TM 10-4520-261-12&P
SPACE HEATER ARCTIC (SHA)
0009 00
TROUBLESHOOTING PROCEDURES
0009 00-2
THIS PROCEDURE COVERS:
LIQUID FUEL MODE: Heater Does Not Start
Maintenance Level
Materials/Parts
Operator
None
Yes
No
REPLENISH FUEL SUPPLY. ALLOW HEATER TO COOL
COMPLETELY. RE-ATTEMPT STARTUP IAW WP 0005
IS FUEL CAN FULL?
IS FUEL ON/OFF CONTROL ON FUEL FLOW CONTROL
VALVE SET TO ON?
DISCONNECT VALVE DISCHARGE HOSE UNDER FUEL
FLOW CONTROL VALVE. IS THERE FUEL FLOW?
Yes
No
SET FUEL ON/OFF CONTROL TO ON. RE-ATTEMPT
STARTUP IAW WP 0005.
FUEL LINES MAY BE BLOCKED, OR FUEL FLOW CONTROL
VALVE STRAINER CLOGGED. TURN IN TO UNIT
MAINTENANCE.
Burner would not start
CONTINUE OPERATION IAW WP 0005
Burner started normally
IS FUEL FLOWING FROM GRAVITY FEED ADAPTOR?
Yes
No
CHECK FOR SNOW OR ICE OBSTRUCTION IN HOSE
FITTINGS AND AUTOMATIC GRAVITY FEED VENT. FREE
OBSTRUCTION. ATTEMPT RESTART IAW WP 0005.
TAP AND SHAKE FUEL SUPPLY HOSE FROM FUEL CAN TO
FUEL FLOW CONTROL VALVE TO FREE TRAPPED AIR
BUBBLES. OPEN PRIMER VALVE WHILE SHAKING FUEL
HOSE TO PURGE AIR BUBBLES, CONTINUE UNTIL FUEL
FLOWS FREELY. ALLOW HEATER TO COOL. RE-ATTEMPT
STARTUP IAW WP 0005.
NO
YES
RECONNECT HOSE AND ATTEMPT RESTART IAW WP
0005.RE-ATTEMPT STARTUP IAW WP 0005.