How to raise hydraulic pressure on front end loader 2016 4720h

   / How to raise hydraulic pressure on front end loader 2016 4720h #1  

bigrich954rr

Bronze Member
Joined
Sep 27, 2016
Messages
88
Location
oregon
Tractor
branson 4720h 6ft brush hog ,post hole digger, ripper, pallet forks,
I'm looking to see where the relief pressure valves are for the front end loader on a branson 2016 4720h

The bucket will bypass way sooner then the load arms.

Where are the adjustments for the different Hydraulic components
 
   / How to raise hydraulic pressure on front end loader 2016 4720h #2  
Best bet would be to track down a parts catalogue or shop manual. That'll give you the hydraulic schematics & show you where the pressure relief(s) are. Mine are in the loader control valve
 
   / How to raise hydraulic pressure on front end loader 2016 4720h #3  
The relief will control the pressure to both functions on the loader.
 
   / How to raise hydraulic pressure on front end loader 2016 4720h
  • Thread Starter
#4  
O that annoying where is it at and is it a lock nut or do you need to shim it ?
 
   / How to raise hydraulic pressure on front end loader 2016 4720h #5  
Get an hydraulic pressure gauge first to see where it's at. Then you'll know whether you need to adjust the pressure or not.
 
   / How to raise hydraulic pressure on front end loader 2016 4720h
  • Thread Starter
#6  
I have lots of hydraulic stuff I was aircraft hydraulic mech then worked on my Large excavator and bulldozer. I'd like to know what kind of work is involved before. I really dig into it
 
   / How to raise hydraulic pressure on front end loader 2016 4720h #7  
The relief valve should have a domed cap besides the two that cover the spool ends opposite the cables. Under it would be a screw that you can adjust, or a spring that needs to be shimmed.

I have had the same problem with curl reaching relief pressure before lift does. I assume the engineers did that on purpose so the structure is not overloaded. The newer BL20 loaders have larger curl cylinders but may have been beefed up elsewhere too.
 
   / How to raise hydraulic pressure on front end loader 2016 4720h
  • Thread Starter
#8  
Thank you aww I thought that be it but I was hoping I didn't have pull a cap off.

hoping for a screw and not shims
 
   / How to raise hydraulic pressure on front end loader 2016 4720h #9  
Thank you aww I thought that be it but I was hoping I didn't have pull a cap off.

hoping for a screw and not shims
they should all be screw type from 2014 an onward, but i have been surprised before.
 
 
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