HANDBOOK OF MAINTENANCE INSTRUCTIONS FOR MDHI 369D/E/FF-500/600N HELICOPTERS (ISSUED: 1990)

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.

MD Helicopters, Inc.

4555 East McDowell Road

Mesa, Arizona 85215−9734

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:

(800) 310−8539

Technical Publications Order Desk: (480) 346−6372; FAX: (480) 346−6821

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Revision 37

1 and 2

Revision 22

204 thru 212

Revision 44

101 thru 103

Revision 22

Chapter 78

104

Revision 44

i and ii

Revision 35

401 thru 410

Revision 22

78−20−00

411

Revision 43

201 thru 203

Revision 38

412

Revision 22

204 thru 209

Revision 22

413 and 414

Revision 26

210

Revision 44

601 and 602

Revision 32

78−30−00

801 thru 804

Revision 22

201

Revision 38

901 thru 905

Revision 22

202 thru 204

Revision 35

906

Revision 44

Chapter 79

71−60−00

i and ii

Revision 23

201 thru 205

Revision 22

79−00−00

206

Revision 44

201 thru 212

Revision 23

Chapter 75

79−10−10

Revision 22

201 and 202

Revision 44

Revision 43

901 thru 903

Revision 23

75−10−00

904

Revision 44

201 thru 203

Revision 22

Chapter 91

204

Revision 37

i and ii

Revision 43

205 and 206

Revision 22

91−00−00

Chapter 76

Revision 23

Revision 44

Revision 34

ii thru iv

Revision 37

Revision 36

76−00−00

4 thru 6

Revision 41

1 and 2

Revision 22

Revision 44

101 and 102

Revision 22

8 thru 16

Revision 41

76−10−00

Revision 42

201 thru 209

Revision 22

18 thru 20

Revision 43

210 thru 213

Revision 44

21 and 22

Revision 41

Page K

LOEP

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MD Helicopters, Inc.

CSP-HMI-2

MAINTENANCE MANUAL

TABLE OF CONTENTS

CSP−HMI−2

Cover / Title Page

Technical Manual Recommended Change Report

Record of Temporary Revisions

List of Effective Pages

Introduction

Airworthiness Limitations

Continued Airworthiness Checks / Inspections

Dimensions and Areas

Lifting and Jacking

Leveling / Weight and Balance

Towing

Parking and Mooring

Placards and Markings

Servicing

Vibration and Noise Analysis

Standard Practices

Environmental Control System

Equipment / Furnishings

Fire Protection

Fuel System

Landing Gear

Doors

Fuselage

Main Rotor

Transmission and Drive System

Anti−Torque Assembly

Flight Controls

Power Plant

Engine Anti−Ice System

Engine Power Controls

Engine Exhaust System

Engine Oil Supply System

Charts

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NOTE: The following sections are applicable to the helicopter models denoted to the right of the

section.

Section

Title

369D

369E

369FF

500N

600N

INTRODUCTION

01−00−00 Introduction

AIRWORTHINESS LIMITATIONS

04−00−00 Airworthiness Limitations

04−00−01 Airworthiness Limitations Supplements

CONTINUED AIRWORTHINESS

05−00−00 Checks/Inspections

05−10−00 Component Overhaul/Recommended Replacement

05−20−00 100−Hour or Annual Inspection

05−20−10 300−Hour Inspection

05−20−15 Yearly Inspection

05−20−20 Special Inspections Hourly and Calendar

05−50−00 Conditional Inspections

DIMENSIONS AND AREAS

06−00−00 Dimensions and Areas

LIFTING AND JACKING

07−00−00 Lifting and Jacking

LEVELING / WEIGHT AND BALANCE

08−00−00 Leveling

08−10−00 Weight and Balance

TOWING

09−00−00 Towing

PARKING AND MOORING

10−10−00 Parking and Mooring

10−20−00 Storage

10−30−00 Blade Folding

PLACARDS AND MARKINGS

11−00−00 Placards and Markings

11−40−00 Placards and Markings (600N)

SERVICING

12−00−00 Helicopter Servicing

VIBRATION AND NOISE ANALYSIS

18−10−00 Main Rotor Track and Balance

18−10−60 Main Rotor Track and Balance (600N)

18−20−00 Tail Rotor Balance

18−20−30 Notarr Anti−Torque System Fan Balance

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MAINTENANCE MANUAL

Section

Title

369D

369E

369FF

500N

600N

STANDARD PRACTICES

20−10−00 Torque

20−20−00 Cleaning

20−30−00 Painting

20−40−00 Corrosion Prevention

20−90−00 Nondestructive Inspection

ENVIRONMENTAL CONTROL SYSTEM

21−10−00 Ventilation Systems

21−40−00 Heating System

EQUIPMENT / FURNISHINGS

25−00−00 Equipment/Furnishings

25−10−00 Upholstered Seats

25−15−00 Mesh Seats

25−20−00 Seat Belts/Inertia Reel

25−21−00 Seating/Belts (Four on the Floor)

25−30−00 Interior Trim

25−40−00 Miscellaneous Furnishings

25−50−00 Cargo Hook

25−60−00 Emergency First Aid Kit

25−63−00 Hoist Passenger/Cargo

FIRE PROTECTION

26−10−00 Engine Fire Detection System

26−20−00 Fire Extinguisher

FUEL SYSTEM

28−00−00 Fuel System (369D/E/FF − 500N)

28−00−60 Fuel System (600N)

28−25−00 Anti−Ice / Airframe Fuel Filter (369D/E − 500/600N)

LANDING GEAR

32−10−00 Landing Gear System (369D/E/FF − 500N)

32−10−60 Landing Gear System (600N)

32−40−00 Ground Handling Wheels (369D/E/FF − 500N)

32−40−60 Ground Handling Wheels (600N)

32−81−00 Utility Float System (369D/E)

32−82−00 Emergency Float System (369D/E/FF − 500N)

DOORS

52−10−00 Crew, Passenger, Cargo Doors and Windows

52−40−00 Engine Access Doors

52−50−00 Miscellaneous Access Doors

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MAINTENANCE MANUAL

Section

Title

369D

369E

369FF

500N

600N

FUSELAGE

53−00−00 Fuselage

53−10−00 Windshields and Aft Section Windows

53−20−00 Lower Center Fuselage

53−30−00 Upper Aft Section Fuselage (369D/E/FF)

53−30−30 Upper Aft Section Fuselage (500/600N)

53−40−00 Tailboom (369D/E/FF)

53−40−30 Tailboom (500/600N)

53−50−10 Stabilizer (T−Tail) (369D/E/FF)

53−50−30 Stabilizer (500/600N)

MAIN ROTOR

62−00−00 Main Rotor (369D/E/FF − 500/600N)

62−10−00 Main Rotor Blade (369D/E/FF − 500/600N)

62−20−00 Main Rotor Hub (369D/E/FF − 500N)

62−20−60 Main Rotor Hub (600N)

62−30−00 Swashplate and Mixer (369D/E/FF − 500N)

62−30−60 Swashplate and Mixer (600N)

TRANSMISSION AND DRIVE SYSTEM

63−00−00 Transmission and Drive System (369D/E/FF − 500/600N)

63−10−00 Drive Shafts / Clutches / Couplings (369D/E/FF − 500/600N) . . X

63−15−10 Tail Rotor Drive Shaft (369D/E/FF)

63−15−30 NOTARr Anti−Torque System Drive Shafts (500/600N)

63−20−00 369D25100 Main Transmission (369D/E/FF − 500N)

63−20−25 369F5100 Main Transmission (369D/E/FF − 500/600N)

63−21−00 Main Transmission Lubrication and Cooling System

(369D/E/FF − 500/600N)

