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Raytheon DH 125 Series 400A Aircraft Maintenance Manual - Rev 112 (2003) - PDF
Raytheon DH 125 Series 400A Aircraft Maintenance Manual - Rev 112 (2003) - PDF - Image 2
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Raytheon DH 125 Series 400A Aircraft Maintenance Manual – Rev 112 (2003) – PDF

Original price was: $49.95.Current price is: $34.95.

Complete factory maintenance manual for the Raytheon DH 125 Series 400A (Mod.252550) business jet. Covers all airframe systems and engines. Instant PDF download.

SKU: RAY-DH125-400A-AMM-HD Category: Tags: , , , Vendor: OEM Repair Docs
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Description

File Details

  • Manual Type: Aircraft Maintenance Manual
  • Brand/Model: Raytheon DH 125 Series 400A (Mod.252550) – also applies to BH 125 (NA 753 and subsequent)
  • Document Number: MM 125-F400AGV1-V2 / MM 125-F400AGV3 (combined volumes)
  • Revision: 112, dated June 2003
  • Language: English
  • Page Count: 1,962 pages
  • File Format: PDF (instant download, printable, device-friendly)

Chapters Covered

This comprehensive manual is organized according to ATA Specification 100 and spans three volumes. Below is a high-level overview of the content included:

Volume 1 – Introduction through Chapter 27

  • Introduction – manual usage, revision system, safety
  • Chapter 05 – Time Limits / Maintenance Checks (separate manual reference)
  • Chapter 06 – Dimensions and Areas
  • Chapter 07 – Lifting and Shoring (jacking, trestling, salvage)
  • Chapter 08 – Leveling and Weighing
  • Chapter 09 – Towing and Taxiing
  • Chapter 10 – Parking, Mooring, Storage, Return to Service
  • Chapter 12 – Servicing (lubrication, air conditioning, electrical, flight controls, fuel, hydraulic, ice/rain, landing gear, oxygen, water/waste, APU, windows, engine oil)
  • Chapter 20 – Standard Practices – Airframe (token page; full content in separate manual 125/H-20)
  • Chapter 21 – Air Conditioning (distribution, pressurization, temperature control)
  • Chapter 22 – Auto Flight (token page)
  • Chapter 23 – Communications (aerials, static discharging)
  • Chapter 24 – Electrical Power (DC generation, AC generators, batteries, distribution)
  • Chapter 25 – Equipment/Furnishings (crew seats, harness, control pedestal)
  • Chapter 26 – Fire Protection (detection, extinguishing)
  • Chapter 27 – Flight Controls (aileron, rudder, elevator, flaps, airbrakes, gust locks)

IMAGES PREVIEW

Raytheon DH 125 Series 400A Aircraft Maintenance Manual - Rev 112 (2003) - PDF — PDF page 1 preview
Raytheon DH 125 Series 400A Aircraft Maintenance Manual - Rev 112 (2003) - PDF — PDF page 155 preview
Raytheon DH 125 Series 400A Aircraft Maintenance Manual - Rev 112 (2003) - PDF — PDF page 1028 preview

Volume 2 – Chapter 28 through Chapter 57

  • Chapter 28 – Fuel (tanks, feed, controls, indicating)
  • Chapter 29 – Hydraulic Power (main and auxiliary systems, accumulators)
  • Chapter 30 – Ice and Rain Protection (airframe, pitot, windshield, detection)
  • Chapter 31 – Indicating/Recording Systems (instrument panels)
  • Chapter 32 – Landing Gear (main and nose gear, wheels, brakes, steering, indicators)
  • Chapter 33 – Lights (flight compartment, passenger, exterior, emergency)
  • Chapter 34 – Navigation (compass, pitot/static, stall warning, Mach/airspeed, autopilot servos)
  • Chapter 35 – Oxygen (standard system and Mod.252036)
  • Chapter 38 – Water/Waste (token)
  • Chapter 49 – Airborne Auxiliary Power (token)
  • Chapter 51 – Standard Practices – Structures (symmetry checks)
  • Chapter 52 – Doors (entry door, escape hatch, warning)
  • Chapter 53 – Fuselage (drainage, fittings, canopy blister)
  • Chapter 55 – Stabilizers (horizontal, vertical, attachments)
  • Chapter 56 – Windows (flight compartment and cabin)
  • Chapter 57 – Wings (fairing seal)

