MD Helicopters 369 Series Basic Handbook Of Maintenance Instructions
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MD Helicopters 369 Series Basic Handbook Of Maintenance Instructions

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CSP−HMI−2, Handbook of Maintenance Instructions
Manual:
369D/E/FF − 500/600N Helicopters
Models:
Issued:
31 October 1990
Revision 34:
21 August 2003
FILING INSTRUCTIONS:
(1) Before inserting this change, ensure the manual is current.
Check the existing List of Effective Pages in the manual to ensure all prior revisions are inserted.
(Do not insert this revision if prior revisions are not inserted).
(2) Incorporate this change by removing old pages and inserting new pages as indicated below.
Remove Pages
Cover/Title
CRi/(CRii blank)
1 and 2
TR 03–001
TR 03–002
A thru H
CONTENTS
iii and iv
BULLETINS
7 and 8
Chapter 04
i/(ii blank)
04–00–00
1 thru 14
Chapter 05
i/(ii blank)
05–00–00
1 and 2
05–10–00
1 and 2
05–20–00
1 thru 12
05–20–10
1 thru 4
05–20–20
1 thru 4
05–50–00
9/(10 blank)
Chapter 06
i/(ii blank)
Insert Pages
Cover/Title
CR
CRi and CRii
TR
1 and 2
LOEP
None
None
A thru J
iii and iv
7 and 8
i and ii
1 thru 14
i and ii
1 and 2
1 thru 4
1 thru 12
1 thru 4
1 thru 6
9 and 10
i and ii
369/500/600 Series
Remove Pages
06–00–00
211/(212 blank)
12–00–00
303 and 304
18–10–00
501 and 502
18–10–60
501 and 502
18–20–00
201 thru 204
Chapter 20
i and ii
20–30–00
None
28–00–60
405 thru 408
32–10–60
403 and 404
Chapter 53
iii thru vi
53–30–30
201 thru 206
53–40–30
205 thru 210
53–50–30
205 thru 211/(212 blank)
62–10–00
809 and 810
62–20–00
801 and 802
813 thru 816
62–20–60
605 and 606
HMI Revision
Insert Pages
211 and 212
303 and 304
501 and 502
501 and 502
201 thru 204
i and ii
203 thru 206
405 thru 408
403 and 404
iii thru vi
201 thru 210
205 thru 212
205 thru 212
809 and 810
801 and 802
813 thru 816
605 and 606

