MT372D - Full Time 4WD?

   / MT372D - Full Time 4WD? #11  
Two bolts takes it off and that is a dry cavity. Easy to see and fix if that is the problem.
 
   / MT372D - Full Time 4WD? #12  
duwem,
It's been a while since I looked at the 4X4 lever on mine but if I remember correctly, there is a small roll-pin that connects the handle to the shaft. Take a look and make sure it hasn't sheared off.

CORRECT
Happened to me on my MT180.
Easy fix, except in my case it was -25 deg and my fingers were not happy. LOL
 
   / MT372D - Full Time 4WD? #13  
Two bolts takes it off and that is a dry cavity. Easy to see and fix if that is the problem.

Pin in the lever intact. I'm thinking its in the linkage inside. What is this cover your refering to?
 
   / MT372D - Full Time 4WD? #14  
On some machines (I don't recall on my Satoh) there is a plate that covers the entrance to the transmission case where the shift lever enters. The lever usually has a bent tab or bracket or something that moves the engagement fork, hub, or gear (depending on the particular setup). Sometimes those bend. I had one do that on my Yanmar YM186D, for instance. (You can see a short review of the fix here, if you scroll down a fair bit, and there is a diagram of how the Yanmar version works in post 4.)

What oliver28472 was saying is the transmission case in that area is not part of the hydraulic reservoir, so you can pull the cover without draining the fluid.

Congratulations on your new machine!
 
   / MT372D - Full Time 4WD? #15  
Loosened the bolts holding the lever to the case and it came right off, I think I understand how its supposed to work. Looks like there is supposed to be a pin in that shaft with the hole in it in the second picture that the slot in the lever engages and pulls/pushes the shaft to engage and dissengage.

Anyone have the dimensions of what I'm missing?
 

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   / MT372D - Full Time 4WD? #16  
I'll look in the parts book and see if it's an off the shelf deal.
 
   / MT372D - Full Time 4WD? #17  
Oliver, is your parts book a hard copy? Where did you get it?
 
   / MT372D - Full Time 4WD? #18  
Got it from Bill at Valley Power. It includes the 373 and the 470. I think I paid $110. That includes parts, service and operators manual.

Valley Power


P.S. that was a couple years ago.
 
   / MT372D - Full Time 4WD? #19  
duwem,

Parts book calls for 6 x 22mm in the shaft.
 
   / MT372D - Full Time 4WD? #20  
Thanks!!!

Did you use a slotted roll pin (first picture) or a coiled pin like the second picture? Or a solid pin? Not sure if the slotted roll pin is strong enough?

Mcmaster lists the breaking stengh of a M6 slotted for 5800 lbs and the coiled pin 4900 lbs, maybe the wall thickness of the slotted is thicker?
 

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