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21-10 Ventilation

21-11 Nose Vent

Refer to R66 Illustrated Parts Catalog (IPC) Figures 21-1.

A. Removal

1. Remove hardware securing avionics face to F033-1 lower console and remove face.

Unscrew and remove radios. Remove hardware securing radio trays to lower console

and remove trays. Disconnect OAT wiring.

2. Refer to Figure 21-1. Remove screws attaching upper console to lower console and

hinge console aft. Protect instrument face with foam support or equivalent.

3. Remove and discard cotter pin securing clevis pin and C522-5 (air vent) control inner

wire to C062-1 vent box assembly channel. Remove and retain clevis pin.

4. Remove hardware securing AN742-3 clamp and control housing to vent box angle.

5. Cut and discard ty-rap securing control housing to lower console angle.

6. Remove screws securing C365-13 mount assembly to lower console and remove

control. As required, remove MS35489-4 grommet and clamp; remove jam nut

& lockwashers securing mount assembly to control housing, and remove mount

assembly.

B. Installation

1. Refer to Figure 21-1. As required, install C365-12 mount assembly, lockwashers,

and jam nut on C522-5 (air vent) control housing, but do not tighten jam nut. Install

AN742-3 clamp and (new, as required) MS35489-4 grommet on control housing.

2. Position control in lower console and install screws securing mount assembly to

lower console. Verify security.

3. Rotate control knob until horizontal within 15° when locked; tighten jam nut against

mount assembly. Verify security.

4. Route control inner wire through C062-1 vent box assembly channel. Adjust grommet

position as required, and install clevis pin through channel and control inner wire.

Install cotter pin. Verify security.

5. Install clamp and hardware securing clamp and control housing to vent box angle.

6. Install ty-rap around control housing through hole in lower console angle. Cinch ty-

rap until snug without over-tightening, and trim tip flush with head.

7. Actuate vent and adjust clamp position as required for proper vent operation. Verify

control housing does not slip through clamp when opening and closing vent. Verify

clearance under knob is 0.03-0.10 inch with knob fully depressed.

8. Close and secure upper console. Connect OAT wiring. Install radio trays and

hardware securing trays to lower console. Verify security. Install and secure radios.

Install avionics face and hardware securing face to lower console.

SEP 2012

R66 Maintenance Manual

Chapter 21 Environment Control

Page 21.3

Содержание RTR 660

Страница 1: ...a m to 12 30 p m HOLIDAYS Please visit www robinsonheli com under the Customer Support tab for a complete list of holidays and company shutdowns CUSTOMER SUPPORT AND ORDERS Please visit www robinsonhe...

Страница 2: ...s Service Letters R44 Maintenance Manual Parts Catalog revisions 35 00 R44 II V Future updates to R44 II Pilot s Operating Handbook Safety Notices 15 00 W Future updates to R44 II Pilot s Operating Ha...

Страница 3: ...Track and Balance Chapter 20 Standard Practices Chapter 21 Environment Control Chapter 25 Furnishings Chapter 28 Fuel System Chapter 32 Landing Gear Chapter 52 Doors and Windows Chapter 53 Fuselage C...

Страница 4: ...ble the information detailed by this form Recommended changes may include but are not limited to general comments corrections omitted information or clarification of instructions Please send recommend...

Страница 5: ...RHC makes no Warranty with respect to batteries instruments avionics or other trade accessories since they are usually warranted separately by their respective manufacturers New aircraft are equipped...

Страница 6: ...Intentionally Blank Page vi Introduction R66 Maintenance Manual SEP 2012...

Страница 7: ...pe Certificate Data Sheet TCDS 4 3 CHAPTER 5 INSPECTION SCHEDULE Section Title Page 5 10 Life Limited Components 5 1 5 11 Time In Service Records 5 1 5 12 Retirement Procedure 5 1 5 20 Scheduled Maint...

Страница 8: ...um 6 1 6 30 Method of Measurement 6 1 6 40 External Dimensions 6 3 6 50 Baggage Compartment Dimensions 6 4 6 60 Station Diagrams 6 6 6 61 Fuselage Station FS Locations 6 6 6 62 Tailcone Station TS Loc...

Страница 9: ...10 Placard Locations 11 1 11 20 Placard Illustrations 11 3 CHAPTER 12 SERVICING Section Title Page 12 10 Main Rotor Gearbox 12 1 12 11 Servicing 12 1 12 12 Filter Replacement 12 3 12 13 Chip Detector...

Страница 10: ...t Control Rigging 18 21 18 40 Main Rotor Blade Rigging 18 23 18 41 Cyclic Travel 18 24 18 42 Collective Travel 18 26 18 50 Tail Rotor Flight Control Rigging 18 28 18 51 Pedals 18 28 18 52 Forward Bell...

Страница 11: ...21 9 21 30 Cabin Heat 21 11 21 31 Valve Assembly and Control Rigging 21 11 21 32 Muffler Assembly 21 12 21 33 Diffuser and Tee Assemblies 21 12 CHAPTER 25 FURNISHINGS Section Title Page 25 00 Descrip...

Страница 12: ...lacement 32 8 32 40 Fairing Assemblies 32 9 32 50 Maintenance 32 9 32 60 Pop Out Floats Installation 32 11 32 61 Cylinder Assembly 32 11 32 62 Lever Rigging and Shear Rivet Replacement 32 17 32 63 Flo...

