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Page Title: Table 3-1. Direct Support Troubleshooting
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TM 5-4320-306-24 Table 3-1.  Direct Support Troubleshooting MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1.  ENGINE FAILS TO CRANK OR CRANKS AT LOW SPEED Step 1.  Check for faulty starter motor. Test and repair faulty starter motor (para 3-17). Step 2.  Check for restricted impeller. Remove pump body (para 3-4) and remove foreign objects restricting impeller. 2.  ENGINE CRANKS BUT FAILS TO START Step 1  Check for loose cylinder head waisted bolts. If  loose,  tighten  in  a  crosswise  manner  with   socket  spanner  No 120040/120050 to 29.50 ft-lb (40 Nm).      Using   torque   gage   No.   101900   tighten   each   bolt,   crosswise,   three   additional   45   degree increments;  then,  maintaining  crosswise  pattern,  tighten  each  bolt  an  additional  30  degrees  (para  3- 19). 3.  ENGINE STARTS BUT RUNS UNEVENLY, STALLS, OR SURGES Step 1.  Check adjustment of injection pump. Adjust injection pump (para 3-13). Step 2.  Check for faulty injectors.  Remove and test injectors. Repair or replace faulty injectors (para 3-15). Step 3.  Check for malfunctioning fuel injection pump. Replace fuel injection pump (para 3-13). Step 4.  Check for air in the fuel system. Service fuel feed pump (para 2-32). Step 5.  Check for faulty magnetic pickup. Replace faulty magnetic pickup (para 3-23). 3-3

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