L3400 sight glass

   / L3400 sight glass #11  

k0ua

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Are you talking about this sight glass?

View attachment 446257

How in the world did you break it?

They break on their own. They are just cheap plastic. A Known problem in these models. Supposedly the replacement item is better quality.
 
   / L3400 sight glass
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LD1

LD1

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Yep, broke all on its own.

My guess is the cheap plastic + range of hot cold and the plastic and casting expanding at different rates.

Separated right where the threads meets the head
 
   / L3400 sight glass #13  

nacl9163

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Oct 4, 2009
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Kubota L3400
My original sight glass (AKA cheap plastic crap) broke. When I tried to screw in the new improved replacement, it just wouldn't go no matter what I did. It took me a while to realize that the threaded part of the old one was still screwed in, with the top of it recessed about 3/8" down in the threads. Once I was able to turn it out, everything went smoothly. My question is, does anyone have a trick for seeing the fluid level in the glass? I never feel confident that I've really seen the level.
 
   / L3400 sight glass #14  

Thomas

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When I had my L2800HST had same setup sight glass as your L3400 …" My question is, does anyone have a trick for seeing the fluid level in the glass?"... I made sure to check fluid was half full each new day of use. :confused3:
 
   / L3400 sight glass #15  

sandyc

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Believe the green folks sell a dye that helps to increase the visibility in both the sight glass and the dip stick
 
   / L3400 sight glass #17  

asic ace

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I've never touched mine & saw it was leaking. The threads had separated from the body. These are just bad news.
 
   / L3400 sight glass #18  

5030

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