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369D
MD Helicopters 369D User Manual
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3 Book TOC ]
Issued: 31 October 1990
Revision No. 14: 15 October 2016
Copyright
E
1999-2016 by MD Helicopters, Inc.
All rights reserved under the copyright laws.
MDHI MODEL HELICOPTERS
MODEL 369D/E/FF
−
500/600N
Basic Handbook of Maintenance Instructions
(CSP
−
HMI
−
3)
INSTRUMENTS
−
ELECTRICAL
−
A
VIONICS
MD Helicopters, Inc.
4555 East McDowell Road
Mesa, Arizona 85215
−
9734
2
Table of Contents
Csp-Hmi-3 96−03−00 96−40−00
9
Table of Contents
9
Revision
10
Revision
11
Revision
12
Revision
15
Revision
16
Revision
17
Revision
18
Revision
19
Revision
20
Revision
21
Revision
22
Revision
23
Csp−Hmi−3
28
Para/Figure/Table
28
TABLE of CONTENTS (Cont.)
28
Title
28
Instruments
29
Airspeed Indicator Description
31
Altimeter Description
31
Description and Operation
31
Instrument Description
31
Three-Pack Description (369D)
31
Ammeter Description (369E/FF - 500N)
32
Caution and Warning Indicator Lights - General
32
Dual Volt / Amp Indicator Description (600N)
32
Engine Oil Temperature Gauge Description
32
Fuel Quantity Gauge Description (369D/E/FF - 500N)
32
Fuel Quantity Indicator Description (600N)
32
Caution and Warning Indicator Lights Description (369D/E/FF - 500N)
33
Caution and Warning Lights Description (600N)
34
Removal/Installation
51
369D26415 Unit (Early Model)
55
Instrument Cluster Three-Pack Calibration Check
55
369D296305-21, -31 Units (Late Model)
59
369D24135-3 Unit)
62
Ammeter Calibration
62
Engine Oil Temperature Gauge Calibration
62
Dual Volt/Amp Indicator
63
Inspection/Check
65
Fuel Quantity Gauge and Tank Sending Unit Operational Check
65
Instruments Inspection
65
Autronics Indicator Lights Dimmer Assembly Test
66
Caution/Warning System Operational Check
66
Repairs
69
Instrument Cluster Three-Pack Conversion - AC to Rochester
69
Instrument Repair
69
Fuel Quantity Sender Modification (369D S/N 0001 - 1116)
71
Fuel Quantity Sending Units
71
Modification of 369A4245 Series Fuel Quantity Sending Units
71
Modification of P/N 369D296303-BSC
71
(369D S/N 0001 - 1116)
72
Weight and Balance Data
73
Wiring Modification (369DS/N 0003 - 0162)
73
Thru
73
Resistor Board Assembly (TB9) Modification
75
DC Voltmeter Initial Installation
77
DC Voltmeter Installation
77
Initial Installation
77
Preparation for Installation
77
Weight and Balance Data
77
Slim-Line Instrument Panel (369D)
81
Slim-Line Instrument Panel
81
Hood and Fairing Removal
83
Hood and Fairing Replacement
83
Slim-Line Instrument Panel Fairings
83
Slim-Line Instrument Panel General Maintenance
83
Slim-Line Instrument Panel Hood
83
Thru
83
Hood and Fairing Installation
85
Slim-Line Instrument Panel Removal
85
Slim-Line Instrument Panel Replacement
85
Slim-Line Instrument Panel Installation
87
Hood Installation
89
Hood Removal
89
Hood Repair
89
Hood Replacement
89
(369D S/N 1150 and 1185 and Sub)
90
T'' Instrument Panel (369D/E/FF - 500/600N)
93
Fairings (L/H Command T-Panels)
95
Hood
95
Maintenance Practices
95
T'' Instrument Panel
95
T'' Instrument Panel General Maintenance
95
T'' Instrument Panel Removal
95
T'' Instrument Panel Replacement
95
Hood Installation
98
Hood Removal
98
Hood Replacement
98
T'' Instrument Panel Installation
98
Formed Polyester Glass Fiber Hood Repair
99
Formed Thermoplastic Hood Repair
99
Altimeter Needle Oscillation
107
Maintenance Practices
107
Heated Pitot Tube
115
Heated Pitot Tube Removal (Slim-Line Instrument Panel)
117
Heated Pitot Tube Replacement (Slim-Line Instrument Panel)
117