Страница 13: ...2 1 62 10 Main Rotor Blades 62 1 62 11 Blade Boots 62 6 62 20 Main Rotor Hub 62 7 62 21 Bearing Replacement 62 9 62 30 Main Rotor Assembly 62 11 62 31 Journal and Shim Calculations 62 11 62 32 Adjusti...

Страница 14: ...13 64 41 Bearing Replacement 64 13 64 42 Inspection 64 13 CHAPTER 65 TAIL ROTOR DRIVE SYSTEM Section Title Page 65 00 Description 65 1 65 10 Tail Rotor Drive Fan Shaft 65 1 65 20 Tail Rotor Drive Sha...

Страница 15: ...5 Bellcrank 67 24 CHAPTER 71 POWERPLANT Section Title Page 71 00 Description 71 1 71 10 Engine 71 3 71 11 Preparing Engine for Rolls Royce Maintenance Facility 71 6 71 12 Preparing Engine for Helicopt...

Страница 16: ...System 95 3 95 20 Primary Instruments 95 5 95 21 Vertical Speed Indicator 95 5 95 22 Airspeed Indicator 95 5 95 23 Engine N2 and Rotor Dual Tachometer 95 5 95 24 Altimeter 95 5 95 25 Torquemeter 95 6...

Страница 17: ...al Load Analysis 96 9 CHAPTER 98 WIRING DIAGRAMS Figure Title Page 98 1 R66 Electrical System F024 Revision I 98 1 98 2 R66 Electrical System F024 Revision G 98 2 98 3 Air Conditioning Installation 98...

Страница 18: ...Intentionally Blank Page xviii Introduction R66 Maintenance Manual SEP 2012...

Страница 19: ...0 Introduction 1 1 1 20 R66 Maintenance Manual Revisions 1 1 1 30 R66 Maintenance Authorization 1 1 1 40 R66 Component Overhaul Authorization 1 1 1 50 Notations 1 2 1 60 Definitions and Abbreviations...

Страница 20: ...Intentionally Blank Page 1 ii Chapter 1 General R66 Maintenance Manual SEP 2012...

Страница 21: ...intenance Manual verify it consists of effective pages A complete list of effective pages is located in the Revision Log in Chapter 100 When a new manual is purchased complete and submit the Subscript...

Страница 22: ...are taken for balance purposes with the aircraft in level flight attitude Refer to Section 6 20 for R66 datum location Empty Weight Empty Weight includes the weight of the airframe powerplant require...

Страница 23: ...Control Unit FS Fuselage Station locations GCU Generator Control Unit HID High Intensity Discharge LBL Left Butt Line Station locations LED Light Emitting Diode MRDS Main Rotor Driveshaft MRGB Main Ro...

Страница 24: ...ervice Directory Please visit www robinsonheli com and click on the Customer Support tab for a complete service directory Procure parts from any R66 Dealer or Service Center or order directly from ass...

Страница 25: ...hrough the door Remove main rotor gearbox mounting hardware nylon spacers and upper frame strut assemblies 5 Remove top of main rotor gearbox crate and position crate so gearbox is upright Refer to Se...

Страница 26: ...Page 1 6 Chapter 1 General R66 Maintenance Manual SEP 2012 FIGURE 1 1 ASSEMBLY INSTRUCTIONS FOR R66 HELICOPTER CRATED FOR EXPORT FIGURE 1 2 ASSEMBLY INSTRUCTIONS FOR R66 HELICOPTER CRATED FOR EXPORT...

Страница 27: ...and F305 5 aft inlet Install tail rotor drive fan shaft fanwheel installed through scroll assembly Install hardware securing aft inlet to scroll assembly Verify security 12 Refer to IPC Figure 65 1 In...

Страница 28: ...t shrink over wiring and connect compass pins to airframe sockets polarity is not critical Slide heat shrink over connection and apply heat Install 4 screws securing compass to mount securing wiring a...

Страница 29: ...que 60 KIAS a Evaluate vibration level and controllability b Perform momentary 30 left yaw to check for adequate directional control 36 Level flight at 2000 feet density altitude deviate as required f...

Страница 30: ...Intentionally Blank Page 1 10 Chapter 1 General R66 Maintenance Manual SEP 2012...

Страница 31: ...R 4 AIRWORTHINESS LIMITATIONS Section Title Page 4 10 Airworthiness Limitations 4 1 4 20 Type Certificate Data Sheet TCDS 4 3 25 OCT 2010 R66 Maintenance Manual Chapter 4 Airworthiness Limitations Pag...

Страница 32: ...Intentionally Blank Page 4 ii Chapter 4 Airworthiness Limitations R66 Maintenance Manual 25 OCT 2010...

Страница 33: ...00 Hours D079 1 Tail Rotor Guard 2000 Hours D196 1 Tail Rotor Drive Shaft 2000 Hours F016 2 Main Rotor Blade 2000 Hours or 12 years F020 1 Upper Frame 2000 Hours F029 1 Tail Rotor Blade 2000 Hours or...

Страница 34: ...Intentionally Blank Page 4 2 Chapter 4 Airworthiness Limitations R66 Maintenance Manual SEP 2011...

Страница 35: ...4 20 Type Certificate Data Sheet TCDS The Robinson R66 Turbine Type Certificate Data Sheet TCDS reprinted on the following pages is subject to revision Visit the Aircraft Certification Regulatory and...

Страница 36: ...Intentionally Blank Page 4 4 Chapter 4 Airworthiness Limitations R66 Maintenance Manual 25 OCT 2010...

