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  1. W

    older Skytrak 6042

    No it was jumping before as to why the check valves was replaced per JLG advise.
  2. W

    older Skytrak 6042

    Thank you for the reply and ideas! Cylinder pivot pins and bearings have been changed. Heel pins have been greased. may have to pull cylinders and check the barrels and seals. will keep you posted
  3. W

    older Skytrak 6042

    All functions work normally except raising the boom will jump as your raising especially when low to the ground pressures checked all 4 of the cyl hold valves replaced Any ideas????
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