Heated Pitot Tube Troubleshooting
117
Wire Identification Numbers
117
Wiring Diagrams
117
Thru
117
Heated Pitot Tube Installation (L/H Command T-Panel)
120
Heated Pitot Tube Installation (Slim-Line Instrument Panel)
120
Heated Pitot Tube Removal (L/H Command T-Panel)
120
Heated Pitot Tube Replacement (L/H Command T-Panel)
120
369FF SN 076 and Subs; 500/600N SN 001 and Subs)
122
Canopy Panel Grommet Replacement Using A-4000 Adhesive
123
Canopy Panel Grommet Replacement Using Silastic 140 Adhesive
123
Circuit Breaker Switch Replacement
123
Electrical Bond Jumper Replacement
124
Heated Pitot Tube Functional Test
124
Instrument Panel Preparation (L/H Command T-Panel)
127
Instrument Panel Preparation (Slim-Line Instrument Panel)
127
Canopy Panel Modification
128
Doubler Installation (Round Nose)
129
Ground Studs Installation (L/H Command T-Panel)
130
Heated Pitot Tube Installation (Extended Nose)
131
Heated Pitot Tube Installation (Round Nose)
131
Weight and Balance Data
132
Attitude Gyro Indicators
133
Attitude Gyro Indicator - Shipping, Transporting and Handling Guidelines
135
Attitude Gyro Indicator Description
135
Maintenance Practices
135
Shipping and Transporting
135
Thru
137
Instrument Panel Modification (Slim-Line Instrument Panels)
157
Instrument Panel Modification (IVSI SLZ9066, R/H Command T-Panels)
157
Instrument Panel Modification (IVSI UI7130 or AC-30-V-10, R/H Command T-Panels)
157
Instrument Panel Modification (L/H Command T-Panels)
157
IVSI Installation (369H90044-BSC, Slim-Line Instrument Panels)
157
IVSI and Bolt Light Installation (L/H Command T-Panels)
158
IVSI and Grimes Light Assembly Installation (R/H Command T-Panels)
158
IVSI Installation (369H90044-501, Slim-Line Instrument Panels)
158
Completion of Installation
159
Weight and Balance Data
159
Magnetic Compass
161
Magnetic Compass
163
Magnetic Compass Ground Swinging
163
Magnetic Compass Maintenance Practices
163
Magnetic Compass Troubleshooting
163
Maintenance Practices
163
Directional Gyro Indicators
167
Directional Gyro Indicator Inspection
169
Directional Gyro Indicator Operating, Handling and Shipping Guidelines
169
Directional Gyro Indicator Replacement
169
Directional Gyro Indicator Troubleshooting
169
Angles Modification
173
Helicopter Equipment Removal
173
Instrument Panel Support Structure Modification (Slim-Line Instrument Panel)
173
Preparation for Installation
173
T-Brackets and Support Assembly Installation
173
Directional Gyro Indicator Installation (L/H Command T-Panel)
174
Directional Gyro Indicator Installation (Slim-Line Instrument Panel)
174
Instrument Panel Modification (L/H Command T-Panel)
174
Instrument Panel Modification (R/H Command T-Panel)
174
Completion of Installation
175
Directional Gyro Indicator Installation (R/H Command T-Panel)
175
Weight and Balance Data
175
Power Train Instruments
177
Engine Power out Warning Control Unit Circuits
182
Low Main Rotor Speed (NR) Sensor Circuits
182
Audio Tone Generation Circuits
183
Automatic Re-Ignition Circuit (Slim-Line Instrument Panels)
183
Engine out
183
EPO Audible Warning Horn
183
Light Flasher Circuit
183
Tone Interrupt Circuit
183
Voice Warning LRU (600N)
183
ECU Manual
184
Fire
184
Fuel Flow Fixed
184
Low Rotor
184
Power
184
Fault Isolation
185
Power Train Instruments Fault Isolation
185
Tachometer Generator Troubleshooting
185
TOT Indicating System Troubleshooting
185
Engine Oil Pressure and Torque Indicating System Troubleshooting
186
Chip Detector Circuits Replacement
195
Tachometer Generator Replacement
195
Tachometer Indicating Systems Maintenance Procedures
