TM 9-4520-272-14&P
SUSTAINMENT (GENERAL) SUPPORT MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
MALFUNCTION SYMPTOM INDEX
GENERAL
This chapter provides information to permit the operator to troubleshoot some problems that may occur
during the operation of the LCFH.
MALFUNCTION SYMPTOM INDEX
The malfunction symptom index lists common malfunctions that may occur during the operation of the
Large Capacity Field Heater. Find the malfunction to be eliminated and go to the indicated
troubleshooting table in work package 0081 00.
This index cannot list all malfunctions that may occur, all tests or inspections needed to find the fault, or
all actions required to correct the fault. If the existing malfunction is not listed, or cannot be corrected
through this troubleshooting index, notify your supervisor.
Prior to using the malfunction symptom index, be sure you have performed all normal operational checks.
The troubleshooting procedures referenced below assume that electrical wires are undamaged and wiring
harnesses are operable. Conduct continuity checks on suspect wiring / harnesses as required prior to
performing troubleshooting procedures.
Malfunction
Troubleshooting Step
Engine will not start ....................................................................................................................................... 1
Engine starts and stops................................................................................................................................. 2
Engine output drops ...................................................................................................................................... 3
Engine runs rough ......................................................................................................................................... 4
Low compression pressure ........................................................................................................................... 5
Engine emits white smoke ............................................................................................................................ 6
Engine emits black smoke ............................................................................................................................ 7
0080 00-1/(2 Blank)
