737-700 MAINTENANCE TRAINING MANUAL BITE HANDBOOK 机务培训手册 自测手册(96)

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-REGULATOR
-N2 AT/ABOVE IDLE (YES/NO)
-START LEVER POSITION (CUTOFF/IDLE)
-START LEVER SELECTION (CUTOFF/IDLE)
-OK TO LOAD GCU (YES/NO)
-N1 TARGET (DEU1) (N1 target speed calculated by the FMC
and transmitted by the DEUs)
-ALTERNATE MODE SWITCH POSITION (OFF/ON)
-ALTERNATE MODE SELECTED (NONE/SOFT/HARD).
The ACT CH A shows the active channel or the channel that controls the engine. The GMM CH A shows the ground maintenance mode (GMM) channel or the channel that controls MCDU BITE.
DISCRETES Page 2
The DISCRETES page 2 lets you see these engine integers and discretes:
-CONTINUOUS IGNITION (OFF/ON)
-IGNITER ENERGIZED (NONE/LT/RT/BOTH)
-ENGINE START FAILED (NO/YES)
-FLAMEOUT PROTECTION (OFF/ON)
-OVERTEMP PROTECTION (OFF/ON)
-HIGH STAGE STALL PROTECTION (OFF/ON)
-LIMIT REVERSER THRUST (YES/NO)
-LIMIT FORWARD THRUST (YES/NO).

The ACT CH A shows the active channel or the channel that controls the engine. The GMM CH A shows the ground maintenance mode (GMM) channel or the channel that controls MCDU BITE.
Training Information Point
If a parameter is not available, (?) symbols are put in place of the parameter. If the parameter is out of range, (-) symbols are put in place of the parameter.
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A73-21-00-261.fm

NOTE: IF A VALUE IS NOT AVAILABLE, THE MCDU SHOWS ? ?IF A VALUE IS OUT OF RANGE, THE MCDU SHOWS - -.
ENGINE FUEL AND CONTROL - ENGINE CONTROL - EEC BITE - INPUT PG 15

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AUXILIARY POWER UNIT
(APU)

49-00

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737-700 MAINTENANCE TRAINING MANUAL
APU CONTROLS - ELECTRONIC CONTROL UNIT - MAIN MENU

General
The APU built in test equipment (BITE) data shows on the multifunction multifunction control display unit (MCDU).
To see the APU BITE TEST page you select the line select key next to APU on the MAINT BITE INDEX. To return to the MAINT BITE INDEX, you select the line select key next to INDEX. You also can select the INIT/REF key from any screen in APU MCDU BITE to return to the MAINT BITE INDEX.
It can take up to 10 seconds for the first APU screen to show on the MCDU. This delay occurs because the ECU does a power-up test each time it is energized.
APU Display on the MCDU
APU data shows on one of these six pages:
-Current status
-Fault history
-Maintenance history
　
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