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  1. #11
    Bronze Member
    Join Date
    Oct 2011
    Posts
    61
    Location
    Somewhere North of the Mason Dixon Line
    Tractor
    Kubota L 3800, Austin Western Pacer 100

    Default Re: LA524 Power

    Quote Originally Posted by teg View Post
    I was able to adjust mine just by tighten up the bolt... Careful to not Strip out the threads... THAT will be costly!!! I only bump up 150 lbs. and 53 psi over the recommended max PSI. of 2347.

    Look at the link in my Signature, third post down. Make sure you know what PSI your dealing with or else you can bust your hoses and could damage your pump. It did make my FEL very sensitive/jerky and I'm sure if you have a jerky hitch, it will put more strain on the top link... I reinforced my top link.
    Okay, so we are talking about the same thing.

    This nut is the cap for the relief valve and compresses the spring in the valve. It should be threaded in until it stops. I can see how your pressure increased since the cap was not tight.

    Removing this cap will reveal the relief valve and shims. Shims are in the very bottom of the cap. There should be one silver washer that the spring rests against and several brass shims under it.

    Mac

  2. #12
    Bronze Member reggiejr's Avatar
    Join Date
    Mar 2011
    Posts
    92
    Location
    Maine
    Tractor
    kubota L3800

    Default Re: LA524 Power

    How is the HYD PSI determined?Hook up to loader quick coupler and then raise?

  3. #13
    Elite Member
    Join Date
    Jul 2005
    Posts
    3,966
    Location
    Raleigh, NC Hillsville, VA
    Tractor
    L2800.

    Default Re: LA524 Power

    ...or curl, depending on which one you hook up. Remove the quick connect and put the gauge on, hit the valve, since only the gauge is on, pressure deadheads and goes into relieve... that's the reading.

    I'll post photos of it farther away...
    Last edited by teg; 01-23-2012 at 06:39 PM.

  4. #14
    Bronze Member reggiejr's Avatar
    Join Date
    Mar 2011
    Posts
    92
    Location
    Maine
    Tractor
    kubota L3800

    Default Re: LA524 Power

    Seems easy enough thanks for the explanation much appreciated.

  5. #15
    Bronze Member
    Join Date
    Jan 2012
    Posts
    81
    Location
    Southern, IN
    Tractor
    Mahindra 5035 HST

    Default Re: LA524 Power

    Sitting on the tractor, it's under the right floor panel. Teg put some really good pictures up as well as posts and this is where I found out how to do it. I turned the valve in ALMOST 1/2 turn and ended up with 2435 or round abouts. However I did not measure my factory setting which stinks. I should have done that. I was looking forward to the increase in power and forgot. I read a few post about guys changing the washers out to #10's but like Teg I choose to take the easy way out and turn the plug. I wonder what the max preasure is by leaving the factory washer in and just turning the plug?

  6. #16
    Bronze Member
    Join Date
    Oct 2011
    Posts
    61
    Location
    Somewhere North of the Mason Dixon Line
    Tractor
    Kubota L 3800, Austin Western Pacer 100

    Default Re: LA524 Power

    There is a lot of good info presented in this thread, although I want to point out that increasing the relief pressure will not make the hydraulics work faster nor will it make it more jerky.

    The relief valve remains closed during normal operation providing maximum oil flow through the system. It opens only when the system pressure reaches the preset value. At this point it dumps the unwanted pressurized oil back into the hydraulic sump.

    Increased pressure will provide the ability to lift more weight. The pump volume (gallons per minute) determine the speed of the system. A faster engine speed will provide more GPM causing the control valves to be more sensitive requiring a gentle touch for smooth operation.


    Mac

  7. #17
    Bronze Member
    Join Date
    Jan 2012
    Posts
    81
    Location
    Southern, IN
    Tractor
    Mahindra 5035 HST

    Default Re: LA524 Power

    Mac---Thanks for chimming in and what you have to say is very true. I'm happy with the speed of it, matter-a-fact I didn't have a problem with the speed, I was just looking for a little more lifting power. I know the L3200 is not a huge tractor but for it's size, to me, I thought it should have a little more than it did. As far as the "cap" you are refering too, since I didn't take it apart, I understand it more now. Loosen the cap up and the factory shim sits down in the cap with the spring on top. By removing the cap and the factory shim and then placing a #10 washer in it (which should be 1.2 mm thick), it sounds like a few guys have done this and they all are achieving 2500 psi consistantly. Good info

  8. #18
    Bronze Member
    Join Date
    Jan 2012
    Posts
    81
    Location
    Southern, IN
    Tractor
    Mahindra 5035 HST

    Default Re: LA524 Power

    It's been awhile since we've discussed on this thread up until now. As I previously stated when I hooked my gauge up AFTER i got about a half turn on the cap, I was around 2400-2450 psi range. I forgot to check it before I tweeked anything.

    I was outside piddleing around earlier and pulled the 23mm cap along with the spring/shims and valve and dumped the cap into a towel exposing the shims. I haven't really been able to find on here where someone with a L3200/LA524 has checked their shim pack under their spring before. These are the shims that was in my cap....... 3 - .75mm shims and 1 - .20mm shim. I seen where one member only had one .5mm shim and ended up taking it out and adding 2.0mm and came up with between 2750-2800psi range.

    My question to anyone out there with a LA524.......what kinda shims was under your spring in the cap.

    I was gonna mess with the shimming again but I guess my 4 year old has managed to run off with my gauge.............or so thats my story

    Talk to you fellas later
    Josh

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