Страница 37: ...craft Approved October 25 2010 Engine One Rolls Royce 250 C300 A1 Type Certificate number E4CE Fuel Jet A or Jet A 1 conforming to ASTM D 1655 Jet B conforming to ASTM D 6615 JP 4 or JP 5 conforming t...

Страница 38: ...660 Datum 100 inches forward of main rotor centerline Leveling Means For weight and balance Level placed laterally and longitudinally on aft tunnel cover immediately forward of aft middle seat If cov...

Страница 39: ...omponent Capacity qt STA in Engine 6 126 0 Main Rotor Transmission 2 100 0 Tail Rotor Transmission 0 11 327 0 Hydraulic Reservoir 0 65 110 8 Maximum Operating Altitude 14 000 feet Density Altitude Max...

Страница 40: ...ditional placards see the Rotorcraft Flight Manual All placards required in the FAA approved Rotorcraft Flight Manual must be installed in the appropriate locations NOTE 3 Information essential to the...

Страница 41: ...tion 5 8 5 41 Ground Check 5 8 5 42 Run Up 5 10 5 43 Flight Check 5 11 5 45 100 Hour Annual Maintenance and Inspection 5 13 5 50 2000 Hour Maintenance and Inspection 5 36B 5 55 12 Year Maintenance and...

Страница 42: ...Intentionally Blank Page 5 ii Chapter 5 Inspection Schedule R66 Maintenance Manual SEP 2012...

Страница 43: ...helicopter total time Previous time in service must be included when calculating remaining component life or time between overhaul TBO CAUTION Components with mandatory overhaul times or life limits w...

Страница 44: ...lic filter per Section 12 32 Drain and flush tail rotor gearbox per Section 12 23 Clean gearbox chip detectors per Section 12 13 12 22 Perform 2000 hour maintenance and inspection per Section 5 50 Ins...

Страница 45: ...ction 5 45 for inspection procedures Some aircraft may require maintenance and inspections in addition to the requirements in Table 5 1 Consult aircraft maintenance records Service Bulletins SB aviati...

Страница 46: ...ROD END CENTERING FIGURE 5 1 ROD END AND SPHERICAL BEARING PLAY LIMITS AND TORQUE STRIPE APPLICATION Position rod ends for maximum rotation Page 5 4 Chapter 5 Inspection Schedule R66 Maintenance Manua...

Страница 47: ...s diameter in unswaged area dents or flattening is not permitted in swaged tapered and threaded ends of tubes 5 33 Rod Ends and Spherical Bearings 1 Maximum axial play 0 020 inch Maximum radial play 0...

Страница 48: ...Elastomer Fatigue Elastomer Oil Contamination FIGURE 5 3 ELASTOMERIC BEARING DAMAGE Elastomer Overload Page 5 6 Chapter 5 Inspection Schedule R66 Maintenance Manual SEP 2012...

Страница 49: ...oads are applied to a bearing weakened by fatigue or oil contamination Overload is indicated by large clean cracks or extrusions from elastomer Elastomer may also separate debond from metal bushings R...

Страница 50: ...riction on verify increased resistance but no binding or locking of control Verify power turbine governor rigging as follows a Turn BATTERY switch ON With collective full down hold beep switch actuato...

Страница 51: ...ble panel lighting and dimmer control b Map light check function c Digital voltmeter indicates approximately 24 volts d Oil temperature gage slight needle deflection with engine cold e Fuel quantity g...

Страница 52: ...horn 15 Engine performance indications are within acceptable parameters 16 Check hydraulic system operation Using cyclic mounted hydraulics switch turn hydraulics OFF Using small longitudinal cyclic i...

Страница 53: ...acceptable control forces feedback with hydraulics off e Verify acceptable and normal vibration levels 3 Power Assurance Check Refer to R66 Pilot s Operating Handbook POH Chapter 5 power assurance ch...

Страница 54: ...Intentionally Blank Page 5 12 Chapter 5 Inspection Schedule R66 Maintenance Manual SEP 2012...

Страница 55: ...essure water or solvent as water or solvent may cause corrosion or breakdown of lubricants See RR300 Series Operation and Maintenance Manual OMM for engine cleaning instructions and precautions Access...

Страница 56: ...older Inspect condition Verify no defects cracks in plastic or material deterioration Verify security Cabin Chin and Floor Inspect condition Verify equipment security Retrieve and discard trapped debr...

Страница 57: ...neatness proper routing and installation and security Fasteners Torque Stripes Inspect condition Verify proper installation and security of fasteners Renew deteriorated torque stripes per Figure 5 1 C...

Страница 58: ...on Verify marking legibility Antenna Wiring Connectors Inspect condition Verify no loose chafed frayed or broken wires Verify no damaged connectors Verify neatness proper routing and installation and...

Страница 59: ...ion of boot snaps Verify ty rap is properly installed loosely securing boot around collective stick Verify no defects tears or material deterioration Verify security Fuel Valve Knob and Guard Inspect...

Страница 60: ...cyclic collective and removable collective boot snaps HORIZONTAL CONTROL TUNNEL Aft seats Covers Inspect condition Verify marking legibility Antenna Wiring Connectors Inspect condition Verify no loose...

Страница 61: ...r broken wires Verify proper installation and security of blower and evaporator components Evaporator Drain Tubes and Valve Air Conditioning if installed Remove middle seat assembly and cover and cove...

