TM 9-4520-272-14&P
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Table 1. Troubleshooting Procedure for Large Capacity Field Heater (LCFH).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
support maintenance level.
5. ENGINE RUNS ROUGH
Step 1. Check governor control for
Step 1. Adjust governor lever
proper position of regulator spring
Step 2. Check for proper thickness
Step 2. Adjust shim thickness /
of fuel injection pump shim (WP
injection timing (WP 0074 00).
Step 3. Damaged or defective fuel
Step 3. Remove and replace fuel
injection pump.
injection pump (WP 0074 00).
Step 4. Refer problem to general
support maintenance level.
6. ENGINE EMITS WHITE OR
Step 1. Check injection timing (too
Step 1. Adjust fuel injection
BLACK SMOKE
slow) (WP 0074 00).
pump timing by removing shims
Step 2. Refer problem to general
support maintenance level.
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