63−22−00 Rotor Brake (369D/E/FF − 500/600N)

63−25−10 Tail Rotor Transmission (Two and Four Blade) (369D/E/FF)

63−25−30 NOTARr Anti−Torque Fan Transmission (500/600N)

63−30−00 Main Rotor Static Mast (369D/E/FF − 500/600N)

ANTI-TORQUE ASSEMBLY

64−00−00 Anti−Torque Assembly (369D/E/FF − 500/600N)

64−00−05 Four−Bladed Tail Rotor Assembly Initial Installation (369D/E) . . X

64−10−00 Tail Rotor Blades (369D/E/FF)

64−20−00 Tail Rotor Hub and Fork (369D/E/FF)

64−25−30 Anti−Torque Fan (500/600N)

64−30−00 Tail Rotor Pitch Control Assembly (369D/E/FF)

FLIGHT CONTROLS

67−00−00 Flight Controls (369D/E/FF − 500/600N)

67−10−00 Main Rotor Flight Controls (369D/E/FF − 500/600N)

67−10−20 Collective and Cyclic Stick Grips (369D/E/FF − 500/600N)

67−20−10 Anti−Torque Flight Controls (Two and Four Blade)

(369D/E/FF)

67−20−30 NOTARr Anti−Torque System Flight Controls (500/600N)

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Section

Title

369D

369E

369FF

500N

600N

POWER PLANT

71−00−00 Power Plant (250−C20)

71−00−30 Power Plant (250−C30)

71−00−47 Power Plant (250−C47)

71−10−00 Engine Air Intake System (369D/E/FF − 500/600N)

71−10−05 Engine Compressor Water Wash Kit (369D/E/FF −

500/600N)

71−10−10 Engine Air Particle Separator (369D/E/FF − 500N)

71−10−60 Engine Air Particle Separator (600N)

71−20−00 Engine Mounts (250−C20B, 250−C20R/2, 250−C30

and 250−C47)

71−30−00 Engine Ignition Control System (250−C20B, 250−C20R/2

and 250−C30)

71−60−00 Engine Cooling System (250−C20B, 250−C20R/2, 250−C30

and 250−C47)

ENGINE ANTI-ICE SYSTEM

75−10−00 Engine Anti−Icing System (250−C20B, 250−C20R/2,

250−C30 and 250−C47)

ENGINE POWER CONTROLS

76−00−00 Engine Power Controls (250−C20B, 250−C20R/2

and 250−C30)

76−10−00 Power Turbine Governor Controls (250−C20B, 250−C20R/2

and 250−C30)

76−20−00 Gas Producer Controls (250−C20B, 250−C20R/2 and

250−C30)

76−47−00 Engine Power Controls (250−C47)

ENGINE EXHAUST SYSTEM

78−20−00 Engine Exhaust System (250−C20B and 250−C20R/2)

78−30−00 Engine Exhaust System (250−C30 and 250−C47)

ENGINE OIL SUPPLY SYSTEM

79−00−00 Engine Oil Supply System

79−10−10 Engine Scavenge Oil Filter

CHARTS

91−00−00 Charts

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MAINTENANCE MANUAL

TABLE OF CONTENTS

Para/Figure/Table

Title

Page

01-00-00 Introduction

Description and Operation

1. Proprietary Rights

2. Introduction

369D/E/FF - 500/600N Helicopter Description

Figure 1. Helicopter - Major Components (Sheet 1 of 3)

4. Scope

5. ATA Numbering System and Format

Figure 2. ATA Numbering System

6. Division of Subject Matter

7. Page Number Blocks

8. Figure and Table Numbering

9. Associated MDHI Manuals

A. Illustrated Parts Catalog

B. Component Overhaul Manual (Overhaul Data)

C. Structural Repair Manual

10. Engine Data

11. MDHI Publications Changes and Revisions

A. Revision

B. Reprint

C. Service Information Notices and Letters

12. Application of Warnings, Cautions and Notes

13. Service and Operations Report Form 1601

Maintenance Practices

201

1. Maintenance and Operational Check Requirements and Precautions

201

A. Pilot's or Rotorcraft Flight Manual

201

B. Operational Checks

201

2. Inspections

201

3. Maintenance Information Requests

201

4. Related Publications

201

5. Optional Equipment

201

Table 201. Related Publications and Directives

202

Table 202. Optional Equipment List

209

Page i

01 Contents

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CSP-HMI-2

MAINTENANCE MANUAL

INTRODUCTION

DESCRIPTION AND OPERATION

1. Proprietary Rights

permits the main rotor to freewheel for

autorotational descent.

MD Helicopters, Inc. proprietary rights are

included in the information disclosed herein.

The fuselage is a semi-monocoque construc

Recipient, by accepting this document, agrees

tion divided into three sections. The structure

that neither this document nor any part

consists of a central framework, a mast

thereof shall be reproduced or transferred to

support structure, two bulkheads and a center

other documents or used or disclosed to others

beam. The forward section includes the crew

for manufacturing or any other purpose,

and cargo or passenger compartment. The

except as specifically authorized in writing by

crew compartment is equipped with seats for

MD Helicopters, Inc. All rights are reserved

the pilot and either one or two passengers. The

under the copyright laws by MD Helicopters,

crew compartment left seat is the pilot's seat

Inc.

(LH command position) except in a RH

command configuration helicopter. The cargo

compartment is behind the crew compartment

2. Introduction

and contains provisions for bench-type or

folding passenger seats. Passenger seats may

All helicopters described in this manual are

be folded out of the way or completely removed

manufactured by MD Helicopters Inc. (MDHI),

to accommodate cargo. The aft section houses

Mesa, Arizona. The design features and

the engine and includes structure for tailboom

performance characteristics of all helicopters

attachment and in the case of the 500/600N,

are essentially the same. The main differences

the fan assembly and fan transmission for the

between helicopters are the type and arrange

NOTARR anti-torque system. The lower

ment of interior furnishings and equipment,

section is divided by a center beam and

the pilot's flight control position, engine power,

provides two bays containing two fuel cells

anti-torque system and a variety of optional

that make up the fuel tank.

equipment.

The 369D/E/FF tailboom is a monocoque

369D/E/FF − 500/600N Helicopter

structure of aluminum alloy frames and skin.

Description

The tailboom is the supporting structure for

the vertical and horizontal stabilizers, tail

NOTE: Throughout this manual, references to

rotor transmission and tail rotor. The tailboom

the 369FF model helicopters also includes

also houses the tail rotor transmission drive

the 369F model helicopters, unless other

shaft and tail rotor blade-angle control rod.

wise stated.

The 500/600N tailboom assembly is a fully

(Ref. Figure 1) The Model 369D/E/FF -

monocoque construction of carbon fiber

500/600N helicopters are turbine-powered,

composites. The tailboom is the supporting

rotary-wing aircraft constructed primarily of

structure for the stator assembly, horizontal

aluminum alloy. The main rotor system for the

stabilizer, two thruster assemblies and control

369D/E/FF - 500N helicopter is five-bladed

cable assembly.

and fully-articulated. The main rotor system

for the 600N helicopter is six-bladed and

The main rotor group consists of five or six

fully-articulated. The anti-torque system may

main rotor blades, a fully-articulated main

be two bladed, an optional four-bladed

rotor hub with offset flapping hinges, a

installation or a NOTARR anti-torque system.

scissors assembly, and a swashplate and

Engine output is delivered to the main and

associated mixer control mechanisms. The

anti-torque system by drive shafts and two

main rotor blades are secured to the rotor hub

transmissions. A one-way overrunning clutch

with standard hardware and quick-release

between the engine and main transmission

pins.

