412-IPB-CH01.pdf

BHT-412-IPB-1

1-99-00

ECCN EAR99

TABLE OF CONTENTS

Paragraph Chapter/Section Page Number Title Number Number

CHAPTER 1 — GENERAL INFORMATION

GENERAL INFORMATION

1-1 Scope of the Manual ...................................................................... 1-99-00 31-2 Illustrated Parts Breakdown and Associated Documents .............. 1-99-00 31-3 Illustrated Parts Breakdown and Associated Documents

— Supplemental Documents .................................................... 1-99-00 41-4 Illustrated Parts Breakdown and Associated Documents

— Customer Feedback............................................................. 1-99-00 41-5 Use of the Manual.......................................................................... 1-99-00 41-6 Use of the Manual — Document Structure ............................... 1-99-00 41-7 Use of the Manual — Revision Status and List of Effective

Pages........................................................................................ 1-99-00 51-8 Use of the Manual — Figure Layout ......................................... 1-99-00 51-9 Figure Layout — Index Number........................................ 1-99-00 51-10 Figure Layout — Part Number .......................................... 1-99-00 51-11 Figure Layout — Item Name............................................. 1-99-00 61-12 Figure Layout — Unit Per Assembly................................. 1-99-00 61-13 Figure Layout — Availability Codes .................................. 1-99-00 61-14 Figure Layout — Usable-On-Code ................................... 1-99-00 71-15 Figure Layout — Effectivity ............................................... 1-99-00 71-16 Figure Layout — Pre and Post Alert Service Bulletin

(ASB)/Technical Bulletin (TB)/Installation Instruction (II) .. 1-99-00 71-17 Figure Layout — Stacked Index Numbers ........................ 1-99-00 71-18 Figure Layout — Parts Relationship ................................. 1-99-00 71-19 Use of the Manual — Alphabetical Numerical Index ................ 1-99-00 71-20 Use of the Manual — Reference Designator Index .................. 1-99-00 81-21 Use of the Manual — Finding Parts.......................................... 1-99-00 81-22 Handling of Customer Orders ........................................................ 1-99-00 81-23 Ordering Instructions...................................................................... 1-99-00 121-24 Notes on Torrington Bearings ........................................................ 1-99-00 121-25 Abbreviations and Acronyms ......................................................... 1-99-00 12

FIGURES

Figure Page Number Title Number

1-1 Finding Parts — Part Number (P/N) is Known (Example) .................................. 91-2 Finding Parts — Part Number (P/N) is Not Known (Example)............................ 101-3 Finding Parts — Reference Designator (REF DES) is Known (Example) .......... 11

16 MAY 2011 Rev. 10 /2

BHT-412-IPB-1

1-99-0018 JUN 2010 Rev. 9 ECCN EAR99

GENERAL INFORMATION

1-1. SCOPE OF THE MANUAL

WARNING

ALL SPARE AND REPLACEMENT PARTSDATA PUBLISHED BY BELLHELICOPTER TEXTRON (BHT) AREBASED ON THE SOLE USE OF BHTAPPROVED PARTS. IF PARTSDEVELOPED OR APPROVED BYPARTIES OTHER THAN BHT ARE USED,THEN THE DATA PUBLISHED OROTHERWISE SUPPLIED BY BHT ARENOT APPLICABLE. THE USER ISWARNED NOT TO RELY ON BHT DATAFOR PARTS NOT APPROVED BY BHT.ALL APPLICABLE SPARE ANDREPLACEMENT PARTS MUST BEOBTAINED FROM THE SUPPLIER OFTHOSE PARTS. BHT IS NOTRESPONSIBLE FOR PARTS OTHERTHAN THOSE WHICH IT HAS ITSELFDEVELOPED OR APPROVED.

NOTE

An electronic copy of this manual is alsoavailable via the Electronic CommercialTechnical Publications Web site atwww.bellhelicopter.net.

NOTE

The terms and conditions of sale of BellHelicopter Textron (BHT) support items arereflected in the introductory section of thecurrent BHT spare parts price list.

This manual is the Illustrated Parts Breakdown (IPB)for Model 412/412EP helicopters. The manualidentifies all detail parts, components, and assembliesthat comprise, and are required for, the support of thehelicopter.

NOTE

This publication also covers IndonesianModel 412HP S/N 34025 throughsubsequent (same as 412HP S/N 36021

through 36087) and 412SP S/N 34001through 34024 (same as 412SP S/N 33108through subsequent and 36001 through36019) and must be used in conjunctionwith publication NB-412-IPB for specificIndonesian parts. Copies of this manualmay be obtained from:

PT DIRGANTARA INDONESIA(Indonesian Aerospace – IAe)Jl. Pajajaran No. 154Bandung 40174, IndonesiaE-mail: [email protected]

1-2. ILLUSTRATED PARTS BREAKDOWNAND ASSOCIATED DOCUMENTS

CAUTION

DO NOT USE THE ILLUSTRATED PARTSBREAKDOWN AS A CONFIGURATIONCONTROL DOCUMENT OR AS AMAINTENANCE MANUAL. ITS SOLEPURPOSE IS FOR THE IDENTIFICATIONAND ORDERING OF SPARES.

NOTE

For identification of the special tools usedfor maintenance, repair, or restoration ofthe parts and components helicopters referto the BHT-SPECTOOL-IPB.

The Illustrated Parts Breakdown (IPB) is not intendedto provide information regarding maintenance, repair,or restoration of parts other than identification,issuance, or requisition of these parts. Therefore, theIPB should always be used as a supplement to thefollowing Model 412 helicopter publications:

• Maintenance Manual (BHT-412-MM)

• Component Repair and Overhaul Manual(BHT-412-CR&O)

Links to these publications are available via theElectronic Commercial Technical Publications Website at www.bellhelicopter.net.

BHT-412-IPB-1

1-99-00 Rev. 9 18 JUN 2010 ECCN EAR99

1-3. ILLUSTRATED PARTS BREAKDOWN ANDASSOCIATED DOCUMENTS —SUPPLEMENTAL DOCUMENTS

Technical Bulletins (TB) and Alert Service Bulletins(ASB) are published when necessary. Thesedocuments supplement the Illustrated PartsBreakdown (IPB) and provide data for identification,issuance, or requisition of selected parts, components,or assemblies. When a bulletin affects the IPB, it isincorporated in the manual at the next availableopportunity. Refer to the bulletin record (page BR) forthe list of bulletins that have been incorporated in themanual.

Temporary Revisions (TR) are published whennecessary. TRs supersede the content of the IPB onthe applicable page range. Refer to the temporaryrevision record (page TR) for a list of active temporaryrevisions against the manual.

