Quantcast Table 3-1.   Direct Support Troubleshooting Symptom Index
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TM 10-3930-664-24 b. The  Direct  Support  Troubleshooting  Symptom  Index,  Table  3-1,  lists  the  common  malfunctions  which  may occur.   It refers you to the proper page for troubleshooting procedures. c. This  manual  cannot  list  all  possible  malfunctions  that  may  occur,  all  tests  or  inspections  that  must  be performed, or all corrective actions for each malfunction.   If a malfunction is not listed, or is not remedied by corrective actions, notify personnel at next highest maintenance level. d. Prior to using troubleshooting trees, be sure you have performed all normal operational checks.   Refer to the electrical schematic (Figure FO-2) and hydraulic flow diagram (Figure FO-1) to assist in troubleshooting. e. When troubleshooting a malfunction: (1) Question the operator and/or unit maintenance level personnel to obtain any information that might help determine the cause of the malfunction.   Before continuing, ensure that all applicable operator and unit level troubleshooting has been performed. (2) Locate the symptom or symptoms in Table 3-1 that best describe the malfunction.   If the appropriate symptom is not listed, notify your supervisor. (3) Turn to the page where the troubleshooting procedures for that malfunction are described. (4) Perform each step in order until  the  malfunction  is  corrected.      Do  not  perform  any  maintenance  task unless the table directs you to do so. Table 3-1.   Direct Support Troubleshooting Symptom Index Symptom Symptom Title Page Number Number 1 Engine Cranks But Will Not Start, No Smoke From Exhaust 3-3 2 Low Engine Oil Pressure 3-3 3 Excessive Engine Vibration 3-4 4 Inadequate/Poor Engine Compression 3-4 5 Transmission Malfunction, Low Oil Pressure 3-5 6 Transmission Malfunction, Low Torque Output 3-6 7 Transmission Will Not Engage or Disengage 3-7 3-5. TROUBLESHOOTING. Use the symptom index to quickly locate a particular fault or malfunction.   All related troubleshooting steps contained in Chapter  2  must  be  performed  prior  to  attempting  to  isolate  a  malfunction  to  a  specific  component  addressed  in  this chapter. 3-2

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