Page 1

01-00-00

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MAINTENANCE MANUAL

The fixed skid landing gear is attached to the

handbooks and other published documents by

fuselage at 12 points. Fairings cover the struts

their titles and/or identifying numbers. These

from the fuselage to the skids. Nitrogen-

documents are the primary servicing, mainte

charged dampers between the struts and

nance and repair information file for vendor-

structure cushion landing loads.

supplied helicopter components.

4. Scope

5. ATA Numbering System and Format

MDHI maintenance manuals provide system

descriptions, servicing and maintenance

This MDHI Maintenance Manual and asso

procedures, periodic and special inspections,

ciated MDHI manuals are prepared in general

overhaul schedules, limited life component

compliance with Air Transport Association

replacement schedules, and weight and

Specification for Manufacturers Technical

balance calculations.

Data (ATA-100).

This manual is one of a group of publications

The uniform numbering system established by

that form the information file for the helicop

ATA-100 is used. This numbering system

ter. The maintenance and inspection proce

provides a means for dividing material into

dures are to be used for the 369D/E/FF -

Chapter, Section, Subject and Page. The

500/600N helicopters only. Study the contents

number is composed of three elements, which

to gain an understanding of the arrangement

consist of two digits each (Ref. Figure 2). The

and use of this and associated manuals before

chapter and section elements (sub-assembly

working on the aircraft.

10, 20, 30, etc.) are assigned by ATA-100.

Table 201, Related Publications and Direc

Subject/Unit element numbers are assigned by

tives, lists vendor/supplier manuals, catalogs,

MDHI.

2ND ELEMENT

1ST ELEMENT

3RD ELEMENT

CHAPTER/SYSTEM LANDING GEAR

SUBJECT/UNIT LANDING

SYSTEM

GEAR

SECTION/SUB-ASSEMBLY LANDING GEAR

Figure 2. ATA Numbering System

Page 5

01-00-00

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MAINTENANCE MANUAL

6. Division of Subject Matter

8. Figure and Table Numbering

Illustrations and tables use the same number

This Maintenance Manual is contained in two

ing as the page block in which they appear. For

books.

example, Figure 202 would be the second

CSP-HMI-2 contains general mechanical

figure in a Maintenance Practices section.

maintenance data.

When referring to a figure or table within the

same section, it is referenced as follows; (Ref.

CSP-HMI-3 contains maintenance data on

Figure 202). When referring to a figure or

instruments, electrical and avionics.

table within another section, it is referenced as

follows; (Ref. Table 1, 91-00-00).

7. Page Number Blocks

9. Associated MDHI Manuals

Page number blocks used for each Section in

Information beyond the scope of the Mainte

the Maintenance Manual logically arrange the

nance Manual may be found in these basic

material as follows:

associated manuals which are prepared as

NOTE:

separate publications but should always be

kept and used with this manual:

D Maintenance Practices consists of either a

brief subtopic or a combination of the fol

CSP-IPC-4, Illustrated Parts Catalog.

lowing subtopics: Servicing, Removal/Ins

CSP-COM-5, Component Overhaul Manual.

tallation, Adjustment/Test, Inspection/

Check, Cleaning/Painting and Approved

CSP-SRM-6, Structural Repair Manual.

Repairs. Two methods are used for num

A. Illustrated Parts Catalog

bering maintenance practices page

blocks:

(CSP-IPC-4) Illustrated Parts Catalog for

Models 369D/E/FF - 500/600N

D If a single subtopic or all subtopics under

(CSP-D-7) Illustrated Structures Catalog for

Maintenance Practices are brief, they are

Model 369D and

combined into one topic. All such topics

(CSP-ISC-7) Illustrated Structures Catalog

are numbered within page number block

for Models 369E/FF - 500N provide, with text

201 - 300.

and illustrations, a complete definition of all

D If individual subtopics become so lengthy

repair parts and spare items available for the

that a combination would require numer

helicopter. Use the (IPC) only for the purpose

ous pages, each topic is broken out. Page

of parts procurement.

number blocks accordingly are as follows:

B. Component Overhaul Manual (Overhaul

Description and Operation

Data)

The COM contains overhaul instructions for

Fault Isolation

101

major components such as the main transmis

Maintenance Practices

201

sion, tail rotor transmission, overrunning

clutch, etc. When components must be

Servicing

301

removed from service for overhaul, refer to the

COM and/or contact the appropriate manufac

Removal/Installation

401

turer or their field service representative for

desired publication information (Ref. Table

Adjustment/Test

501

201).

Inspection/Check

601

C. Structural Repair Manual

Cleaning/Painting

701

The CSP-SRM-6, SRM contains illustrated

helicopter structural maintenance and repair

Repairs

801

information.

Initial Installation

901

10. Engine Data

Each page bears an effective date, either that

The Model 250 Series gas turbine engines are

of original issue or of the latest revision.

manufactured by the Allison Engine Company

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CSP-HMI-2

MAINTENANCE MANUAL

Inc.. Refer to the applicable Allison Engine

(b).

Blue Border Notices: The blue border

Repair and Maintenance Manual and the

notices are not mandatory and can be

Illustrated Parts Catalog supplied with the

accomplished at the owner/operator's

engine for specific engine maintenance

discretion. When instructed, these

information (Ref. Table 201, Related Publica

notices may require a record of

tions and Directives). Fault isolation and

accomplishment. These notices deal

maintenance procedures for the helicopter/en

with non-critical or optional items

gine interface systems are in divisions

only.

specified by the index.

(c).

Service Bulletins: The Service

Bulletin deal with critical items that

11. MDHI Publications Changes and

must be corrected. These bulletins

Revisions

are mandatory and require a record

of accomplishment. They may be

Changes in the helicopter, equipment, mainte

re-occurring (flight-time or calendar)

nance practices, procedures and additional

or one-time only bulletins. The

information developed by experience affect

service bulletin replaces the red

manual content. To ensure that MDHI

border notice.

manuals continue to reflect current changes,

(d).

Technical Bulletin: The Technical

revised information is provided by one or more

Bulletins are not mandatory and can

of the following communications:

be accomplished at the owner/opera

tor's discretion. When instructed,

A. Revision

these bulletins may require a record

of accomplishment. These bulletins

Alteration of portions of the manual by the

deal with non-critical or optional

replacement, addition and/or deletion of pages

items only. the technical bulletin

is accomplished by revision. The List of

replaces the blue border notice.

Effective pages (LOEP) that accompany each

revision identifies all affected pages. Such

(e).

For a complete listing and explana

pages should be removed from the manual and

tion of current and cancelled notices,

destroyed. Added or replaced pages should be

refer to Service Information Notices

inserted and checked against the LOEP.

Index.

(2). Service Information Letters are strictly

B. Reprint

information only. They may inform the

owner/operator of options available,

When large numbers of changes are involved,

up-coming notices, bulletins, warranty/

the manual is reprinted to include all prior

repair changes, etc.

revisions.

12. Application of Warnings, Cautions and

C. Service Information Notices and Letters

Notes

Throughout this manual, and associated

Service information is to be considered as part

manuals, Warnings, Cautions and Notes are

of the manual.

used to emphasize instructions or information

considered to be unusual or critical.

(1). Service Information Notices and

Bulletins are broken into two categories

WARNING and CAUTION statements are

as follows:

always placed before the information or

instructions to which they apply.

(a). Red Border Notices: The red border

A NOTE may appear in the text either before

notices deal with critical items that

or after instructions to which it applies,

must be corrected. These notices are

depending on the relative significance of the

mandatory and require a record of

information.

accomplishment. They may be

re-occurring (flight-time or calendar)

The conditions that warrant use of Warnings,

or one-time only notices.

