MD Helicopters MD Explorer Instructions for use

Rotorcraft
900 Series
Reissue No. 1: 24 December 1997
Revision No. 36: 17 March 2015
MD Helicopters Inc.
4555 East McDowell Road
Mesa, Arizona 85215−9734
Copyright E1999-2014 by MD Helicopters, Inc.
All rights reserved under the copyright laws.
MD Explorer®
(MDHI Model MD900®)
Rotorcraft Maintenance Manual
(CSP−900RMM−2)
SERVICING AND MAINTENANCE
Cover/Title Page

Rotorcraft
900 Series
MD Helicopters Inc.
4555 East McDowell Road
Mesa, Arizona 85215−9734
PROPRIETARY RIGHTS NOTICE
The technical data and information contained in this publication is the property of
and proprietary to MD Helicopters, Inc. and is not to be disclosed or reproduced in
whole or in part without the written consent of MD Helicopters, Inc.
RESTRICTED USE
MDHI provides this manual for use by owners, operators and maintainers of MDHI
products and authorized parts. Use by STC or PMA applicants or holders as
documentation to support their certificates is not an authorized use of this manual and
is prohibited. MDHI takes no responsibility for customer's use of parts manufactured
under an STC or PMA when this manual is used as documentation with the Federal
Aviation Administration to justify the STC or PMA. Use of unauthorized parts on
MDHI products will void the MDHI warranty offered to the customer on components
and may void the warranty on the helicopter.

Page CRi
MD HELICOPTER, INC.
TECHNICAL MANUAL RECOMMENDED CHANGE REPORT
This manual has been prepared and distributed by the Technical Publications Department and is
intended for use by personnel responsible for the maintenance of MDHI Helicopters. Periodic revision
of this manual will be made to incorporate the latest information. If, in the opinion of the reader, any
information has been omitted or requires clarification, please direct your comments to this office via
this form (or a duplicate). An endeavor will be made to include such information in future revisions.
MD Helicopters, Inc.
Bldg 615 M/S G048
4555 East McDowell Road
Mesa, AZ 85215−9734
Telephone: (480) 346−6465 / (800) 310−8539, Option 3
E−Mail: [email protected]
Online Orders: https://mdhelicopters.webprint.com/webprint/auth/login.jspa
Date:
Originator:
Address:
E−Mail:
Manual Title:
Chapter Title:
ATA Section Number:
Issue Date:
Revision No. and Date:
Page Number(s):
Paragraph Number(s):
Step Number(s):
Figure Number(s):
Table Number(s):
Remarks / Instructions:

