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TEA 20 Start Switch -- need this bit

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motorv8N

11-12-2007 17:56:47

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I've moved the issued of repairing the original starting components to the top of my to do list considering the safety implications and it looks like I found the reason someone decided to go to key start instead.
Closer inspection showed the plate shattered and one terminal post missing entirely. Through the gap I could see the plunger move up to contact the understide of the switch when I moved the gear stick to S.

After reading several posts about the start linkage falling into the clutch housing during diassembly I decided to remove just this top piece. From there it was easy to lift out the plunger which just sits in the well.

Any suggestions on where I might find a replacement for the broken piece? A used one would be fine and I'm assuming if I clean up the plunger it can be reused along with its spring. The base which I left on the tractor looks fine too.

Thanks for any leads!

third party image

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Jeff-oh

11-13-2007 14:31:14

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Re: TEA 20 Start Switch -- need this bit in reply to motorv8N, 11-12-2007 17:56:47

The "plunger" dropping in is no big deal to make sure it doesn't happen. Here is a picture. Just tie the string before removing the rocker arm pivot pin.

The starter switch assembly is available from sparex.

Jeff

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John (UK)

11-13-2007 12:31:53

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Re: TEA 20 Start Switch -- need this bit in reply to motorv8N, 11-12-2007 17:56:47

You cant get just the top part, you need the whole switch. It isn't so bad fitting a new one, just remove the screws holding it in place and lift it up, you will see the flat rod that operates the switch, just tie some string around it and fasten the other end to something so you can work on it. Remove the cotter pin through the clevis pin that goes through the end of the flat rod and the "L" shaped lever at the switch end and you can then lift it clear and drop the new one into place, just fit the clevis pin through the switch with the rod and lever attached and then drop the switch in place. I wrote the original post about this switch and I only emphasised the need for caution about the rod but a lot have taken this really seriously, it isn't too bad to fit just use string on the rod and you wont have any problems. when you have fitted the switch slide it forward and then tighten it up.The switch is available from a Sparex dealer as part S42538, if you don't know who your nearest dealer is then email:- sparex@sparexusa.com tell them where you are and they will tell you who it is.If you need more info,or pictures, email me....John

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TexMac

11-12-2007 18:30:47

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Re: TEA 20 Start Switch -- need this bit in reply to Jeff-oh, 11-12-2007 17:56:47

There are still some more pieces of that plate missing and a second cable post. If you are lucky, you may be able to fish out enough that nothing binds up. Just hang onto that actuating lever, so it does not drop. Can we say baling wire? third party image

The pieces of plate you have and the button assembly with the spring are all part of one single unit. My MF dealer had one in stock to replace mine. About a 10 minute job. Be careful not to over tighten and strip those copper cable studs.

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