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  • Page 1 369/500/600 Series HMI Revision CSP−HMI−2, Handbook of Maintenance Instructions Manual: 369D/E/FF − 500/600N Helicopters Models: Issued: 31 October 1990 Revision 34: 21 August 2003 FILING INSTRUCTIONS: (1) Before inserting this change, ensure the manual is current. Check the existing List of Effective Pages in the manual to ensure all prior revisions are inserted. (Do not insert this revision if prior revisions are not inserted).
  • Page 2 369/500/600 Series HMI Revision Remove Pages Insert Pages Remove Pages Insert Pages Chapter 67 805 and 806 805 and 806 ix and x ix and x 809 thru 814 809 thru 814 67–10–00 63–10–00 503 thru 508 503 thru 508 409 thru 412 409 thru 412 67–20–10...
  • Page 3 Basic Handbook of Maintenance Instructions (CSP–HMI–2) SERVICING AND MAINTENANCE MD Helicopters, Inc. 4555 East McDowell Road Mesa, Arizona 85215–9734 Issued: 31 October 1990 Copyright E 1999−2003 by MD Helicopters, Inc. All rights reserved under the copyright laws. Revision No. 34: 21 August 2003...
  • Page 4 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.
  • Page 5 (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...
  • Page 6 This Page Intentionally Left Blank Page CRii...
  • Page 7 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL MD HELICOPTERS INC. RECORD OF TEMPORARY REVISIONS MANUAL TITLE: CSP−HMI−2 MAINTENANCE MANUAL REV. DATE DATE REV. DATE DATE INSERTED REMOVED INSERTED REMOVED 02–001 Removed by Incorporating 02–002 Revision 32 03–001 Removed by Incorporating 03–002...
  • Page 8 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 2 Revision 32...
  • Page 9 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL LIST OF EFFECTIVE PAGES INSERT LATEST CHANGE PAGES, DESTROY SUPERSEDED PAGES The highest revision number indicates pages changed, added or removed by the current change. Date of original and revised pages are: Original ....
  • Page 10 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision CHAPTER 05 10–10–00 i and ii Revision 34 201 thru 204 Revision 23 10–20–00 05–00–00 201 thru 203/(204 blank) Revision 23 1 and 2 Revision 34 10–30–00 05–10–00 201 thru 206...
  • Page 11 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision 901 thru 908 Revision 23 18–20–00 Revision 34 25–30–00 202 and 203 Revision 23 201 thru 214 Revision 23 Revision 34 25–40–00 205 and 206 Revision 23 201 thru 207/(208 blank) Revision 23 18–20–30...
  • Page 12 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision 201 and 202 Revision 32 603/(604 blank) Revision 22 401 thru 405 Revision 19 801 thru 803/804 blank) Revision 19 406 and 407 Revision 34 32–40–00 408 thru 422 Revision 19...
  • Page 13 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision Revision 22 62–20–60 Revision 19 401 and 402 Revision 20 205 thru 212 Revision 34 Revision 27 53–50–10 404 and 405/(406 blank) Revision 20 201 and 202 Revision 19 601 and 602...
  • Page 14 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision Revision 28 807 thru 809 Revision 29 Revision 22 63–10–00 63–22–00 401 thru 403 Revision 20 201 thru 204 Revision 20 404 and 405 Revision 27 401 thru 413/(414 blank)
  • Page 15 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision Revision 21 607 thru 610 Revision 28 801 thru 813 Revision 21 64–30–00 814 and 815 Revision 31 201 thru 204 Revision 21 205 thru 207 Revision 34 Revision 21...
  • Page 16 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision 71–00–00 71–30–00 1/(2 blank) Revision 22 1 and 2 Revision 22 401 thru 405 Revision 22 101 thru 103/(104 blank) Revision 22 Revision 30 401 thru 412 Revision 22 407 thru 411...
  • Page 17 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Page Revision Page Revision 901 thru 903/(904 blank) Revision 23 Revision 29 Revision 34 CHAPTER 91 i/(ii blank) Revision 29 Revision 29 Revision 34 91–00–00 Revision 23 15 thru 18 Revision 29 2 thru 10...
  • Page 18 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page J LOEP Revision 34...
  • Page 19 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 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 ..........
  • Page 20 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Section Title 369D 369E 369FF 500N 600N STANDARD PRACTICES 20–10–00 Torque ..........
  • Page 21 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. ACTIVE SERVICE BULLETINS (Cont.) 369D 369E 369F 500N 600N SUBJECT DATE 013R1 Low Fuel Level Warning Light 4–15–98 090R1 077R1 017R1 014R1 Socket Contact Assembly Inspection 9–25–98 015 Engine Fuel Control Box Replacement 4–23–99...
  • Page 22 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 4. Cancelled or Superceded Service 5. Scope Information Notices The following is an explanation of how to read Table 2. (1). Table 2 a list of Service Information Notices that have been cancelled or (1).
  • Page 23 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS Para/Figure/Table Title Page 04−00−00 Airworthiness Limitations ..........
  • Page 24 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page This Page Intentionally Left Blank Page ii 04 Contents Revision 34...
  • Page 25 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.
  • Page 26 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL REVISION: DATE FAA SIGNATURE AND DATE TR 94–002 October 24, 1994 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:...
  • Page 27 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL REVISION: DATE FAA SIGNATURE AND DATE 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 Revision 29:...
  • Page 28 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 4 04−00−00 Revision 34 FAA APPROVED...
  • Page 29 MD Helicopters, Inc CSP−HMI−2 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...
  • Page 30 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL For external lift operators, an external 4. Retirement Index Number (RIN) load is recorded as two (2) TE’s (pick− (1). A Retirement Index Number (RIN) is a up and drop−off). number that accounts for different...
  • Page 31 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Airworthiness Limitations Schedule Finite Life Mandatory Component Part Number Model Hours Inspection Hours Main Rotor System Blade assembly, main rotor 369D/E(5)(6) 369D21100 ( )( ) 3530 (37) 25 (11)(20) 369D21100–516 3530 (37) 100 (20) 369D21100–517...
  • Page 32 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Airworthiness Limitations Schedule (Cont.) Finite Life Mandatory Component Part Number Hours Inspection Model Hours Retention strap assembly, main rotor hub 369D 369D21210 2770 369D21210–501 2770 369E/F/FF 369D21210–501 2770 500/600N 369D21210–501 2770 Bolt – lead–lag hub, main rotor...
  • Page 33 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Airworthiness Limitations Schedule (Cont.) Finite Life Mandatory Component Part Number Hours Inspection Model Hours Coupling, main transmission drive shaft 369D/E/F/FF 369H5660 4300 500N 369H5660 3200 Overrunning clutch assembly 369D/E/F/FF 369F5450–501 On Cond.
  • Page 34 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Airworthiness Limitations Schedule (Cont.) Finite Life Mandatory Component Part Number Hours Inspection Model Hours Retention strap assembly, tail rotor 369D/E/F 369A1706 5100 369FF 369A1706–507 5100 369A1706–509 5100 Blade assembly, NOTAR fan 500N 500N5310–15...
  • Page 35 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Airworthiness Limitations Schedule (Cont.) Finite Life Mandatory Component Part Number Hours Inspection Model Hours Horizontal stabilizer assembly 369D (12) 369D23601 7700 369E (12) 421–087–505 7700 421–087–905 (13) 7700 369F/FF (12) 421–087–503 7700 421–087–903...
  • Page 36 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Airworthiness Limitations Schedule (Cont.) Finite Life Mandatory Component Part Number Hours Inspection Model Hours Stabilizer support, utility float 369D/E 369D292036 3190 369DSK66 3190 NOTES: (1) Life–limited components interchanged between models or configurations must be restricted to the lowest service life indicated for the models or configurations affected.
  • Page 37 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (10) For helicopters equipped with a cargo hook, inspect overrunning clutch sprag assembly P/N 369D25351, clutch inner race P/N 369A5353 and outer race 369A5352 every 300 hours (Ref. C.O.M., Sec. 63–10–10, Overrunning Clutch Sprag Inspection (300 Hour)). To establish time in service, either clutch total time with hook attached or a separate and permanent log of external load operating time per CFR 91.417, may be...
  • Page 38 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (28) Log all landings: Brace life is limited to 35400 logged landings or 5900 hours flight time if landing are not logged (assumed six landings per one hour of flight time). (29) Log all landings: Strut life is limited to 4170 logged landings or 696 hours flight time if landing are not logged (assumed six landings per one hour of flight time).
  • Page 39 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS Para/Figure/Table Title Page 05−00−00 Continued Airworthiness ..........
  • Page 40 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page This Page Intentionally Left Blank Page ii 05 Contents Revision 34...
  • Page 41 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CONTINUED AIRWORTHINESS CHECKS/INSPECTIONS ness and may be accomplished in 1. General Description of Inspections combination with a 100−hour inspec The following Continued Airworthiness tion. Sections specify inspections and other mainte NOTE: nance required under the Federal Aviation...
  • Page 42 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL tain records of aircraft maintenance, that all required documentation be inspections and repairs. This includes, reviewed and revised as necessary but is not limited to, Airworthiness during regular inspections, mainte Directives, Manufacturers Notices, nance and operation of the helicopter.
  • Page 43 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CONTINUED AIRWORTHINESS COMPONENT OVERHAUL/RECOMMENDED REPLACEMENT 1. Component Overhaul or Recommended Neither the assignment of an airworthiness Replacement Schedule life to a component nor failure to assign an airworthiness life constitutes a warranty of Table 1 is the Overhaul Schedule. The listed any kind.
  • Page 44 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (5) Under some operating conditions, overrunning clutch splines may need to be regreased more often than at the 100–hour intervals and bearings may need to be regreased more often than at the 300–hour intervals.
