ORGANIZATIONAL TROUBLESHOOTING - Continued
STEWART-WARNER 10560C24, 10560M, 10560M24B1, 10560G - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. HEATER DOES NOT START BELOW 40°F (4°C)
Step 1. Check for blocked air inlet or exhaust pipe.
Clear all passages to and from the heater (refer to applicable vehicle
technical manuals).
Step 2. Check for adequate fuel supply and fuel waxing or freezing.
a. Bleeding the fuel valve will ensure proper fuel delivery (page 2-57).
b. Troubleshoot vehicle fuel system (refer to applicable vehicle technical
manuals).
Step 3. Check for proper voltage requirements (step 3, malfunction 1).
Step 4. Remove guard (page 2-42).
Step 5. Check for wet pulsed fuel metering valve circuit board (1) (10560M24B1 and 10560G).
a. If wet, dry thoroughly.
b. Try to start heater (page 2-59).
Step 6. Choke heater (page 2-22).
Step 7. Check for flooded heater (page 2-29).
2-27
TM 9-2540-205-24&P
