TM 9-6115-604-34
NAVFAC P-8-633-34
Table 2-3. Engine Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. CANNOT REACH GOVERNED RPM (CONTINUED).
Step 4.
Check governor and actuator operation in accordance with paragraphs 6-23 and 6-11 respectively.
Repair or replace as necessary.
11. EXCESSIVE FUEL CONSUMPTION.
Step 1.
Check and test fuel injector flow in accordance with paragraph 6-17.
Correct as necessary.
Step 2.
Check fuel pump calibration in accordance with paragraph 6-11.
Calibrate as necessary.
12. EXCESSIVE OIL CONSUMPTION.
Step 1.
Check for external oil leaks.
Repair as necessary.
Step 2.
Check cylinder compression for gasket blow-by, leakage, or worn piston rings.
Repair as necessary.
13. CRANKCASE SLUDGE.
Check for internal water leaks. Check head gaskets, cylinder heads, liner packing, and cylinder block in
accordance with Chapter 9.
Repair as necessary.
14. DILUTION (CRANKCASE).
Step 1.
Check cylinder head assemblies and gaskets for leaks in accordance with paragraphs 9-4 and 9-8.
Repair as necessary.
Step 2.
Check and test injectors in accordance with paragraph 6-17.
Repair as necessary.
Step 3.
Check fuel pump calibration in accordance with paragraph 6-11.
Calibrate.
15. LOW OIL PRESSURE.
Step 1.
Check oil pump in accordance with paragraph 8-12.
Repair or replace as necessary.
Step 2.
Check for high oil temperature.
Clean oil cooler in accordance with paragraph 8-6. Flush water passages.
2-14