Complete PDF Bookmark Tree

Complete Bookmarks

The complete bookmarks in the “Raytheon DH 125 Series 400A Aircraft Maintenance Manual – Rev 112 (2003) – PDF” are as follows:

Aircraft Maintenance Manual (MM 125-F400AG)p. 1
Volume 1 & 2 (Airframe)p. 1
Record of Revisionsp. 4
Record of Temporary Revisionp. 8
Letter of Transmittal (Highlights of Changes)p. 11
List of Effective Pagesp. 101
Manufacturer's Introductionp. 102
05.00.00 Time Limits/Maintenance Checksp. 108
05.00.00 (Refer to Maintenance Schedule Manual)p. 108
06.00.00 Dimension and Areasp. 111
06.00.00 List of Effective Pagesp. 112
06.00.00 Generalp. 113
07.00.00 Lifting and Shoringp. 115
07.00.00 List of Effective Pagesp. 117
07.10.00 Jacking and Trestlingp. 118
07.20.00 Salvagingp. 123
07.20.11 Use of Lifting Bagsp. 125
07.20.21 Slinging Aircraftp. 127
08.00.00 Leveling and Weighingp. 129
08.00.00 List of Effective Pagesp. 130
08.00.00 Generalp. 131
09.00.00 Towing and Taxiingp. 133
09.00.00 List of Effective Pagesp. 134
09.00.00 Generalp. 135
10.00.00 Parking, Mooring, Storage, and Return to Servicep. 140
10.00.00 List of Effective Pagesp. 141
10.00.00 Parking and Mooringp. 142
12.00.00 Servicingp. 149
12.00.00 List of Effective Pagesp. 153
12.00.00 Generalp. 154
12.20.25 Aileron Control Cables – Lubricationp. 158
12.21.00 Air Conditioningp. 160
12.24.00 Electrical Powerp. 161
12.27.00 Flight Controlsp. 163
12.28.00 Fuel Systemp. 164
12.29.00 Hydraulicp. 173
12.30.00 Ice and Rain Protectionp. 175
Temporary Revision No. 12-2p. 177
12.32.00 Landing Gearp. 190
12.35.03 Oxygen (Mod. 251630 – Bottle in Nose Compartment)p. 194
12.35.04 Oxygen (Mod. 252036 – Bottles in Rear Fuselage)p. 196
12.38.00 Water/Wastep. 199
12.49.00 Auxiliary Power Unitp. 200
12.56.00 Windowsp. 202
12.79.00 Engine Oilp. 203
20.00.00 Standard Practices – Airframep. 207
21.00.00 Air Conditioningp. 210
21.00.00 List of Effective Pagesp. 213
21.05.00 Generalp. 216
21.10.00 Air Supply & Distributionp. 217
21.10.00 09 Air Supply and Distributionp. 217
21.10.00 15 Pipes and Ductingp. 222
21.10.00 25 Air Valve (Main) Swithesp. 224
21.10.00 26 Air Valve (HP)p. 229
21.10.00 35 Mixing Valve (LP/HP)p. 232
21.10.00 37 Reference Regulator and Temperature Compensatorp. 240
21.10.00 55 Check Valves (Auxiliary Supply)p. 241
21.10.00 75 Flow Control Valvep. 243
21.10.00 85 Refrigeration Unitp. 249
21.10.00 95 Water Separatorp. 256
21.10.00 107 Non-Return Valve (Main Air Supply)p. 264
21.10.00 125 Footwarmer & Windshield Demister Valvep. 267
21.10.00 126 Footwarmer & Windshield Demister Valvep. 268
21.10.00 135 Ventilation Fansp. 269
21.10.00 145 Punkah Louvresp. 270
21.10.00 155 Ram Air Valvep. 271
21.10.00 165 Check Valve (Ram Air Supply)p. 275
21.10.00 195 Shut-Off Valve (A.P.U. Supply)p. 279
21.30.00 Pressurization Controlp. 280
21.30.00 07 Pressurization Controlp. 280
21.30.00 15 Outflow/Safety Valve Controllerp. 291
21.30.00 25 Outflow/Safety Valvep. 296
21.30.00 35 Pneumatic Relayp. 301
21.30.00 45 Air Jet Pumpp. 306
21.30.00 55 Pressure Regulatorp. 309
21.30.00 65 Fan Operated Venturip. 312
21.30.00 85 Ground Pressures Test Valvep. 317
21.30.00 95 Manual Cabin Altitude Control Valvep. 318
21.30.00 105 Venturip. 321
