Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)

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Table 2-1. TROUBLESHOOTING PROCEDURES

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TM-9-2815-226-34-1 Engine Diesel 6 Cylinder Inline Turbocharged Cummins NTC-400 BC2 Manual

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ENGINE STOPS, BUT IS NOT SEIZED.

TM 9-2815-226-34-1

Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

(Cont)

Step 3. Check for dirty filter elements.

Drain dirty fuel from fuel filter assembly (TM 9-2320-281-10).

Replace filter element (TM 9-2320-281-20).

Replace main fuel filter element (TM 9-2320-281-20).

Step 4. Check fuel tank for contamination.

Drain fuel tank and fill with clean fuel (TM 9-2320-281-20).

Step 5. Check for leaks in fuel supply (suction) lines to fuel pump.

Tighten all line connectors.

Step 6. Check no-air adjustment screw in fuel pump for proper opening or setting.

Disconnect AFC input line from fitting on fuel pump.

WARNING

COMPRESSED AIR USED FOR CLEANING PURPOSES WILL NOT EXCEED 30 PSI

(207 KPA). USE ONLY WITH EFFECTIVE CHIP GUARDING AND PERSONAL

PROTECTIVE EQUIPMENT (GOGGLES, SHIELD, GLOVES, ETC). CAUTION TOO

MUCH PRESSURE WILL DAMAGE AFC BELLOWS.

Apply 25 psi (172 kPa) air pressure to AFC unit and attempt start.

If engine starts, reset no-air adjustment screw (para 3-84).

If engine does not start, remove pump and set AFC plunger adjustment; then no-air adjustment screw

(para 3-84).

2-3