Fan Blade Rubbing NX4510HST

   / Fan Blade Rubbing NX4510HST #1  

JimR

Elite Member
Joined
Mar 11, 2004
Messages
3,584
Location
Central Ma.
Tractor
Kioti NX4510HST
Can a few of you Kioti owners look at your fan blades to see if it has wear marks from hitting the radiator shroud. Mine has a good 1/16 - 1/8 of an inch on the blades. I have checked all of the motor mounting bolts and the radiator/shroud bolts and nothing is loose. The water pump is fine also. Scratching my head on this one.
 
   / Fan Blade Rubbing NX4510HST #2  
Seen a you tube video for a bobcat (same tractor) doing same thing. The gentleman and his dealer could not figure it out. They assumed something got hot and moved. I think he took a small die grinder and grinded it back. If I can find the video link I will post it.
 
   / Fan Blade Rubbing NX4510HST
  • Thread Starter
#3  
Seen a you tube video for a bobcat (same tractor) doing same thing. The gentleman and his dealer could not figure it out. They assumed something got hot and moved. I think he took a small die grinder and grinded it back. If I can find the video link I will post it.
My blades have some small cracks in it so I am going to replace it. That looks like it will be fun to do.
 
   / Fan Blade Rubbing NX4510HST #4  
Looked for it and unfortunately couldn't find it ... sorry
 
   / Fan Blade Rubbing NX4510HST #6  
Can't say mine is rubbing, but the blades are losing small pieces off the tips!! Not sure what is causing that. I would like to replace the fan blade, but like Jim said, it looks like a big job.
 
   / Fan Blade Rubbing NX4510HST
  • Thread Starter
#7  
Can't say mine is rubbing, but the blades are losing small pieces off the tips!! Not sure what is causing that. I would like to replace the fan blade, but like Jim said, it looks like a big job.
Thanks for looking at yours. I'll post what I had to do to replace it. I need a bit warmer day to do this than the 26 degrees we have today. I just might wait until Spring unless it starts to blow apart.
 
   / Fan Blade Rubbing NX4510HST #8  
JimR --- do you have corresponding marks on the radiator shroud? Can you throw some pictures up?
 
   / Fan Blade Rubbing NX4510HST
  • Thread Starter
#9  
I don't see any marks on the shroud but will look again. Later today I'll take some photos of the blade.
 
   / Fan Blade Rubbing NX4510HST
  • Thread Starter
#10  
JimR --- do you have corresponding marks on the radiator shroud? Can you throw some pictures up?
Here are some photos and this area is where it is hitting the fan shroud. Something is torquing in order for the fan to hit the shroud. The fan is hitting the shroud at the 1 - 3 o'clock position on the shroud. I'm going to have to recheck all the bolts everywhere to make sure that they are tight. The radiator does not move at all. The pictures are of two different blades.
 

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