(2) Unscrew the tube nut securing the main fuel
Dry cleaning solvent, P-D-680 or P-S661,
tube to the fuel pump and push the fuel tube out of the
used to clean parts is potentially
dangerous to personnel and property.
securing the fuel pump to the engine. Lift off the fuel
Use in a well-ventilated area as the fumes
pump and gasket.
are dangerous if inhaled. Avoid repeated
(4) Unscrew fittings (4, fig. 4-33) from fuel pump
and prolonged skin contact. Do not use
near open flame or excessive heat. Flash
point of solvent is 100F.-138F. (38C.-
Shut-off valve and packing nut
Figure 4-33. Fuel filter, exploded view.