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  1. #11
    Elite Member
    Join Date
    Sep 2007
    Doniphan, Mo.
    Kubota L4240, B7800 & BX2660

    Default Re: weak/slow hydraulics l 48 kubota

    Quote Originally Posted by dale55 View Post
    I'm sorry I have been busy working it, I got the dealer to print me a parts list out of the hydraulic system, since I have good pressure they want to run a flow test and check the suction screen, they did tell me the loader does not have a relief valve , there is one at the main block below the loader frame and one under the seat and one main in the backhoe control valve, it could be as simple as a bad o ring or debris in one of the quick disconnects, thanks for your help JJ and Lee John I'll post back when I get it figured out dale55
    Did you also get the parts list for the backhoe control valve? I couldn't find the main relief in the backhoe valve see if it's in your list. There is none in the loader valve like they said, I think I said there was one before and I was wrong there, it's in the hyd. outlet block.

  2. #12
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: weak/slow hydraulics l 48 kubota

    The first relief valve will be the master relief. Should be before the first valve .

    The reliefs on my kubota is on the hyd block, log splitter valve and 3pt. I don't have a loader on the tractor.

    Some tractors might only have a pump and 3pt valve with relief.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

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