MD Helicopters 369D - Page 24

CSP−HMI−3
MD Helicopters, Inc
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MAINTENANCE MANUAL
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purpose except as specifically authorized in writing by MD Helicopters, Inc.
Copyright © 1999−2016 by MD Helicopters, Inc.
TABLE OF CONTENTS (Cont.)
Para/Figure/Table Title Page
D. Engine Power Out Warning Control Unit Circuits 4..........................
E. Low Main Rotor Speed (NR) Sensor Circuits 4...............................
F. Engine Out (N1) Frequency Sensor Circuits 5...............................
G. Light Flasher Circuit 5....................................................
H. Audio Tone Generation Circuits 5...........................................
I. Tone Interrupt Circuit 5...................................................
J. EPO Audible Warning Horn 5..............................................
K. Automatic Re-Ignition Circuit (Slim-Line Instrument Panels) 5..............
16. Voice Warning LRU (600N) 5.................................................
A. Engine Out 5.............................................................
B. Fire 6....................................................................
C. Low Rotor 6..............................................................
D. ECU Manual 6............................................................
E. Power 6..................................................................
F. Fuel Flow Fixed 6.........................................................
Fault Isolation 101...............................................................
1. Power Train Instruments Fault Isolation 101....................................
2. Tachometer Generator Troubleshooting 101......................................
Table 101. Tachometer Indicating Systems 101................................
3. TOT Indicating System Troubleshooting 101.....................................
Table 102. TOT Indicating System 101........................................
4. Engine Oil Pressure and Torque Indicating System Troubleshooting 102...........
Table 103. Engine Oil Pressure and Torque Indicating System 102...............
5. N1 Tachometer Indicator Troubleshooting 102...................................
Table 104. N1 Tachometer Indicator Troubleshooting 102.......................
6. N2/NR (NR/NP) Tachometer Indicator Troubleshooting 102.......................
Table 105. N2/NR (NR/NP) Tachometer Indicator Troubleshooting 102...........
7. Analog/Digital Torque Indicator Troubleshooting 103.............................
Table 106. Analog/Digital Torque Indicator Troubleshooting 103................
8. Engine Oil Temperature - Oil Pressure Indicator Troubleshooting 103.............
Table 107. Oil Press, Oil Temp Indicator Troubleshooting 103...................
9. Analog Indicator (Torque, TOT) 103.............................................
Table 108. Analog Indicator (Torque, TOT) Troubleshooting 103................
10. Quad Digital Indicator (Torque, TOT, OAT, N1) 104..............................
Table 109. Quad Digital Indicator (Torque, TOT, OAT, N1)
Troubleshooting 104..............................................
11. Quad Digital Indicator (Oil Temp, Oil Press, Vdc, Amp) 105.......................