Cautions and Notes are defined as follows:

Page 7

01-00-00

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MAINTENANCE MANUAL

Operating procedures and

13. Service and Operations Report Form 1601

WARNING

practices which, if not strict

MDHI Service and Operations Report Form

ly observed, may result in personal in

1601 may be used to report to MD Helicopters,

jury, or loss of life.

Inc. in detail any service difficulties encoun

tered with any MDHI helicopter. Use of the

Operating procedures and prac

form is encouraged and recommended to

CAUTION

tices which, if not strictly ob

enable MDHI to provide owners and operators

served, may result in damage to or destruc

improved service, support and product

tion of equipment.

improvements. The form also serves as a

convenient detailed record for owners and

NOTE: An operating procedure or condition

operators. Copies of the form may be procured

that is essential to highlight.

by contacting the Product Support Dept.

Page 8

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CSP-HMI-2

MAINTENANCE MANUAL

INTRODUCTION

MAINTENANCE PRACTICES

1. Maintenance and Operational Check

Replace components that exhibit damage or

Requirements and Precautions

wear beyond tolerances, or that negatively

affect the proper function or integrity of an

All helicopter maintenance is to comply with

assembly.

the following requirements and precautions.

3. Maintenance Information Requests

A. Pilot’s or Rotorcraft Flight Manual

Maintenance checks requiring helicopter

Address all questions regarding 369D/E/FF -

operation must be performed in accordance

500/600N helicopter maintenance to the MDHI

with requirements and limitations specified in

Field Service Representative assigned to the

the applicable MDHI Flight Manual (PFM or

geographical area in which the helicopter is

RFM) and all applicable Optional Equipment

being operated. Should there be no factory

Supplements.

representative in the area, contact Product

Support Dept., Technical Publications, Mesa,

B. Operational Checks

Arizona. If the item in question is vendor

supplied; i.e., engine, engine fuel control and

After maintenance, modification, disassembly,

governor, starter-generator, fuel cells, etc.,

re-assembly, replacement, cleaning, repair or

contact the manufacturer directly to get

installation; the affected parts, assemblies,

definitive answers to your questions (Ref.

installations or systems shall be inspected and

Table 201. Related Publications and Direc

an operational check will be performed prior to

tives, which lists component manufacturers,

releasing the helicopter for flight (Ref.

suppliers and their addresses).

Maintenance Information Requests).

2. Inspections

4. Related Publications

Inspections specified in this manual are visual

Publications and directives that form part of

inspections for cracks, corrosion, distortion,

the information file for helicopter component

security and other obvious defects or damage.

maintenance are listed in Table 201. Related

Publications and Directives.

Visual inspections of fuel and oil system hoses,

tubes and fittings include checks for corrosion,

5. Optional Equipment

leakage and distortion.

Specific inspection requirements, procedures

All optional equipment available for and

and wear tolerances may be provided in the

usable on commercial model helicopters is

division text. Where inspection requirements

listed in Table 202 Optional Equipment.

are not listed, inspections should be made per

Contact MDHI for compatibility of mixing

Sections 05-10-00 thru 05-50-00.

options.

Page 201

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MAINTENANCE MANUAL

Table 201. Related Publications and Directives

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

General Information

Superintendent of Documents

Acceptable Methods, Techniques and

FAA AC No. 43.13−1A (1)

U.S. Government Printing Office

Practices − Aircraft Inspection and

Division of Public Documents

Repair (GPO Catalog No. TD

Washington, D.C. 20402

4−28/2:972)

Advisory Circular − Corrosion Control for

FAA AC No. 43−4 (1)

Aircraft

IHS Aviation & Aerospace

Nondestructive Testing Personnel

NAS−410

15 Inverness Way East

Qualification and Certification

Englewood CO 80112

United States

Nondestructive Testing Personnel

ASNT−SNT−TC−1A

Qualification and Certification

Standard Terminology for

ASTM E 1316

Non−destructive Examinations

Aerospace Industries Association of

National Aerospace Standard

NAS No. as applicable

America, Inc.

(Title as applicable)

1725 De Sales Street, N.W.

Washington, 6, D.C.

Page 202

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CSP-HMI-2

MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

MDHI Publications

MD Helicopters Inc.

369D Pilot’s Flight Manual (with

CSP−D−1 (1)

M615−G048

applicable Equipment Supplements)

4555 E. McDowell Rd.

369E Pilot’s Flight Manual (with

CSP−E−1 (1)

Mesa, AZ 85215−9734

applicable Equipment Supplements)

Technical Publications Order Desk:

(480) 346−6373 or (800) 388−3378

369FF Pilot’s Flight Manual (with

CSP−FF−1 (1)

FAX: (480) 346−6809

applicable Equipment Supplements)

500N Pilot’s Flight Manual (with

CSP−520N−1 (1)

applicable Equipment Supplements)

600N Pilot’s Flight Manual (with

CSP−600NRFM−1 (1)

applicable Equipment Supplements)

Illustrated Parts Catalog (IPC), Model

CSP−IPC−4 (1)

369D/E/F − 500/600N

Basic Handbook of Maintenance

CSP−HMI−2 (1)

Instructions (HMI−2) Servicing and

Maintenance, Model 369D/E/F −

500/600N

Basic Handbook of Maintenance

CSP−HMI−3 (1)

Instructions (HMI−3) Instruments−Elec-

trical−Avionics, Model 369D/E/F −

500/600N

Component Overhaul Manual (COM),

CSP−DEF−5 (1)

Model 369D/E/F − 500/600N

Structural Repair Manual (SRM), Model

CSP−DEF−6 (1)

369D/E/F − 500N

Illustrated Structures Catalog (ISC),

CSP−D−7 (1)

Model 369D

Illustrated Structures Catalog (ISC),

CSP−ICS−7 (1)

Model 369D/E/FF − 500N

Corrosion Control Manual

CSP−A−4

Battery

Marathon Battery Company

Marathon Battery Instruction Manual

BA−89

Cold Spring, NY 10516

(REV 2−71)

Phone: (817) 776−0650

(formerly Sonotone)

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MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

Engine

Rolls−Royce Corporation

Operation and Maintenance Manual,

10W2 (1)

P.O. BOX 420

Turboshaft Engine Model 250−C20,

Indianapolis, IN 46206 USA

−C20B

Phone: 317−230−3774

Overhaul Manual, Turboshaft Engine

10W3 (1)

Fax: 317−230−6084

Model 250−C20, −C20B

email: indy.pubs.services@rolls−

Illustrated Parts Catalog, Turboshaft

10W4 (1)

royce.com

Engine Model 250−C20, −C20B

Installation Bulletin, Three Cubic Inch

1005 (1)

Accumulator for 250−C20 Bendix Fuel

System

Operation and Maintenance Manual,

GTP−5232−2 (1)

Turboshaft Engine Model 250−C20R/2

Overhaul Manual, Turboshaft Engine

GTP−5232−3 (1)

Model 250−C20R/2

Illustrated Parts Catalog, Turboshaft

GTP−5232−4 (1)

Engine Model 250−C20R/2

Operation and Maintenance Manual,

14W2 (1)

Turboshaft Engine Model 250−C30

Overhaul Manual, Turboshaft Engine

14W3 (1)

Model 250−C30

Illustrated Parts Catalog, Turboshaft

14W4 (1)

Engine Model 250−C30

Operation and Maintenance Manual,

CSP 21004 (1)

Turboshaft Engine Model 250−C47M

Overhaul Manual, Turboshaft Engine

CSP 22004 (1)

Model 250−C47M

Illustrated Parts Catalog, Turboshaft

CSP 23001 (1)

Engine Model 250−C47M

Starter−Generator

Aircraft Parts Corporation

Brush Seating − APC Brushes in High

SB150SG105

160 Finn Court

Speed Starter Generators: MDHI Part

Farmingdale, NY 11735

Nos. 369A4550 and 369D28550

Phone: (516) 249−3053

Overhaul Manual With Illustrated Parts

TM 101

Datafax: (516) 249−2577

Breakdown

TRW Aeronautical Systems

Overhaul Instructions with Parts

Call or write

Lucas Aerospace

Breakdown, Models 23032−010,

30 Van Nostrand Ave.

23032−011, 23032−020, 23032−022,

Englewood, NJ 07631−4396

23032−028, 23081−001

Phone: (201) 541−3250

Datafax: (201) 894−1965

Fargo Manufacturing Co.