1-4. ILLUSTRATED PARTS BREAKDOWN ANDASSOCIATED DOCUMENTS —CUSTOMER FEEDBACK

Bell Helicopter Textron (BHT) strives to provide you,the customer, accurate and straightforward manuals.Sometimes, we may make mistakes. If you find anymistakes, we would appreciate it if you told us. Yourobservation, suggestion, or complaint will beacknowledged.

For your convenience, we have included a CustomerFeedback form at the beginning of the Illustrated PartsBreakdown (IPB). You can send it by fax or mail it tous. When you tell us about a mistake that is found inthe IPB, please be as specific as possible. Your help tomake sure that this publication is correct is very muchappreciated.

1-5. USE OF THE MANUAL

The information provided in the Illustrated PartsBreakdown (IPB) and those modified either by AlertService Bulletins (ASB) issued by Bell HelicopterTextron (BHT), or by Airworthiness Directives (AD)issued by the local Aviation Authority, shall befollowed.

1-6. USE OF THE MANUAL — DOCUMENTSTRUCTURE

The breakdown of the helicopter into systems withinthe Illustrated Parts Breakdown (IPB) is done under a

modified Air Transport Association (ATA) chaptersystem.

NOTE

A list of all the chapters contained in thismanual is also provided at the beginning ofthe IPB (page i/ii).

The IPB contains 26 chapters and each of these usesthe same numbering as in the Maintenance Manual(BHT-412-MM) and the Component Repair andOverhaul Manual (BHT-412-CR&O) to help withcross-references between manuals. The chapters ofthe IPB are as follows:

CHAPTER TITLE

Chapter 1 General Information

Chapter 8 Weight and Balance

Chapter 9 Wheel Assembly, Ground Handling

Chapter 10 Parking and Mooring

Chapter 11 Placards and Markings

Chapter 21 Heating, Air Conditioning, and Ventilation

Chapter 25 Equipment and Furnishings

Chapter 26 Fire Protection/Loose Equipment

Chapter 28 Fuel Supply Systems

Chapter 29 Hydraulic System

Chapter 30 Ice and Rain Protection

Chapter 32 Landing Gear

Chapter 52 Doors and Windows

Chapter 53 Fuselage

Chapter 62 Main Rotor

Chapter 63 Main Rotor Drive System

Chapter 64 Tail Rotor

Chapter 65 Tail Rotor Drive System

Chapter 67 Flight Control System

BHT-412-IPB-1

1-99-0016 MAY 2011 Rev. 10 ECCN EAR99

A Table of Contents (TOC) is provided at the beginningof every chapter of the IPB. Except in Chapter 1, eachTOC reflects the breakdown of the chapter into one ormore figures.

The TOC also provides Chapter/Section numbers(e.g., 64-99-00), which identify the chapter associatedwith the figure (e.g., Chapter 64), the type of manual(99 being the default number for the IPB), and thesection, if any (00 being the default number if thechapter is not broken down into sections).

NOTE

In the Alphabetical Numerical Index, pagenumbers are preceded by Part Number.

In the Reference Designator Index, pagenumbers are preceded by Ref. Des.

Throughout the manual, the page numbering uses asequence number, starting at 1 at the beginning ofeach chapter.

The paragraph numbering in Chapter 1 uses acombination of the chapter number followed by asequence number, starting at 1 (e.g., paragraph 1-6).

1-7. USE OF THE MANUAL — REVISIONSTATUS AND LIST OF EFFECTIVE PAGES

The revision status of the manual is provided in the logof revisions at the beginning of the Illustrated PartsBreakdown (IPB) (page A) and on the title page of themanual. The log of pages (starting on page A)provides the revision status of every page in themanual.

1-8. USE OF THE MANUAL — FIGURELAYOUT

The figures contained in Chapter 8 through Chapter 99consist of illustration page(s) and text page(s).Illustration pages are in exploded form and arranged ina manner to depict the relationship of the parts listedon the text page. Guidelines are used to further clarifythis relationship.

The figure numbering uses a combination of thechapter number followed by a sequence number,starting at 1 (e.g., Figure 64-3). The figure number isshown at the bottom of the illustration page and at thetop of the text page.

1-9. Figure Layout — Index Number

The numbers appearing in column (1) of each textpage link the text to the illustration. The index numberprovides a cross-reference from the part numberappearing on the text page to the illustrated view of thepart or component on the accompanying illustration.

When one figure depicts both left-hand and right-hand(LH/RH) assemblies or parts, the LH configuration isillustrated, unless otherwise specified.

When both the LH and RH assemblies are identicalthe quantity listed is for both LH and RH. The quantityfor the detail parts only includes those needed for oneassembly.

Part numbers that are shown on the text page withoutindex numbers are items that are not procurable, suchas an installation, but the detail parts listed below themare procurable. These parts may be purchased if theyare ordered in accordance with the instructions ofparagraph 1-23.

1-10. Figure Layout — Part Number

Synthetic part numbers will not be reflected in the IPBmanual. Example P/N 205-050-174-034S will begiven as P/N 205-050-174-034, P/N205-032-669-125B will be given as P/N205-032-669-125. These are parts that are configureddifferently than the original part. When ordering spareparts, include only the part number that is identified inthe IPB manual. All part numbers identified as -1 or-001, -3 or -003, etc., are always the same parts.Leading zeros in the last dash numbers may beomitted.

Chapter 71 Power Plant System

Chapter 76 Engine Controls

Chapter 79 Engine Oil System

Chapter 95 Instruments

Chapter 96 Electrical System

Chapter 97 Avionics

Chapter 99 Kits

CHAPTER TITLE

BHT-412-IPB-1

1-99-00 Rev. 10 16 MAY 2011 ECCN EAR99

Four different types of part numbers may be found incolumn (2) of the text pages, as follows:

• Bell Helicopter Textron (BHT) part numbers(e.g., 412-030-245-107)

• Military Standard part numbers; these startwith AN, M, MS, or NAS.

• Vendor part numbers; these have no particulartype and are listed as defined by themanufacturer

• Standard BHT part numbers(e.g., 120-079-10-6)

1-11. Figure Layout — Item Name

The nomenclature of the part is identified in column (3)as defined in Engineering and Industry Standard.

Indentations – The indentation system shows therelationship of one part to another. For a given item,the number of indentures depicts the relationship ofthe item to the associated next higher assembly, asfollows:

1 2 3 4 5 6 7Assembly. Detail part for assembly.. Subassembly... Detail parts for subassembly

Similar Assemblies – When similar assemblies arebroken down, any peculiarities are noted by adding anote in the column with the term USABLE ON followedby the serial number and part number of the NextHigher Assembly (NHA) for that part.

