751 bobcat skidsteer

Discussion in 'Mechanic and Repair' started by softtail1334, Apr 28, 2006.

  1. softtail1334

    softtail1334 LawnSite Member
    Posts: 5

    I have a 751 bobcat with less than 800hrs and after running about 20-25 minutes it acts like it is sucking air. I have changed all the fuel lines, filter, and fuel pump. I also pressured test the injectors with 40psi air and soapy water and could find no leaks. I tried running out of a 2gallon jug thinking it was problem in the tank and it didn't help. Any help would be greatly appreciated. David softtail1334@aol.com
     
  2. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,022

  3. oldrustycars

    oldrustycars LawnSite Senior Member
    Posts: 301

    possible collapsed rubber line? ive seen them where just the inside sucked closed. the usually will feel squishy outside too.
     
  4. Lawn Masters

    Lawn Masters LawnSite Senior Member
    Posts: 850

    Could be your pickup line in the tank is floating or something, perhaps an obstruction in the line? something in the tank that gets pulled into the pickup line, and causes a clog could cause the symptoms you describe. are your fuel filters clean and NEW? perhaps water in the fuel? it could be just a batch of crappy diesel.
     
  5. oldrustycars

    oldrustycars LawnSite Senior Member
    Posts: 301

    he said he ran the machine out of a seperate fuel tank with the same results, so it shouldnt be anything in the stock tank. also changed the filters, so it shouldnt be anything there.
     
  6. softtail1334

    softtail1334 LawnSite Member
    Posts: 5

    thanks restrorob I did
     

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