Starter/Generator Cooling System

STC No. SH907GL

2750 North Elston Ave.

Supplemental Type Certificate

Chicago, Illinois 606447

Page 204

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CSP-HMI-2

MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

Avionics Equipment

VHF/COMM Transceiver

AVC−110 VHF Communications

IB8029004

RCA Aviation Equipment Dept.

Transceiver Instruction Manual

11819 W. Olympic Blvd.

Los Angeles, CA 90064

VHF/NAV Receiver

AVN−210 Series Integrated Navigation

IB96460

RCA Aviation Equipment Dept.

Systems

University Sound of LTV Ling Altec, Inc.

Operators Manual, SA−250 and SA−500

Oklahoma City, OK

High Power Sound and Siren Systems

Operators Manual, Model 500 Super

High Power Solid−State Amplifier and

Model RMC−1 Remote Control

Automatic Direction Finder

KR 85 Automatic Direction Finder

006−0043−00

King Radio Corp.

Installation Manual (has repair/overhaul

400 North Rogers Road

information)

Olathe, KS

KR 86 Automatic Direction Finder

006−5084−00

Maintenance/Overhaul Manual

KR 87 Automatic Direction Finder

006−5184−00

Maintenance/Overhaul Manual

NAV/COMM Receiver

KX 155 NAV COMM Receiver

006−5179−00

King Radio Corp.

Maintenance/Overhaul Manual

NAV/COMM Transceiver and COMM

KX 170A/B − KX 175B NAV/COMM

006−5053−00

Transceiver

Transceiver and KY 195B

King Radio Corp.

Communications Transceiver

Maintenance/Overhaul Manual

COMM Transceiver

KY 196 VHF COMM Transceiver

006−5169−00

King Radio Corp.

Maintenance/Overhaul Manual

Transponder

KT 76A Transponder Maintenance/Ov-

006−5143−00

King Radio Corp.

erhaul Manual

VOR Indicator

KI 201C VOR Indicator Maintenance/

006−5052−00

King Radio Corp.

Overhaul Manual

KI 208 VOR Indicator Maintenance/Ov-

006−5137−00

erhaul Manual

Audio Control Panel

KMA 24H−70/71 Audio Selector Panel

006−5586−00

King Radio Corp.

and Interphone System Maintenance/

Overhaul Manual

Page 205

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MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

Automatic Direction Finder System

ADF−60 Automatic Direction Finder

523−0766184−00611A

Collins General Aviation Division

System Instruction Book

Avionics Group

CTL−X2 Controls and CAD−62 Control

523−0772494−00111A

Rockwell International Corp.

Adaptor Instruction Book

Cedar Rapids, Iowa 52498

Collins Pro Line II Com/Nav/Pulse

523−0772719−00211A

System Instruction Book

ALT−55 Radio Altimeter System

523−0766793

Collins General Aviation Division

Instruction Book (Repair Manual

Publication Dept. 124−212

400 Collins Rd. NE

Cedar Rapids, Iowa 52498

Automatic Direction Finder System

ADF−650/650A Automatic Direction

523−0766207−00411A

Collins General Aviation Division

Finder System − RCR−650/650A

Receiver, ANT−650 Antenna,

IND−650/650A Indicator and ADA−650

ADF to RMI Adaptor Instruction Book

COMM Transceiver

VHF−22B VHF COMM Transceiver

523−0771854−00311A

Collins General Aviation Division

Instruction Book

VHF−251 Communications Transceiver

523−0766029−00511A

and PWC−150 Power Convertor

Instruction Book

NAV Receiver

VIR−351 Navigation Receiver, IND−350

523−0766030−00511A

Collins General Aviation Division

Indicator, and PWC−150 Power

Convertor Instruction Book

Transponder

TDR−950 Transponder Instruction Book

523−0766464−00311A

Collins General Aviation Division

VHF AM/FM AN/ARC−186(V)

Collins VHF−186 Transceiver Instruction

523−0770251−00111A

Collins Government Avionics Division

Book

Avionics & Missiles Group

Rockwell International

Cedar Rapids, Iowa

52406

ICS Control Panel (C−6533/ARC)

A301−1 Communication Control

C46−5020 027

Andrea Radio Corp.

Technical Manual − Installation,

11−40 45 Road

Operation and Maintenance

Long Island City, NY 11101

COMM Transceiver

ASB−125, ASB−60 SSB

99655

Sunair Electronics, Inc.

Communications Equipment

3101 S.W. Third Avenue

Maintenance Manual

Fort Lauderdale, FL 33315

Page 206

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CSP-HMI-2

MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

Spilsbury & Tindall, Ltd.

Instruction Manual, ‘‘Stringer’’ Model

65−018

120 E. Cordova Street

AC−21 Mobile Antenna System

Vancouver 4, B.C. Canada

Fuel Cells

Uniroyal, Inc.

Recommended Handling, Storage and

FC−1473−73

Engineered Systems Department

Repair Procedures For Non−Self−Seal-

Mishawaka, Indiana 46544

ing Flexible Fuel, Oil And Water Alcohol

Phone: (219) 255−2181

Cells

Repair Procedure For Self−Sealing Fuel

RK−10−34

Cells

Engineered Fabrics Corp.

Maintenance and Repair Manual,

AP 368

Formerly: Loral Systems Group

VITHANE\R Fuel Tanks,

669 Goodyear Street

July 1988, ATA 28−10−13

Rockmart, GA 30153−2417

Quick Cure Repair for Engineered

AP 472

Phone: (404) 684−7855

Fabrics Corp. Fuel Tanks of VITHANE\R

Construction,

March 1988, ATA 28−10−15

Repair & Maintenance Manual, Bladder,

AP 430

Self Sealing, & Non−Self−Sealing

Tanks, ARM Type Constructions,

April 1987, ATA 28−10−16

Repair & Maintenance Manual, Bladder

AP 258−4

Fuel Tanks,

Nitrile Type Constructions,

June 1988, ATA 28−10−1

Naval Publications & Forms

Military Standard Inspection &

MIL−STD−801A

Acceptance Standards For Propulsion

East:

Fluid Cells & Fittings

5801 Tabor Avenue

Philadelphia, PA 19120

Phone: (215) 697−2179

Datafax: (215) 697−5914

West:

Bookstore No. 10

ARCO Plaza, Level C

505 S. Flower Street

Los Angeles, CA 90071

Phone: (213) 894−5841

NOTE: Naval Publications personnel do not accept telephone orders. You must mail or FAX your written

request. There is no charge for the material.

Page 207

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MD Helicopters, Inc.

MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

Hoist Equipment

Hoist Winch Assembly

BL−16600−12 Series 300 Pound

HB−136

Breeze Corporations, Inc.

