TM 10-3930-659-20 Table 4-1.  Mechanical Troubleshooting (Con't). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION WARNING Diesel  fuel  is  combustible.    DO  NOT  smoke  or  allow  open  flame  near  fuel  tank. Failure to follow this warning will result In death or serious injury to personnel.  If you are burned, Immediately seek medical aid. Step 3. Inspect fuel filter for presence of water or restrictions. Drain water from fuel filter (see paragraph 5-17). Bleed fuel filter and lines (see paragraph 5-16). Replace damaged fuel filter (see paragraph 5-17). Step 4. Inspect fuel lines for leaks or damage. Tighten all loose connections. Replace damaged fuel lines (see paragraph 5-15). ] Step 5. Inspect fuel tank-to-fuel transfer pump fuel line for leakage. Tighten all loose connections. Bleed fuel filter and lines (see paragraph 5-16). Replace damaged fuel lines (see paragraph 5-15). WARNING If NBC exposure Is suspected, all air filter media should be handled by personnel wearing protective equipment.  Consult your NBC Officer or NBC NCO for appropriate handling or disposal procedures. Step 6. Check air filters for restrictions (see TM 10-3930-659-10). Replace clogged or damaged air filters (see paragraph 5-9). Step 7. Check fuel injection pump fuse marked ALTERNATOR EXCITATION for continuity (see para- graph 2-27). Replace defective fuse (see paragraph 6-13). Step 8. Test fuel system pressure (see STE/ICE-R Tests NG31 and GO10). Step 9. Test fuel shutoff solenoid (see STE/ICE-R Test NG31). 4-8

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