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  1. S

    case 780b boom will not lift

    how I should have stated for others most of the finds where on the primary shuttles item seal number 13. also I would say by extra seal 14 as they are small and hard to get over the tip I split a few installing so I had to repurpose some old one that where ik, hope that doesn't bite me later.
  2. S

    case 780b boom will not lift

    per suggestion took out the block and pulled the shuttle's and you we correct the white seal were incinerated for most of the sections and a few other seals here and there. back together again and it is working better than I bought it years ago. thanks for the help gents!
  3. S

    case 780b boom will not lift

    thanks gents looks like I will have to drain the system and do the dreaded job of pulling out the 120lb control. Will let you know how that fix works.
  4. S

    case 780b boom will not lift

    I have a case 780b backhoe that has the boom stop raising using single lever. If you try to raise the boom little to no motion occurs and perhaps a sight drop in height. When trying to operate it has a hissing type noise which was thought to be the pressure relief valves. both the A and B port...
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