TB-9-2300-378-14 Technical Bulletin for Air Induction System M48 M60 Download
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TB 9-2300-378-14 Table 6-2. Improved Clean Air Induction System Malfunction Index MALFUNCTION 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. AIR CLEANER FILTER ELEMENTS REQUIRE CLEANING TOO OFTEN, ACCOMPANIED BY: A. EXCESSIVELY DIRTY ELEMENT B. LOW POWER AND EXCESSIVE BLACK EXHAUST SMOKE SOOT AN D/OR MOISTURE ON FILTER ELEMENT AND/OR DARK COLORED WATER OR MUD IN SCAVENGE TUBE OR CHECK VALVE. HIGH FILTER CLOG INDICATOR READING DURING HEAVY SNOW OPERATION ACCOMPANIED BY LOW POWER AND EXCESSIVE BLACK EXHAUST SMOKE. NO FILTER CLOG INDICATOR READING ACCOMPANIED BY LOW POWER AND EXCESSIVE BLACK EXHAUST SMOKE. ENGINE REVERSAL: VEHICLE HAS STALLED AND ROLLED BACKWARD DOWN AN INCLINE WITH TRANSMISSION IN A FORWARD GEAR POWERPLANT WARNING AND DUST DETECTOR WARNING LIGHTS ON, ONE (OR BOTH) DUST DETECTOR PRESSURE SWITCH(ES) TRIPPED, AND DUST DETECTOR FILTER STRIP INDICATES CONTAMINATION OF INTAKE AIR BY: A. B. C. D. E. DUST - (COLOR OF LOCAL SURROUNDINGS) FUEL - (CLEAR TO TAN IN COLOR - OILY FEELING) SOOT, DRY - (GRAY TO BLACK IN COLOR, DUSTY, AND SMEARS) OIL, BLACK, AND WET WATER POWERPLANT WARNING AND DUST DETECTOR WARNING LIGHTS ON, ONE (OR BOTH) DUST DETECTOR PRESSURE SWITCH(ES) TRIPPED, BUT DUST DETECTOR FILTER STRIP DOES NOT INDICATE CONTAMINATION OF INTAKE AIR. DUST DETECTOR WARNING LIGHT ON, POWER PLANT WARNING LIGHT OFF, DUST DETECTOR PRESSURE SWITCH(ES) TRIPPED. POWERPLANT WARNING LIGHT ON, DUST DETECTOR WARNING LIGHT OFF, DUST DETECTOR PRESSURE SWITCH(ES) TRIPPED. DUST DETECTOR PRESSURE SWITCH(ES) TRIPPED, BUT DUST DETECTOR WARNING LIGHT AND POWERPLANT WARNING LIGHT DO NOT COME ON. POWERPLANT WARNING LIGHT ON, DUST DETECTOR WARNING LIGHT ON, BUT DUST DETECTOR PRESSURE SWITCH(ES) NOT TRIPPED. POWERPLANT WARNING LIGHT NOT ON, DUST DETECTOR WARNING LIGHT NOT ON, DUST DETECTOR PRESSURE SWITCH(ES) NOT TRIPPED, DUST INGESTION IS APPARENT. Page 6-14 6-14 6-14 6-14 6-14 6-15 6-16 6-17 6-17 6-17 6-18 6-19 6-13