Capacity Hoist Operating Instructions

700 Liberty Avenue

BL−16600−40 Series Hoist Operating

Union, NJ 07083

Instructions

Use and Maintenance of Aircraft Hoist

Cable

Maintenance and Test Equipment

Model 177M−6 Balancer

Chadwick−Helmuth Operation and

Call or write

Model 8350 Balancer

Service Instruction Handbooks are

Model 192A Balancer

normally supplied with the equipment.

Model 8500 Balancer

Model 135M−11 Strobex Blade Tracker

Model 135M−12 Strobex Blade Tracker −

must be used with Model 8500 Balancer

Chadwick−Helmuth Co., Inc.

4601 N. Arden Drive

El Monte, CA 91731

Phone: (818) 575−6161

Datafax: (818) 350−4236

Landing Gear Equipment

Helicopter Float Assemblies

Overhaul Manual with Illustrated Parts

Garrett−Air Cruiser Company

List, Helicopter Float Assemblies,

P.O. Box 180

Utility Floats 21D24368−1/−2,

Belmar, NJ

Emergency Floats D24484−5/−6

Transmissions

Threaded Inserts

Keenserts

Catalog D

Newton Insert Co.

6500 Avalon Blvd.

Los Angeles, CA 90003

Engine Oil Cooler

Harrison Radiator Division

Service Overhaul Manual, Harrison

HES−66 77F

General Motors Corp.

Aluminum Plate Type Liquid−to−Air

Revised Sept 30, 1973

Lockport, NY 14094

Coolers

Stewart Warner Corp.

Southwind Division

1514 Drover Street

Indianapolis, Indiana 46221

Phone: (317) 632−8411

Page 208

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CSP-HMI-2

MAINTENANCE MANUAL

Table 201. Related Publications and Directives (Cont)

Component and

Publication or

Manufacturer, or Source

Publication Title

Directive No.

Scavenge Oil Filter

Filter Products Division

Facet Kit No. 1741050−01 Installation

E−947, Rev. D 3/10/89 (1)

Facet Enterprises, Inc.

and Service Manual Scavenge Lube Oil

8439 Triad Drive

Filter

Greensboro, NC 27409

Phone: (919) 668−4444

TWX 510−922−7331

Engine Intake Air Particle Separator

Pall Land Marine Corp. (PLM)

Vortex Tube Repair

PLM−TM−80−1

Formerly: Aircraft Porous Media (APM)

7070 Moon Lake Road

New Port Richey, FL 33552

Phone: (813) 849−9999

Fuel Filter Pressure Switch

R.W. Jensen, Inc.,

Pressure Switch Repairs

215 Arena Street

El Segundo, CA 90245

Trim Actuators

CEF Industries, Inc.,

Trim Actuator Overhaul

Calco Division

TEL: (813) 422−6419

FAX: (813) 421−2069

Searchlight

Alexair

SX Nightsun Searchlight

STC No. SH2288NM

25320 Bellanca Way

(Spectrolab)

Torrance, CA 90505

Phone: (213) 326−5222

NOTES:

(1) Publication should be maintained and treated as part of the primary information file for the helicopter.

Page 209

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CSP-HMI-2

MD Helicopters, Inc.

MAINTENANCE MANUAL

Table 202. Optional Equipment List

Nomenclature

Part Number

369D

369E

369FF

500N

600N

10 − PARKING AND MOORING

M/R blade stowage rack

369D299913

21 − ENVIRONMENTAL CONTROL SYSTEM

Heating system

369H90020

25 − EQUIPMENT / FURNISHINGS

Seat assy. passenger compartment

369D290037

Litter kit (bubble doors and flat glass)

369H90011−519

Litter kit (W/O doors)

369H90011−521

Seat and belts (four on the floor)

369H90035

Seat (mesh)

369H90040

Hoist

369H90070

Cargo hook

369H90072

Seat belt assembly (pilot, co−pilot)

369H6541

Shoulder harness and seat belt inertia reel

421−099

Litter kit

369D290170

Litter kit

TA−HH−0001

Forward equipment tray

369D292200

26 − FIRE PROTECTION

Fire extinguisher

369H90001

28 − FUEL SYSTEM

Anti−ice fuel filter

369H90022

Airframe fuel filter

600N98110

Fuel tank, self−sealing

369H90029

Drain, auxiliary engine fuel filter

369H92255

32 − LANDING GEAR

Extended landing gear

369D290007

Extended landing gear

600N6000

Step assembly, extended landing gear

600N6501

Utility floats

369D290086

Emergency floats

369D290121

Ground handling wheels (pneumatic)

369H90045

Ground handling wheels (compact)

369H90126

Float lamp assembly

369D292032

Landing gear kit, winterized

369D290010

Landing gear kit, mid−temp

369D290012

Metal landing gear fairings

SA4344

Page 210

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CSP-HMI-2

MAINTENANCE MANUAL

Table 202. Optional Equipment List (Cont)

Nomenclature

Part Number

369D

369E

369FF

500N

600N

52 − DOORS

Door (litter)

369H90085

53 − FUSELAGE

Magnesium−to−aluminum conversion kit

M30251−501

Clear windshield kit

369H90026

Comfort window

369D290026

Side window (fwd extended canopy)

369D292491

Upper and lower windshield (Heliplex)

SH7443SW

Window, crew (Heliplex)

SH7404SW

Window, passenger (Heliplex)

SH7405SW

63 − TRANSMISSION AND DRIVE SYSTEM

M/R transmission oil cooler drain

369D290120

Rotor brake

369H90123

64 − ANTI−TORQUE ASSEMBLY

4−Bladed tail rotor drive system

369D292500

67 − FLIGHT CONTROLS

Dual controls, L/H command

369H90033

Cyclic stick grip kit

369H90129

Right hand command kit

369D297001

Yaw Stability Augmentation System

600N97300

71 − POWER PLANT

Engine air inlet deflector kit

369D292044

Mist eliminator access panel

369D290270

Foriegn particle diverter kit

369D292045

250−C20R/2 conversion kit

369D298000

Particle separator

369H90148

Particle separator filter

600N90148

Particle separator

600N90125

Particle separator fairing

600N90128

Engine compressor water wash kit

369H92537

Mist eliminator

369D290125

C30 maintenance fuel pump kit

369D298100

Starter−Generator cooling system A1400−185

SH907GL

95 − INSTRUMENTS

IVSI

369D294508

Heated pitot tube

369H90034

Heated pitot tube

600N90034

Page 211

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CSP-HMI-2

MD Helicopters, Inc.

MAINTENANCE MANUAL

Table 202. Optional Equipment List (Cont)

Nomenclature

Part Number

369D

369E

369FF

500N

600N

Attitude gyro indicator

369H90038

AIM attitude gyro (510−1BL)

600N96501

Directional gyro indicator

369H90039

AIM 200 directional gyro (200DCL)

600N96502

AIM 205 directional gyro (205−1BL)

600N96503

Instantaneous vertical speed indicator

369H90044

Vertical speed indicator

600N96523

Instantaneous vertical speed indicator

600N96524

Auto direction finder (KR−85)

369H90067

Auto direction finder (Collins ADF−650A)

369D24165

Auto direction finder (KR−87)

600N96508

Compass system (KCS−55A)

600N96528

Altimeter indicator (millibar scale)

369H90124

Radar altimeter

600N96506

Encoding altimeter (United 5035)

600N96522

AIM turn/bank indicator (TS400−1AL)

600N96504

Digital/Analog TOT indicator

369D294509

96 − ELECTRICAL POWER

17AH ni−cad battery

369D290011

Dual−starting kit

M30306

FWD battery

369D222505

13AH ni−cad battery

369D24296

97 − AVIONICS

Transponder, Mode S (KT−70)

