TM 10-7310-281-13&PMODERN BURNER UNIT (MBU)0005 00OPERATION UNDER USUAL CONDITIONS0005 00-13POWER-UP SEQUENCEWhen the power cables are properly connected and a pre-operational check has been performed, thesystem is ready for power-up. The power-up sequence should occur as follows:1. Ensure power is available at the source (1). If 110V AC is used be sure that commercial power isavailable or that the generator is running. If a vehicle is being used, be sure that it is running.2. If 110V AC is used, place power converter switch (2) to ON.3. If the Battery Pack is used, make sure the 3-Position Function Switch (3) is in the RUN position.NOTE!Do Not Hold Power Button Down Longer Than 3 SecondsWhen powering up the MBU press the POWER button just long enough to activate theindicator lights on the right side of the Control Panel. Holding the Power button in longer than3 seconds will cause the MBU to enter a Calibration mode that is used for the maintenance ofcertain assemblies within the MBU. The calibration procedure is explained in the affectedmaintenance work packages.If the MBU enters the Calibration function, the hour meter will display CAL? To exit theCalibration function and return to normal standby mode, either WAIT 10 SECONDS or pressthe STOP button. Pressing the STOP button will immediately return the MBU to normalstandby condition. After returning to standby, resume normal operation.4. Push POWER button (4) on individual MBU’s.5. Verify that the MBU is under power: Indicator lights (5) will flash for about 3 seconds and hour meterbackground light (6) will illuminate. The hour meter will display a series of characters before displaying theactual accumulated number of operating hours. Observe hour meter reading (7). Note that all requiredservice must be done before operation.
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