ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
Section II. TROUBLESHOOTING
Subject
Para.
Page
Operator Troubleshooting Procedures........................................................................... 3.2
Purpose of Logic Tree Table.......................................................................................... 3.2.1
Symptom Index .............................................................................................................. 3.2.2
OPERATOR TROUBLESHOOTING PROCEDURES.
Purpose of Logic Tree Table.
Troubleshooting Tables 3-1 through 3-11 list common malfunctions that you may find with your equipment.
Perform the tests, inspections, and corrective actions in the order they appear in the table. The
troubleshooting tables cannot list all the malfunctions that may occur, all the tests and inspections needed to
find the fault, or all the corrective actions needed to correct the fault. If the equipment malfunction is not listed
or actions listed do not correct the fault, notify your supervisor.
NOTE
Before you use these procedures, be sure that all operator PMCS procedures
have been performed, refer to Chapter 2.
Symptom Index.
Troubleshooting
Procedure
Symptom
Page No.
Diesel Engine Will Not Start (Manual Starting) ............................................................................ 3-3
Diesel Engine Will Not Start (Electric Starting) ............................................................................ 3-4
Diesel Engine Runs Rough.......................................................................................................... 3-5
Voltage Output Drops .................................................................................................................. 3-6
Generator Set Vibrating/Bouncing Excessively ........................................................................... 3-7
No Voltage Indication on VOLTS Meter (M2) ............................................................................. 3-8
Voltage Indication on VOLTS Meter (M2) is High, Low,
or Fluctuating .......................................................................................................................... 3-9
No Indication on %LOAD Meter (M1) With Load Applied ............................................................ 3-10
No Indication on HERTZ Frequency Meter (M4) (MEP-531A)..................................................... 3-11
HOURS Meter (M3) Not Operating .............................................................................................. 3-12
Excessive Voltage Drop When Applying Load............................................................................. 3-13