  • Page 45 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 2. Component Recommended Replacement Schedule Component (1) Model Part Number (2) Hours Tail rotor swashplate (duplex) bearings 369D/E/FF 369D21832 On Cond. (3)(9) Fan support bearing 500/600N 500N5364 2400 (8)(9) Pitch plate bearing 500/600N...
  • Page 46 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 4 05−10−00 Revision 34...
  • Page 47 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CONTINUED AIRWORTHINESS 100–HOUR OR ANNUAL INSPECTION CHECKLIST NOTE: 1. 100–Hour or Annual Inspection D The Chap/Sect column of the following table is for reference unless a specific in This check sheet is designed to be used when spection requirement is called out.
  • Page 48 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial Fuselage upper surfaces for: Damage and condition. Mast base drain holes clean and free of debris (blow air thru holes to ensure no clogging).
  • Page 49 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial 500/600N Thruster cones and tip cap (500N only) for damage and security. Inspect 53–40–30 for wear between thruster cones and tailboom at points of contact.
  • Page 50 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial LANDING GEAR Landing gear skid tubes and fairings for: Wear and damage in excess of permissible limits.
  • Page 51 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial NOTE: With main rotor blades stationary, some friction drag is felt in the cyclic. The collective also has some drag, plus resistance of the collective bungee spring.
  • Page 52 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial Entire trailing edge and tabs for nicks, scratches and cracks generating from 62–10–00 trailing edge (Ref. Main Rotor Blade Inspection).
  • Page 53 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial NOTE: Normal seal drag may be sufficient to rotate engine at low rpm. 369D/E/FF With 369A5350 overrunning clutch installed, regrease clutch splines.
  • Page 54 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial 369D/E/FF Tail rotor blades for: 64–10–00 Evidence of damage, including leading edges, trailing edges, skin.
  • Page 55 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial WARNING: Do not leave pitot heater ON for more than one minute during next check; severe burns to personnel may result.
  • Page 56 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 100–Hour or Annual Inspection (Cont.) Registration No. Serial No. Helicopter Hours Torque Events Model Requirement Chap/Sect Initial AFTER INSPECTION Touch–up all damaged paint and exterior markings, as necessary. Ensure all fluid levels are correct; service as required.
  • Page 57 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 2. Permanent Record of Retirement Index Numbers/Torque Events Component Part No. Serial No. Hours TE’s RIN’s Signature Page 11 05−20−00 Revision 34 Form HOE005 (Rev 8/03)
  • Page 58 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 12 05−20−00 Revision 34 Form HOE005 (Rev 8/03)
  • Page 59 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CONTINUED AIRWORTHINESS 300–HOUR INSPECTION CHECKLIST NOTE: 1. 300–Hour Inspection D The Chap/Sect column of the following table is for reference unless a specific in This check sheet is designed to be used when spection requirement is called out. If...
  • Page 60 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 300–Hour Inspection (Cont.) Registration No. Serial No. Helicopter Hours Model Requirement Chap/Sect Initial 500/600N Inspect S.A.S. system for: Actuator for security and damage (no damage allowed). Wiring for condition and security (no wire chaffing, fraying or insulation cracking allowed).
  • Page 61 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 300–Hour Inspection (Cont.) Registration No. Serial No. Helicopter Hours Model Requirement Chap/Sect Initial 369D/E/FF Check shaft damper for proper friction drag. Inspect damper for damage and 63–15–10 security (Ref. Tail Rotor Drive Shaft Damper Inspection).
  • Page 62 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. 300–Hour Inspection (Cont.) Registration No. Serial No. Helicopter Hours Model Requirement Chap/Sect Initial ENGINE COMPARTMENT Inspect starter/generator for: Condition of brushes, electrical connections and commutator. Screens for clogging. Condition of O–ring on drive spline.
  • Page 63 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CONTINUED AIRWORTHINESS SPECIAL INSPECTIONS NOTE: 1. Special Inspection Hourly and Calendar D The Chap/Sect column of the following This table is a schedule of time−phase inspec table is for reference unless a specific in tions that are contingent upon elapsed flight spection requirement is called out.
  • Page 64 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Special Inspections Hourly (Cont.) Model What to Inspect Chap/Sect EVERY 25 HOURS WITH 1 FAILED LAMINATES IN MAIN ROTOR STRAP ASSEMBLY 600N Inspect in accordance with Main Rotor Strap Pack Lamination Inspection at 25–hour 62–20–60...
  • Page 65 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Special Inspections Hourly (Cont.) Model What to Inspect Chap/Sect NOTE: The following inspection does not apply to 369D25100–505 and –507 transmissions. 369D/E/FF Visually inspect upper surface of main transmission output shaft assembly (ring gear 63–20–00...
  • Page 66 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Special Inspections Hourly (Cont.) Model What to Inspect Chap/Sect 600N Clean, inspect and relubricate (repack) main rotor swashplate bearings. 62–30–60 EVERY 2770 HOURS OR 2 YEARS (WHICHEVER OCCURS FIRST) 369D/E/FF Clean, inspect and relubricate (repack) main rotor swashplate bearings and main rotor 62–20–00...
  • Page 67 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 2. Special Inspections Calendar Model What to Inspect Section (DAILY) BEFORE FINAL SHUTDOWN IN CORROSIVE ENVIRONMENT It is recommended that before shutdown from the last flight of the day, for helicopters 20–40–00 operating in a corrosive environment, a Tri–Flow wash be preformed on the main rotor hub and strap pack assembly (Ref.
  • Page 68 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 6 05−20−20 Revision 34...
  • Page 69 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Conditional Inspections (Cont.) Model Requirement Chap/Sect Perform a ground run operational check on the aircraft. Functionally check the flight control system, and all avionics, electrical, lighting, communication, and navigation systems. Repair any damage and replace damaged components as required.
  • Page 70 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 10 05−50−00 Revision 34...
  • Page 71 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS Para/Figure/Table Title Page 06−00−00 Dimensions and Areas ..........
  • Page 72 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page This Page Intentionally Left Blank Page ii 06 Contents Revision 34...
  • Page 73 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 15.00 100.00 83.00 14.00 0.00 FORWARD JACK POINT JACK POINT JACK POINT 338.36 P.STA 18.76 96.90 124.00 168.66 303.30 30 IN. 78.50 P.STA P.STA 0.00 0.00 30.00 6G06−004B Figure 209. Fuselage Station Diagram – Model 600N Page 211 06−00−00...
  • Page 74 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL L137, R137 L153, R153 L167, R167 L166, R166 L158, R158 G06–0008 Item No. Name Permits Access To Qty. Type L137 Plug Left forward upper longeron Plug Button R137 Plug Right forward upper longeron Plug Button...
  • Page 75 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (2). Place suitable container under engine (1). Drain oil from engine, oil tank and oil oil tank drain and remove engine oil cooler (Ref. Engine Oil System Drain tank filler cap. ing). (2). Replace engine oil filter(s) (Ref. Appli (3).
  • Page 76 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL BATTERY ELECTROLYTE WATER MAIN XMSN FILLER MIL−L−23699/SHC 626 NOTE 1 EXTERNAL POWER RECEPTACLE ONE−WAY LOCK RESERVOIR MIL−H−5606 FUEL FILTER 5 MICRON FUEL CELL SUMP DRAIN L/G DAMPERS, 4 PLACES FUEL SYSTEM FILLER ENGINE OIL TANK FILLER NITROGEN/MIL−H−5606...
  • Page 77 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL MAIN ROTOR TRACK AND BALANCE ADJUSTMENT/TEST 1. Blade Tracking Procedure TIP PATH PLANE Table 501 is a summary of the sequence of required procedures for blade tracking. (1). Install strobe light, blade tip cap IMAGE A: ALL BLADES IN TRACK reflectors and related equipment.
  • Page 78 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL during stabilized autorotation flight and adjusting rpm to specified limits as Special Tools necessary. Autorotation rpm check (Ref. Section 91–00–00) must be accomplished to ensure that Item Nomenclature track adjustments do not alter rotor...
  • Page 79 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL MAIN ROTOR TRACK AND BALANCE (600N) ADJUSTMENT/TEST 1. Blade Tracking Procedure TIP PATH PLANE Table 501 is a summary of the sequence of required procedures for blade tracking. (1). Install strobe light, blade tip cap IMAGE A: ALL BLADES IN TRACK reflectors and related equipment.
  • Page 80 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL during stabilized autorotation flight sometimes E, are used for tracking at higher and adjusting rpm to specified limits as airspeeds. Zone B is used to supplement zone necessary. Autorotation rpm check A track correction when maximum tab (5 must be accomplished to ensure that degrees) has been applied to zone A;...
  • Page 81 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL TAIL ROTOR BALANCE MAINTENANCE PRACTICES 1. Tail Rotor Balancing procedure. Tail rotor balance spare kit contains extra tip weights and screws. Special Tools (2). Install combination of weights required. (Ref. Section 91–00–00) Maximum weight permitted is thirty−...
  • Page 82 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (a). Chordwise weight shift resulting (6). Initially balance the tail rotor until from each 0.001 inch (0.0254 mm) of vibration level is 0.1 IPS (0.85 MIL) or spacing thickness transferred less as follows: reduces weight requirement at (a).
  • Page 83 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (0.85 MIL) vibration or less, using same assembly and balance the tail rotor method as used for inboard blade assembly. balancing, except as shown in (3). After balancing the tail rotor assembly, Figure 204.
  • Page 84 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL ACCELEROMETER/VELOMETER FOR TAIL ROTOR BALANCING. INSTALL ON BREATHER PLUG OF TAIL ROTOR GEAR BOX TAPE SECURE UNDER LATCH REFLECTIVE TAPE KIT LOCATION FOR TAIL 28VDC POWER CABLE ROTOR BALANCING TO AUXILIARY OUTPUT RECEPTACLE BALANCE WASHERS...
  • Page 85 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS Para/Figure/Table Title Page 20−10−00 Torque ..............

