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  1. #1
    Silver Member
    Join Date
    Aug 2009
    Posts
    101
    Location
    Wilmington, NC
    Tractor
    Bobcat CT235

    Default Replacing Hyd. Hose to Lift Cylinder

    I will be replacing a leaking fitting to the lift cylinder for the FEL Monday as soon as the local hydraulic shop opens. After I re-attach the line and top off hydraulic fluid, is there anything else I need to do. Does the system require any sort of bleeding?

  2. #2
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Posts
    18,422
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    No, the air should be purged from the system after cycling the FEL valve several times.
    J.J.

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

    Git er done.

  3. #3
    Silver Member
    Join Date
    Aug 2009
    Posts
    101
    Location
    Wilmington, NC
    Tractor
    Bobcat CT235

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    Thanks JJ.

  4. #4
    Veteran Member
    Join Date
    Aug 2007
    Posts
    2,352
    Location
    Wayne County Pa.
    Tractor
    Massey Ferguson model 85, Allis-Chalmers WD-45

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    I would ask the shop if they clean the hose after assembly. If not, don't make an issue of it, tell them you were just wondering if it is necessary. Then, go home and run some water through it then some compressed air to get the water out.
    Knowing is not enough, you must apply.
    Willing is not enough, you must do.
    Bruce Lee

  5. #5
    Platinum Member
    Join Date
    Aug 2002
    Posts
    849
    Location
    northfield connecticut
    Tractor
    gradall g3r excavator, kawasaki mule 2500,ford 8000,and a 1936 caterpillar road grader

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    good advice wayne county hose, right next to our hose machine at work is the air blow gun and we make sure and blow the dust and dirt out after we make a house every time, alot of grit gets in there from the cutting process. on big hoses, like suction hose, often i will push a balled up rag thru with air to get it cleaner
    Kawasaki Mule 2500,Ford 8000,Caterpillar road grader,gradall g3r excavator,JD210c

  6. #6
    Veteran Member
    Join Date
    Aug 2007
    Posts
    2,352
    Location
    Wayne County Pa.
    Tractor
    Massey Ferguson model 85, Allis-Chalmers WD-45

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    Quote Originally Posted by markct View Post
    good advice wayne county hose, right next to our hose machine at work is the air blow gun and we make sure and blow the dust and dirt out after we make a house every time, alot of grit gets in there from the cutting process. on big hoses, like suction hose, often i will push a balled up rag thru with air to get it cleaner
    Mark, compressed air isn't enough. When I make a hose, I blow a foam plug through the hose, both ways. Check these guys out. www.ultraclean.com. If you take a freshly made hose and blow it out with air, then pump oil from a new 55 gallon drum of oil into a clean drum, the second drum will fail any manufacturers test for cleanliness. Basically, it would be considered waste oil. After using the ultra clean system, this is not the case. You would be shocked to see what comes out of a freshly made hose.
    Knowing is not enough, you must apply.
    Willing is not enough, you must do.
    Bruce Lee

  7. #7
    Elite Member
    Join Date
    Oct 2004
    Posts
    2,925
    Location
    limerick pa lycoming county pa
    Tractor
    kubota bx23

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    I usually just hook the power end up leave the other end loose and waste a quart or 2 of the oil in to a container to flush them out.

    tom
    If it ain't broke we will help you brake it
    If it is broke we will help you get it fixed!


    https://www.facebook.com/joseph.t.mussington

  8. #8
    Elite Member
    Join Date
    Aug 2004
    Posts
    4,259
    Location
    North of Mtl,Que,Can (Ste Adele)
    Tractor
    MT180D

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    Useless info of the day:
    Specs for aviation hoses called for specific sized balls to be passes thru in order to assure no obstructions, always a tad smaller than the hose ID. Basically a drop test.
    Also burst tests were required.

  9. #9
    Veteran Member
    Join Date
    Aug 2007
    Posts
    2,352
    Location
    Wayne County Pa.
    Tractor
    Massey Ferguson model 85, Allis-Chalmers WD-45

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    Quote Originally Posted by tommu56 View Post
    I usually just hook the power end up leave the other end loose and waste a quart or 2 of the oil in to a container to flush them out.

    tom
    This is about as good a cleaning as you could ask for. How about someone that installs a new hose do this and post a pic of all the garbage in the container?
    Knowing is not enough, you must apply.
    Willing is not enough, you must do.
    Bruce Lee

  10. #10
    Platinum Member
    Join Date
    Aug 2002
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    849
    Location
    northfield connecticut
    Tractor
    gradall g3r excavator, kawasaki mule 2500,ford 8000,and a 1936 caterpillar road grader

    Default Re: Replacing Hyd. Hose to Lift Cylinder

    hmm i guess maybe i will have to be more thourough in my cleaning, thats all we ever did at work and we make hundreds of hoses a year and never had a problem. actaly right on the instructions that came with our hose crimp machine thats how they tell ya to do it!
    Kawasaki Mule 2500,Ford 8000,Caterpillar road grader,gradall g3r excavator,JD210c

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