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

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)

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)

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.