  • Page 86: Table Of Contents

    MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page B. Main Rotor Blade Paint Application ........

  • Page 87: Main Rotor Blade Paint Application

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 4. Main Rotor Blade Paint CAUTION D When sanding paint from the main rotor The following procedures is to be used whenev er the main rotor blades require either blade, take care to not damage rivet heads repainting or paint touch−up.

  • Page 88: Tail Rotor Blade Paint

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (6). Apply primer (CM318) to sanded areas, When removing paint from tail CAUTION feather into surrounding color coat. rotor blade, do not use any paint remover. Bonding agents used in manufac (7). Allow to air−dry for one hour minimum.
  • Page 89 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: NOTE: D Working life of mixed primer is four hours D Working life of mixed paint is four hours maximum. maximum. D Primer allowed to stand for more than D Addition of freshly mixed primer to re two hours must be stirred or shaken be plenish an older mixture is not permitted.
  • Page 90 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 206 20−30−00 Revision 34...
  • Page 91 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (7). Connect motive flow fuel hose assembly (a). Remove right side floor panels from between Sta 124.00 bulkhead and fuel passenger/cargo compartment floor. tank access cover. Torque hose assem (b). Remove bonding jumpers then bly 55 −...
  • Page 92 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (l). If applicable, remove fuel cell scav jamnut to 240 − 280 inch−pounds enge hose bracket assembly,bulkhead (27.12 − 31.64 Nm). union and fuel shutoff valve from fuel (d). Install support bracket to cover with cell cover.
  • Page 93 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL with washers and screws. Torque (1). Defuel helicopter. Drain remaining fuel screws to 20 − 25 inch−pounds (2.26 − from tank sump drain valve into a 2.82 Nm). suitable container. (2). Cap fittings and lines as required.
  • Page 94 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL WASHER BULKHEAD UNION ENGINE FEED HOSE SHUTOFF VALVE TO FIREWALL WASHER BULKHEAD REF. STA 113.85 UNION MOTIVE FLOW HOSE CARGO FLOOR SCREW FIREWALL TO FUEL CELL WASHER CLAMP CLAMP SCREW WASHER WASHER REF. STA 102.23...
  • Page 95 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL REF. AFT FOOT ASSEMBLY LANDING GEAR SKID ABRASION REF. FRONT FOOT ASSEMBLY STRIP ABRASION STRIP ABRASION STRIP ABRASION STRIP AFT BRACE ASSEMBLY AFT DAMPER ASSEMBLY FUSELAGE FRONT DAMPER FITTING ASSEMBLY AFT STRUT ASSEMBLY BONDING...
  • Page 96 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (b). Open underfloor compartment or 3. Landing Gear Skid Replacement engine compartment doors for access (Ref. Figure 401) to strut cutout in fuselage skin. Have an assistant push down on upper A. Landing Gear Skid Removal...

  • Page 97: Maintenance Practices

    MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Engine Air and Fan Inlet (Plenum Chamber Area) Inspection ....Figure 201. Upper Aft Section (500N) .
  • Page 98 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Tailboom Repair ............
  • Page 99 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Vertical Stabilizer Replacement ..........
  • Page 100 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Vertical Stabilizer Torque Tube Replacement ....... . .

  • Page 101: Engine Air And Fan Inlet (Plenum Chamber Area) Inspection

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL UPPER AFT SECTION FUSELAGE (500/600N) MAINTENANCE PRACTICES NOTE: For all the following items, refer to Sec. the engine plenum chamber area. With the 53−30−00. installation of a particle separator, ejector Upper Firewall outlets are positioned on each side of the Firewall and Plenum Chamber Panels plenum cover.
  • Page 102 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL FAN AIR INLET SCREEN ENGINE PLENUM AC CESS COVER INTAKE FAIRING AC CESS DOOR BYPASS DOOR INTAKE FAIR INGS COTTER BYPASS DOOR LATCH ASSEMBLY FAN HUB FAIRING AND TRANSMISSION COVER G53−3005A Figure 201. Upper Aft Section (500N) Page 202 53−30−30...
  • Page 103 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL ENGINE PLENUM ACCESS COVER ENGINE INLET SCREEN OR PARTICLE SEPARATOR FORWARD INLET FAIRINGS CONTROLS FAIRING PARTICLE SEPARATOR/ BYPASS DOOR FRAME MID UPPER STRUCTURE EXTENDED FUSELAGE ROOF BEAMS OF 600N MAST SUPPORT STRUCTURE 3040−−010101 3011−−010303 6G53−055...

  • Page 104: Upper Aft Section General Repair

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (6). Inspect aft section strut for rivets B. Upper Fuselage Controls Fairing corrosion and edge clearance where it Installation passes though cutout in forward panel. (1). Inspect upper fuselage controls fairing for cracks, delaminations and overall (7).

  • Page 105: Fan Hub And Transmission Cover Installation

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (2). Install hardware attaching plenum B. Fan Hub and Transmission Cover Installation cover to structure. (1). Inspect fairing for cracks and general 9. Tailboom Attach Fitting Inspection condition. (2). Install attaching hardware. (Ref. Figure 203) Inspect the upper left−hand and right−hand tailboom attach fittings,...

  • Page 106: Tailboom Attach Fitting Inspection

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 50N3422 TAILBOOM ATTACH FITTING (RIGHT SIDE SHOWN) 500N3429−6 ANGLE (RIGHT SIDE SHOWN) 6G53−103 Figure 203. Tailboom Attach Fitting Inspection Page 206 53−30−30 Revision 34...

  • Page 107: Lower Longeron Inspection (L158, R158)

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 10. Lower Longeron Inspection (L158, R158) 11. Forward Upper Longeron Inspection (L137, R137) (Ref. Figure 204) Inspect the lower left−hand and right−hand longerons as follows: (Ref. Figure 204) Inspect the foreword upper left−hand and right−hand longerons as follows: Consumable Materials (Ref.
  • Page 108 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL UPPER LONGERON, FWD (L137, R137) LOWER LONGERON (L158, R158) 0.75 IN. (19.05 MM) HOLE IN HOLE IN SKIN STA. 146.62 NOTE NOTE LOWER LONGERON UPPER LONGERON FWD (VIEW LOOKING DOWN) (VIEW LOOKING UP) NOTE: AREAS WHERE CRACKS ARE MOST LIKELY TO APPEAR.

  • Page 109: Control Tunnel (Fs 78.50) Beam Inspection

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (3). Using a mirror and bright light, inspect 12. Control Tunnel (FS 78.50) Beam Inspection tunnel beams, both sides, for cracks in the rivet area; no cracks allowed. (Ref. Figure 205) If cracks are found, contact MDHI field service department for repair instruc tions.
  • Page 110 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 210 53−30−30 Revision 34...

  • Page 111: Tailboom Installation

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (6). Install tailboom fairing. B. Tailboom Installation 3. Tailboom Inspection Before tailboom installation, in CAUTION spect radius blocks for brinnel (Ref. Figure 201) ing, corrosion and indication of indent on (1). Inspect tailboom exterior as follows: face;...

  • Page 112: Tailboom Repair

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 1.25 IN. (3.175 CM) CRACK LENGTH PERMISSIBLE 1.25 IN. (3.175 CM) CRACK LENGTH PERMISSIBLE 6G53−102A Figure 202. Tailboom Flap Inspection (g). Inspect horizontal stabilizer mount 2). No cracks allowed running cord− ing brackets (pay particular attention...

  • Page 113: Stator Removal

    6. Stator Blade Replacement (strap) for cracks and condition. (Ref. Figure 201, View E) NOTE: Refer to MD Helicopters Inc. Represen tative for structural repairs, cracks, etc. (1). Stator Blade Removal: Remove two self−locking screws and two surface 9. Stationary Thruster Cone Replacement washers.

  • Page 114: Stationary Thruster Cone Installation

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL the control rod passes through the have play, replace with new pins and thruster cone cutout. collars. (5). Inspect thruster aft support shaft for B. Stationary Thruster Cone Installation damage and wear. Check for play in (1).