Страница 62: ...d mirror Verify no nicks scratches dents cracks corrosion or loose rivets Verify stiffener security Verify upholstery cleanliness and security Wiring Inspect condition Verify no loose chafed or broken...

Страница 63: ...curity Check grommets for proper installation Placards Verify placard legibility proper installation and security Refer to Chapter 11 Fuel Tank Examine accessible portion with inspection light and mir...

Страница 64: ...E At 600 hours time in service or annually whichever occurs first remove chip detector and clean off varnish build up from detector s magnetic probe and adjacent metal body a toothbrush dampened with...

Страница 65: ...Drain and flush hydraulic system per Section 12 33 if oil has turned dark or emits bad odor Add fluid as required Verify security CAUTION Cleanliness of hydraulic fluid is vital to proper system oper...

Страница 66: ...curity of pressure switches snubber and refrigerant lines Refrigerant Hose Assemblies Air Conditioning if installed Verify security no damage and clearance to adjacent structure Verify dust caps insta...

Страница 67: ...osion or fretting Inspect weld for cracks or corrosion Verify proper installation security and operating clearance A947 2 Main Rotor Drive Plate Assemblies Inspect condition Inspect flex plate for dis...

Страница 68: ...nas mount to cowling Verify security Close Secure Verify foreign objects are removed Verify equipment security Verify cleanliness of interior and of inspection and access doors and cowlings Connect an...

Страница 69: ...ilter security Oil Lines Inspect condition Verify no leakage where line connects to tank Verify no leakage chafing or obvious damage to oil lines Verify line clearance to installed equipment and surro...

Страница 70: ...be frame is fatigue loaded and therefore susceptible to fatigue cracks Inspect all joints thoroughly Condenser and Fan Assemblies Air Conditioning if installed Inspect condition Verify security of fan...

Страница 71: ...earance Verify tail rotor guard mounting screw shanks clear push pull tube Tail Rotor Drive Shaft Hanger Bearing Hanger Inspect condition Inspect bearing for obvious damage Verify integrity of bearing...

Страница 72: ...ic inspection cover Longer screws could contact aft flex coupling and yoke Plastic Inspection Cover Clean cover and inspect condition Replace as required C947 3 Tail Rotor Drive Plate Assembly Aft Ins...

Страница 73: ...ct condition Inspect rod ends per Section 5 33 Remove and reinstall pitch links with outboard end inboard and inboard end outboard as required to obtain maximum service life Reinstall chordwise weight...

Страница 74: ...dment and Tygon Tubes Inspect condition Verify no obstructions cracking chafing pinching or kinking in plastic tubes Inspect vents for cracks or obvious damage Verify proper installation and security...

Страница 75: ...r installation and security of fasteners Renew deteriorated torque stripes per Figure 5 1 Close Secure Verify foreign objects are removed Verify equipment security Verify cleanliness of interior and o...

Страница 76: ...y Exposed Skin to Spar Bond Line Refinish exposed bond line per Section 62 50 Blade Surfaces Inspect condition Inspect blade surfaces for excessive erosion nicks scratches buckling voids or debonding...

Страница 77: ...ecurity of fasteners Renew deteriorated torque stripes per Figure 5 1 D679 Cylinder assembly Pop out floats if installed Inspect condition Verify security Verify pressure gage indicates correct pressu...

Страница 78: ...fy security Landing Taxi Lights Inspect condition Verify lens cleanliness clarity and security Verify proper operation Landing Light Retainer Support Inspect condition Verify no cracks where retainer...

Страница 79: ...w faa gov Service Bulletins Verify all applicable airframe engine and accessory Service Bulletins have been complied with according to manufacturers instructions Some aircraft may be affected by Servi...

Страница 80: ...otor controls 1 9 A947 2 Plate Assembly engine drive line 2 10 B173 5 V Belt compressor drive cabin air conditioning 1 11 B283 12 Hose Assembly Fuel 1 12 B345 4 Pitch Link Tail Rotor 2 13 C005 13 Main...

Страница 81: ...ust Weldment 1 45 F169 2 Base exhaust interface 1 46 F173 1 Strut exhaust weldment supports 3 47 F235 13 Strut Upper Frame 2 48 F252 1 Strut Upper Frame 1 49 F579 1 Seal Firewall 1 50 F628 1 Connector...

Страница 82: ...4 Line Assembly Heater 1 71 G391 5 Line Assembly Heater 1 72 G400 1 Tee Assembly Heater 1 73 R5352 Main Rotor Blade Crate 1 74 R7982 Main Rotor Gearbox Crate 1 75 R7983 C017 5 Swashplate Installation...

Страница 83: ...ng or breakage or buckling of lower vertical stabilizer perform the following inspections in addition to those listed in Step A 1 Perform tail rotor drive shaft runout per Section 65 21 2 Remove tailc...

Страница 84: ...ed b Remove tail rotor assembly per Section 64 10 and tail rotor gearbox per Section 65 40 and return to RHC c Visually inspect D224 3 tail rotor drive shaft for evidence of twisting nicks dents or sc...

Страница 85: ...uckling or permanent bending is considered sudden stoppage and requires a sudden stoppage inspection of the entire rotorcraft 2 If main rotor blade or blades have contacted ground or a solid object th...

Страница 86: ...ect main and tail rotor blades d Check tail rotor drive shaft runout per Section 65 21 2 If an overspeed at or above 112 is reported or suspected or if balance changes or pitch bearing roughness is ev...