21.30.00 115 Cabin Air Filterp. 324
21.30.00 125 Check Valvep. 325
21.30.00 136 Dump Valve Control Mechanismp. 326
21.60.00 Temperature Controlp. 328
21.60.00 09 Temperature Controlp. 328
21.60.00 15 Temperature Controllerp. 336
21.60.00 25 Temperature Control Selectorp. 341
21.60.00 55 Turbine By-Pass Valvep. 344
21.60.00 65 Refrigeration Unit By-Pass Valvep. 349
21.60.00 75 Duct Temperature Control Sensorp. 353
21.60.00 85 Temperature Switchp. 356
21.60.00 105 Auxiliary Heating Valvep. 357
22.00.00 Autoflightp. 361
22.00.00 List of Effective Pagesp. 362
22.00.00 Generalp. 363
23.00.00 Communicationsp. 364
23.00.00 List of Effective Pagesp. 366
23.20.00 Data Transmission and Automatic Callingp. 367
23.20.00 1622 VHF Aerial (in Overfin)p. 367
23.60.00 Static Dischargingp. 368
23.60.00 11 Static Discharger Probep. 368
23.60.00 12 Static Dischargerp. 370
24.00.00 Electrical Powerp. 371
24.00.00 List of Effective Pagesp. 374
24.01.00 Generalp. 376
24.20.00 AC Generationp. 395
24.21.00 16 Constant Frequency Systemp. 395
24.21.00 101 Inverterp. 402
24.22.00 03 Random Frequency (Windshield Power) Systemp. 404
24.22.00 21 AC Generatorp. 411
24.30.00 DC Generationp. 415
24.30.00 04 DC Generation (w/o Cold Start and 3rd Battery)p. 415
24.30.00 21 Starter/Generatorp. 434
24.30.00 102 Battery 24V 25AH – Chloride Industrial Batteriesp. 450
24.30.00 103 Battery 24V 25AH – Hawker Lead Acid 9750E0640p. 456
24.30.00 104 Battery 24V 23AH – Saft Nickel-Cadmium 23491p. 463
24.30.00 105 Battery Thermostatp. 472
24.30.00 142 Bus Tie Protection Unitp. 475
24.35.00 03 APU Generationp. 476
24.50.00 Distributionp. 483
25.00.00 Equipment/Furnishingsp. 487
25.00.00 List of Effective Pagesp. 489
25.10.00 Flight Compartmentp. 490
25.10.04 Flight Compartmentp. 490
25.10.12 Crew Seatsp. 492
25.10.21 Seat Harness – Teleflex Type E74247p. 495
25.10.32 Control Pedestalp. 496
26.00.00 Fire Protectionp. 500
26.00.00 List of Effective Pagesp. 503
26.00.00 Generalp. 504
26.10.00 Fire/Overheat Detection & Warningp. 506
26.10.12 Engine Fire/Overheat Detectorp. 514
26.10.31 Warning Bellp. 520
26.10.41 HSRS Detector Switchp. 521
26.15.00 APU Fire Detection & Warningp. 524
26.15.11 Fire Detectorsp. 527
26.20.00 Fire Extinguishingp. 528
26.20.12 Dual Head Fire Extinguisherp. 536
26.20.22 Cartridge Unit (Main Engine)p. 540
26.20.31 Pressure Relief Discharge Indicatorp. 541
26.20.41 Extinguisher Fired Indicatorp. 542
26.20.51 APU Fire Extinguisherp. 543
27.00.00 Flight Controlsp. 546
27.00.00 List of Effective Pagesp. 550
27.00.00 Generalp. 553
27.10.00 Aileron and Aileron Trim Control Systemp. 558
27.10.00 11 Control Columnp. 576
27.10.00 31 Aileronp. 583
27.10.00 71 Aileron Trim Jackp. 588
27.10.00 91 Aileron Servo Mountingp. 592
27.20.00 Rudder and Rudder Trim Control Systemsp. 597
27.20.00 23 Rudderp. 620
27.20.00 35 Rudder Pedal Assemblyp. 626
27.20.00 51 Rudder Bias Strutp. 631
27.20.00 71 Rudder Bias System Pipingp. 637
27.20.00 81 Rudder Spring Strutp. 638
27.20.00 111 Rudder Trim Jackp. 640
27.20.00 121 Autopilot Rudder Servo Mounting (Type 351B-3)p. 643
27.30.00 Elevator and Elevator Trim Control Systemsp. 645
27.30.00 22 Elevatorp. 664
27.30.00 30 Elevator Mass Balance Assemblyp. 670
