Perform fuel pump vacuum and seal test.

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Perform fuel pump run-in. (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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Perform fuel pump vacuum adjustment.

TM 9-2815-226-34-2

e. Perform fuel pump vacuum and seal test.

(1) Remove case fill plug from fuel pump main housing.

(2) Look into fuel pump main housing to ensure fuel is present.

(3) Reinstall case fill plug.

(4) Check mating surfaces and weep hole on fuel pump assembly for leaks.

(5) If leakage detected, replace front cover seals as required (para 3-82).

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