Alternate Parts – When the use of alternate parts ispermitted, the part number of the acceptable alternateis shown immediately after the preferred part with thesame indenture level. The alternate part is separatedfrom the preferred part by the words alternate part orparts.

Special Notations – The word NOTE and thereference number pertaining to that note will follow thenomenclature of items that require special attention.An example would be parts that must be replaced inmatched sets.

Replaced By – This phrase is used in the descriptionof a part number that has been superseded by animproved part. Assets of the original part should beused until depletion.

Replaces – This phrase is used in the description ofthe improved part. This part is one wayinterchangeable and should only be used when assetsor the original part has been depleted.

1-12. Figure Layout — Unit Per Assembly

Column (4) indicates the quantity of the item requiredfor one assembly only. When parts are shown asattaching two or more items, the quantity of theseparts are those necessary to attach only one of theitems. The abbreviation REF indicates that thequantity required will be found on the figure referencein the nomenclature or that the information is forreference purposes only.

1-13. Figure Layout — Availability Codes

NOTE

Availability codes may have been revisedsince this publication has been printed.Please contact your supply center or theBell Helicopter Spares AdministrationCenter at (817) 280-2551, or by email:[email protected].

NOTE

Not all operators have access to CO-OP.

Column (5) provides the availability code, whichdenote the procurability of parts. To help identify if apart is procurable an alphabetical code is used, whichis designed to match stock codes in CO-OP.

Alphabetical Availability Codes – The alphabeticalavailability code is based on the stock class and stockstatus code shown in CO-OP. Some part numbers willnot have availability codes because they areInstallation parts, not listed in CO-OP or are indexedfor customer convenience.

BHT-412-IPB-1

1-99-0016 MAY 2011 Rev. 10 ECCN EAR99

A table has been added to the last page of each figurethat contains an abbreviated definition of the codes.An expanded definition follows:

P – Procurable part

• Stock class is non-stock.

• Stock status is active or inactive.

NP – Non Procurable part.

• Stock class is non-stock.

• Stock status is obsolete.

• Part number is an installation drawing, whichis not listed in CO-OP.

• Part number can be a Next Higher Assembly(NHA), which is not procurable but its detailparts are, or the opposite.

SP – Normal Stock/Procurable.

1-14. Figure Layout — Usable-On-Code

The Usable-On-Code (UOC) in column (6) is not usedin the Illustrated Parts Breakdown (IPB) of the Model412 helicopter.

1-15. Figure Layout — Effectivity

Unlimited – When a part is effective on all helicoptersidentified in a figure, the Serial Number (S/N) is notused.

Limited – When a part is effective only on certainhelicopters identified in a figure, the S/N is used.

Replaced Part – If the part has a limited effectivity, itwill have a S/N that covers only that effectivity.

Replaces Part – The replacing part number willcontain the S/N that covers the effectivity of thereplaced part and replacement part combined. If thecombined effectivity of the original and replacementpart numbers include all serial numbers that pertain tothe applicable model block covered in the figure, noeffectivity will be listed.

1-16. Figure Layout — Pre and Post AlertService Bulletin (ASB)/Technical Bulletin(TB)/Installation Instruction (II)

The word PRE followed by the ASB/II/TB number(e.g., PRE ASB 412-96-89) will follow thenomenclature of items that have been replaced by thebulletin or instruction. The word POST followed by theASB/II/TB number (POST ASB 412-96-89) will followthe nomenclature of items that are needed toincorporate the requirements of the bulletin orinstruction.

1-17. Figure Layout — Stacked Index Numbers

Index numbers are stacked on two occasions, they areas follows:

1. When items can easily be identified on theillustration and an exploded view is not needed.

2. When there are two or more identical itemsbroken down, one of the items will be in an explodedview showing all the details indexed and the otheritems will have the index numbers stacked.

1-18. Figure Layout — Parts Relationship

Each part on the text page of the Illustrated PartsBreakdown (IPB) is indented to indicate relationship.Each part is indented to the right of its next higherassembly. When the details of an assembly are shownon a different figure, the nomenclature of the assemblyis followed by the notation SEE FIG. XX-XX FORBREAKDOWN. If an assembly is broken down in morethan one figure the notation SEE FIG. XX-XX FORBALANCE OF BREAKDOWN will be shown.

1-19. USE OF THE MANUAL — ALPHABETICALNUMERICAL INDEX

The Alphabetical Numerical Index, also called lndex ofPart Numbers, is located at the end of the IllustratedParts Breakdown (IPB), before the ReferenceDesignator Index.

NOTE

Supplements have their own index locatedat the end of the applicable document(Chapter 99).

This index lists in alpha-numerical order all the partnumbers found in Chapter 8 through Chapter 97.

BHT-412-IPB-1

1-99-00 Rev. 10 16 MAY 2011 ECCN EAR99

Cross-references are made to the applicable chapter,figure, item (index number), and reference designatorin the IPB.

1-20. USE OF THE MANUAL — REFERENCEDESIGNATOR INDEX

The Reference Designator Index, also called Index ofReference Designators, is located at the end of theIllustrated Parts Breakdown (IPB), after theAlphabetical Numerical Index.

NOTE

Supplements have their own index locatedat the end of the applicable document(Chapter 99).

This index lists in alpha-numerical order all thereference designators found in Chapter 8 throughChapter 97.

Cross-references are made to the applicable chapter,figure, item (index number), and part number in theIPB.

1-21. USE OF THE MANUAL — FINDING PARTS

1. When the part number is known, find a part asfollows (Figure 1-1):

a. Locate the part number in the AlphabeticalNumerical Index (paragraph 1-19).

b. Note the chapter number, figure number, anditem number against the part number.

c. In the Table of Contents (TOC) of the chapter,find the applicable figure.

d. On the text page of the figure, locate the itemin the Index Number column.

2. When the part number is not known, find a part asfollows (Figure 1-2):

a. In the List of Chapters (page i/ii), determinethe chapter in which that part is most likely to appear.

b. In the Table of Contents (TOC) of the chapter,determine the figure in which the part might be shown.

c. On the illustration page of the figure, locatethe part.

d. On the illustration page of the figure, note theindex number against the part.

e. On the text page of the figure, locate the itemin the Index Number column.

