TM 10-7310-281-13&P
MODERN BURNER UNIT (MBU)
0009 00
TROUBLESHOOTING PROCEDURES
0009 00-2
THIS PROCEDURE COVERS:
MBU fails to start
INITIAL SETUP:
Maintenance Level
Materials/Parts
Operator
None
HOUR METER BACKGROUND LIT ?
Yes
No
Yes
No
PROCEED WITH OPERATION.
MBU OPERATING NORMALLY?
CHECK POWER SOURCE, BATTERY PACK, OR POWER
CONVERTER SWITCHES. CHECK POWER CABLES FOR
PROPER CONNECTION. WHEN HOUR METER BACK-
GROUND IS LIT ATTEMPT STARTUP IAW WP 0005
MBU PREPARED IAW WITH WP 0005
OF 10-7310-281-13&P ?
Yes
PREPARE MBU FOR OPERATION IAW 0005 AND ATTEMPT
STARTUP IAW WP 0005 OF TM
No
SERVICE? ATTEMPT RE-START OF MBU IAW WP 0005 OF
TM UP TO THREE TIMES (TO PURGE ANY AIR THAT MAY BE
IN THE FUEL SYSTEM). IF INDICATOR IS STILL LIT, FUEL
FILTER MAY BE DIRTY, FUEL NOZZLE CLOGGED, OR
IGNITOR FAILURE. REPLACE THESE PARTS AS
NECESSARY IN THE ORDER LISTED IAW TM
VOLTAGE ? VERIFY POWER IS AVAILABLE AT SOURCE.
ENSURE 24VDC EXTENSION AND BRANCH CABLES ARE
FIRMLY CONNECTED TOGETHER, TO 24VDC SOURCE AND
MBU. WHEN HOUR METER BACKGROUND IS LIT START
MBU IAW WP 0005 OF TM
LOW FUEL ? FILL FUEL TANK OR START MBU IAW WP 0005
OF TM
ANY RED INDICATORS LIT?
MBU STILL DOES NOT START
MBU STILL DOES NOT START
REFER MBU TO UNIT MAINTENANCE
ON NEW OR PREVIOUSLY COMPLETELY DRAINED UNITS
IT IS NECESSARY TO PURGE THE FUEL LINES OF AIR BY
DEPRESSING THE START BUTTON UP TO TWO MINUTES
NOTE !
