MT225E Random Cotter Pin

   / MT225E Random Cotter Pin #1  

Waffles

New member
Joined
Sep 1, 2020
Messages
23
Location
SLO, CA
Tractor
MT225HE
I was checking out my under carriage and saw a cotter pin that appears to do nothing. Does anyone else have this?

1.jpg

2.jpg
 
   / MT225E Random Cotter Pin #2  
I'm wondering if that is a drain hole for the clutch area? If oil starts to drip out, a seal is leaking. The cotter pin keeps it from plugging as it moves around.
 
   / MT225E Random Cotter Pin #3  
I'm wondering if that is a drain hole for the clutch area? If oil starts to drip out, a seal is leaking. The cotter pin keeps it from plugging as it moves around.

Agree. I've seen this technique used on many machines to keep a weep hole clear. Works good on all but the dirtiest conditions--Like the bottom of a tractor. :cool:

You can give it a giggle every once in a while to make sure it's loose and free to move.
 
   / MT225E Random Cotter Pin #4  
Yes, that is exactly what it is for! To break surface tension on any moisture or fluid inside the case and to allow it to drip out.

I had noticed the stray "cotter pin" a couple days after I got the tractor..... called the dealer and sent him a picture of it, leaving him a message asking if I could / should pull it out.. ...

He called me back within 2 minutes Immediately saying "DON'T pull it out !!" He then explained its use.
 

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