3. When the reference designator is known, find apart as follows (Figure 1-3):

a. Locate the reference designator in theReference Designator Index (paragraph 1-20).

b. Note the chapter number, figure number, anditem number against the reference designator.

c. In the Table of Contents (TOC) of the chapter,find the applicable figure.

d. On the text page of the figure, locate the itemin the Index Number column.

1-22. HANDLING OF CUSTOMER ORDERS

All orders for parts will be filled in the shortest possibletime, with orders of any emergency nature givenspecial attention. Items not stocked will be placed onback order and the customer will be notified of theshipment date.

The method of transportation on shipments will be asassigned by the customer. When no such designationis made, method of transportation will be by mostexpeditious means, at the discretion of Bell HelicopterTextron (BHT).

Parts are shipped on open account to all customerswith an approved credit rating with BHT. All otherorders are shipped Collect On Delivery (COD).

When shipping charges are prepaid, as on parcel post,the amount of the charges will be added to thecustomer invoice.

BHT-412-IPB-1

1-99-0018 JUN 2010 Rev. 9 ECCN EAR99

Figure 1-1. Finding Parts — Part Number (P/N) is Known (Example)

BHT-429-IPB

Part Number 12 02 SEP 2003 ECCN EAR99

INDEX - PART NUMBERS — IPB

PART NUMBER CHAPTER,

FIGURE &

ITEM

REFERENCE

DESIGNATION

PART NUMBER CHAPTER,

FIGURE &

ITEM

REFERENCE

DESIGNATION

67 - 09 - 179

200SGL1040 71 - 05 - 7

204-040-227-001 63 - 05 - 18

204-040-389-001 63 - 05 - 19

204-040-391-001 63 - 05 - 17

204-040-424-105 63 - 11 - 67

204-040-506-003 65 - 05 - 78

204-040-760-105 63 - 05 - 13

204-040-760-109 63 - 05 - 13

204-060-031-009 79 - 05 - 8

204-076-285-001 63 - 21 - 3

204-076-286-001 63 - 21 - 4

204-076-287-001 63 - 21 - 19

204-076-290-003 63 - 21 - 47

204-076-290-007 63 - 21 - 47

204-076-290-103 63 - 21 - 47

204-076-325-001 63 - 21 - 41

204-076-325-003 63 - 21 - 44

204-076-326-001 63 - 21 - 42

204-076-336-001 11 - 02 - 33

63 - 19 - 5

204-076-435-001 63 - 21 - 45

63 - 21 -

204-076-435-101 63 - 21 - 45

205-076-365-001 29 - 05 - 5

206-001-052-001 67 - 01 - 81

67 - 08 - 7

67 - 26 - 42

67 - 36 - 9

206-001-198-105 67 - 09 - 182

67 - 09 - 192

206-001-218-103 67 - 16 - 1

206-001-335-001 67 - 13 - 38

206-001-386-1 67 - 16 - 2

206-001-387-1 67 - 16 - 3

206-001-389-3 67 - 16 - 4

206-001-745-101 67 - 02 - 4

67 - 11 - 5

206-010-344-001 11 - 02 - 42

62 - 04 - 58

206-010-470-101 67 - 09 - 168

67 - 09 - 175

206-011-157-111 62 - 01 - 22

206-011-255-109 62 - 06 - 24

206-030-193-003 96 - 02 - 12

96 - 02 - 17

206-040-034-105 63 - 12 - 4

206-040-088-007 63 - 05 - 14

206-040-092-003 63 - 15 - 9

206-040-093-001 65 - 05 - 73

206-040-102-101 65 - 02 - 2

206-040-115-005 63 - 05 - 21

206-040-190-005 63 - 05 - 49

63 - 06 -

206-061-432-013 65 - 03 - 28

206-061-432-123 65 - 03 - 23

206-061-432-125 65 - 03 - 24

206-061-432-127 65 - 03 - 25

206-061-543-001 71 - 14 - 38

206-062-200-121 71 - 05 - 5

206-062-200-141 71 - 06 - 1 8010MG1,

8010MG2

206-062-200-143 71 - 05 - 1 8010MG1,

8010MG2

206-070-469-105 10 - 02 - 6

206-073-172-001 21 - 02 - 5

206-073-173-001 21 - 02 - 6

206-073-913-001 21 - 02 - 7 3040B1

21 - 02 - 8 3040B2

206-076-030-123 29 - 01 - 9

206-076-030-125 29 - 01 - 10

206-076-047-101 63 - 19 - 11

206-076-049-001 63 - 21 - 49

206-076-377-001 63 - 05 - 48

206-076-407-001 63 - 21 - 26

206-076-408-001 63 - 21 - 37

206-076-408-101 63 - 21 - 37

206-076-409-001 63 - 21 - 31

206-076-410-001 63 - 21 - 38

206-076-411-001 63 - 21 - 46

206-076-412-001 63 - 21 - 32

206-076-412-101 63 - 21 - 32

206-076-413-101 63 - 21 - 18

206-076-416-001 63 - 21 - 27

206-076-417-001 63 - 21 - 22

206-076-418-001 63 - 21 - 15

206-076-418-003 63 - 21 - 16

206-076-419-001 63 - 21 - 35

206-076-419-101 63 - 21 - 35

206-076-436-001 63 - 21 - 25

206-076-457-001 63 - 19 - 8

206-076-457-003 63 - 19 - 9

206-340-204-101 65 - 05 - 11

206-340-300-105 63 - 01 - 16

206-340-301-105 63 - 19 - 33

206-468-003 52 - 06 - 6

209-062-520-001 63 - 18 - 35

209-062-528-001 79 - 02 - 47

79 - 03 - 44

20912-403 52 - 06 - 12

21-004C4-18 63 - 16 - 42

63 - 17 - 41

21-005B6-04 21 - 01 - 46

21-005B6-08 21 - 01 - 47

21-005B6-8 21 - 01 - 47

21-005C6-6H 52 - 03 - 22

21-005J5H4 52 - 03 - 62

52 - 04 - 33

52 - 04 - 65

21-006B7.5-7 63 - 21 - 23

21-006B7.5-9.5 63 - 21 - 20

21-006B7H7 63 - 21 - 23

21-006B7H9H 63 - 21 - 20

21-006B8-12 21 - 01 - 12

21-006B8-8 63 - 21 - 17

21-007B10-16 21 - 01 - 16

21-008C-11-10 29 - 04 - 13

29 - 04 - 22

21-008C11-5 67 - 26 - 87

21-008C12-5 53 - 20 - 21

53 - 20 - 26

21-008C12-8 53 - 20 - 64

BHT-429-IPB

71-99-00

Page 24 19 JUN 2009

BUY BELL PARTS, BUY BELL VALUE

Figure 71-5. Starter Generator Installation

429_IPB_01_0001

71-99-00

ECCN EAR99 19 JUN 2009 Page 25

FOR BEST VALUE, BUY GENUINE BELL PARTS

BHT-429-IPB

)6()5()4()3()2()1(

INDEX

NUMBEREMANMETIREBMUNTRAP

UNIT

PER

ASSY

A

V

A

I

L

U

O

C


429-060-101-103 ENGINE ASSY, LH (SEE FIG. 71-2 FOR NHA) (SEE FIG. 71-3, 71-9,

71-13 FOR BALANCE OF BREAKDOWN) . . . . . . . . . . . . . . . . . .