195
Thermocouple Wiring Harness Maintenance Procedure
195
TOT Indicator Maintenance Procedures
195
Engine Oil Pressure and Torque Gauge Maintenance Procedures
201
Plenum Wall Fitting Replacement (369D Helicopters S/N 0003 - 0232)
201
Engine Oil Pressure and Torque Gauge Pressure Line Replacement
202
369A8010 Engine Oil Pressure and Torque Gauge Tubing Pull Test
204
Autronics EPO Warning Control Unit Replacement
205
Adjustment/Test
209
Power Train Instruments Adjustment/Test (369D/E/FF - 500N)
209
Tachometer Generator Test
209
TOT Indicating System Calibration
209
Autronics EPO Warning Control Unit Operational Check
212
Engine Oil Pressure and Torque Gauge Lines Bleeding and Servicing
212
Chip Detector Circuit Operational Check
213
NR Disable Switch (S199) Adjustment
213
Voice Warning LRU Operational Check (600N)
213
Engine Oil Temperature/Engine Oil Pressure
214
N1 Tachometer
214
NR/N2 (NP) Dual Tachometer Indicator
214
Oil Pressure Calibration Data
214
Power Train Instruments Adjustment/Test (600N)
214
TOT Indicator
214
Revision 9
214
Torque Indicator Calibration
215
(369D/E - 500N)
216
Digital TOT Indicating System Inspection (369D/E - 500N)
216
Digital TOT Indicating System Inspection (600N)
217
Revision 7
230
Electrical Power
233
Revision 14
236
Revision 7
238
Revision 11
239
Chapter 97 Revision 14
241
Electrical Power
243
Maintenance Practices
245
Description and Operation
245
Electrical System - Fault Isolation
245
Miscellaneous DC Main Power and Control
245
Revision 11
245
Revision 13
246
Revision 7
247
Electrical Connectors
249
Repair/Replacement of Connectors
249
Revision 11
249
External Power Receptacle Replacement
250
Electrical Wiring and Harnesses
250
Maintenance of Electrical Bonding Connections
250
Replacement of Terminal Blocks and Terminal Block Contact Tips
250
Air/Ground Switch S522
251
Electrical Maintenance - Wiring, Electrical Bonding and Wiring Harnesses
251
Electrical Symbols
251
Wire Harness Replacement
251
Air/Ground Switch S522 Adjustment
252
Air/Ground Switch S522 Replacement
252
Revision 13
254
Revision 11
258
Revision 11
265
Revision 12
266
Inspection/Check
267
Connector and Accessories Inspection
267
Module Inspection
267
Revision 11
267
Revision 12
268
Revision 7
270
Wiring Inspection
271
Wire Harness Inspection
271
Single Wire and Shielded Wire Damage Limitations
273
Coaxial Cable Damage Limitations
274
Soldered Contact Inspection
274
Solder Joint Inspection
275
Continuity Test
276
Electrical Tests
276
Open Circuit Test
277
Voltage Test (Power On)
278
Wiring Diagrams (369D)
279
Description and Operation
281
Maintenance Practices
281
Thru
286
(369D; 003 - 723) (Sheet 1 of 6)
294
(369D; 003 - 723) (Sheet 1 of 7)
300
(Sheet 1 of 6)
307
(Sheet 1 of 6)
313
(369D; 724 - 1149) (Sheet 1 of 6)
319
(369D; 724 - 1149) (Sheet 1 of 7)
325
(Sheet 1 of 6)
332
(Sheet 1 of 7)
338
Wiring Diagrams (369E/FF - 500N)
345
Description and Operation
347
Maintenance Practices
347
001 - 044) (Sheet 1 of 9)
374
001 - 044) (Sheet 1 of 7)
383
Heavy Duty Battery (17 Amp, 20 Cell)
457
Battery Charging
459
Battery Handling and Servicing Precautions
459
Battery Servicing
459
Battery Temperature Sensors
459
Cleaning, Repair and Maintenance
459
Description and Operation
459
Maintenance Practices
459
Troubleshooting
459
Battery Replacement
460
Heavy Duty Battery Initial Installation
463
Inboard and Outboard Access Door Support Modification
463
Initial Installation
463
Preparation for Installation
463
Installation of Aft Battery Support Assembly
465
Installation of Forward Battery Support Assembly
465