Страница 87: ...and release allowing rotorcraft to settle then measure from tip of tail skid to ground If less than 38 inches one or both cross tubes must be replaced d Inspect front seat structure for yielding Visu...

Страница 88: ...c chromate or epoxy primer and allow adequate drying time 7 Refinish area with gray epoxy top coat or equivalent 5 67 Corrosion on F020 1 Upper Frame 1 Polish out corrosion on steel frame tube members...

Страница 89: ...or particles if possible 5 70 Tail Rotor Gearbox TR Chip Light Illumination If the TR CHIP annunciator segment illuminates 1 Drain the gearbox per Section 12 21 straining the oil through a 190 micron...

Страница 90: ...Intentionally Blank Page 5 44 Chapter 5 Inspection Schedule R66 Maintenance Manual 25 OCT 2010...

Страница 91: ...6 20 Datum 6 1 6 30 Method of Measurement 6 1 6 40 External Dimensions 6 3 6 50 Baggage Compartment Dimensions 6 4 6 60 Station Diagrams 6 6 6 61 Fuselage Station FS Locations 6 6 6 62 Tailcone Stati...

Страница 92: ...Intentionally Blank Page 6 ii Chapter 6 Dimensions and Descriptions R66 Maintenance Manual 25 OCT 2010...

Страница 93: ...normally rated at 300 shaft horsepower SHP 270 SHP 5 minute take off rating Maximum gross weight 2700 pounds Primary fuel is Jet A see R66 Pilot s Operating Handbook 74 6 US gallon fuel tank capacity...

Страница 94: ...Intentionally Blank Page 6 2 Chapter 6 Dimensions and Descriptions R66 Maintenance Manual 25 OCT 2010...

Страница 95: ...FIGURE 6 1 EXTERNAL DIMENSIONS 6 40 External Dimensions 25 OCT 2010 R66 Maintenance Manual Chapter 6 Dimensions and Descriptions Page 6 3...

Страница 96: ...50 Baggage Compartment Dimensions FIGURE 6 2 BAGGAGE COMPARTMENT INTERIOR DIMENSIONS Dimensions given are approximate Page 6 4 Chapter 6 Dimensions and Descriptions R66 Maintenance Manual 25 OCT 2010...

Страница 97: ...E 6 3 BAGGAGE COMPARTMENT ACCESS DIMENSIONS Dimensions given are approximate 6 50 Baggage Compartment Dimensions continued 25 OCT 2010 R66 Maintenance Manual Chapter 6 Dimensions and Descriptions Page...

Страница 98: ...s Tube Forward centerline at strut FS 71 56 7 Baggage Compartment forward wall FS 92 00 8 Main Rotor Drive Shaft centerline FS 100 00 9 Fuel Cell Structure aft wall FS 115 00 10 Engine Firewall Vertic...

Страница 99: ...0 3 Aft Edge C023 7 Skin Tailcone Centerline Intersection TS 51 00 4 Aft Edge C023 8 Skin Tailcone Centerline Intersection TS 74 00 5 Aft Edge C023 9 Skin Tailcone Centerline Intersection TS 98 00 6 A...

Страница 100: ...box tail rotor and main rotor drive shaft intersection point WL 66 00 7 Baggage Compartment ceiling lowest point WL 45 60 8 Baggage Compartment floor WL 22 59 9 Belly WL 20 78 10 Landing Gear WL 0 79...

Страница 101: ...be centerline BL 42 00 3 Door Post between forward aft doors BL 28 25 4 Jack Lug Tab aft strut assembly BL 16 73 5 Ground Handling Ball jack point BL 4 13 6 Origin BL 0 00 7 Teeter Hinge Bolt tail rot...

Страница 102: ...FIGURE 6 8 INTERIOR ACCESS INSPECTION PANELS Page 6 10 Chapter 6 Dimensions and Descriptions R66 Maintenance Manual SEP 2012...

Страница 103: ...over Assembly Collective Pilot 29 G004 2 Aft Fuselage Assembly Door Fuel Fill 9 F680 1 Cover Assembly Collective Copilot 30 G004 10 Aft Fuselage Assembly Door Access 10 F461 1 Cover Assembly Collectiv...

Страница 104: ...CI 177 450 470 CI 177 20 Lower Aft VHF 118 136 CI 122 RH Belly AM FM CI 222 Lower Aft FM 403 512 CI 273 CI 272 1 CI 271 RH Belly FM 403 512 CI 273 CI 272 1 CI 271 800 870 CI 306 8 LH Belly FM 138 174...

Страница 105: ...CHAPTER 7 JACKING AND HOISTING Section Title Page 7 10 Jacking 7 1 7 20 Hoisting 7 5 25 OCT 2010 R66 Maintenance Manual Chapter 7 Jacking and Hoisting Page 7 i...

Страница 106: ...Intentionally Blank Page 7 ii Chapter 7 Jacking and Hoisting R66 Maintenance Manual 25 OCT 2010...

Страница 107: ...pter is raised A Jacking 1 Refer to Figure 7 1 Place one appropriate capacity jack under each landing gear aft strut assembly jack lug tab and under the ground handling ball Install jacking point adap...

Страница 108: ...FIGURE 7 1 JACKING Page 7 2 Chapter 7 Jacking and Hoisting R66 Maintenance Manual SEP 2012...

Страница 109: ...1 Refer to Figure 7 1 Slowly and simultaneously one person per jack recommended lower each jack ram maintaining helicopter stability Lower aircraft to ground 2 Clear jacks from lugs tabs and ball and...

