Tool Installation
Install three-way valve of tool in control pressure line at fuel distributor. With tool properly installed, fuel flow should be from fuel distributor, through three-way valve to control pressure regulators. Before checking pressure, bleed manometer lines as follows: Let manometer hang down with straight hoses and turn on ignition. Move lever on three-way valve at 10 second intervals in direction of fuel distributor. Repeat five times. Afterward hang manometer on center brace of engine hood. Complete tests in order indicated.