Started to restore the Demonstrator

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1950 Cub Demonstrator
Posts: 46
Joined: Sat Apr 11, 2015 5:14 pm
Zip Code: 02747
Tractors Owned: 1950 Cub Demonstrator
1967 Cub Cadet 123 with Loader
John Deere 420

(Previous Tractors)
Cub Cadet Original-4 digit serial
Cub Cadet 105
Cub Cadet 125
Cub Cadet 122
Circle of Safety: Y
Location: Smith Mills, Massachusetts

Started to restore the Demonstrator

Postby 1950 Cub Demonstrator » Wed Apr 29, 2015 1:21 pm

Well I started the sandblasting process, got the fenders, and hood done. Took out the bodywork hammers and dollys and straightened out the few small dents in the hood(3) and 1 in the fender. I also had the 193 sandblasted to get ready for a primer coat. I plan on using all metal for the work. Anyone have experience with this product. Also use an etching primer first to seal everything good before the actual primer coat? Any suggestions.

ScottyD'sdad
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Joined: Thu Aug 31, 2006 7:00 pm
Zip Code: 02769
Tractors Owned: 6"F" cubs
5 lo-boys
1 154
1 184
1 IH444
1 Oliver OC3 crawler
1 AC D10
1 IH 100 manure spreader
1 IH model B corn grinder
3 power units
cub demonstrator
Circle of Safety: Y
Location: Ma. Rehoboth

Re: Started to restore the Demonstrator

Postby ScottyD'sdad » Wed Apr 29, 2015 1:55 pm

Brad, Rob in NH recommends self etching primer,and he's a body man, and superb painter.
Ed
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Circle of Safety

1950 Cub Demonstrator
Posts: 46
Joined: Sat Apr 11, 2015 5:14 pm
Zip Code: 02747
Tractors Owned: 1950 Cub Demonstrator
1967 Cub Cadet 123 with Loader
John Deere 420

(Previous Tractors)
Cub Cadet Original-4 digit serial
Cub Cadet 105
Cub Cadet 125
Cub Cadet 122
Circle of Safety: Y
Location: Smith Mills, Massachusetts

Re: Started to restore the Demonstrator

Postby 1950 Cub Demonstrator » Wed Apr 29, 2015 2:15 pm

Then that is the way I will go.


Next question..... Sandblast, prime, inspect /change seals then finish coat? Would that be the best order of operations.


OR should i take it all apart to inspect first, then fix anything that might need to be fixed, then sandblast, etc...

ScottyD'sdad
Cub Pro
Cub Pro
Posts: 6474
Joined: Thu Aug 31, 2006 7:00 pm
Zip Code: 02769
Tractors Owned: 6"F" cubs
5 lo-boys
1 154
1 184
1 IH444
1 Oliver OC3 crawler
1 AC D10
1 IH 100 manure spreader
1 IH model B corn grinder
3 power units
cub demonstrator
Circle of Safety: Y
Location: Ma. Rehoboth

Re: Started to restore the Demonstrator

Postby ScottyD'sdad » Wed Apr 29, 2015 3:43 pm

I'd take it apart and inspect. Don't sandblast anything with seals or bearings. Precision surfaces, and grit, are not a good mix, especially with oil added.
Ed
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Circle of Safety

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Sailor
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Posts: 331
Joined: Fri Mar 28, 2014 7:59 pm
Zip Code: 42261
Tractors Owned: 1948 Farmall Cub
Ser.# 16812
Circle of Safety: Y
Location: KY, Morgantown

Re: Started to restore the Demonstrator

Postby Sailor » Thu Apr 30, 2015 7:50 am

ScottyD'sdad wrote:.... Don't sandblast anything with seals or bearings. Precision surfaces, and grit, are not a good mix, especially with oil added.
Ed

Outstanding advice! Even with the seals/bearing removed it's still not a good idea. It took me forever to remove all the grit from my final because I hadn't flushed out all of the fluid from the inside.
1948 Cub
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bob in CT
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Posts: 5999
Joined: Thu Jun 07, 2007 9:34 am
Zip Code: 06040
Tractors Owned: 77 Cub (red); 74 Cub; 52 Cub; 50 Cub ( post-demo)
Circle of Safety: Y
Location: CT, Manchester

Re: Started to restore the Demonstrator

Postby bob in CT » Thu Apr 30, 2015 8:39 am

You only want to sandblast clean, dry parts. If you want to blast a complete, assembled tractor, have it soda blasted. It will remove grease and paint and not hurt seals or even headlight glass.

However, bear in mind that the seals that were available in 1950 were leather seals and they are not the greatest. At 65, they are ready for retirement.

Also, if you don't know about painting, budget a fresh air supply respirator into the project before you do irreparable damage to your health.

1950 Cub Demonstrator
Posts: 46
Joined: Sat Apr 11, 2015 5:14 pm
Zip Code: 02747
Tractors Owned: 1950 Cub Demonstrator
1967 Cub Cadet 123 with Loader
John Deere 420

(Previous Tractors)
Cub Cadet Original-4 digit serial
Cub Cadet 105
Cub Cadet 125
Cub Cadet 122
Circle of Safety: Y
Location: Smith Mills, Massachusetts

Re: Started to restore the Demonstrator

Postby 1950 Cub Demonstrator » Thu Apr 30, 2015 5:50 pm

bob in CT wrote:You only want to sandblast clean, dry parts. If you want to blast a complete, assembled tractor, have it soda blasted. It will remove grease and paint and not hurt seals or even headlight glass.

However, bear in mind that the seals that were available in 1950 were leather seals and they are not the greatest. At 65, they are ready for retirement.

Also, if you don't know about painting, budget a fresh air supply respirator into the project before you do irreparable damage to your health.


I have decided to take the Cub apart and do piece by piece with a wire wheel. I have spoken to Ed and Rob about this and will heed their advice. They know far more than I ever will. I will also be looking into a fresh air respirator as this has been recommended by many I have decided on urethane paint as well, seems to hold up the best. I will bring the rest of the sheet metal parts to the sandblaster, all castings will be done by hand.

Rob in NH
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Zip Code: 03848
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Tractors Owned: 1947 circle cub
1950 cub demonstrator
1957 cub
1967 cub
Circle of Safety: Y
Location: NH, Kingston

Re: Started to restore the Demonstrator

Postby Rob in NH » Thu Apr 30, 2015 6:12 pm

post plenty of pictures
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bob in CT
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Posts: 5999
Joined: Thu Jun 07, 2007 9:34 am
Zip Code: 06040
Tractors Owned: 77 Cub (red); 74 Cub; 52 Cub; 50 Cub ( post-demo)
Circle of Safety: Y
Location: CT, Manchester

Re: Started to restore the Demonstrator

Postby bob in CT » Thu Apr 30, 2015 6:32 pm

Wear leather chaps and an apron if you are doing that much wire wheeling or you will end up importing broken wires into the laundry via your clothes and then they get everywhere. There was hell to pay when one ended up in her bra. I had to have one removed from a toe by surgery as it was buried. I have the x-ray somewhere. It was almost as long as the width of my toe. Didn't feel it at all working its way in. Also keep in mind that the paint has lead in it. I would never wire wheel a tractor again. It is a colossal mess.

Get a roofer's magnet to pick up the broken wires.


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