  • Page 115: Conduit And Support Strap Rebonding

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL FS 263.916 CANT FS 168.200 CANT 0.000 0.000 APPLY ADHESIVE HERE 38°28′ 28°20′ TAILBOOM SUPPORT APPLY ADHESIVE APPLY HERE ADHESIVE HERE CONDUIT APPLY ADHESIVE HERE SECTION B−B SECTION A−A SECTION C−C LOOKING AFT LOOKING FORWARD 500N TAILBOOM SHOWN G53−4004A...

  • Page 116: N3500-5 Cover Installation

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: (1). Remove horizontal stabilizer (Ref. Sec. 53−50−30, Horizontal Stabilizer D Use HTS12−6−4/−5 pin rivets with Replacement). HTS1176DU−6AWU collars or alternate HTS48−6−4/−5 rivets with (2). Remove rotating thruster cone (Ref. HST2000−6AW collars. Rotating Thruster Cone Replacement).
  • Page 117 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: Slide cover in until aft end is flush with tailboom. D Use care to avoid damage to the fiber re inforcement. NOTE: Right edge of cover should be just to the D Metallic faying surfaces do not require right of the torque tube housing (8°...
  • Page 118 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 212 53−40−30 Revision 34...
  • Page 119 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (3). Install center access plate with seven 4. Horizontal Stabilizer Eye Bolt Replacement screws and washers. A. Horizontal Stabilizer Eye Bolt Removal 6. Vertical Stabilizer Inspection (1). Remove horizontal stabilizer. (Ref. Figure 201 and Figure 202) (2).
  • Page 120 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL GURNEY FLAPS RIGHT CONTROL ROD CONTROL ROD NOTE 1 NOTE: EXTRA WASHER BETWEEN RADIUS BLOCK AND SPACER. LEFT OPENING IN BELLCRANK ALWAYS FACES NOTE 2 CONTROL ROD OUTBOARD (LH AND RH SIDES). EARLY 600N SHOWN G53−5003−3B...
  • Page 121 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL TORQUE TUBE VERTICAL STABILIZER EXPANDABLE NON EXPANDABLE ELEMENTS ELEMENT THIN WASHER THIN WASHER THICK EXPANDABLE WASHER SPACERS (2) ELEMENTS EXPANDABLE DIAMETER BOLT INSTALLATION WASHER (OPTIONAL) COTTER PIN THICK WASHER WASHER BOLT SPACERS WASHER (OPTIONAL)

  • Page 122: Horizontal Stabilizer Repair

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (5). Connect YSAS actuator to vertical (8). Install bushing and locknut, hand stabilizer torque tube bellcrank. Torque tighten locknut and adjust to a nut to 30 − 40 inch−pounds (3.39 − 0.005−0.010 inch (0.127−0.254 mm) 4.52 Nm) and install cotter pin.

  • Page 123: Vertical Stabilizer Torque Tube Bushing Rework (Non-Bonded Bushings To Bonded Bushings)

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL In the following steps, care must (18). Install bellcrank on torque tube and CAUTION be taken to not damage the fi install expandable bolt; Torque to 30 − bers of the horizontal stabilizer. 40 inch−pounds (3.39 − 4.52 Nm) plus drag torque;...

  • Page 124: Vertical Stabilizer Torque Tube Bearing Race Replacement

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (7). Mix adhesive (CM402) according to manufacturers instructions. Apply Consumable Materials adhesive within 2 hours of cleaning. (Ref. Section 91–00–00) Item Nomenclature CM234 Solvent, dry−cleaning (8). Apply a thin uniform layer of adhesive CM318 Primer to faying surfaces.