REF

429-060-101-105 ENGINE ASSY, RH (SEE FIG. 71-2 FOR NHA) (SEE FIG. 71-3, 71-9,


REF

1 206-062-200-143 . STARTER-GENERATOR (NOTE 1) (REF. DES. 8010MG1,

8010MG2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 SP

2 AS3209-113 . PACKING, PREFORMED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP

3 MS21042L5 . NUT, SELF-LOCKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP

4 NAS1149D0532K . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP

5 206-062-200-121 . MOUNTING KIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP

6 150SG1108 . . CLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P

7 200SGL1040 . . HOUSING, QAD KIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P

NOTE 1: SEE FIG. 71-6 FOR 200 AMP STARTER GENERATOR KIT

(BHT-429-II-10)

AVAIL CODE DEFINITION

P Procurable

NP Non Procurable

SP Normal Stock/Procurable

Please see Chapter 1 for additional information on availability

codes as well as general use of the Illustrated Parts

Breakdown manual.

11

Figure 71-5

2

3

1

HOW TO USE THE ILLUSTRATED PARTS BREAKDOWN

WHEN THE PART NUMBER IS KNOWN

1.

2.

3.

When the part number is known, refer to the Index of Part Numbers - IPB. Find the part number and

make a note of the chapter, figure, and item number specified to the part number.

Turn to the chapter and figure number specified. Find the item number referenced in the index of

Part Numbers - IPB.

If a representation of the part or its location is necessary, refer to the same item number on the

adjacent illustration.

206-062-200-143 71 - 05 1 8010MG1

BHT-412-IPB-1

1-99-00 Rev. 9 18 JUN 2010 ECCN EAR99

Figure 1-2. Finding Parts — Part Number (P/N) is Not Known (Example)

BHT-429-IPB

71-99-00

19 JUN 2009 Page 1ECCN EAR99


CONTENTS — ILLUSTRATED PARTS BREAKDOWN

egaPnoitceS/retpahCerugiF

rebmuN Number Number

CHAPTER 71 — POWER PLANT

71-1 Powerplant Installation................................................................... 71-99-00 2

71-2 Engine Installation.......................................................................... 71-99-00 8

71-3 Engine Assembly ........................................................................... 71-99-00 16

71-4 Mount Installation, Engine.............................................................. 71-99-00 18

71-5 Starter Generator Installation......................................................... 71-99-00 24

71-6 200 AMP Starter Generator Kit ...................................................... 71-99-00 26

71-7 Intake Installation, Starter Generator ............................................. 71-99-00 28

71-8 Ignition Boxes Installation, Engine ................................................. 71-99-00 30

71-9 Tailpipe Installation ........................................................................ 71-99-00 34

71-10 Ejector and Strut Installation .......................................................... 71-99-00 36

71-11 Engine Fuel Drain Installation ........................................................ 71-99-00 40

71-12 Breather Installation, Oil................................................................. 71-99-00 42

71-13 Compressor Wash Kit .................................................................... 71-99-00 46

71-14 Roof Drain Line Installation............................................................ 71-99-00 48

71-15 Kit Installation, Inlet Barrier Filter (BHT-429-II-9) ........................... 71-99-00 54

BHT-429-IPB

71-99-00

Page 24 19 JUN 2009



429_IPB_01_0002

71-99-00



BHT-429-IPB

)6()5()4()3()2()1(

INDEX


UNIT

PER

ASSY

A

V

A

I

L

U

O

C




REF



REF


8010MG2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 SP



4 NAS1149D0532K . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP

5 206-062-200-121 . MOUNTING KIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP

6 150SG1108 . . CLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P



(BHT-429-II-10)


P Procurable

NP Non Procurable




Breakdown manual.

11

Figure 71-5

3

2

1

HOW TO USE THE ILLUSTRATED PARTS BREAKDOWN

WHEN THE PART NUMBER IS NOT KNOWN

1.

2.

3.

Specify the function and application of the part required. Turn to the Contents - IPB and pick the most

applicable title. Make a note of the illustration page number.

Turn to the page specified and find the necessary part on the illustration.

From the illustration, get the item number identified to the part that is necessary. Refer to the adjacent

description for the specific information of the part.

24

71-99-00

Page 24

BHT-412-IPB-1

1-99-0018 JUN 2010 Rev. 9 ECCN EAR99

Figure 1-3. Finding Parts — Reference Designator (REF DES) is Known (Example)

71-99-00



BHT-429-IPB

)6()5()4()3()2()1(

INDEX


UNIT

PER

ASSY

A

V

A

I

L

U

O

C




REF



REF


8010MG2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 SP



4 NAS1149D0532K . WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SP

5 206-062-200-121 . MOUNTING KIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SP

6 150SG1108 . . CLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 P



(BHT-429-II-10)


P Procurable

NP Non Procurable




Breakdown manual.

BHT-429-IPB

71-99-00

Page 24 19 JUN 2009



429_IPB_01_0003

1

Figure 71-5

1 206-062-200-143

1

1

2

HOW TO USE THE REFERENCE DESIGNATOR INDEX

WHEN THE REFERENCE DESIGNATOR IS KNOWN

1.

2.

3.

When the reference designator is known, refer to the index of Reference Designators - IPB. Find the

reference designator and make a note of the chapter, figure, and index numbers and part number specified.

Turn to the chapter and figure number identified. Find the index number reference in the index of

Reference Designators - IPB.

If a pictorial representation of the part or its location is necessary, refer to the same index number

on the adjacent illustration.