600N96509

Transponder (KT−76A)

369H90073

Transponder (King KT−76A)

369D24163

Transponder (Collins TDR−950)

369H90009

Transponder (Collins TDR−950)

369D24166

Transponder, Mode A/C (KT−76A)

600N96511

GPS International (KLN 90B)

600N96507

NAV/COM (Collins)

369H90007

NAV/COM transceiver (KX−170A)

369H90071

NAV/COM transceiver (KX155)

369D24147

NAV/COM transceiver (KX155)

600N96512

NAV/COM transceiver (King KX−1756)

369D24162

NAV/COM (Collins VHF−251 and VIR−351)

369D24164

Transceiver (VHF−22B)

369D24322

Page 212

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MAINTENANCE MANUAL

Table 202. Optional Equipment List (Cont)

Nomenclature

Part Number

369D

369E

369FF

500N

600N

Comm. receiver (Bendix/King KY−196)

369D24167

Comm. receiver (KY196A−30)

600N96513

ADF (Collins RCR−650)

369H90008

ADF (King KR−87)

369D24161

ADF (Collins 60A)

369D24333

ICS system

369H90068

ICS system

369D24118

NAT AA82/AA83 stereo ICS

600N96505

Copilot foot switch

600N96526

Rear seat transmit switch

600N96527

Radio (ASB/125/60)

369H90144

Headset, microphone assembly

369H92042

Switch and jack assembly, intercom

369H92492

Headset microphone

H10−56

Harness assembly (VHF−22B)

369D24321

Instrument and electrical (R/H command)

369D24175

Sterio audio control

600N96529

Audio control panel (KMA24−H)

600N96514

Middle seat wire harness

600N96515

Collective Hobbs

600N96525

Page 213

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MD Helicopters, Inc.

CSP-HMI-2

MAINTENANCE MANUAL

AIRWORTHINESS LIMITATIONS

Type Certificate No. H3WE

FAA Approved Airworthiness Limitations for MD Helicopters, Inc., Models 369D/E/F/FF and

500/600N.

1. General

The Airworthiness Limitations section is FAA approved and specifies maintenance required under

Code of Federal Regulations (CFR), Title 14, Federal Aviation Regulation (FAR), Part 43.16 and

91.403 unless an alternative program has been FAA approved.

REVISION:

DATE

FAA SIGNATURE AND DATE

Original Issue:

October 31, 1990

Not FAA approved

Revision 1:

March 29, 1991

Not FAA approved this revision

Revision 2:

May 10, 1991

TR 91−001

August 12, 1991

Revision 3:

September 9, 1991

TR 91−002

November 5, 1991

Revision 4:

January 20, 1992

TR 92−004

May 20, 1992

Revision 5:

August 24, 1992

TR 92−005

November 20, 1992

Revision 6:

December 21, 1992

Revision 7:

June 1, 1993

Section 04−00−00 Not Affected This Revision

TR 93−002

May 27, 1993

Revision 8:

July 23, 1993

TR 94−001

January 21, 1994

Revision 9:

April 22, 1994

Revision 10:

September 26, 1994

Section 04−00−00 Not Affected This Revision

TR 94−002

October 24, 1994

Page 1

FAA APPROVED

04-00-00

Revision 42

CSP-HMI-2

MD Helicopters, Inc.

MAINTENANCE MANUAL

REVISION:

DATE

FAA SIGNATURE AND DATE

Revision 11:

January 18, 1995

Revision 12:

October 6, 1995

Section 04−00−00 Not Affected This Revision

TR 96−002:

April 24, 1996

Revision 13:

May 31, 1996

Revision 14:

September 13, 1996

Revision 15:

November 15, 1996

Section 04−00−00 Not Affected This Revision

Revision 16:

January 6, 1997

Section 04−00−00 Not Affected This Revision

Revision 17:

February 24, 1997

TR 97−001:

July 2, 1997

TR 97−002:

August 19, 1997

Section 04−00−00 Not Affected This Revision

Revision 18:

October 17, 1997

T/R 97−001 and 97−002 Previously Signed

Revision 19:

December 16, 1997

TR 98−001:

March 25, 1998

Section 04−00−00 Not Affected This Revision

Revision 20:

June 1, 1998

T/R 98−001 Previously Signed

TR 98−002:

June 22, 1998

TR 98−003:

3 August 1998

Section 04−00−00 Not Affected This Revision

Revision 21:

24 August 1998

T/R 98−002 and 98−003 Previously Signed

Revision 22:

10 March 1999

Section 04−00−00 Not Affected This Revision

Revision 23:

1 June 1999

Section 04−00−00 Not Affected This Revision

Revision 24:

7 December 1999

Revision 25:

28 April 2000

Section 04−00−00 Not Affected This Revision

Revision 26:

17 August 2000

Revision 27:

9 October 2000

Section 04−00−00 Not Affected This Revision

Revision 28:

30 November 2000

Section 04−00−00 Not Affected This Revision

Page 2

Revision 42

04-00-00

FAA APPROVED

MD Helicopters, Inc.

CSP-HMI-2

MAINTENANCE MANUAL

REVISION:

DATE

FAA SIGNATURE AND DATE

Revision 29:

11 May 2001

Revision 30:

11 July 2001

Section 04−00−00 Not Affected This Revision

TR 01−001:

10 August 2001

Section 04−00−00 Not Affected This Revision

Revision 31:

5 November 2001

T/R 01−001 Previously Signed

TR 02−002:

30 January 2002

Revision 32:

18 March 2002

Revision 33:

24 June 2002

TR 03−001:

18 June 2003

TR 03−002:

25 June 2003

Section 04−00−00 Not Affected This Revision

Revision 34:

21 August 2003

T/R 03−001 and 03−002 Previously Signed

TR 03−003:

30 September 2003

TR 03−004:

17 December 2003

Section 04−00−00 Not Affected This Revision

Revision 35:

20 May 2004

T/R 03−003 and 03−004 Previously Signed

TR 04−001:

28 May 2004

Revision 36:

11 November 2004

Revision 37:

13 December 2005

Section 04−00−00 Not Affected This Revision

TR 05−002:

16 December 2005

Section 04−00−00 Not Affected This Revision

Revision 38:

25 April 2006

T/R 05−002 Previously Signed

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MAINTENANCE MANUAL

AIRWORTHINESS LIMITATIONS

2. Component Mandatory Replacement

number, component time and current

helicopter hours are recorded in the Log

The Airworthiness Limitation Replacement

Book and component log for the

Schedule specifies the mandatory replacement

helicopter. Whether the life-limited

time, structural inspection interval and related

part is new or used, the remaining

structural inspection procedures approved per

number of useful life hours and pre

the certificate basis of the Type Certificate

vious inspection time, if applicable, for

Data Sheet No. H3WE and CAR 6 (6.250,

the part is added to the existing

6.251) and CFR 27.571 for models 500/600N

helicopter time. The total helicopter

unique components only. At the listed finite-

hours obtained then denotes the

life, components or assemblies must be

subsequent time at which the part

removed from the helicopter and permanently

must be removed from the helicopter or

retired from service. At the listed inspection

inspected.

interval, the components or assemblies must

(4).

If a life-limited part, is part of an

be inspected in accordance with the Handbook

assembly, the assembly must be

of Maintenance Instructions (HMI). The title

removed from the helicopter when the

of the task and section of the HMI are referred

to which provide the inspection procedures and

time expires. The assembly may be

criteria.

overhauled and restored to maximum

number of hours of useful life by

NOTE: Refer to CFR Part 43.10 for latest re

installing new life-limited parts plus all

quirements for the removal, installation,

other parts specified in the overhaul

storage and disposition of life-limited parts.

instructions (Refer to Component

Overhaul Manual).