  • Page 125: Stabilizer Troubleshooting

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (a). Locate a steel plate of approximately In the following step, ensure CAUTION 0.250 inch (6.35 mm) thickness. bearing race is not cocked on torque tube, this will cause non−repairable (b). Drill a 1.390 inch (35.306 mm) hole damage to bearing race and torque tube.
  • Page 126 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 212 53−50−30 Revision 34...
  • Page 127 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (4). Remove backing and apply stainless MEK is flammable. Use in WARNING steel abrasion tape to outboard leading well ventilated area and edge of main rotor blade as follows: away from open flame. (3). Clean areas to be sealed with clean (a).
  • Page 128 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 369A1116 TIP CAP SEAL WITH PR1436G, CLASS B−2 PR1422G, CLASS B SEAL WITH EC2216 B/A FROM L.E. TO 0.75 INCH (19.05 MM) DIM. ON T.E. RADIUS (UPPER AND LOWER SURFACE) 0.75 INCH 0.75 INCH (19.05 MM)
  • Page 129 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL MAIN ROTOR HUB REPAIRS (2). After smoothing (removal of all sharp or 1. Main Rotor Retention Strap Pack Repair raised edges) repair depth must not exceed 0.010 inch (0.254 mm) in any Consumable Materials area of housing except inner surfaces of (Ref.
  • Page 130 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 0.360 IN. (9.144 MM) MINIMUM WALL WIDTH AROUND LUG (NOTE 1) OUTBOARD LUG PITCH HOUSING OUTBOARD LUG 0.250 IN. (6.35 MM) MINIMUM LUG WIDTH (NOTE 1) INBOARD LUG 0.220 IN. (5.588 MM) MINIMUM LUG...
  • Page 131 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL LOWER SHOE PINS DROOP STOP PLUNGER DROOP STOP 0.007 INCH (0.1778 MM) FOLLOWER MAX. DEPTH (15 TO 1 (T−HEAD) RADIUS) AFTER REWORK COTTER DROOP STOP SNAP RING ROLLER SHAFT SPRING 15 TO 1 RADIUS DROOP STOP FOLLOWER −...
  • Page 132 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (4). Check bearing cup hub bore for scoring. 17. Main Rotor Hub Tapered Bearing Grease Repack, Inspection and Replacement Smooth out any roughness with grade 400−600 abrasive cloth (CM802). (Ref. Figure 805) Replace tapered roller...
  • Page 133 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL spacer) over mast. Rest spacer on top of pounds (1.13 − 1.69 Nm). This will be sleeve bushing. 1.5 − 3 pounds (0.681 − 1.362 kg) on spring scale used as in step (15). above.
  • Page 134 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (9). Apply surface primer (CM321) to room temperature or heat to 140° − mating surfaces of bearing and bores 160°F (60° − 72°C) for one hour. per manufacturer’s instructions. (13). As required, touch up bearing lug with NOTE: Do not allow primer to enter bearing.
  • Page 135 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL PLASTIC WOODEN OR PHENOLIC PROBE INSPECTION TOOL 0.125 INCH (3.175 MM) LEAD LEG LAMINATE HAS FAILED IF CRACK OCCURS ON BOTH LEAD AND LAG LEGS OF SAME LAMINATE. 0.250 INCH (6.35 MM) LAG LEG...
  • Page 136 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 601. Strap Pack Inspection Replace or Return Inspect Procedure (1) Acceptable Hub for Overhaul Outboard end. Visually. Use blunt nosed Failed laminates One or less per Two or more laminate wooden or phenolic probe (3).
  • Page 137 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL followers and provide maximum Consumable Materials clearance between striker plates and (Ref. Section 91–00–00) droop stop rollers. Item Nomenclature (2). If necessary, release retaining (snap) CM217 Isopropyl alcohol ring of each droop stop restrainer from its groove.
  • Page 138 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL LOWER SHOE DROOP STOP FOLLOWER (T−HEAD) PINS SNAP RING SPRING COTTER PIN DROOP STOP ROLLER DROOP STOP PLUNGER SCISSORS CRANK SHAFT ATTACH LUG BEARING ROTATIONAL DRAG 1.0 − 2.0 IN−LBS DROOP STOP FOLLOWER − INSTALLATION (0.113 −...
  • Page 139 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 2.875 INCH (7.3025 CM) OUTSIDE DIAMETER 0.50 INCH CUT OUT 12.7 MM) AFTER BEVELING 3.50 INCH (8.89 CM) OUTSIDE DIAMETER 11.0 INCH 3.875 INCH (27.94 CM) (9.8425 CM) 53° 5.75 INCH (14.605 CM) 3.375 INCH 0.375 INCH...
  • Page 140 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 7.0 INCH (17.78 CM) SQUARED 4.75 INCH (12.065 CM) 10.0 INCH (25.40 CM) SQUARED 0.75 INCH (19.05 MM) WOOD H62−2010−2 Figure 804. Tapered Bearing Tools – Main Rotor Hub (Sheet 2 of 2) (15). Install mast nut on mast using mast (b).
  • Page 141 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (c). When proper torque has been reached, disassemble and measure Consumable Materials thickness of the lead washer in the (Ref. Section 91–00–00) bearing seat area. Grind the Item Nomenclature 369A1224−3 spacer to the same...
  • Page 142 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (b). Restore chemical film protection (13). Hand−pack hub cavity, between sleeve where removed. bushing and hub, with grease (CM111). (c). Maximum diameter of hub bore for (14). Apply film of grease (CM111) on upper upper bearing cup (Ref.
  • Page 143 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (a). Install 369A1224−5 lead spacer in (1). Remove main rotor hub (Ref. Main place of the 369A1224−3 spacer. Rotor Hub Replacement). (2). Invert hub and place on work bench. (b). Place steel ring washer for retainer and locknut on the mast and gradual (3).
  • Page 144 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL SEAL DROOP SHIM WASHER (NOTE 4) (NOTE 6) SEAL RETAINER STRIKER STRIP PITCH PIVOT PIN SEALANT HOUSING UPPER BEARING CONE (NOTE 2) (NOTE 7) NOTE 1 UPPER BEARING CUP (NOTE 7) (NOTE 5) PITCH...
  • Page 145 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (3). For 369F5450 clutch installation: (b). Shim coupling to achieve 0.035−0.055 inch (0.889−1.397 mm) step above (a). Remove power output shaft cover clutch output shaft. plate from back of engine (Ref. Sec. When installing clutch coupling 01−00−00, Allison Engine Operation...
  • Page 146 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (c). Insert a long 3/8 inch (9.525 mm) hex (b). Install O−rings on 369F5469 wrench, approximately 10 inches (C30/C47 engine) or 369F5468 (C20 (25.4 cm) long, through tool and into series engines) bolt (Ref. Figure 404).
  • Page 147 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL D Do not use clutch coupling shims under seam orientated at the 6 o’clock position and secure with attaching hardware. transmission input coupling. Inside diam eter of clutch coupling shims, 1.260−1.270 inches (3.2004−3.2258 cm), is approxi 10.
  • Page 148 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Do not immerse Bendix flexible 12. Tail Rotor Drive Shaft Coupling CAUTION Replacement couplings in fluid or cleansers such as magnetic particle, fluorescent pene trant, visible dye etc. Do not apply corrosion A. Tail Rotor Drive Shaft Coupling Removal protection fluids unless coupling has been cleaned with solvent or detergent.
  • Page 149 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: For 369D25100 transmission installa The 0.010 inch (0.254 mm) mini CAUTION tion only; If equipped with 369D25626−11 mum measurement between the mount bracket, examine bolts securing bolt seating surface and the input shaft mount bracket to cooling blower assembly.
  • Page 150 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL TRANSMISSION INTERNAL INPUT COUPLING WRENCHING BOLT MOUNTING BRACKET 0.010 IN. (0.254 MM) MINIMUM (BETWEEN END OF SHAFT AND BOLT SEATING ON SURFACE ON COUPLING) MAIN SHIM TRANSMISSION (TYP, 2 PLCS) DRIVEN PULLEY MOUNTING ENGINE OIL...
  • Page 151 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL When installing pulley and (7). Coat threads of coupling bolt with CAUTION guard, ensure spring pin in anti−seize compound (CM112). pulley is fully engaged inside hole in pulley (8). Lubricate input shaft splines and guard.
  • Page 152 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NAS6604H8 BOLT NAS6604H8 BOLT (NOTES 1 AND 2) (NOTE 2) 369F5190−1 OIL COOLER FAN 369D25626 BRACKET FAN BRACKET NAS6604H7 BOLT (NOTE 3) 369F5193−1 SHIM NAS6604H6 BOLT (NOTE 3) 369F5138−1 PULLEY GUARD 359F5133−1 COUPLING 369F5137−1 PULLEY DRIVER 369F5160−1 BOLT...
  • Page 153 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL for gap between self−locking nuts and 3. Main Rotor Static Mast Replacement (369F5100 Transmission Installation) plate spacers. No gap is allowed. (5). If gap exists, remove nut and replace (Ref. Figure 202) with new self−locking nut. Torque bolts A.
  • Page 154 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: Chipping, orange peeling or flaking (e). Inspect for any corrosion, none paint will normally be at the base of the allowed. static mast tube. (f). Remove paint from bad areas and (7). Re−apply finish to mast internal bore...
  • Page 155 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page B. Retention Plate and Pitch Plate Resassembly ......
  • Page 156 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Tail Rotor Pitch Control Link Replacement ........
  • Page 157 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL ANTI–TORQUE ASSEMBLY FAULT ISOLATION 1. Tail Rotor Assembly quick−release pins on top of pedal arms and repositioning pedals. The tail rotor, mounted on the tail rotor transmission at the end of the tailboom, The two−bladed tail rotor assembly consists...
  • Page 158 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 101. Troubleshooting Tail Rotor and Vibrations Symptom Probable Trouble Corrective Action Tail rotor blades slightly out of Rebalance tail rotor assembly (Ref. High frequency vibration, primarily in pedals as a buzzing sensation. balance.
  • Page 159 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL TAIL ROTOR BLADES MAINTENANCE PRACTICES Scratches that do not exceed 0.020 inch 1. Tail Rotor Blades (0.508 mm) depth are permissible if Blades are cambered for high thrust to provide repaired. directional control at high altitude. Each (4).
  • Page 160 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL DRAIN OPENING BALANCE WEIGHT BLADE TIP CAP CLEAR LACQUER DRAIN OPENING ROOT FITTING TRUNNION CLEAR LACQUER O−RING WHITE CRUSH WASHER BUSHING BUSHING CRUSH WASHER BOLT 3.0 IN. (7.62 CM) RED 3.0 IN. (7.62 CM) WHITE BLADE 3.0 IN.
  • Page 161 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL AFT CONTROL TUBE (REF) SUPPORT SHAFT COTTER KEY WASHER FAN SUPPORT FAN SUPPORT ASSEMBLY BEARING (REF) BEARING HOUSING BEARING RETAINER RING WASHER BEARING SEAL BOLT (REF) WASHER BEARING LOCKWASHER SEAL SPACER PITCH LOCKNUT WASHER...
  • Page 162 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (1). Removal with Pneumatic Tool: Pneu (a). Insert the hex wrench tip of the matic tools may be used only on power driver into the wrenching fasteners in interference fit holes and cavity in the pin fasteners with aluminum collars.
  • Page 163 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: Ensure counterweight−to−pitch horn COUNTERWEIGHT index mark aligns correctly. All counter INDEX MARK weights are index the same. COUNTERWEIGHT (7). Align index mark on counterweight to match with mark on pitch horn and install into pitch horn.
  • Page 164 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL This Page Intentionally Left Blank Page 408 64−25−30 Revision 34...
  • Page 165 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL ANTI–TORQUE FAN INSPECTION/CHECK (c). Scoring; axial marks from bearing 1. Anti–Torque Fan Inspection installation or removal. Inspect the anti−torque fan for the following (d). Damaged spines; none allowed. conditions: (e). Corrosion and pitting. (1). All components for cracks, nicks, corrosion or excessive wear.
  • Page 166 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL leading edge and area around the pin (2). Any bulges or blisters over 0.10 inch near the outboard edge of blade. (2.54 mm) long in area of pin near outboard end of blade are reason for (a).
  • Page 167 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (6). Install washer and nut on end of the drag check. If drag exceeds three bolt that extends through pitch arm. pounds (13.4 N), remove pitch control Torque nut to 50 − 60 inch−pounds assembly and clean swashplate and (5.65 −...
  • Page 168 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (7). Check that hub−to−blade pitch arm 6. Tail Rotor Blade Stop Inspection clearance is 0.001−0.130 inch NOTE: Change of blade pitch angle when tail (0.025−3.302 mm). rotor is not rotating can produce audible snapping noise. Noise results as lamina (8).
  • Page 169 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: Since bearing wear usually occurs only at blade pitch control arm from displace Consumable Materials ment during operation, links can be re (Ref. Section 91–00–00) versed and continued in service until either Item Nomenclature or both bearings exceed wear tolerance.
  • Page 170 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: NOTE: For 4−Bladed tail rotor swashplates, The following procedure provides 100% holding block (ST608) will need to be modi grease fill. Normal grease fill is 20 to 40%. fied. Accomplish modification, or build new Excess grease will extrude past seals for block, as per Figure 207.
  • Page 171 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Fan Pitch Control Tube Replacement ........
  • Page 172 MD Helicopters, Inc CSP–HMI–2 MAINTENANCE MANUAL TABLE OF CONTENTS (Cont.) Para/Figure/Table Title Page Figure 501. Fan Pitch Control Rigging ........
  • Page 173 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL LONGITUDINAL PITCH IDLER NOTE 2 BOLT (HEAD LEFT), WASHERS, NUT, COTTER PIN MIXER RIGGING PLATE LONGITUDINAL PITCH LONGITUDINAL PITCH CONTROL MIXER MIXER BELLCRANK MIXER TRAVEL PITCH CONTROL ROD ELASTOMER RING ELASTOMER (NOTE 3) RING...
  • Page 174 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 0.75 IN. (19.05 MM) 0.75 IN. (19.05 MM) 1.22 IN. (30.988 MM) 0.48 IN. (12.192 MM) 0.79 IN. (20.066 MM) 0.74 IN. 1.22 IN. (18.796 MM) (30.988 MM) 0.43 IN. 2.25 IN. (10.922 MM) 0.74 IN.
  • Page 175 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL MIXER RIGGING PLATE MAST SUPPORT FITTING LONGITUDINAL PITCH IDLER BELLCRANK MAST SUPPORT BRACKET COLLECTIVE MIXER CONTROL ROD NOTE 1 MIXER RIGGING PLATE INITIAL RIGGING PLATE MEASUREMENT LONGITUDINAL PITCH MIXER BELLCRANK COLLECTIVE FRICTION GUIDE LINK...
  • Page 176 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL LONGITUDINAL FRICTION KNOB LONGITUDINAL MIXER FICTION GUIDE CONTROL ROD LINK (CYCLIC) LATERAL MIXER CONTROL ROD (CYCLIC) KNURLED THUMBNUT LONGITUDINAL RIGGING FIXTURE INSTALLATION LATERAL FRICTION FRICTION KNOB GUIDE LINK NOTE 2 LONGITUDINAL PITCH MIXER BELLCRANK...
  • Page 177 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL 1.05 IN. 0.75 IN. (19.05 MM) 0.75 IN. (19.05 MM) (26.67 MM) 0.48 IN. (12.192 MM) 1.05 IN. 0.83 IN. 0.79 IN. (20.066 MM) (26.67 MM) (21.082 MM) 2.25 IN. 0.37 IN (57.15 MM) (9.398 MM)
  • Page 178 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL COLLECTIVE FRICTION COLLECTIVE GUIDE RIGGING FIXTURE COLLECTIVE RIGGING FIXTURE INSTALLATION LONGITUDINAL FRICTION KNOB LATERAL FRICTION CYCLIC STICK GUIDE LINK LONGITUDINAL RIGGING FIXTURE CYCLIC STICK LATERAL RIGGING FIXTURE LONGITUDINAL FRICTION GUIDE LINK CYCLIC STICK LATERAL RIGGING FIXTURE INSTALLATION CYCLIC STICK LONGITUDINAL RIGGING FIXTURE INSTALLATION G67−1013...
  • Page 179 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (4). Slowly pull aft end of control rod and 2. Sta. 284 Bellcrank Replacement withdraw rod through opening in tail rotor transmission mounting frame. A. Sta. 284 Bellcrank Removal B. Tailboom Control Rod Installation (Ref.
  • Page 180 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL INITIAL CONTROL ROD LENGTH − BEFORE RIG STA. 95 BELLCRANK CONTROL DIMENSION L INCHES (CM) TUNNEL−ROUTED 57.95 (147.193) FLOOR−ROUTED 30.06 (76.3524) RIVET STA. 97.50 (TUN NEL−ROUTED) CON TROL ROD CONTROLS SUPPORT MAXIMUM ALLOWABLE LOOSE BRACKET NESS 0.040 IN.
  • Page 181 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTAR ANTI–TORQUE SYSTEM FLIGHT CONTROLS DESCRIPTION AND OPERATION 1. NOTAR Anti–Torque System Control a stability augmentation system (S.A.S.). Linkages Configuration and Description 2. Stability Augmentation System (1). The helicopter may be equipped with Description and Operation either of two basic configurations, single left−hand command or right−...

