A73-21-00-233.fm
ENGINE FUEL AND CONTROL - ENGINE CONTROL -EEC BITE - IGNITER TST3
January 1, 2004
73-21
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
ENGINE FUEL AND CONTROL - ENGINE CONTROL - EEC BITE -INPUT PAGE 2
General
The CONTROL LOOPS input monitoring category lets you monitor these control loops:
-Fuel metering valve (FMV)
-Variable stator vane (VSV)
-Variable bleed valve (VBV)
-High pressure turbine active clearance control (HPTACC)
-Low pressure turbine active clearance control (LPTACC)
-Burner staging valve (BSV)
-Transient bleed valve (TBV).
The CONTROL LOOPS page gives you the demanded (DEM) position and the actual position (POS) for each of the control loops.
The CONTROL LOOPS input monitoring category also lets you monitor thrust resolver angle (TRA) and thrust reverser position (REV).
Training Information Point
If a parameter is not available, (?) symbols show for the parameter. If the parameter is out of range, (-) symbols shows for the parameter.
January 1, 2004
73-21
- 42 -
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
A73-21-00-237.fm
IF A VALUE IS OUT OF RANGE, THE MCDU SHOWS - -. ENGINE FUEL AND CONTROL -ENGINE CONTROL - EEC BITE - INPUT PAGE 2
January 1, 2004
73-21
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL ENGINE FUEL AND CONTROL - ENGINE CONTROL - EEC BITE - INPUT PAGE 2 THIS PAGE INTENTIONALLY LEFT BLANK
A73-21-00-237.fm
January 1, 2004
73-21
- 44 -
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
A73-21-00-237.fm
IF A VALUE IS OUT OF RANGE, THE MCDU SHOWS - -.
ENGINE FUEL AND CONTROL -ENGINE CONTROL - EEC BITE - INPUT PAGE 2
January 1, 2004
73-21
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
ENGINE FUEL AND CONTROL - ENGINE CONTROL - EEC BITE -INPUT PAGE 3
General
Additional fuel metering valve (FMV) and variable stator vane (VSV) parameters show on these MCDU pages. You see these pages when you select FMV or VSV from the INPUT MONITORING CONTROL LOOPS page.
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.
FMV
The FMV pages show you the fuel metering valve demand and position values for channel A and B. The SIN and COS values are voltages from the resolver feedbacks. The OUT and IN values for channels A and B are the torque motor demand and return path current values.
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