BHT-429-IPB

F

INDEX - REFERENCE DESIGNATORS — IPB

REFERENCE

DESIGNATION

CHAPTER,

FIGURE &

ITEM

PART NUMBER REFERENCE

DESIGNATION

CHAPTER,

FIGURE &

ITEM

PART NUMBER

6540B3P1 67 - 20 - 55 D38999/26JD19SN

6540B5 67 - 18 - 10 429-001-065-109

67 - 19 - 15 418-00876-350

67 - 19 - 429-001-065-109

6540B5P1 67 - 18 - 11 MS3476W14-19S

6540B6 67 - 18 - 9 429-001-065-107

67 - 19 - 6 418-00876-450

67 - 19 - 429-001-065-107

6540B6P1 67 - 18 - 11 MS3476W14-19S

6540B7 67 - 18 - 10 429-001-065-109

67 - 19 - 15 418-00876-350

67 - 19 - 429-001-065-109

6540B7P1 67 - 18 - 15 MS3476W14-19S

6540B8 67 - 18 - 9 429-001-065-107

67 - 19 - 6 418-00876-450

67 - 19 - 429-001-065-107

6540B8P1 67 - 18 - 15 MS3476W14-19S

6540B9 67 - 34 - 5 429-001-065-111

67 - 35 - 8 418-00876-450

67 - 35 - 429-001-065-111

6540B9P1 67 - 34 - 6 MS3476W14-19S

96 - 1005 - 98 MS3476W14-19S

6540CB3 96 - 08 - 5 MS26574-2

6540CB4 96 - 08 - 5 MS26574-2

6540K1 96 - 1004 - 6 ES210EGMD

96 - 4A - 6 ES210EGMD

6540K2 96 - 1004 - 34 ES210EGMD

96 - 4A - 34 ES210EGMD

6540S1 95 - 07 - 28 32520-004

96 - 04 - 41 32520-004

6540S2 95 - 07 - 27 32520-003

96 - 04 - 39 32520-003

6540S8 96 - 07 - 71 JV-20

6540XK2 96 - 1004 - 61 SLDE210B11A1

96 - 4A - 61 SLDE210B11A1

6560CD3P1 96 - 1001 - 107 MS27473T8B98S

6560G1P1 96 - 07 - 326 D38999/26JA35SN

6560G1P1CP1 96 - 07 - 327 319H111XN09

6560G1P1CP4 96 - 07 - 328 M85049/93-04

6560G1P1CP5 96 - 07 - 329 20-108-1

6560J3 96 - 07 - 361 D38999/20JC35SN

6560J3CP1 96 - 07 - 362 319H111XN13

6560J3CP4 96 - 07 - 363 M85049/93-06

6560J3CP5 96 - 07 - 364 20-108-1

7160A1P1 96 - 34 - 13 D38999/26JA35SN

7160A2P1 96 - 34 - 13 D38999/26JA35SN

7160T1P1 96 - 34 - 12 D38999/26JA35SA

7160T2P1 96 - 34 - 12 D38999/26JA35SA

7320CB3 96 - 08 - 36 MS26574-2

7320CM1P1 76 - 02 - 17 D38999/26JH53SN

96 - 1005 - 180 D38999/26JH53SN

7320CM1P2 76 - 02 - 18 D38999/26JH53SA

96 - 1005 - 94 D38999/26JH53SA

7320CM2P1 76 - 02 - 23 D38999/26JH53SN

96 - 1005 - 188 D38999/26JH53SN

7320CM2P2 76 - 02 - 24 D38999/26JH53SA

96 - 1005 - 37 D38999/26JH53SA

7320K3 96 - 1004 - 32 ES205EGMD

96 - 4A - 32 ES205EGMD

7320K5 96 - 1004 - 30 ES205EGMD

96 - 4A - 30 ES205EGMD

7320MT1 79 - 05 - 1 222-375-077-125

7320S1 95 - 07 - 16 32520-006

96 - 04 - 15 32520-006

7320S2 95 - 07 - 16 32520-006

96 - 04 - 15 32520-006

7320S3 95 - 07 - 11 M5594/6-1E

96 - 04 - 3 M5594/6-1E

7320S4 95 - 07 - 17 32520-007

96 - 04 - 18 32520-007

7320S9 79 - 05 - 3 222-060-096-107

7320XK3 96 - 1004 - 62 SLDE205B11A1

96 - 4A - 62 SLDE205B11A1

7320XK5 96 - 1004 - 63 SLDE205B11A1

96 - 4A - 63 SLDE205B11A1

7330J1 96 - 07 - 357 D38999/20JE35SN

7330J1CP1 96 - 07 - 358 319H111XN17

7330J1CP4 96 - 07 - 359 M85049/93-08

7330J1CP5 96 - 07 - 360 20-108-1

7330J2 96 - 07 - 384 D38999/20JD35SN

7330J2CP1 96 - 07 - 385 319H111XN15

7330J2CP4 96 - 07 - 386 M85049/93-06

7330J2CP5 96 - 07 - 387 20-108-1

8010CB3 96 - 08 - 7 MS26574-7-1/2

8010CB4 96 - 08 - 67 MS26574-7-1/2

8010CB5 96 - 34 - 5 MS26574-5

8010CB6 96 - 34 - 5 MS26574-5

8010E1P1 71 - 08 - 25 MS3459W12S-3S

8010E2P1 71 - 08 - 25 MS3459W12S-3S

8010MG1 71 - 05 - 1 206-062-200-143

71 - 06 - 1 206-062-200-141

8010MG2 71 - 05 - 1 206-062-200-143

71 - 06 - 1 206-062-200-141

8010S1 95 - 07 - 15 27ET51-T2

96 - 04 - 13 27ET51-T2

8010S2 96 - 34 - 2 32520-015

8010S2P1 96 - 33 - 14 25687-001

8010S3 96 - 34 - 1 32520-014

8010S3P1 96 - 33 - 8 25687-001

J1 26 - 02 - 2 30903962-1

26 - 03 - 2 30903962-1

J2 26 - 02 - 3 30903963-1

26 - 03 - 3 30903963-1

ECCN EAR99 19 JUN 2009 Ref Des. 7


8010MG1

BHT-412-IPB-1

1-99-00 Rev. 9 18 JUN 2010 ECCN EAR99

1-23. ORDERING INSTRUCTIONS

WARNING

DO NOT USE PARTS ON COMMERCIALHELICOPTERS THAT HAVE BEENPREVIOUSLY USED ON MIL ITARYHELICOPTERS. PARTS MAY BEINSTALLED AS ORIGINAL EQUIPMENTON BOTH MILITARY AND COMMERCIALHELICOPTERS. THESE PARTS MAYHAVE A LOWER RETIREMENT LIFEAND/OR TIME BETWEEN OVERHAUL(TBO) WHEN USED ON MIL ITARYHELICOPTERS. ALSO CIRCUMSTANCESSURROUNDING THEIR USE MAY CALLFOR OPERATION OF MIL ITARYHELICOPTERS OUTSIDE OF THEAPPROVED MIL ITARY FL IGHTENVELOPE.