27.30.00 51 Elevator Trim Jackp. 672
27.30.00 81 Autopilot Elevator Servo Mountingp. 675
27.30.00 91 Trim Tab Elevator Servo Mountingp. 678
27.50.00 Flap Control Systemp. 681
27.50.00 02 Flap Control Systemp. 681
27.50.00 111 Spring Drump. 700
27.50.00 121 Flap Control Unitp. 702
27.50.00 131 Flap Drive Shaftsp. 713
27.50.00 135 Bevel Drive Assembliesp. 715
27.50.00 141 Flap Screwjacks and Reduction Gearboxesp. 717
27.50.00 151 Flapsp. 721
27.50.00 161 Receiver Unitp. 724
27.50.00 171 Synchronizer Transmitter Gear Boxp. 728
27.60.00 Spoiler, Drag Devices, and Variable Aerodynamic Fairingsp. 729
27.61.00 02 Airbrake and Lift Dump Control Systemp. 729
27.61.00 21 Airbrakesp. 739
27.61.00 31 Airbrake Jackp. 745
27.70.00 Gust Lock and Dampenerp. 747
27.72.00 Gust Lock-Ailerons, Elevators and Throttle Levers Baulkp. 747
27.74.00 Gust Lock-Rudderp. 756
28.00.00 Fuelp. 757
28.00.00 List of Effective Pagesp. 762
28.00.01 Generalp. 765
28.09.00 11 Pipe Couplings & Fittingsp. 769
28.10.00 Storagep. 773
28.10.00 02 Storagep. 773
28.10.00 12 Tanksp. 786
28.10.00 23 Manhole Covers and Access Panelsp. 798
28.10.00 41 Filler Cap Assembly (Wing Tanks)p. 803
28.10.00 42 Filler Cap Assembly (Ventral Tanks)p. 807
28.10.00 51 Flap Valvesp. 809
28.10.00 73 Fuel Drain Valvesp. 810
28.10.00 83 Water Drain Valvesp. 813
28.10.00 101 Vent Float Valves (Wing Tank)p. 816
28.10.00 102 Vent Float Valves (Ventral Tank)p. 817
28.10.00 111 Vent Surge Tankp. 819
28.10.00 121 Vent Drain Valvesp. 820
28.10.00 132 Non-Return Valve (Long Range Tank)p. 821
28.20.00 Fuel Feed Systemp. 823
28.20.00 01 Fuel Feed System (Main Engine)p. 823
28.20.00 08 Fuel Feed System (APU)p. 838
28.20.00 12 Booster Pumpp. 845
28.20.00 21 Non-Return Valvesp. 848
28.20.00 52 Low-Pressure Valvep. 851
28.20.00 61 Cross-Feed Valvep. 854
28.20.00 71 Wing Fuel Transfer Valvep. 856
28.20.00 75 Long Range Tank Fuel Transfer Valvep. 857
28.20.00 81 Controlsp. 859
28.20.00 95 Wing Transfer Valve, Microswitchp. 864
28.20.00 97 Long Range Transfer Valve, Microswitchp. 866
28.20.00 151 APU Fuel Pumpp. 868
28.20.00 161 APU Fuel Filterp. 871
28.20.00 171 APU Solenoid Valvep. 875
28.20.00 181 APU Fuel Pressure Switchp. 877
28.20.00 191 Non-Return Valvep. 878
28.20.00 201 Fuel Suction Pipe & Strainerp. 880
28.40.00 Indicatingp. 882
28.41.00 11 Dip Tubep. 883
28.42.00 Fuel Contents Ind (Capacitance Sys) (Pre Mod. 252572)p. 884
28.42.00 02 Fuel Cont Ind (Capacitance Sys) (Mod. 252572)p. 908
28.43.00 31 Float Switches (Long Range Tank)p. 931
28.43.00 41 Float Switches (Vent Surge Tank)p. 934
28.45.00 Float Temperature Indicatingp. 936
28.45.00 21 Fuel Temperature Bulbp. 937
29.00.00 Hydraulic Powerp. 938
29.00.00 List of Effective Pagesp. 941
29.00.00 Generalp. 943
29.10.00 Main Systemp. 946
29.10.13 Reservoir Assemblyp. 970
29.10.21 Suction Filterp. 973
29.10.31 On/Off Valvep. 975
29.10.43 On/Off Valve Controlsp. 977
29.10.52 Engine Driven Pumpp. 981
29.10.53 Engine Driven Pump & Ripple Suppressorp. 985
29.10.54 Abex Engine-Driven Hydraulic Pumpp. 993
29.10.61 Pressure Filterp. 999
29.10.68 Non-Returns Valves (Pressure Supply)p. 1005
29.10.81 Accumulatorsp. 1007
29.20.00 Auxiliaryp. 1008
29.20.02 Auxiliary Systemp. 1008