Страница 110: ...FIGURE 7 2 HOISTING Page 7 4 Chapter 7 Jacking and Hoisting R66 Maintenance Manual SEP 2012...

Страница 111: ...s through fixture and bushings until pins lock Verify security 4 Connect hoist to lifting fixture Verify security 5 Stabilize helicopter as required by guiding tail skid but do not exert force tail sk...

Страница 112: ...ze helicopter as required by guiding tail skid but do not exert force tail skid is secondary structure Slowly lower aircraft to ground 2 Disconnect hoisting equipment remove lifting fixture or nylon r...

Страница 113: ...ALANCE Section Title Page 8 10 Leveling 8 1 8 11 Leveling for Weight and Balance 8 1 8 12 Leveling for Rigging 8 3 8 20 Weighing 8 5 8 21 Preparing Helicopter for Weighing 8 5 8 22 Weighing Procedure...

Страница 114: ...Intentionally Blank Page 8 ii Chapter 8 Weight and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 115: ...ons 1 Jack helicopter per Section 7 10 2 Refer to Figure 8 1 Place a spirit level laterally on F463 1 aft tunnel cover Verify cover is flat if cover is not flat remove cover and place spirit level acr...

Страница 116: ...1 LEVELING FOR WEIGHT AND BALANCE Lateral shown view looking down between aft seat footwells Page 8 2 Chapter 8 Weight and Balance R66 Maintenance Manual SEP 2012 FIGURE 8 2 LEVELING FOR RIGGING Later...

Страница 117: ...bolt at location marked LEVEL HERE on top of main rotor hub 4 Adjust jack at landing gear aft strut assembly jack lugs tabs until helicopter is level laterally 5 Release rotor brake and rotate main ro...

Страница 118: ...Intentionally Blank Page 8 4 Chapter 8 Weight and Balance R66 Maintenance Manual SEP 2012...

Страница 119: ...the wind Weigh helicopter on a flat hard surface in a zero wind environment for accurate scale readings 8 21 Preparing Helicopter for Weighing 1 Defuel helicopter per Section 12 42 2 Service engine oi...

Страница 120: ...Page 8 6 Chapter 8 Weight and Balance R66 Maintenance Manual 25 OCT 2010 FIGURE 8 3 WEIGHING Scale indications for demonstration only...

Страница 121: ...Figure 8 3 Place a jack and one 1000 lb capacity minimum scale under each landing gear aft strut assembly jack lug tab and under the ground handling ball 3 Zero scales or record tare weight items betw...

Страница 122: ...copter and calculate new weight and CG per the previous steps c If Calculated CG is less than 101 50 and nose ballast is installed determine minimum nose ballast to remove 102 50 Calculated CG X Calcu...

Страница 123: ...gitudinal CG arm inches Moment in lb Forward Net x 32 67 Left Net x 127 35 Right Net x 127 35 Unusable fuel add 6 70 x 110 40 739 68 Basic empty weight and longitudinal CG 9 Calculate basic empty weig...

Страница 124: ...FIGURE 8 4 NOSE BALLAST View inside lower console assembly with upper console hinged aft Page 8 10 Chapter 8 Weight and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 125: ...1 panel 3 Remove or install ballast plates per calculations performed in Section 8 22 Select NAS6603 bolt length to meet torque requirements per Section 20 30 Install hardware torque bolts per Sectio...

Страница 126: ...FIGURE 8 5 EMPENNAGE BALLAST Page 8 12 Chapter 8 Weight and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 127: ...s While primer is wet install empennage assembly per Section 53 50 Topcoat hardware with colored paint as desired 4 Reweigh and or calculate basic empty weight and CG per Section 8 22 5 Revise Weight...

Страница 128: ...ch D301 2 weight remove paint from one flat surface which will clamp against stabilizer 6 Remove tracing media Solvent clean bare metal on horizontal stabilizer and weight clamping surfaces 7 Reweigh...

Страница 129: ...Handling Page 9 i CHAPTER 9 GROUND HANDLING Section Title Page 9 10 Ground Handling 9 1 9 11 Ground Handling Wheels 9 1 9 12 Moving Helicopter on Ground Handling Wheels 9 3 9 13 Ground Handling Carts...

Страница 130: ...Intentionally Blank Page 9 ii Chapter 9 Ground Handling R66 Maintenance Manual 25 OCT 2010...

Страница 131: ...raised WARNING Remove ground handling wheels for flight A Installation NOTE Verify proper inflation of ground handling wheel tires Maximum tire inflation pressure is 70 psi 1 Extend ground handling w...

Страница 132: ...of cradle 3 Pull handle in rearward arc to raise helicopter NOTE R66 ground handling wheels are installed inboard of landing gear skid tubes C063 5 LH and C063 6 RH ground handling wheel assemblies ar...

Страница 133: ...r extensions NOTE Steer helicopter by gripping the tail rotor gearbox aft tailcone section or inboard part of horizontal stabilizer between tailcone and vertical stabilizers CAUTION Do not steer helic...

Страница 134: ...pport point s to prevent tailcone damage 3 Perform one of the following options a Remove main rotor blades per Section 62 10 Pack blades in shipping crate See R66 Illustrated Parts Catalog IPC Figure...

Страница 135: ...and Storage Page 10 i CHAPTER 10 PARKING AND STORAGE Section Title Page 10 10 Parking 10 1 10 11 Parking in High Wind or Turbulent Air 10 1 10 12 Main Rotor Blade Tie Downs 10 3 10 13 Main Rotor Blade...

