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Air lock

  • 25-11-2012 8:29pm
    #1
    iron man
    Registered Users, Registered Users 2 Posts: 210 ✭✭


    Any one got a manual or a set of instructions on how to sort out an air locked
    Massey ferguson tractor 265. I'm doing it DIY...... The gauze at the bottom of the tank got blocked and my own lazy fault I carried on.........

    Is. There any manuals on the net or maybe some generous farmer/mechanic can post some instruction plz


Comments

  • #2
    reilig
    Closed Accounts Posts: 7,401 ✭✭✭reilig


    iron man wrote: »
    Any one got a manual or a set of instructions on how to sort out an air locked
    Massey ferguson tractor 265. I'm doing it DIY...... The gauze at the bottom of the tank got blocked and my own lazy fault I carried on.........

    Is. There any manuals on the net or maybe some generous farmer/mechanic can post some instruction plz

    Its simple enough. I have an older MF 168, so it should be much the same.

    First of all clean out the gause at the bottom of the tank. Then make sure that diesel is running to the glass bowl (Normally on the RHS of tractor - bowl can be removed and cleaned).

    If diesel is flowing to bowl, then it is making it to the hand pump which is located on the line close to the bowl. You could loosen the diesel filter a small bit and pump the hand pump until it flows out the top. Then tighten up again.

    Next you want to get diesel to flow to the main diesel pump. This is where you will get most of the sir out of the system. Find the pump on the LHS of the engine and find the 2 bleeding screws on it. Open them both (2 or 3 turns) and start pumping the hand pump. Diesel will start to flow out of them as well as air. Once the air bubbles stop, close the bottom one and continue to pump the hand pump until there is a jet of diesel from the screw and no air along with it.

    From here, you can try to start the tractor. Its 50:50 if she will go or not - be careful not to run down the battery. If she doesn't start then you need to take an open ended spanner and loosen the pipe of one of the injectors a couple of turns until it drips. Turn over the engine again with the key and it will blow any air in the system out of itself. Close it up once it starts or as it starts to kick and it should run fine. Leave it to idle for a few minutes and it should be grand!!


  • #3
    John J. Lyons
    Registered Users, Registered Users 2 Posts: 155 ✭✭John J. Lyons


    There is also a gause in the lift priming pump that also may need a clean and also a gause on the back of the pump


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