29.30.00 Indicatingp. 1018
30.00.00 Ice and Rain Protectionp. 1022
30.00.00 List of Effective Pagesp. 1025
30.00.00 Generalp. 1026
30.10.00 Airfoilp. 1027
30.10.02 Airframe De-Icing Systemp. 1027
30.10.11 Pipe Couplingsp. 1033
30.10.33 Storage Tankp. 1037
30.10.42 De-Icing Pumpp. 1038
30.10.52 Filter Assemblyp. 1041
30.10.71 Distributor Panels and Metering Tubesp. 1043
30.30.00 Pitot Heads De-Icing Systemp. 1047
30.30.11 Pitot Heads Heatersp. 1048
30.40.00 Windshield Ice and Rain Protection Systemsp. 1049
30.41.00 Windshield Electrical De-Icing Systemp. 1055
30.44.00 Windshield Electrical De-Icing Systemp. 1062
30.44.12 De-Icing Fluid Storage Tankp. 1065
30.47.00 Windshield Wiper Systemp. 1067
30.80.00 Ice Detection Systemp. 1072
30.80.11 "Rotary" Ice Detectorp. 1074
30.80.21 "Hot Rod" Ice Detectorp. 1077
30.80.31 Time Delay Relayp. 1078
31.00.00 Instrumentsp. 1079
31.00.00 List of Effective Pagesp. 1081
31.01.00 Generalp. 1082
32.00.00 Landing Gearp. 1091
32.00.00 List of Effective Pagesp. 1096
32.00.00 Generalp. 1099
32.10.00 Main Gear and Doorsp. 1101
32.10.00 01 Main Gear, Fairings & Doorsp. 1101
32.10.00 11 Main Leg Assemblyp. 1105
32.10.00 Temporary Revision No. 32-4p. 1106
32.10.00 25 Side Stay Assemblyp. 1125
32.10.00 32 Main Gear Fairingsp. 1137
32.10.00 41 Main Gear Wheel Doorsp. 1139
32.20.00 Nose Gear and Doorsp. 1146
32.20.00 12 Nose Leg Assemblyp. 1149
32.20.00 21 Drag Stay Assemblyp. 1156
32.20.00 41 Nose Gear Doorsp. 1160
32.30.00 Extension and Retractionp. 1162
32.30.00 01 Extension and Retractionp. 1162
32.30.00 05 Nose Gear Retraction Jackp. 1169
32.30.00 11 Landing Gear Selector Controlsp. 1171
32.30.00 21 Solenoidp. 1175
32.30.00 26 Main Gear Jacksp. 1177
32.30.00 31 Reversing Valvesp. 1181
32.30.00 41 Sequence Valvesp. 1186
32.40.00 Wheels and Brakesp. 1188
32.40.00 11 Main Wheelsp. 1197
32.40.00 21 Nose Wheelsp. 1204
32.40.00 31 Nose Axle Assemblyp. 1209
32.40.00 41 Tires (Main and Nose Wheels)p. 1212
32.40.00 51 Brake Controlsp. 1226
32.40.00 61 Main Reducing Valvep. 1236
32.40.00 71 Brake Control Valvep. 1237
32.40.00 91 Modulator Unitp. 1242
32.40.00 101 Maxaret (Anti-Skid) Installationp. 1244
32.40.00 112 Brake Unitp. 1252
32.40.00 131 Emergency Reducing Valvep. 1270
32.50.00 Steeringp. 1271
32.50.00 11 Steering Jackp. 1281
32.50.00 12 Steering Jack Selector Valvep. 1285
32.60.00 Position and Warningp. 1287
32.60.00 Electrical Indicating Systemp. 1287
32.60.00 15 Warning Hornp. 1293
32.65.00 Mechanical Indicating Systemp. 1301
33.00.00 Lightsp. 1306
33.00.00 List of Effective Pagesp. 1310
33.01.00 Generalp. 1311
33.10.00 General Compartmentp. 1312
33.10.03 Flight Compartment Lightingp. 1312
33.10.21 Dimmmer Switchesp. 1316
33.10.31 Spot Lampsp. 1318
33.10.41 Sidewall Storm Lampp. 1319
33.14.02 Central Attention Getting Systemp. 1320
33.20.00 Passenger Compartmentsp. 1325
33.20.03 Passenger Compartments Lightingp. 1325
33.20.11 Flourescent Strip Lampsp. 1329
33.20.31 Passenger Compartments & Toilet Standby Lampsp. 1330
33.20.41 Cabin Safety Notices Lampsp. 1332
33.20.61 Passenger Reading Lamp & Switchp. 1333
33.30.00 Cargo and Service Compartmentp. 1334
33.30.01 Rear Equipment Bay Lightingp. 1334
