AAK4 VALVE AND PIN.  Thumb screw fuel bleeding tap for tractors with pneumatic governed fuel injector pumps.

For Nuffield 3DL and 4DM tractors with pneumatic governed injector pumps.

See item number 29 in the illustration.

Fitted to engines:

BMC 2.6 litre 3 cylinder engine
BMC 3.4 litre 4 cylinder engine

Fitted to tractors:

• Nuffield Universal Three (3DL), Nuffield Universal Four (4DM)