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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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The highest revision number indicates pages changed, added or removed by the current change.
Date of original and change pages are:
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
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Rotorcraft Maintenance Manual
Page i
Revision 29
Contents
CSP−900RMM−2
Front Matter
Cover/Title Cover/Title Page
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CR Recommended Change Request
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TR Record of Temporary Revisions
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LOEP List of Effective Pages
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Aircraft General
Chapter 01 Introduction
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Chapter 04 Airworthiness Limitations
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Chapter 05 Continued Airworthiness Inspections
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Chapter 06 Dimensions and Areas
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Chapter 07 Lifting and Jacking
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Chapter 08 Leveling/Weight and Balance
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Chapter 09 Towing
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Chapter 10 Parking and Mooring
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Chapter 11 Placards and Markings
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Chapter 12 Servicing
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Chapter 18 Vibration and Noise Analysis
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Airframe Systems
Chapter 21 Environmental Control System
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Chapter 25 Equipment / Furnishings
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Chapter 26 Fire Protection
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Chapter 28 Fuel System
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Chapter 29 Hydraulic System
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Chapter 32 Landing Gear
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Structure
Chapter 52 Doors and Windows
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Chapter 53 Fuselage
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Chapter 62 Main Rotor
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Chapter 63 Transmission and Drive System
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Chapter 64 Anti−Torque Assembly
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Chapter 67 Flight Controls
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Powerplant
Chapter 71 Powerplant
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Chapter 75 Engine Bleed Air
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Chapter 76 Engine Controls
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Chapter 78 Engine Exhaust
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Chapter 79 Engine Oil
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CSP−900RMM−3
Electrical
Chapter 95 Indicators, Recording Systems, and Navigation
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Chapter 96 Electrical Power
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Chapter 97 Avionics
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Chapter 98 Wiring
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CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page ii
Revision 29 Contents
01 Introduction
01−00−00 Introduction
04 Airworthiness Limitations
04−00−00 Airworthiness Limitations
05 Continued Airworthiness Inspections
05−00−00 Continued Airworthiness
Inspections
05−10−00 Continued Airworthiness
Component Overhaul
05−20−00 Continued Airworthiness
Scheduled Inspection
05−50−00 Continued Airworthiness
Unscheduled Inspection
06 Dimensions and Areas
06−00−00 Dimensions and Areas
07 Lifting and Jacking
07−10−00 Lifting and Jacking
08 Leveling/Weight and Balance
08−10−00 Weighing and Balancing
08−20−00 Leveling
09 Towing
09−10−00 Towing
10 Parking and Mooring
10−10−00 Parking and Storage
10−20−00 Mooring
10−30−00 Return to Service
11 Placards and Markings
11−00−00 Placards and Markings
12 Servicing
12−00−00 Servicing
21 Environmental Control System
21−20−00 Vent System
21−40−00 Heat/Defog System
21−50−00 Air Conditioning System
25 Equipment/Furnishings
25−10−00 Crew Compartment Interior
25−20−00 Cabin Compartment Interior
25−50−00 Baggage Compartment Interior
Trim
25−55−00 Cargo Hook System
25−60−00 Emergency First Aid Kit
25−60−10 Rescue Hoist
25−70−00 Hinged Avionics Shelf
26 Fire Protection
26−10−10 Fire/Overheat, Bleed Air Leak
Detection (Heat/Defog) System
26−10−20 Deck and Engine Area
Fire/Overheat Detection System
26−20−10 Emergency Fire Extinguisher
(Hand Held)
26−20−20 Fire Extinguishing System
28 Fuel System
28−00−00 Fuel System
28−10−00 Supplemental Fuel System
29 Hydraulic System
29−00−00 Hydraulic System
32 Landing Gear
32−00−00 Landing Gear
32−40−00 Ground Handling Wheels
52 Doors and Windows
52−00−00 Doors and Windows
53 Fuselage
53−10−00 Windshields and Nose Area
53−20−00 Lower and Center Fuselage
53−30−00 Fuselage Upper Deck and Aft Area
53−40−00 Tailboom
53−55−00 Empennage
62 Main Rotor
62−00−00 Main Rotor System
62−10−00 Main Rotor Blade
62−20−00 Main Rotor Hub Assembly
62−30−00 Swashplate and Mixer

CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page iii
Revision 36
Contents
63 Transmission and Drive System
63−00−00 Rotor Drive System
63−10−00 Drive Shafts/Clutches/Couplings
63−20−00 Gearboxes
63−21−00 Transmission Lubrication and
Cooling System
63−22−00 Rotor Brake
63−30−00 Main Rotor Static Mast
64 Anti−Torque Assembly
64−30−00 NOTAR®Anti−Torque Fan System
64−30−01 NOTAR®Fan Assembly
64−30−02 NOTAR®Fan Support Assembly
64−30−03 NOTAR®Fan Pitch Assembly
67 Flight Controls
67−00−00 Flight Controls
67−10−00 Rotor Flight Controls
67−10−20 Collective Control Module / Cyclic
Grip
67−20−00 Anti−Torque / Directional Flight
Controls
71 Powerplant
71−00−00 Powerplant
71−20−00 Engine Mounts
71−60−00 Air Intake
71−70−00 Engine Drains
75 Engine Bleed Air
75−00−00 Engine Bleed Air
76 Engine Controls
76−00−00 Engine Controls
78 Engine Exhaust
78−00−00 Engine Exhaust
79 Engine Oil
79−00−00 Engine Oil

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page iv
Revision 19 Contents
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CSP−900RMM−2MD Helicopters, Inc.
Rotorcraft Maintenance Manual
INTRODUCTION
Chapter