Order parts by part number and nomenclature asshown in the Illustrated Parts Breakdown (IPB). Do notorder by nomenclature alone.

When ordering parts, provide the model and SerialNumber (S/N) of the helicopter on the order to ensureshipment of the correct part. Clearly state the shippingaddress and any other pertinent information.

When ordering parts not manufactured by BellHelicopter Textron (BHT), provide the name of themanufacturer on the order and any other informationthat appears on the old part.

Orders for spare parts, unless otherwise directed byBHT, should be addressed to the following:

BHT reserves the right to supply substitute parts,interchangeable with the part ordered wherein designchanges, later specifications, conditions of supply, orproduct improvement make said substitutionnecessary.

1-24. NOTES ON TORRINGTON BEARINGS

Bearings referred to in this Illustrated PartsBreakdown (IPB) by Torrington's name, vendor code,and/or commercial catalogue part number weremanufactured by Torrington as catalogue bearings andwere not specifically manufactured by Torrington foruse in helicopter applications.

These bearings have been approved by BellHelicopter Textron (BHT) to BHT design requirementsfor the specified helicopter applications.

The helicopter applications for these bearings havenot been approved, authorized, or endorsed byTorrington.

1-25. ABBREVIATIONS AND ACRONYMS

Abbreviations and acronyms used throughout theIllustrated Parts Breakdown (IPB) are defined asfollows:

Bell Helicopter Textron Inc.

P.O. Box 482Fort Worth, TX 76101

USA

4PDT — Four Pole Double Throw

AC — Alternating Current

ACP — Audio Control Panel

AD — Airworthiness Directive

ADAHRS — Air Data and Attitude/Heading Reference System

ADC — Air Data Computer

ADF — Automatic Direction Finder

ADI — Attitude Direction Indicator

ADIU — Aircraft Data Interface Unit

ADMM — Aircraft Data Memory Module

ADS — Air Data System

AEO — All Engines Operative

A/F — Airframe

AF — Automatic Fixed

AFCS — Automatic Flight Control System

AGL — Above Ground Level

AL — Aluminium

ALT — Altimeter

BHT-412-IPB-1

1-99-0018 JUN 2010 Rev. 9 ECCN EAR99

AMLCD — Active Matrix Liquid Crystal Display

AMP — Ampere

AOG — Aircraft-On-Ground

ASB — Alert Service Bulletin

ASSY — Assembly

ATA — Air Transport Association

ATC — Air Traffic Control

ATCRBS — Air Traffic Control Radar Beacon System

AUX. or Aux. — Auxiliary

AVAIL — Availability

BAT — Battery

BHT — Bell Helicopter Textron

BIT — Built-In Test

BKR — Breaker

BL — Butt Line

BLHD — Bulkhead

BNC — Bayonet Neill-Concelman

BND — Bonded

bps — Bits per Second

BRG — Bearing

BRKT — Bracket

BS — Boom Station

BT — Butt Line

°C — Degrees Celsius

CAS — Crew Alerting System

CB — Circuit Breaker

CD — Compact Disc

CD-ROM — Compact Disc Read Only Memory

CF — Centrifugal Force

CFM — Cubic Feet per Minute

CG — Center of Gravity

CHFD — Course Heading Flight Director

CL — Center Line

CLP — Collective Lever Position

cm — Centimeter

COD — Collect On Delivery

COM — Communication

COMPT — Compartment

CONT or Cont

— Continuation

CPU — Central Processing Unit

CR&O — Component Repair & Overhaul Manual

CTR — Center

CYL — Cylinder

DC — Direct Current

DEG — Degree

DG — Directional Gyro

DH — Decision Height

DIA. or Dia. — Diameter

Dim. — Dimension

DISC — Disconnect

DISTR — Distribution

DME — Distance Measuring Equipment

DMITS — Diagnostic and Maintenance Information Transfer System

DMU — Diagnostic and Maintenance Unit

DOT — U.S. Department of Transportation

DPDT — Double Pole Double Throw

DPST — Double Pole Single Throw

DR — Door

D/S — Driveshaft

DSTN — Double-layer Super Twist Nematic

DU — Display Unit

DWG — Drawing

EADI — Electronic Attitude Direction Indicator

ECS — Environmental Control System

BHT-412-IPB-1

1-99-00 Rev. 10 16 MAY 2011 ECCN EAR99

ECU — Engine Control Unit

EDR — Electronic Data Recorder

EEC — Electronic Engine Control

EEPROM — Electrically Erasable Programmable Read Only Memory

e.g. — Exempli gratia (for example)

EHSI — Electronic Horizontal Situation Indicator

EICAS — Engine Indicating and Crew Alerting System

ELEC — Electrical

ELEV — Elevator

ELT — Emergency Locator Transmitter

EMF — Electromotive Force

ENG — Engine

EQUIP — Equipment

ET — Elapsed Time

EWIS — Electrical Wire Interconnection System

EXT — External

°F — Degrees Fahrenheit

FAA — Federal Aviation Administration

FADEC — Full Authority Digital Engine Control

FCC — Flight Control Computer

FIG — Figure

FM — Flight Manual

FMM — Fuel Management Module

FMS — Flight Management System

FMV — Fuel Metering Valve

FOD — Foreign Object Damage

FPI — Fluorescent Penetrant Inspection

FS — Fuselage Station

FT — Foot, Feet

FTG — Fitting

F/W — Firewall

FWD — Forward

GAG — Ground-Air-Ground

GAL — Gallon

GB — Gearbox

GEN — Generator

GND — Ground

GPS — Global Positioning System

GPS — Ground Proximity System

GPU — Ground Power Unit

GRCU — Generator Regulator Control Unit

GSE — Glideslope

GSE — Ground Support Equipment

GUI — Graphical User Interface

GVI — General Visual Inspection

GW — Gross Weight

Hp — Horsepower

HRS — Hours

HSI — Horizontal Situation Indicator

HSR — Historical Service Record

HTR — Heater

HUMS — Health and Usage Monitoring Systems

HYD — Hydraulic

IAS — Indicated Air Speed

IAS — Integrated Avionics System

IBIT — Initiated BIT

ICS — Intercommunication System

I.D. — Inner Diameter

IDENT — Identification

i.e. — Id est (that is)

