140 Keystart broken key in switch

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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1978cub
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140 Keystart broken key in switch

Postby 1978cub » Tue Dec 01, 2015 7:55 am

The key on my 74 140 keystart broke off in the switch. Any ideas? Does anyone know if IH offers replacement keys that match? Thank you.

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Re: 140 Keystart broken key in switch

Postby Super A » Tue Dec 01, 2015 8:14 am

1978cub wrote:The key on my 74 140 keystart broke off in the switch. Any ideas? Does anyone know if IH offers replacement keys that match? Thank you.

Needle nose pliers? You should be able to get a new key from caseIH.

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Re: 140 Keystart broken key in switch

Postby Don McCombs » Tue Dec 01, 2015 12:20 pm

How about Super Glue? Use sparingly, though. You don't want to glue the stub into the switch. :D
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Re: 140 Keystart broken key in switch

Postby Eugene » Tue Dec 01, 2015 12:58 pm

Remove the switch, place gently in vise with key opening up. Apply solvent to the key opening. You may have to rotate the key counter clock wise a bit to remove the broken off key. Dental pick or similar to remove the key.

New keys are available from locksmiths, auto parts stores, small engine shops, hardware stores.

With new key, operate the lock/switch. Apply more solvent until key easily operates the lock/switch. Once the key operates to your satisfaction, spray the interior of the lock with something like carburetor or brake cleaner to help remove the solvent and built up crud.

It may help to place the lock/switch in a horizontal position with the pins down, that would be with the key teeth down. The solvent will help free up stuck pins and cylinder. If the lock/switch has visible wafers in the cylinder, wafers up, then solvent and clean.
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Re: 140 Keystart broken key in switch

Postby Super A » Tue Dec 01, 2015 2:00 pm

Eugene wrote:Remove the switch, place gently in vise with key opening up. Apply solvent to the key opening. You may have to rotate the key counter clock wise a bit to remove the broken off key. Dental pick or similar to remove the key.

New keys are available from locksmiths, auto parts stores, small engine shops, hardware stores.

With new key, operate the lock/switch. Apply more solvent until key easily operates the lock/switch. Once the key operates to your satisfaction, spray the interior of the lock with something like carburetor or brake cleaner to help remove the solvent and built up crud.

It may help to place the lock/switch in a horizontal position with the pins down, that would be with the key teeth down. The solvent will help free up stuck pins and cylinder. If the lock/switch has visible wafers in the cylinder, wafers up, then solvent and clean.


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I expect he's looking for a key like this. It's IH specific.

Al
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Re: 140 Keystart broken key in switch

Postby Eugene » Tue Dec 01, 2015 3:31 pm

Super A wrote:I expect he's looking for a key like this. It's IH specific.
Not really. Any locksmith or hardware store that makes keys can cut a key from the remaining portion of the broken off key.

It may be a generic key that IH ordered with the same key blank and pin combination for some or most tractors.

Edit: Appears to be a generic key.
http://www.antiquetractorsrus.com/inter ... arts1.html
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Re: 140 Keystart broken key in switch

Postby Boss Hog » Tue Dec 01, 2015 9:17 pm

a new switch is only about 30 bucks I expect the old switch is worn and the terminals are rusty anyway
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Re: 140 Keystart broken key in switch

Postby danovercash » Tue Dec 01, 2015 10:43 pm

If you have room, a switch from an IH truck will have a better quality key. My cub was delivered with a keyed on/off switch. Same key way as the IH bus I drove for twenty years. Two numbers different in code. Hex head B&S key. If you can avoid it, never buy a key/lock with a deep cut near the head. They like to break there.
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1978cub
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Posts: 107
Joined: Wed Nov 05, 2014 8:51 pm
Zip Code: 55125
Tractors Owned: Cub Lowboy w/105 mower
1979 Factory Red Longstripe Cub
1977 Red Longstripe Cub
1964 Cub factory red with white hood
140 International Farmalls
Circle of Safety: Y
Location: St Paul, MN

Re: 140 Keystart broken key in switch

Postby 1978cub » Wed Dec 02, 2015 7:44 am

Thanks all. That is where mine broke and it seems there was a deep cut near the head.


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