Hydraulic wheel motor repair

   / Hydraulic wheel motor repair #1  

tmc_31

Gold Member
Joined
Nov 21, 2005
Messages
392
Location
Texas
Tractor
NH TN70D, NH L190
I have a New Holland L190 skid loader that I think one of the wheel motors is leaking badly. Is it possible to repair one of these motors at home?
 
   / Hydraulic wheel motor repair #2  
Depends on the style of motor and what is leaking.

Shaft seal may be a do at home.

Worn motor leaking internally may or may not be repaired at home. Some styles of motors require precise bearing preload which if very difficult for average person to do.
 
   / Hydraulic wheel motor repair
  • Thread Starter
#3  
Thanks oldnslo, I was afraid of that. They want real money for one of those motors:censored:
 
   / Hydraulic wheel motor repair #4  
Find out if there is a kit? Talk to hydraulic shops about it, not just the dealer. In fact, that would be the last place I would personally go, except to get information.

Often there is wear beyond just a seal and it's best just to bite the bullet and buy new. Pumps and motors are a major expense! Often, no way around that.
 
   / Hydraulic wheel motor repair #5  
I snapped a shaft on a parker motor. After pricing the shaft,seals & 0 rings it was basically just as cheap to buy a new one. Since I did not know if anything else was bad and what caused the shaft to break.
 
   / Hydraulic wheel motor repair #6  
I’ve had the motor on my zero turn apart. There’s a seal in the shaft end and a few other o rings in that motor. I don’t know how yours is constructed. If you’r motor is the same as mine was make sure you scribe a line down the case with a square before you take it apart because there’s a bunch of alignment critical plates. What’s your experience wrench turning? If your an oil changer and that’s about it than don’t do it. If you could tear down a engine and put it back together you’ll probably be fine.
 
   / Hydraulic wheel motor repair
  • Thread Starter
#7  
I’ve had the motor on my zero turn apart. There’s a seal in the shaft end and a few other o rings in that motor. I don’t know how yours is constructed. If you’r motor is the same as mine was make sure you scribe a line down the case with a square before you take it apart because there’s a bunch of alignment critical plates. What’s your experience wrench turning? If your an oil changer and that’s about it than don’t do it. If you could tear down a engine and put it back together you’ll probably be fine.

I would say that I fall somewhere in between an oil changer and an engine rebuilder. However, I will say that I have successfully torn down a number of engines.

I suspect I will be looking for a reputable rebuilder for this project.

Tim
 

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