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F-20 Flywheel installer

E

EM Iowa

Member
I'm having a hard time installing my flywheel in the F-20 I'm restoring for FFA. Does anyone near SW Iowa have the dealership tool or a homemade set-up I could borrow for a couple hours? I'd be very grateful. Thanks
 
EM, Nebraska Kirk will be along soon! He has made a treaded collar out of a crank nut. Best thing I have ever seen to install F-20 flywheel.
May be he can post some pictures of his puller/ installer. oldiron29
 
The F-series flywheels are a bear coming off or going on. Although, the going on is a little easier. As previously stated, Nebraska Kirk made a dandy tool for installing. When he sees this, he will probably post a picture. I think there might have been a previous post on it, but dang if I can find it.
 
I have a tool that I made. I think it works better than the OEM tool. If you want to come by sometime with the engine and flywheel, you can use my tool. It works pretty good, 10 minutes max. and the flywheel is on.

Just let me know, Evan, be glad to help if I can.

100_7737_zps1b3819d2.jpg


100_7734_zps7375fc97.jpg
 
Kirk, any special reason you have the "legs" so long on this? I am thinking about copying your idea, and will probably use SCHED 80 1.5" pipe for the legs. Was thinking that 6" would be plenty for the legs, but thought I would run my thoughts past you for input.
 
Tom, I use the 'legs', horrizontal bar and threaded rod for removing and installing crankshafts as well, that is the reason for the extra length on the legs.

Yes, Howard and I both made it home with no poblems, thanks for asking.
 
There is another option, which I used successfully. Simply heat the flywheel on your bbq grill to 300F or so, don your welding gloves, and it will slide on with minimal effor. I froze the pin for a couple hours also.
Takes 2 people to slide it on since the flwheel weighs so much. Install the pin before everything cools. Works like a champ. It was a 1 minute job after the flwheel was hot.
You might want to stage the process first so you can get a feel it.
Learned it from a old crusty F-20 guy and it was crazy how easy it was.
You can spend the time to make the tool, or you can light the grill, install the flywheel and have a brat afterwards with your buddies.
 
Kirk, I soaked the new felt before I installed the flywheel. That area of the tractor hasn"t leaked in 10 years. The belt pulley seal is another can of worms though.
I am thinking the flywheel cooled off quickly enough to not distress the felt. Like I said, I had a guy near us who had worked on F series stuff for several decades pull the flywheel off the crank because it laughed at my puller. Figured if he had success I would give it a try. Seemed to be a pretty good process if you had the grill and an extra set of hands. If you interested, you can find a photo of the finished tractor. Search for f-20 & Lubben in the tractor photos section.
 
I found the picture of your F20, very nice!! I love the story that goes with it!! :lol: :lol:

On the subject of installing the flywheel, heating it up is a pretty good idea! I don't have a BBQ grill and generally work on my tractors by myself without the benifit of extra help. After beating the flywheel on with a block of steel and a big hammer while rebuilding my Regular, I decided I had to try something different. I had already made a flywheel puller and some other tools that helped out a lot while working on the Regular, so I gave it some thought and the installation tool is the result. I have several other tractors to rebuild so this tool will get used numerous times.
 
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