TM 5-4310-387-14
Table 6-1. General Support Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. ENGINE RUNS UNEVENLY: LOW OUTPUT.
Step 1. Check fuel injection pump.
Repair damaged fuel injection pump (para 6-16).
Step 2. Check governor assembly.
Replace or repair damaged governor assembly (para 6-17).
Step 3. Check camshaft assembly.
Replace a defective camshaft assembly (para 6-19).
Step 4. Check piston and connecting rod assemblies.
Replace or repair damaged piston and connecting rod assemblies (para 6-20).
3. ENGINE RACES.
Check governor assembly.
Replace or repair governor assembly (para 6-17).
4. ENGINE EXHAUST EMITS EXCESSIVE BLUE SMOKE.
Step 1. Check fuel injection pump.
Repair or replace fuel injection pump (para 6-16).
Step 2. Check piston and connecting rod assemblies.
Replace or repair piston and connecting rod assemblies (para 6-20).
5. ENGINE RUNS HOT.
Check fuel injection pump.
Replace or repair fuel injection pump (para 6-16).
6-3
