TM 10-7310-281-13&P
MODERN BURNER UNIT (MBU)
0009 00
TROUBLESHOOTING PROCEDURES
0009 00-5
THIS PROCEDURE COVERS:
MBU fails to refuel
INITIAL SETUP:
Maintenance Level
Materials/Parts
Operator
None
DID COMPRESSOR COME ON ?
Yes
No
IF HOUR METER BACKGROUND LIGHT IS NOT LIT
CHECK POWER SOURCE, BATTERY PACK, OR
POWER CONVERTER SWITCHES. CHECK 24VDC
POWER EXTENSION AND BRANCH CABLES FOR
PROPER CONNECTION. PRESS POWER BUTTON.
WHEN HOUR METER BACKGROUND IS LIT,
PRESS FUEL BUTTON.
IS FUEL CAN EMPTY ?
ATTEMPT TO FUEL THE MBU
ONCE MORE. IF IT FAILS TO FUEL
AGAIN, REFER IT TO UNIT
MAINTENANCE
No
Yes
FILL FUEL CAN BEFORE FUELING MBU
DID COMPRESSOR RUN ABOUT 4
MINUTES BEFORE SHUT OFF ?
Yes
CHECK FUEL FILL QD NIPPLE ON BURNER AND
FUEL CAN ADAPTER FOR CLOGGING OR VISIBLE
DAMAGE. CHECK AIR VENTS ON VENT VALVE
AND REGULATOR ASSEMBLIES FOR CLOGGING.
CLEAN AIR VENTS AS NECESSARY. IF FUEL FILL
VALVE OR FUEL CAN ADAPTER ARE DAMAGED
REFER THE BURNER TO UNIT MAINTENANCE
No
DOES MBU TANK APPEAR FULL
BUT INDICATOR READS EMPTY ?
Yes
SHUT MBU DOWN, DISCONNECT POWER CABLE
AND REMOVE MBU FROM APPLIANCE. TURN MBU
ON ITS SIDE WITH FILLER CAP ON TOP. REMOVE
FILLER CAP AND VISUALLY CHECK FUEL LEVEL. IF
TANK IS FULL, DRAIN THE UNIT AND REFER IT TO
UNIT MAINTENANCE
No