33.40.00 Exteriorp. 1336
33.40.01 Exterior Lightingp. 1336
33.40.11 Tail Navigation Lampp. 1339
33.40.21 Landing & Taxiing Lampsp. 1340
33.40.42 Anti-Collision Beaconp. 1343
33.40.51 Wing Ice Inspection Spotlampp. 1346
33.50.00 Emergency Lightingp. 1347
33.50.01 Emergency Lightingp. 1347
33.50.03 Emergency Lighting (Mod. 256229)p. 1348
33.50.31 Piston Inertia Switchp. 1349
34.00.00 Navigationp. 1352
34.00.00 List of Effective Pagesp. 1354
34.09.00 111 Standby Compassp. 1355
34.10.00 Flight Environment Datap. 1360
34.11.00 00 Pitot/Static Systemp. 1360
34.11.00 21 Pitot Head (LH & RH)p. 1375
34.11.00 51 Single Isolation Valve Assemblyp. 1378
34.11.00 71 Triple Isolation Valve Assemblyp. 1380
34.12.00 21 Outside Air Temperature Bulbp. 1382
34.13.00 Altitude Warning Systemp. 1383
34.14.00 Stall Warning Systemp. 1385
34.14.00 101 Stick Shaker Unit (Mark 9)p. 1389
34.15.00 Mach/Airspeed Audible Warning Systemp. 1391
34.20.00 Attitude and Directionp. 1397
34.22.00 121 Aileron Servo Unitp. 1397
34.22.00 131 Rudder Servo Unitp. 1399
34.22.00 141 Elevator Servo Unitp. 1401
34.30.00 Landing and Taxiing Aidsp. 1403
34.31.00 672 ADF Suppressed Sense Aerialsp. 1403
34.31.00 673 ADF Susceptiformerp. 1404
34.32.00 672 VOR/LOC Suppressed Aerials & Balance Unitp. 1405
34.32.00 721 Glideslope Aerialp. 1407
35.00.00 Oxygenp. 1408
35.00.00 List of Effective Pagesp. 1411
35.00.00 Standard Oxygen Systemp. 1412
35.06.00 Oxygen Systemp. 1422
35.10.00 Crewp. 1432
35.10.00 12 Oxygen Cylinder Assembly (Mod. 251630)p. 1432
35.10.00 14 Oxygen Cylinder Assemblyp. 1434
Temporary Revision No. 35-1p. 1435
35.10.00 32 Contents Indicatorp. 1437
35.10.00 33 Contents Indicatorp. 1438
35.10.00 61 Master Supply Valvep. 1439
35.10.00 62 Master Supply Valvep. 1441
35.10.00 121 Demand Regulatorp. 1443
35.10.00 131 Quick Release Socketp. 1445
35.10.00 141 Automatic Shut-Off Valvep. 1446
35.20.00 Passengerp. 1449
35.20.00 12 Therapeatic Outletp. 1449
35.20.00 31 Duplex Drop-Out Mask Unitp. 1450
35.20.00 42 Baromatic Valvep. 1453
38.00.00 Water/Wastep. 1456
38.00.00 (Refer to Appropriate Agent or Equipment Manufacturer)p. 1456
49.00.00 Airborne Auxiliary Powerp. 1459
49.00.00 (Refer to Airesearch Aviation Company Maintenance Manual)p. 1459
51.00.00 Structures-Generalp. 1462
51.00.00 List of Effective Pagesp. 1464
51.00.00 Generalp. 1465
52.00.00 Doorsp. 1470
52.00.00 List of Effective Pagesp. 1472
52.01.00 Generalp. 1473
52.11.00 Entry Doorp. 1474
52.11.11 Tensator Motorp. 1488
52.20.00 Excape Hatchp. 1493
52.71.00 Door Warningp. 1497
53.00.00 Fuselagep. 1499
53.00.00 List of Effective Pagesp. 1501
53.00.00 Generalp. 1502
53.09.12 Drainagep. 1502
53.09.15 NACA Intake Duct Drainagep. 1503
53.40.01 Wing/Fuselage Fittingsp. 1504
53.50.00 Aerodynamic Fairingsp. 1507
53.50.13 Nose Conep. 1507
53.50.20 Canopy Blisterp. 1510
55.00.00 Stabilizersp. 1517
55.00.00 List of Effective Pagesp. 1519
55.00.00 Generalp. 1520
55.13.00 Horizontal Stabilizerp. 1521
55.32.00 Vertical Stabilizerp. 1526
55.50.00 Attach Fittingsp. 1529
55.50.12 Elevator Attach Fittingsp. 1529
55.50.21 Rudder Attach Fittingsp. 1530
56.00.00 Windowsp. 1531
56.00.00 List of Effective Pagesp. 1533
56.00.00 Generalp. 1534