Installation of Terminal Board Support Bracket and Relocation of Terminal Board
467
Installing Battery Wire Harness
467
Voltage Adjustment
467
Installing Battery and Completing Installation
469
Weight and Balance
469
DC Generation
471
DC Generation - Fault Isolation
473
Description and Operation
473
Maintenance Practices
473
Generator Control Unit (GCU)
474
Generator Control Unit (GCU) Replacement
474
Overvoltage Relay Replacement
481
Reverse Current Relay
481
Reverse Current Relay Replacement
481
Engine Starting Equipment
482
Generator
482
Generator Field Flashing
482
Starter/Generator
482
Starter/Generator Removal
482
Starter/Generator Replacement
482
Starter/Generator - Exterior Inspection
484
Starter/Generator - Interior Inspection
484
Starter/Generator Inspection
484
Starter/Generator Installation
484
Starter/Generator Repair
485
Installation of Transient Suppressor (Start Relay)
486
Start Relay
486
Start Relay Replacement
486
Generator Control Unit Bench Test
487
Generator Control Unit Upgrade to Eliminate Squat Switch
488
DC Electrical Load Distribution
489
Description and Operation
491
Maintenance Practices
491
Power Distribution
491
Power Distribution Equipment
491
Power Distribution Center
492
Power Distribution Center Replacement
492
Load Chart - Electrical System
493
Fault Isolation
493
Electrical System Switches, Controls and Circuit Breaker Configurations
493
Circuit Breaker and Switch Panels
493
Control Switches
493
Circuit Breaker and Switch Replacement
493
Switch and Circuit Breaker Edgelighted Panel Replacement
493
Electrical System Switches, Controls and Circuit Breaker Configurations (T-Panel with Center Console)
494
Control Console Panels
494
Circuit Breaker Panel
494
Circuit Breaker Panel Replacement
494
T-Panel and Center Console
495
(Sheet 1 of 2)
498
Switch Control Panel
500
Switch Panel and Switch Replacement
500
Lights Control Panel
500
Lights Control Panel - Switches or Potentiometer Replacement
500
Inspection
500
Helicopters with Slim Line Panel
501
E/FF - 500N Helicopters with T-Panel
502
Helicopters
503
Helicopters with T-Panel and Center Console
504
(Sheet 1 of 3)
504
Strobe Anticollision Light Power Supply Replacement
553
Interior Lighting System
554
Edgelighted Panel Replacement
554
Instrument Panel Lights Description and Replacement
554
Instrument Panel Postlight Replacement
554
Pilot's Utility Light
554
Postlight Lamp Replacement
554
Passenger/Cargo Utility Light
555
Passenger/Cargo Utility Light Replacement
555
Pilot's Utility Light Replacement
555
Lighting System Inspection
555
Searchlight
559
Maintenance Practices
561
Description and Operation
561
Reference Data
561
Searchlight - Fault Isolation
561
Circuit Breakers and Caution Light Installation
572
Electrical Wiring
573
Searchlight Assembly
573
Access Cover Modification
575
Helicopter Equipment Installation
575
Float Lamp
577
Float Lamp Description and Operation
579
Float Lamp Fault Isolation
579
Maintenance Practices
579
Float Lamp Circuit Operation
580
Float Lamp Replacement
580
Float Lamp Housing Replacement
582
Float Lamp Relay Replacement
583
Float Lamp Switch Replacement
583
Float Lamp Circuit Breaker Switch Replacement
586
Float Lamp Functional Test
586
Float Lamp Inspection
587
Lamp Assembly Adjustment
587
Float Lamp Assembly Repairs
588
Wire Identification Numbers
588
Doubler Installation
591
Float Lamp Initial Installation
591
Initial Installation
591
Reference Data
591
Relay Installation
594
Left Side Circuit Breaker Switch Installation
595
Table of Contents
605
Csp−Hmi−3
610
Para/Figure/Table
610
TABLE of CONTENTS (Cont.)