IFR — Instrument Flight Rules

IGE — In-Ground Effect

IHM — Integrated Hydraulic Module

II — Installation Instruction

ILS — Instrument Landing System

BHT-412-IPB-1

1-99-0016 MAY 2011 Rev. 10 ECCN EAR99

IN. — Inch

INBD — Inboard

INSTL — Installation

INSTR — Instruction

I/O — Input/Output

IPB — Illustrated Parts Breakdown

ISA — International Standard Atmosphere

IWTS — Integrated Wire Termination System

KG or kg — Kilogram

KPA or kPa (ΔkPa)

— Kilopascal (differential)

kW — Kilowatt

L — Liter

LB(S) — Pound(s)

LBL — Left Butt Line (–)

LCD — Liquid Crystal Display

LCTN — Location

LDG — Landing

LED — Light Emitting Diode

L/HIRF — Lightning and High Intensity Radiated Frequency

LH(S) — Left Hand (Side)

LHE — Low Hydrogen Embrittlement

LIVE — Liquid Inertia Vibration Eliminator

LLS — Lightning Sensor System

LLS — Low Level Sensor

LOC — Localizer

LPS — Lighting Power Supply

LT — Local Time

LTF — Lead-The-Fleet

LRU — Line Replaceable Unit

LVDT — Linear Variable Differential Transducer

LWR — Lower

m — Meter

MAINT — Maintenance

MANF — Manifold

MAX or Max — Maximum

MECH — Mechanism

MEK — Methyl Ethyl Ketone

MEMS — Micro Electro-Mechanical Sensor

MFD — Multi-Function Display

MGT — Measured Gas Temperature

MID — Middle

MIN or Min — Minimum

MIN or Min — Minute

ml — Milliliter

MLG — Main Landing Gear

mm — Millimeter

MM — Maintenance Manual

MOD — Modification

MOP — Main Oil Pressure

MOT — Main Oil Temperature

M/R — Main Rotor

MSG-3 — Maintenance Steering Group – 3rd Task Force

MSI — Maintenance Significant Item

MTG — Mounting

N1 — Gas Producer Speed

N2 — Power Turbine Speed

N/A — Not Applicable

NAS — National Airspace System

NAV — Navigation

NDT — Non-Destructive Testing

NF — Output Shaft Speed

NG — Gas Producer Speed

NHA — Next Higher Assembly

NLG — Nose Landing Gear

NO. or No. — Number

NP — Power Turbine Speed

NR — Rotor Speed

BHT-412-IPB-1

1-99-00 Rev. 10 16 MAY 2011 ECCN EAR99

NVM — Non-Volatile Memory

OAT — Outside Air Temperature

O.D. — Outer Diameter

OEI — One Engine Inoperative

OGE — Out-of-Ground Effect

OPP — Opposite

OT — Other Traffic

OUTBD — Outboard

OVHD — Overhead

OZ — Ounce

PA — Proximate Advisory

PASS — Passenger

PAV — Pressure Adjustment Valve

PAX — Passenger

PBA — Pushbutton Annunciator

PC — Personal Computer

PCB — Printed Circuit Board

PDP — Power Distribution Panel

PFD — Primary Flight Display

PLA — Power Lever Angle

PLT — Pilot

PMM — Permanent Magnet Motor

P/N — Part Number

PNL — Panel

POS — Position or Positive

PRESS — Pressure

PSE — Product Support Engineering

PSI — Pound-force per Square Inch

PSI — Power Situation Indicator

PSID — Pound-force per Square Inch Differential

PSIG — Pound-force per Square Inch Gauge

PSR — Primary Surveillance Radar

PWA — Printed Wiring Assembly

PWR — Power

Q or QE — Engine Torque

QAD — Quick Attach-Detach

QC — Quiet Cruise

QT — Total Torque

QTY or Qty — Quantity

RA — Radar Altimeter

RAIM — Receiver Autonomous Integrity Monitoring

RAM — Random Access Memory

RBL — Right Butt Line (+)

RBY — Replaced by

RCCB — Remote Control Circuit Breaker

RCVR — Receiver

REF — Reference

REF DES — Reference Designator

RF — Radio Frequency

RGB — Red-Green-Blue

RH(S) — Right Hand (Side)

RID — Rotary Input Device

RIN — Retirement Index Number

RMS — Roughness Measurement System

ROM — Read Only Memory

ROT — Rate of Change

RPL — Replaces

RPM — Revolutions Per Minute

RS-232 — Recommended Standard 232

RTA — Receiver Transmitter Antenna

RTD — Resistance Temperature Detector

RVDT — Rotary Variable Differential Transducer

SAR — Search and Rescue

SCAS — Stability and Controllability Augmentation System

SDR — Service Difficulty Report

SEL — Selector

SI — Service Instruction

BHT-412-IPB-1

1-99-00

ECCN EAR99

S/N — Serial Number

SPECTOOL — Special Tools

SPI — Special Position Identification

SPM — Standard Practices Manual

SPRT — Support

SPST — Single Pole, Single Throw

SRM — Structural Repair Manual

SSR — Secondary Surveillance Radar

STA — Station

STA — Supplement Type Approval

STC — Supplement Type Certificate

STNCL — Stencil

SYS — System

TA — Traffic Advisory

TACH — Tachometer

TB — Technical Bulletin

TBO — Time Between Overhaul

TCA — Time to Closest Approach

TCA — Transport Canada Aviation

TCAS — Traffic Collision Avoidance System

TEMP — Temperature

TERM — Terminal

TIR — Total Indicated Runout

TIR — Total Indicator Reading

TIS — Traffic Information System

TNC — Threaded Neill-Concelman

TOC — Table of Contents

T/R — Tail Rotor

TR — Temporary Revisions

UHF — Ultra High Frequency

UPR — Upper

U.S. — United States

USB — Universal Serial Bus

USBL — Usable

USG — U.S. Gallon

UTC — Coordinated Universal Time

VAC — Volts of Alternating Current

VDC — Volts of Continuous Current

VFR — Visual Flight Rules

VHF — Very High Frequency

VNE — Never Exceed Speed

VOR — VHF Omnidirectional Range

VOX — Voice Operated Squelch

VRLA — Valve Regulated Lead-Acid

VS — Vertical Speed

VSWR — Voltage Standing Wave Ratio

WAAS — Wide Area Augmentation System

W/C/A — Warning/Caution/Advisory

WD — Wiring Diagram

WECU — Wiper Electronic Control Unit

WL — Water Line

WMS — WAAS Master Station

WOG — Weight On Gear

WRG — Wiring

WRS — Wide Area Reference Stations

WSHLD — Windshield

WXR — Weather Radar

XCVR — Transceiver

XMSN — Transmission

XPDR — Transponder

16 MAY 2011 Rev. 10 /18

412-IPB-CH01.pdf

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