17H2972 SCREW. Bleed Screw for C.A.V. D.P.A. rotary fuel injection pump.
Use this vent screw to bleed the main pump body and also the top cover on Leyland and Marshall tractors with the following engines;
BMC 948cc 4 cylinder diesel
BMC 1500cc 4 cylinder diesel
BMC 1800cc 4 cylinder diesel
Perkins 3.152 3 cylinder diesel
Leyland 4/98 4 cylinder diesel
Leyland 6/98 6 cylinder diesel
Spanner size 5/16" inch AF (8 mm).
Fitted to tractors:
See item 44 in the illustration of the top cover and item 38 in the illustration of the main body.
See also the "Easy bleed" thumb screw Kit.