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  1. #1

    Join Date
    Sep 2005
    Posts
    5
    Location
    Snohomish, WA
    Tractor
    Kubota L48TLB

    Default BT1100 backhoe leakdown rate?

    Folks,

    Does anyone know the spec leakdown rate for the boom cylinder in a BT1100 fitted to an L48? I noticed yesterday as I was driving about (over somewhat bumpy ground) that from having it fully raised, it would have about an inch of piston showing after 10-15 minutes. I'm guessing this is normal, given the weight of the dipper and bucket? I have about 10 hours on the L48.

    Thanks

  2. #2
    Elite Member SkyPup's Avatar
    Join Date
    Dec 2003
    Posts
    3,001
    Location
    North Central, Florida
    Tractor
    Kubota L-39 GST TLB, Kubota L3130GST, Massey 1030 HST, Kubota ZD-21 ProDecK, Two Euro VW TDIs

    Default Re: BT1100 backhoe leakdown rate?

    Our BT1000 on our L39 does about the same, as do the stabilizers but they both pretty much stop after that for a considerable amount of time. After 6-7 days they are still at the same place.

  3. #3
    art
    art is offline
    Super Member
    Join Date
    Apr 2000
    Posts
    6,128
    Location
    central New York
    Tractor
    all makes and models

    Default Re: BT1100 backhoe leakdown rate?

    That is totally normal. That is why they come with the easy to install pins so the changing pressure of driving around a job site doesn't cause the cylinders and valves to leak down.

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