Страница 136: ...Intentionally Blank Page 10 ii Chapter 10 Parking and Storage R66 Maintenance Manual 25 OCT 2010...

Страница 137: ...ulent Air Helicopter should be hangared or moved to a safe area during storm conditions or when storm conditions are forecasted When parking helicopter in high winds or when aircraft is exposed to pro...

Страница 138: ...FIGURE 10 1 MAIN ROTOR BLADE TIE DOWNS Page 10 2 Chapter 10 Parking and Storage R66 Maintenance Manual SEP 2012...

Страница 139: ...Maximum tie down tension is 5 lb 1 Park helicopter and position blades per Section 10 10 or 10 11 2 Refer to Figure 10 1 Slide MT290 3 tie down jacket over forward lowered main rotor blade tip with wh...

Страница 140: ...FIGURE 10 2 MAIN ROTOR BLADE SUPPORTS Page 10 4 Chapter 10 Parking and Storage R66 Maintenance Manual 25 OCT 2010...

Страница 141: ...tion landing gear eyebolts and roof mounted cleat is required for mounting blade supports 1 Refer to Figure 10 2 Position main rotor blades approximately fore and aft 2 Install MT564 1 cradle assembly...

Страница 142: ...ades per Section 64 36 4 Open applicable circuit breakers 5 RemovebatteryperChapter96 Inspect servicebatteryaccordingtobatterymanufacturer s instructions 6 Service engine oil hydraulic fluid and main...

Страница 143: ...CHAPTER 11 PLACARDS AND MARKINGS Section Title Page 11 10 Placard Locations 11 1 11 20 Placard Illustrations 11 3 SEP 2012 R66 Maintenance Manual Chapter 11 Placards and Markings Page 11 i...

Страница 144: ...Page 11 0 Chapter 11 Placards and Markings R66 Maintenance Manual SEP 2012 FIGURE 11 1 PLACARD LOCATIONS...

Страница 145: ...llective stick 1 18 A654 21 Decal NO STOWAGE KEEP AREA CLEAR 1 19 A654 12 Decal OPEN LH door outside black lettering 2 A654 10 Decal OPEN LH door outside white lettering 2 20 C654 7 Decal STATIC PORT...

Страница 146: ...FIGURE 11 2 PLACARD LOCATIONS Page 11 2 Chapter 11 Placards and Markings R66 Maintenance Manual SEP 2012...

Страница 147: ...tructions 1 47 A654 11 Decal OPEN RH door outside black lettering 2 A654 9 Decal OPEN RH door outside white lettering 2 48 F654 24 Decal BATTERY LOCATED BEHIND THIS PANEL 1 49 F654 8 Decal LATCH black...

Страница 148: ...9 Decal F654 10 11 Decal F654 1 12 Decal A654 7 13 Cover F445 1 15 Cover F444 1 Page 11 4 Chapter 11 Placards and Markings R66 Maintenance Manual SEP 2012 10 Decal F654 17 14 Decal A654 45 6 Decal F6...

Страница 149: ...ngs Page 11 5 16 Panel Assembly F490 1 11 20 Placard Illustrations continued 17 Decal A654 6 18 Decal A654 21 19 Decal A654 12 20 Decal C654 7 21 Decal C654 8 not shown see No 20 22 Decal F654 5 23 De...

Страница 150: ...ions continued 31 Marking A321 19 co pilot weldment 32 Marking A756 24 pilot weldment see No 31 Page 11 6 Chapter 11 Placards and Markings R66 Maintenance Manual SEP 2012 30 Decal F654 16 29 Decal F65...

Страница 151: ...Assembly F463 1 40 Cover C710 1 41 Cover C712 2 11 20 Placard Illustrations continued 42 Handle D119 1 45 Decal A654 16 35 Decal A654 45 see No 14 36 Decal A654 17 38 Decal F654 27 39 Console Assembly...

Страница 152: ...49 Decal F654 9 51 Faceplate G598 1 52 Decal A654 3 54 Decal C654 2 11 20 Placard Illustrations continued Page 11 8 Chapter 11 Placards and Markings R66 Maintenance Manual SEP 2012 47 Decal A654 11 48...

Страница 153: ...12 23 Drain and Flush 12 8 12 30 Hydraulic System 12 9 12 31 Servicing 12 9 12 32 Filter Replacement 12 9 12 33 Drain and Flush 12 11 12 34 Bleeding 12 12 12 40 Fuel System 12 13 12 41 Fueling 12 13...

Страница 154: ...Intentionally Blank Page 12 ii Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 155: ...ion drain hose overboard into a suitable drain container Jam wedge between support panel stiffener and drain assembly fitting to open valve B Adding Fluid 1 Install chip detector per Section 12 13 if...

Страница 156: ...FIGURE 12 1 MAIN ROTOR GEARBOX SERVICING Page 12 2 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 157: ...ector and Sight Gage A Removal 1 Refer to Figure 12 1 Disconnect chip detector wiring as required Remove chip detector from housing NOTE Remove chip detector housing and inspect for obvious damage if...

Страница 158: ...FIGURE 12 2 DRAINING MAIN ROTOR GEARBOX OIL Page 12 4 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 159: ...ght gage and special torque per Section 20 33 2 Verify cleanliness of chip detector and housing As required remove and clean chip detector and housing per Parts A and B Install housing and special tor...