  • Page 182: Ysas)

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL console to alert the pilot in case of a YSAS failure. 3. 500NM7301 YSAS Fin Position Indicator (U.K. Only) (Ref. Table 1) The 500N helicopters sold in the United Kingdom come equipped with an indicating system to alert the pilot in case of a YSAS failure.
  • Page 183 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTAR ANTI–TORQUE SYSTEM FLIGHT CONTROLS REMOVAL/INSTALLATION 1. Anti–Torque Flight Controls 3. Forward Directional Control Tube Replacement NOTE: (Ref. Figure 401) D The NOTAR anti−torque control system A. Forward Directional Control Tube must be re−rigged after removal or re...
  • Page 184 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (4). Remove nut, washer, link assy. and A. Splitter Bungee Spring Removal spacer and disconnect intermediate (1). Using two pieces of wood and C−clamp control tube from gear pinion stud. or rope, secure pilots pedals in mid (5).
  • Page 185 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (b). Install AN960KD616L washer and (2). Remove bolt and clevis assembly at Sta. nut and torque to 95 − 110 inch− 137.50 bellcrank. Remove convoluted pounds (10.73 − 12.43 Nm); install boot from fan gearbox.
  • Page 186 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTE: In the following step, pin is to remain of three threads protruding beyond the depressed while nut is torqued. face of the jam nut. (b). While pin is depressed, install nut (12). Install two lockwires on jamnut and and torque to 40 −...
  • Page 187 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CABLE ASSY INTERMEDIATE TUBE ASSY SPLITTER ASSY FORWARD TUBE ASSY STA. 137.50 BRACKET STA. 137.50 BELLCRANK FAN PITCH CONTROL TUBE FLOATING BUSHING ROTATED LINK ASSY G67−2008−1D Figure 402. Upper Fuselage and Boom Control Linkage (Sheet 1 of 2) Page 407 67−20−30...
  • Page 188 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CLAMP STA. 304.00 MD500N STA. 123.30 FITTING SUPPORT BRACKETS STA. 131.50 AND 151.00 SUPPORT BRACKET AND CABLE ASSY. TAILBOOM STA. 264.00 STA. 303.30 MD600N RIGHT CONTROL ROD BELLCRANK CENTER BELLCRANK LEFT CONTROL ROD SHAFT...

