Kubota B20 3pt. inoperative

   / Kubota B20 3pt. inoperative #1  

mech1119

New member
Joined
Jan 1, 2007
Messages
2
I have a Kubota B20 I was using a box blade on recently. After I finished with it, I loaded it one evening, kinda chilly that night as I recall, and hauled it home. It sat on my trailer for a couple of weeks before I could unload it, and when I did, the three point wouldn't lift. The loader works ok, which, as I understand it, runs off the pump in front of the engine, as does the steering. I have taken the line from the pump off and run the engine, and it seems to be putting out some flow, albeit perhaps not enough. I took the pump off the tractor and the gears look good, and the drive. I don't have a service manual, and wonder if anyone knows if there's a relief valve that could be stuck or something in the control. I find it hard to imagine the thing just quitting totally after it was working so well before. Thanks for any help or insight.
 
   / Kubota B20 3pt. inoperative #2  
The most obvious thing to check is whether the backhoe/3pt switch (upside down L shaped) on the right hand side of the operators seat is in 3pt mode. Otherwise you are powering your non-existent backhoe :)

Short of that check out:

1) Aforementioned switch linkage (goes down to oil tank)
2) 3 Pt lift height mechanism (below seat on right)
3) Pull off the 3pt lift mechanism and inspect lift piston, etc (this is a pain)

Cheers -y
 

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