(1).

A ``life-limited'' part is a physical

(5).

If interchanged between different

component of the helicopter to which a

model helicopters (for instance, Model

maximum number of allowable operat

369D to 369FF or vice versa), any

ing hours or cycles are assigned.

component having a limited life or

Certain assemblies and components on

overhaul schedule must be restricted to

the helicopter have a limited life

the lowest service life or TBO schedule

established by MDHI and approved by

indicated for the helicopter models and

FAA Engineering. For example, a part

serial numbers affected.

with an assigned limit of 1000 hours,

may accumulate 1000 hours of opera

(6).

Refer to the appropriate Allison

tion in service. Upon completion of the

Operation and Maintenance Manual for

1000 hours of operation, useful life of

engine component replacement require

the part is ended. The finite-life

ments.

assigned to different parts varies

according to engineering fatigue tests,

Component Mandatory Inspections

part experience, etc. The parts listed in

this section must be removed from the

Some components with mandatory inspection

helicopter at the finite-life indicated

intervals require inspections to be completed

and identified as to it's expired life (Ref,

in accordance with procedures detailed in

Table 1, Note (1)).

other sections of this maintenance manual.

The appropriate inspection procedures are

(2).

All parts not having an assigned life or

referenced in the Notes flagged to each

stated to be of unlimited life, have a life

component to be inspected. All maintenance

of not less than 20,000 hours.

manual procedures which are referenced in the

FAA Approved Airworthiness Limitations

(3).

When a life-limited part or an assem

Component Mandatory Replacement Schedule

bly that incorporates a life-limited part

are FAA approved procedures which cannot be

is installed on a new or used helicopter,

changed without FAA review and approval of

the nomenclature, part number, serial

the proposed changes.

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MAINTENANCE MANUAL

4. Retirement Index Number (RIN)

For external lift operators, an external

load is recorded as two (2) TE's (pick-up

(1). A Retirement Index Number (RIN) is a

and drop-off).

number that accounts for different

usage spectra in assigning the retire

Hover taxi with no external load will

ment time for a component.

typically result in no TEs.

The RIN is calculated as the sum of an

6. External Lift and Torque Event (TE)

adjustment factor times flight hours

Requirements

plus another adjustment factor times

Torque Events.

The 369D/E/F/FF - 500/600N helicopters are

multi-use helicopters. If the helicopter is used

When a component reaches 1,000,000

primarily for external lifts or training flights

RIN's, it has reached it's maximum life

(high TE flights), there may be a reduction in

and is to be scrapped.

inspection intervals of some components.

For safe operation of the heli

5. Torque Event (TE)

CAUTION

copter, TE's must be recorded in

the Rotorcraft Log Book. Each external lift

A Torque Event (TE) is defined as:

will be recorded as two (2) TE's.

The transition to a hover from forward

(1). Determine the number of TE's and

flight.

external lifts the helicopter accumu

lates per hour of flight time.

Any external lift operation.

(2). Record all TE's in Rotorcraft Log Book

NOTE: An external lift can either be on the car

and continue to record all TE's.

go hook, external hoist or in external bas

kets.

(3). Perform required TE inspections.

Table 1. Airworthiness Limitations Schedule

Finite Life

Mandatory

Component

Part Number

Model

Hours

Inspection

(1)

(2)

(1)

Hours

Main Rotor System

Blade assembly, main rotor

369D/E(5)(6)

369D21100

3530

(37)

(11)(20)

369D21100−516

3530

(37)

100

(20)

369D21100−517

2500

(31)

(22)

369D21100−517

3530

(37)

100

(20)

369D21100−523

4000

(37)

100

(20)

369D21120−501

3530

(37)

100

(20)

369D21120−503

3530

(37)

100

(20)

369D21120−505

3530

(37)

100

(20)

369F/FF

(6)

369D21102

3430

(37)

(11)(20)

369D21102−503

3430

(37)

100

(20)

369D21102−517

2500

(31)

(22)

369D21102−517

3430

(37)

100

(20)

369D21102−523

4000

(37)

100

(20)

369D21121−501

3430

(37)

100

(20)

369D21121−503

3430

(37)

100

(20)

369D21121−505

3430

(37)

100

(20)

Page 6

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MAINTENANCE MANUAL

Table 1. Airworthiness Limitations Schedule (Cont.)

Finite Life

Mandatory

Component

Part Number

Model

Hours

Inspection

(1)

(2)

(1)

Hours

Blade assembly, main rotor

500N

(6)

369D21102−503

3430

(37)

100

(20)

369D21102−517

2500

(31)

(22)

369D21102−517

3430

(37)

100

(20)

369D21102−523

4000

(37)

100

(20)

369D21121−501

3430

(37)

100

(20)

369D21121−503

3430

(37)

100

(20)

369D21121−505

3430

(37)

100

(20)

600N

(6)

369D21102−517

(21)

1900

(32)(37)

100

(20)

369D21102−523

3200

(33)(37)

100

(20)

369D21121−501

3200

(33)(37)

100

(20)

369D21121−503

3200

(33)(37)

100

(20)

369D21121−505

3200

(33)(37)

100

(20)

Folding pin, main rotor blade attach

369D/E/F/FF

369A1004

2850

369A1004−3

2850

369A1004−5

7600

500/600N

369A1004−5

7600

Hub subassembly, main rotor

369D/E/F/FF

369D21201

8900

500N

Pitch housing assembly, main rotor hub

369D

369D21300

9100

369D21300−501

9100

369E/F/FF

369D21300−501

9100

500N

Retention strap assembly, main rotor hub

369D

369D21210

2770

100

(4)

369D21210−501

2770

100

(4)

369E/F/FF

369D21210−501

2770

100

(4)

500/600N

369D21210−501

2770

100

(4)

Bolt − lead−lag hub, main rotor

369D

369A1220

6120

369D/E/F/FF

369D21220

6120

500N

600N

369D21220

5400

(34)

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MAINTENANCE MANUAL

Table 1. Airworthiness Limitations Schedule (Cont.)

Finite Life

Mandatory

Component

Part Number

Model

Hours

Inspection

(1)

(2)

(1)

Hours

Link assembly − lead lag hub, main rotor

369D/E

369H1203−BSC (39)

5762

(23)

369H1203−21

(39)

5762

(23)

369H1203−31

(39)

5762

(11)

369H1203−51

(39)

11080

369H1203−53

(40)

11080

369H1203−61

(39)

11080

369F/FF

369H1203−21

(39)

5762

(23)

369H1203−31

(39)

5762

(11)

369H1203−51

(39)

11080

369H1203−53

(40)

11080

369H1203−61

(39)

11080

500N

369H1203−51

(39)

11080

369H1203−53

(40)

11080

369H1203−61

(39)

11080

600N

369H1203−51

(39)

11080

369H1203−53

(40)

11080

Lead lag damper − main rotor

369D

369D21400−501

6060

M50452

On Cond.

(16)

369D/E/F/FF

369D21400−503

On Cond.

(16)

500/600N

Drive shaft, main rotor

369D/E

369D25510

5020

300

(8)

369F/FF

369D25510

3675

300

(8)

500N

369D25510−21

3260

300

(15)

369D/E

369F5510

(42)

369F/FF

369F5510

(42)

500N

369F5510

(42)

600N

600N5510

14000

(35)

Mast assembly, main rotor

369D/E/F/FF

369D22014

10450

500N

600N

369D22014

3500

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HANDBOOK OF MAINTENANCE INSTRUCTIONS FOR MDHI 369D/E/FF-500/600N HELICOPTERS (ISSUED: 1990) - page 1