610
Title
610
Avionics
611
Description and Operation
613
Avionics Overview
613
Copilot and Passenger Stations
613
ICS Systems
613
Pilot and Copilot Stations
613
Headset Microphones, Headset Adapters and Headset Cables
615
Description and Operation
617
Headset Adaptors
617
Headset-Microphones
617
Thru
617
Headset Cable Assemblies
623
Intercommunication System (Collins)
627
Description and Operation
629
C-6533/ARC ICS Control Panel Controls and Indicators
629
C-6533/ARC ICS Control Panel Operation
630
C-6533/ARC ICS Control Panel Technical Characteristics
630
Troubleshooting
633
General
633
Intercommunication System Troubleshooting
633
Transmit and Receive Problems
633
Maintenance Practices
641
C-6533/ARC ICS Control Panel Replacement
641
Control Knob Replacement
641
Intercommunications System Operational Checks
641
Lamp Replacement
641
Intercommunication System Inspection
642
11 Wiring Harness and Relays Installation
646
ICS Control Panel Installation
646
Microphone Jack and Mike Switch Installation
646
Other Wiring Harness Routing
646
Weight and Balance Data
646
Intercommunication System (King)
653
Description and Operation
655
Mode Select Switch Only)
656
Modes of Operation
656
KMA 24H Audio Control Panel Controls and Indicators
657
(Helicopters with Optional Mode Select Switch Only)
658
KMA 24H Control Panel Technical Characteristics
658
VOX Sensitivity Level Adjustment
658
Troubleshooting
661
Intercommunication System Troubleshooting
661
KMA 24H Audio Control Panel Troubleshooting (Dual Installations)
661
Maintenance Practices
673
Intercommunication System Operational Check
673
KMA 24H Audio Control Panel Replacement
673
Mounting Tray Replacement
673
Pilot and Copilot Stations
673
Intercommunication System Cleaning
674
Intercommunication System Inspection
674
Intercommunication System Repairs
676
Integrated Interphone Communication System (Carter)
677
Description and Operation
679
CE 500 HT-3G ICS Control Unit Description
679
General
679
Troubleshooting
681
CE 500 HT-3G ICS Control Unit Troubleshooting
681
Integrated Interphone Communication System Troubleshooting
681
Maintenance Practices
699
CE 500 HT-3G ICS Control Unit Replacement
699
CE 500 HT-3G ICS Control Unit Testing
699
Integrated Interphone Communication System Testing and Adjustments
699
Intercom Microphone Audio Level Adjustment
699
Integrated Interphone Communication System Inspection
700
Intercom Phone Audio Level Adjustment
700
VHF COMM Transceiver Sidetone Signal Level Adjustment
700
Integrated Interphone Communication System Repairs
701
Public Address and Siren System Installation
705
Maintenance Practices
707
Description and Operation
707
Public Address and Siren System Fault Isolation
707
Reference Data
707
Amplifier Replacement
708
Replacement of System Component
708
Wiring Diagram
708
Circuit Breaker Replacement
712
Control Unit and Microphone Replacement
712
Loudspeaker Replacement
712
Electrical Wiring Harness Replacement
713
Operational Check
713
Inspection
714
Repair
714
Initial Installation
715
Installation of System Components
715
Modification of Helicopter
715
Preparation for Installation
715
Public Address and Siren System Initial Installation
715
Removal of Helicopter Equipment
715
Amplifier Assembly
716
Loudspeaker Assembly
716
Control Unit and Microphone
717
Circuit Breaker
720
Electrical Wiring Installation
720
Installation of Helicopter Equipment
721
Weight and Balance Data
721
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MD Helicopters 369D Specifications
General
Brand
MD Helicopters
Model
369D
Category
Toy
Language
English
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