  • Page 189: Inspection/Check

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL NOTAR ANTI–TORQUE SYSTEM FLIGHT CONTROLS INSPECTION/CHECK 1. Upper Fuselage and Tailboom Control (4). Inspect control rod fitting, torque tube mounting bracket and pedal mounting Linkage Inspection bracket for cracks and corrosion. Using (Ref. Figure 401)

  • Page 190: Splitter Bungee Spring Inspection (500N)

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (8). Inspect collar for wear in locking 5. Splitter Bungee Spring Inspection (500N) groove. (1). Inspect spring support bracket for loose (9). Inspect relieved area, at Sta. 123.30, rivets, loose screws, corrosion and between threads and swage for crack or cracks and general condition.
  • Page 191 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL FORWARD CABLE TAILBOOM FAIRING CENTER CABLE ASSY INSPECT TELESCOPIC SWIVEL END FOR CRACKS AND/OR TELECOPTIC SWIVEL SEPERATION FROM THRUSTER CABLE CONDUIT CAP TELESCOPIC SWIVEL END CONDUIT CAP 88_777 Figure 603. Control Cable Telescopic Swivel End Inspection Page 605 67−20−30...

  • Page 192: Sector Assembly, Control Cables And Drum Assembly Inspection

    MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (a). Fraying or corrosion; no fraying or 11. Sector Assembly, Control Cables and Drum Assembly Inspection corrosion allowed. (Ref. Figure 402) (b). Proper installation of turnbuckle safety clips. (1). Inspect sector assembly for: (c). Corrosion or cracking on turnbuckles;...
  • Page 193 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (11). Ensure slotted bushings are in place; (5). Cut lockwire and remove the four then fasten each link in pedal arm lugs screws that hold the seal housing and with bolt, two washers, nut and cotter splined housing.
  • Page 194 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (13). Using cotton swabs, remove grease (6). With belleville spring, spacer and shims from acme nut area. Be sure to reach (if installed) in place within end bore in into the cavity just beyond the acme motor housing, carefully assemble nut threads to remove grease deposits.
  • Page 195 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (2). Connect oil pressure gauge line to CAUTION firewall. D Do not use tubes or hoses as hand holds. (3). Connect engine oil vent line. Torque Do not allow engine to strike airframe or line nut to 120 −...
  • Page 196 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL ROTATED UPPER ENGINE MOUNT − INSTALLATION UPPER ENGINE MOUNT FITTING UPPER ENGINE MOUNT (REF. SEC. 71−20−00) SIDE ENGINE MOUNT ATTACH FITTING LANDING GEAR DAMPER FITTING (REF. SEC. 71−20−00) LOWER ENGINE MOUNT − INSTALLATION ENGINE FITTING...
  • Page 197 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (2). Install engine−mount washer and bolt. B. Lower–Aft Engine Mount Installation Torque bolt to 100 − 140 inch−pounds (250–C30/–C47) (11.30 − 15.82 Nm). (Ref. Figure 402) (3). Torque upper engine mount fitting hardware at firewall and landing gear CAUTION damper support to 30 −...
  • Page 198 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL (2). Install engine−mount washer and bolt. CAUTION Torque bolt to 220 − 360 inch−pounds (24.86 − 40.67 Nm); lockwire bolt. D Do not tighten airframe−mount bolts un til engine fitting−mount bolt is torqued. (3). Torque upper engine mount fitting hardware at firewall and landing gear D If a new engine−mount fitting has been...
  • Page 199 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL CHARTS CONSUMABLE MATERIALS AND SPECIAL TOOLS D CM601 − Rubber Material 1. General D CM701 − Lockwire, Fasteners and Tape This chapter provides a table of Consumable Materials and a table of Special Tools used on D CM801 −...
  • Page 200 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) Lubricants CM101 Solid film lubricant MIL−L−46010 CM102 Solid film lubricant MIL−L−46010A Ecoalube No. 642 MS27 CM103 Solid film lubricant MIL−L−8937...
  • Page 201 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM126 Oil, turbine (4) (5) MIL−L (PRF)−23699 CM127 Grease, YSAS Actuator 168043 MS90 Solvents, Cleaners and Corrosion Preventative Compounds...
  • Page 202 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM224 Soap paste P−S−560 CM225 Detergent, general purpose MIL−O−16791 CM226 Cleaning compound, alkaline MIL−C−25769 waterbase...
  • Page 203 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM310 Enamel, lusterless TT−E−527 CM311 Coating, logo white / Q881 (Color No. 484) / MS11 Thinner T−80695...
  • Page 204 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM409 Adhesive, epoxy MDM 16−1068 EA9330.3 MS21 ..CM410 Adhesive, epoxy MDM 16−1068...
  • Page 205 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM431 Sealing, locking and retaining MIL−S−22473 Loctite #85 or MS45 compound (single component, MIL−R−46082 RC/609...
  • Page 206 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM606 Rubber cement MIL−A−5092 CM607 Cement MIL−S−9117 EC−678 MS82 CM608 Cement Uniroyal #3230 MS80 CM609 Repair kit (non−self−...
  • Page 207 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM719 Tape, vinyl plastic #330 MS76 CM720 Tape and activator, vinyl Scotch Cal #45 MS86 Scotch Tite A−2...
  • Page 208 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 1. Consumable Materials (Cont.) Item Specification No. (1) Vendor Material Commercial Name/No. (2) Type Class Grade (Table 2) CM816 Solder (tin alloy, acid core) QQ−S−571 CM817 Brazing flux (paste) O−F−499 CM818 Brazing alloy (silver base)
  • Page 209 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Table 2. Manufacturer/Supplier Number Number Name Number Name Abrasive Cleaning Equipment MS13 Castrol Industrial North America Inc. 20122 State Rd. 1001– W. 31st St. Cerritos, CA 92701 Downers Grove, IL 60515 (630) 241–4000 Abrasives Unlimited (800) 621–2661...
  • Page 210 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Number Name Number Name MS25 E/M Corp. MS39 Insulectro Co. 100–T Cooper Circle 1410 W. Olympic Blvd. Peachtree City, GA 30269 Los Angeles, CA ( 770) 261–4800 MS40 Irwin–Hobson Co. MS26 EPD Industries Ninth and S.E. Woodward 2055 E.
  • Page 211 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Number Name Number Name MS52 Micro–Surface Finishing Products Inc. MS65 Raychem Corp. 1217 W. Third Street 305 Constitution Dr., Mailstop 103/2A P.O. Box 818 Menlo Park, CA 94025–1164 Wilton, IA 52778 (800) 926–2425 (319) 732–3240 (650) 361–3860...
  • Page 212 MD Helicopters, Inc CSP−HMI−2 MAINTENANCE MANUAL Number Name Number Name MS79 Turco Products, Inc MS86 3M Co. Division of Atochem North America Bldg. 223–N 2700 Temple Ave Suite B 3M Center Long Beach, CA 90806 St. Paul, MN 55144–1000 (562) 981–8307 (612) 733–1110...

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