TM 9-4520-272-14&P
FIELD (DIRECT) SUPPORT MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
TROUBLESHOOTING PROCEDURES
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanics (Item 2, WP 0092
MOS 63J or 52C
Materials/Parts
Equipment Condition
None required
Heater shut down and cool unless otherwise
indicated.
Main battery switch OFF and handle removed.
Table 1. Troubleshooting Procedure for Large Capacity Field Heater (LCFH).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE WILL NOT START
Step 1. Check for proper thickness
Step 1. Adjust shim thickness /
of fuel injection pump shim (WP
injection timing (WP 0074 00).
Step 2. Damaged or defective fuel
Step 2. Remove and replace fuel
injection pump.
injection pump (WP 0074 00).
Step 3. Refer problem to general
support maintenance level.
2. ENGINE STARTS AND
Step 1. Check for damaged
Step 1. Remove and replace
STOPS
governor control component (WP
damaged control component
Step 2. Damaged or defective fuel
Step 2. Remove and replace fuel
injection pump.
injection pump (WP 0074 00).
Step 3. Refer problem to general
support maintenance level.
3. ENGINE SPEED
Step 1. Check governor control for
Step 1. Adjust governor lever
FLUCTUATES (RACES OR
proper position of regulator spring
UNEVEN SPEED)
Step 2. Damaged or defective
Step 2. Remove and replace
governor control component (WP
damaged control component
Step 3. Refer problem to general
support maintenance level.
4. ENGINE OUTPUT DROPS
Step 1. Remove and replace fuel
Step 1. Damaged or defective fuel
injection pump (WP 0074 00).
injection pump.
Step 2. Refer problem to general
0071 00-1
