ORGANIZATIONAL TROUBLESHOOTING - Continued
HUPP MF510B, MF510C, MF60A-24V, MF60B-24V - Continued
TEST OR INSPECTION
3. HEATER DOES NOT START BELOW 40°F (4°C) - Continued
c. Wait four minutes, then touch fuel regulator valve (3) and fuel reservoir
If fuel regulator valve (3) and fuel reservoir (4) are warm, replace
thermostat assembly (page 2-37).
Step 8. Try to start heater below 40°F (4°C) (page 2-60).
a. If heater does not start, notify Direct Support Maintenance.
b. If heater starts, install guard (page 2-32).
4. FLOODED HEATER
Do not try to start a flooded heater with excessive amounts of fuel inside.
Explosion may occur, resulting in injury or death to personnel.
Step 1. Demount heater (refer to applicable vehicle technical manuals), and drain excess fuel
out of heater through exhaust pipe.
Step 2. install heater (refer to applicable vehicle technical manuals).