Quantcast General  Support  Troubleshooting  Procedures - TM-9-2805-257-14_188

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ARMY TM 9-2805-257-14 AIR  FORCE  TO  38G2-103-2 NAVY NAVFAC P-8-612-14E 6-5. General  Support  Troubleshooting  Procedures.  Table 6-1 lists the common malfunctions that may  be  found  during  operation.  Refer  to  Symptom  Index  to  locate  the  troubleshooting  procedures  for  the malfunction.  This  manual  cannot  list  all  malfunctions  that  may  occur,  nor  all  tests  or  inspections  and  corrective actions.  If  a  malfunction  is  not  corrected  by  listed  corrective  actions,  notify  your  supervisor. SYMPTOM  INDEX Symptom Page Engine Runs Excessively Noisy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-2 Table 6-1. General Support Troubleshooting Procedures. Malfunction Test  or  Inspection Corrective  Action ENGINE  RUNS  EXCESSIVELY  NOISY. Step  1.  Check  crankshaft  end  play. Adjust crankshaft end play if needed (para. 6-7). Step  2.  Check  bearing  cap  assembly  bearing  cup  and  bearing  for  excessive  wear  or  damage. Replace  worn  or  otherwise  damaged  bearing  cup  and  bearing  (para.  6-7). Step  3.  Check  crankcase  bearing  cup  and  bearing  for  excessive  wear  or  damage. Replace  a  worn  or  otherwise  damaged  crankcase  bearing  cup  and  bearing  (para.  6-10). Step  4.  Check  camshaft  and  gear  for  excessive  wear. Replace  a  worn  or  otherwise  damaged  camshaft  (para.  6-9). Step  5.  Check  crankshaft  wear. Replace  a  worn  or  otherwise  damaged  crankshaft  (para.  6-8). 6-2


 


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