.

After a bit of fighting, I was able to get the outboard chain cover in place. The spreader bar broke at the beginning of the threads. I cut another section out, then added threads to the end for the coupling nut.

When I tried moving the lever that engages and disengages the idler pulley, I found that I couldn't move the lever into the engage detent without the idler pulley hitting the main drive sheaves. There is a spring assist to keep tension on the belt and a locking collar to limit the travel of the idler pulley. Of course the set screw on the locking collar was frozen and I had to remove the assembly to the bench to get a better grip on it so that the set screw could be removed. Once I removed the screw, I cleaned up the shaft, gave it another coat of paint and reinstalled it. I adjusted it so that the idler stopped a little further from the main sheaves. I left the nuts that adjust the spring tension finger tight so I can set the tension once the belts are installed. The idler pulley adjustment collar is set so that the pulley doesn't hit the main belt sheaves.

Service

I still need to fabricate some flaps that will cover the extension tines. I am thinking of making these from 16 gauge sheet steel. I am pretty much finished with the tiller. At some point, I need to make a couple flaps for the rear end of the extension housings, but I may use the tiller without these parts for now. The weather is turning cold and I am running out of time. I want to till a sodded area for a much larger garden so it can decompose a bit over the winter and I still need to design and fabricate a PTO shaft and double sheave to power the tiller. After some reading, I have also decided to run the tiller without the oval end plates installed.

The end plates make it more difficult for the tiller to dig as deep as it would without using the plates. It would seem that the purpose of the end plates is to prevent your plants from getting sucked into the tiller when cultivating between rows. That won't be an issue for me at this time. I also may need to remove one or both of the extensions for tilling this new patch of land. I do plan to plow before I till, but the soil is pretty heavy with clay and I don't know if the tiller will be able to handle the hard clay and sod with both extensions in place. I guess I will find out soon enough.

I still need to make all of the final adjustments on the tiller. I can't do that until I have it up and running.

I set the depth control bolts to the middle position and will adjust them up or down depending on how well it tills in this position. Hopefully I will get this all done in the next couple weeks.

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John Deere 33 Tiller Manual

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John Deere 33 Tiller Manual Pdf

John deere 33 tiller manual

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John Deere Model 33 Tiller Manual

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