Hydraulic pump problem

/ Hydraulic pump problem #1  

roxynoodle

Veteran Member
Joined
May 18, 2006
Messages
1,015
Location
NW Ohio
Tractor
Yanmar 1510d, 1950 Farmall H
I was unloading mulch from my trailer yesterday with my 1510D when I realized I was leaking hydraulic fluid. It is coming out of the bottom of the hydraulic pump where the 4 bolts are. I tried tightening the bolts but that only stopped one from leaking. And I broke another which should be fun to get out. Does this sound like just a bad o-ring down there or something else? Any advice would be appreciated! Thanks!
 
/ Hydraulic pump problem #2  
Are you talking about where the line attaches to the pump or the bolts that actually hold the pump together?

Aaron
Parts@HoyeTractor.com
(940)592-0181
 
/ Hydraulic pump problem
  • Thread Starter
#3  
They are the 4 bolts on the bottom of the pump that connect the high pressure line.
 
/ Hydraulic pump problem #4  
Probably a code 61 flange fitting, possibly a code 62, but that's usually 4kpsi and up. There is an o-ring on the flange. Get the broken bolt out, and get a new flange kit. These are readily available at any good hose/hyd shop. A new flange kit should be about 20 to 25 bucks and have a new o-ring in it.
 
/ Hydraulic pump problem
  • Thread Starter
#5  
Just wanted to let everyone know the problem with the hydraulic pump was as simple as a blown o-ring! I'm back to tractoring!
 

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