56.10.00 Flight Compartmentp. 1539
56.10.11 Window Panel Ap. 1539
56.10.21 Window Panel Bp. 1545
56.10.31 Window Panel Cp. 1550
56.20.00 Cabinp. 1554
56.20.11 Passenger Compartment Windowsp. 1554
57.00.00 Wingsp. 1559
57.00.00 List of Effective Pagesp. 1561
57.00.00 Generalp. 1562
57.20.00 Wing to Fuselage Fairing Sealp. 1563
Volume 3 (Engine)p. 1565
Record of Revisionsp. 1567
Record of Temporary Revisionsp. 1570
Letter of Transmittal (Highlights of Changes)p. 1573
List of Effective Pagesp. 1596
70.00.00 Standard Practices (Refer to Chapter 70 of Allied Signalp. 1597
70.00.00 Light Maintenance Manual, Report No. 72-02-15)p. 1599
71.00.00 Power Plantp. 1600
71.00.00 List of Effective Pagesp. 1602
71.00.00 Generalp. 1604
71.00.00 Description and Operationp. 1604
71.00.00 Removal/Installationp. 1611
71.00.00 Engine Changep. 1611
71.00.00 Power Plant Changep. 1682
71.00.00 Adjustment/Testp. 1704
71.10.00 Cowlingsp. 1738
71.20.00 Engine Mountsp. 1768
71.70.00 Drainsp. 1773
72.00.00 Enginep. 1778
72.00.00 List of Effective Pagesp. 1780
72.00.00 General – Servicingp. 1781
72.00.01 Sub-Assemblies and Componentp. 1782
73.00.00 Engine Fuel and Controlp. 1797
73.00.00 List of Effective Pagesp. 1800
73.00.00 Generalp. 1801
73.20.00 Controllingp. 1810
73.20.11 Electronic Computerp. 1810
73.20.21 PT2 Drainsp. 1811
73.22.11 Engine Synchronizerp. 1813
73.23.00 Automatic Performance Reserve (APR) Systemp. 1816
73.23.11 APR Controllerp. 1821
73.23.21 APR Event Counterp. 1823
73.23.31 APR Throttle-Actuated Microswitchp. 1824
73.30.00 Indicatingp. 1827
73.31.00 Engine Fuel Flow Indicating Systemp. 1829
73.31.11 Flowmeter Transmitterp. 1830
73.31.21 System Signal Conditionerp. 1832
73.32.11 Fuel Low-Pressure Switchp. 1833
73.33.11 Fuel Overheat Warning Switchp. 1835
73.34.11 Fuel Filter (Blockage) Indicator Switchp. 1837
74.00.00 Ignitionp. 1838
74.00.00 List of Effective Pagesp. 1840
74.00.00 Generalp. 1841
74.30.00 Switchingp. 1844
74.30.11 Ignition Microswitchp. 1844
75.00.00 Airp. 1846
75.00.00 List of Effective Pagesp. 1848
75.00.00 Generalp. 1849
75.00.01 Air Sub-Assemblies and Componentsp. 1856
75.10.00 Engine Anti-Icingp. 1859
75.10.11 Nacelle Inlet Cowl Anti-Icing Servo on-off Valvep. 1859
75.40.00 Indicatingp. 1861
75.40.11 Nacelle Inlet Cowl Anti-Icing Pressure Switchesp. 1861
76.00.00 Engine Controlsp. 1862
76.00.00 List of Effective Pagesp. 1864
76.10.00 Power Controlp. 1865
76.10.01 Sub-Assemblies and Componentsp. 1879
76.10.05 Throttle Controls Teleflex Cablep. 1881
77.00.00 Engine Indicatingp. 1883
77.00.00 List of Effective Pagesp. 1885
77.00.00 Generalp. 1886
77.00.01 Engine Indicating Sub-Assemblies and Componentsp. 1891
77.20.00 Temperaturep. 1912
77.21.00 Inter Stage Turbine Temperature (ITT) Indicationp. 1912
79.00.00 Oilp. 1920
79.00.00 List of Effective Pagesp. 1922
79.00.00 Generalp. 1923
79.00.01 Sub-Assemblies and Componentsp. 1923
79.30.00 Indicatingp. 1925
79.31.11 Oil Temperature Bulbp. 1927
79.32.11 Oil Pressure Transmiterp. 1929
79.33.11 Oil Pressure Switchp. 1932
80.00.00 Startingp. 1934
80.00.00 List of Effective Pagesp. 1936
80.00.00 Generalp. 1937
80.00.00 (Pre-Mod.256989 and 256990)p. 1937
80.00.01 (Mod.256989 and 256990)p. 1949

