Perform no-air screw adjustment.

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Perform AFC plunger setting. (cont)

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TM-9-2815-226-34-2 Engine Diesel 6 Cylinder Inline Turbocharged Cummins NTC-400 BC2 Manual

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Remove fuel pump from test stand.

TM 9-2815-226-34-2

n. Perform no-air screw adjustment.

(1) Set fuel pump speed at 1600 rpm.

NOTE

Be sure throttle lever is in full throttle position and manifold vacuum-pressure

gage indicates 0 in. Hg.

(2) Check that selector valve is in ROTAMETER position.

(3) Loosen locknut on no-air adjustment screw.

NOTE

Check that fuel flow on flowmeter indicates 230 pph during this adjustment.

necessary adjust fuel flow to maintain that flow rate.

(4) Using no-air adjustment tool, adjust screw until 42 psi (289.8 kPa) fuel pressure is indicated on fuel

pressure gage.

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