Perform fuel pump vacuum adjustment.

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Perform fuel pump vacuum and seal test.

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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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Perform governor cutoff rpm check.

TM 9-2815-226-34-2

f. Perform fuel pump vacuum adjustment.

(1) Close stand bypass valve.

(2) Completely open stand suction control valve.

(3) Depress stand FAST button until fuel pump speed is 2000 rpm.

NOTE

When the suction control valve setting is reached, the valve setting must not be

changed during later calibration procedures.

(4) Adjust suction control valve to obtain 8.0 in. Hg (4 psi) reading on no. 2 vacuum gage.

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