Volume 3 – Engine (Chapter 70 through Chapter 80)

  • Chapter 70 – Standard Practices – Engine
  • Chapter 71 – Power Plant (description, removal/installation, adjustment/test, cowlings, mounts, drains)
  • Chapter 72 – Engine (servicing, sub-assemblies)
  • Chapter 73 – Engine Fuel and Control (electronic computer, synchronizer, APR, indicating)
  • Chapter 74 – Ignition (sub-assemblies, microswitch)
  • Chapter 75 – Air (anti-icing, servo valve, pressure switches)
  • Chapter 76 – Engine Controls (power controls, Teleflex cable lubrication)
  • Chapter 77 – Engine Indicating (ITT, N1, N2)
  • Chapter 79 – Oil (sub-assemblies, indicating)
  • Chapter 80 – Starting (general, troubleshooting, adjustment/test)

This manual provides detailed descriptive information, troubleshooting charts, removal/installation procedures, adjustment/test instructions, and servicing data for all major airframe and engine systems. It includes comprehensive wiring diagrams, hydraulic schematics, system illustrations, and step-by-step maintenance practices. Whether you are performing routine servicing, troubleshooting a system fault, or carrying out a major component replacement, this manual gives you the factory-authorized procedures and specifications.

Why Choose This Manual?

Owning the official Raytheon Aircraft Company maintenance manual for the DH 125 Series 400A ensures you have the correct, up-to-date data to maintain your aircraft safely and efficiently. With over 1,900 pages covering everything from the airframe to the Garrett TFE 731 engines, this PDF is an essential resource for maintenance engineers, owners, and operators. The manual includes all revisions up to June 2003, providing you with the latest information at the time of publication.

This is a digital download – no shipping costs, no waiting. You can view it on any device, print specific sections for the hangar, and search instantly for the information you need. Invest in the reliability and safety of your aircraft with the factory manual that the professionals use.

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