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TM 10-3835-231-13
Section V. UNIT TROUBLESHOOTING PROCEDURES
4-23. GENERAL.
The branching logic tree diagrams list common malfunctions that you may find with your equipment. Follow the
instructions given in the order they appear.
The branching logic tree diagrams cannot list all the malfunctions that may occur, all the steps needed to find the fault, or
all the corrective actions needed to correct the fault. If the equipment malfunction is not listed or corrective actions taken
do not correct the fault, notify your supervisor.
For troubleshooting of the following major components see the appropriate individual technical manual.
Fire Suppression Equipment, TM 10-4210-235-13
350 GPM Pump Unit, TM 5-4320-226-14 or TM 10-4320-324-14
50,000 Gal and 5,000 BBL Collapsible Fabric Tanks, TM 10-5430-219-12
Petroleum Aviation Fuel Contamination Test Kit, TM 10-6630-240-12&P or TM 10-6630-218-10
600 GPM Pump Unit, TM 5-4320-305-10
Type D-1 Nozzle Assembly, TM 10-4930-246-13&P
350 GPM Frame Mounted Liquid Fuel Filter Separator, TM 5-4330-211-12 or TM 10-4330-235-13&P
Trailer Mounted Floodlight Set, TM 9-6230-211-14
MALFUNCTION INDEX
TROUBLESHOOTING
PROCEDURE
MALFUNCTION
(PARA)
Any Type of Leakage Evident ................................................................................... 4-24
Static Spark Noted at Fuel Dispensing Nozzle ........................................................... 4-25
Flow Not Entering Tank ............................................................................................ 4-26
Unexpected Tank Volume Change ............................................................................ 4-27
Flow Not Leaving Tank ............................................................................................. 4-28
Low Pump Discharge Pressure ................................................................................. 4-29
High Pump Discharge Pressure ................................................................................ 4-30
Low Pressure at Fuel Dispensing Assembly .............................................................. 4-31
Unexpected Back Flow.............................................................................................. 4-32
4-51
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