33. SMOKY HEATER EXHAUST AFTER 5 MINUTES CONTINUOUS OPERATION

36. WINTERIZATION KIT HEATERS WITERIZATION KIT HEATERS WILL NOT START Step 1. Perform Electrical Troubleshooting malfunction #22. SMOKY HEATER EXHAUST AFTER 5 MINUTES CONTINUOUS OPERATION

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 Table 2-3. Mechanical Troubleshooting (Con’t) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION AMBULANCE PERSONNEL HEATER 33. SMOKY HEATER EXHAUST AFTER 5 MINUTES CONTINUOUS OPERATION WARNING Before checking for restrictions, allow exhaust pipe to cool. Failure to follow this warning will result in serious burns. Step 1. Check air inlet or exhaust outlet for restrictions. Remove any restrictions. If there are no restrictions, replace heater, (See paragraph 10-36) 34. STARTS BUT SHUTS OFF COMPLETELY Step 1. Ensure that truck fuel tank is at least Step 2. Inspect air passages for restrictions. Clear restrictions. Allow system ¼ full. Add fuel if low. to cool before retesting. WARNING Diesel fuel is flammable. When disconnecting fuel lines to test fuel flow, direct fuel spray away from source of ignition. A fire extinguisher must be on hand in work area. Failure to follow this warning may result in serious injury or death to personnel. Step 3. Remove side panel from heater compartment. Disconnect fuel line from inlet side of heater. Place suitable container under inlet line. Check for fuel flow to heater while holding run-start switch in the “START” position. If fuel flow is evident, replace heater (See If fuel flow is not evident, perform step 4. Step 4. Check for restrictions in heater inlet fuel line. If line is restricted, clear restriction. paragraph 10-36) 2-48

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