Страница 160: ...FIGURE 12 3 TAIL ROTOR GEARBOX Page 12 6 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 161: ...evel A Draining Fluid 1 Refer to Figure 12 3 Cut and discard ty raps as required and disconnect chip detector wiring from airframe harness at connectors 2 Place a suitable drain container under gearbo...

Страница 162: ...s required Cinch ty raps until snug without over tightening and trim tips flush with heads 4 Turn BATTERY switch ON Verify TR CHIP warning segment illuminates when test button is depressed Turn BATTER...

Страница 163: ...ove D516 1 cap and filter and visually inspect element for contaminants If element is clear proceed to step 3 If metal contamination is found use a magnet to determine if metal is ferrous If metal is...

Страница 164: ...FIGURE 12 4 HYDRAULIC SYSTEM Page 12 10 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 165: ...aks 7 Simultaneously fully raise collective and move cyclic fully forward then simultaneously fully lower collective and move cyclic fully aft Monitor reservoir fluid level and fill as required Repeat...

Страница 166: ...ect hydraulic system for leaks 4 Simultaneously fully raise collective and move cyclic fully forward then simultaneously fully lower collective and move cyclic fully aft Repeat procedure ten times 5 S...

Страница 167: ...ed Parts Catalog IPC Figure 28 9 1 Remove engine cowling per Section 53 21 2 Turn BATTERY switch OFF Pull fuel valve control OFF 3 Disconnect B283 12 hose at F670 1 valve raise hose vertically and plu...

Страница 168: ...FIGURE 12 5 MAIN ROTOR BLADE PITCH BEARING HOUSING Page 12 14 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 169: ...pply container with sufficient A257 4 fluid approximately 3 feet above spindle Route fill hose assembly into drain container and open brass valve Open supply container plastic valve and purge air from...

Страница 170: ...contaminate engine oil Service engine oil system with clean fluid from sealed containers using clean tools NOTE When servicing airframe oil tank full oil quantity is six quarts minimum quantity for t...

Страница 171: ...ppropriate cleaning system hose to delivery tube 5 Refer to RR300 Series OMM for compressor rinse and wash procedures To motor engine without ignition system a Release rotor brake b Turn BATTERY switc...

Страница 172: ...ualified A Refrigerant Recovery NOTE If a leak or other service problem is encountered after system is charged with refrigerant refrigerant must be recovered before work on system can proceed 1 Remove...

Страница 173: ...nician should be thoroughly familiar with vacuum equipment to ensure leak is in aircraft system and not in vacuum equipment or connections Leaks in a charged system may be detected using a mild soap a...

Страница 174: ...Intentionally Blank Page 12 20 Chapter 12 Servicing R66 Maintenance Manual SEP 2012...

Страница 175: ...ting 18 11 18 16 Autorotational RPM Adjustment 18 12 18 20 Tail Rotor Dynamic Balance 18 17 18 21 Preparing Helicopter for Tail Rotor Dynamic Balance 18 17 18 22 Ground Checks 18 19 18 23 Balance Adju...

Страница 176: ...Intentionally Blank Page 18 ii Chapter 18 Track and Balance R66 Maintenance Manual SEP 2012...

Страница 177: ...once a year or if equipment is dropped misused or calibration is suspect NOTE The Chadwick Helmuth Vibrex system the TEC ACES system the Dynamic Solutions Systems MicroVib system or equivalent equipme...

Страница 178: ...FIGURE 18 1 MAIN ROTOR BALANCING EQUIPMENT INSTALLATION Page 18 2 Chapter 18 Track and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 179: ...te bracket Set swashplate mounted interrupter to pickup gap to 0 030 inch 0 010 inch and tighten pickup nuts against bracket Safety nuts using 0 020 inch diameter lockwire Recheck gap 5 Pull collectiv...

Страница 180: ...50 60 70 80 90 100 110 120 130 140 I I I I I I I I I I I I I I I I I I I I I I FIGURE 18 2 MAIN ROTOR TRACK AND BALANCE CHART TIP WEIGHTS 1 AN960 10 Washer 2 AN960 10L Washers 1 C298 2 Weight 5 AN960...

Страница 181: ...Maximum vibration allowance is 0 2 ips inches per second Adjust balance per Section 18 14 as required record data and recheck balance in a hover Repeat step as required until main rotor balance is wi...

Страница 182: ...m Length Adjustment Upper Rod End Only One half rod end turn changes blade track 0 25 inch One full rod end turn changes blade angle 0 48 Fine Adjustment Fitting Only One full turn changes blade track...

Страница 183: ...without binding Using backup wrench on link assembly torque jam nut per Section 20 32 Safety fitting to link assembly using 0 032 inch diameter lockwire e Repeat steps on opposite pitch link as requir...

Страница 184: ...FIGURE 18 4 MAIN ROTOR BLADE TRIM TAB Page 18 8 Chapter 18 Track and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 185: ...ting torque rod end jam nut and palnut per Section 20 32 Safety fitting to link assembly using 0 032 inch diameter lockwire e Repeat steps on opposite pitch link as required Torque stripe per Figure 5...

Страница 186: ...uired per Figure 18 2 Washers may be trimmed Special torque fasteners securing tip weights per Section 20 33 Install tip cover and standard torque fasteners per Section 20 32 1 AN960 10 or NAS1149F036...

Страница 187: ...lacement 2 Excessive Ship Vibration MR out of track and balance Track and balance per Section 18 10 MR teeter or coning hinge friction Adjust hinge friction per Section 62 32 MR teeter or coning hinge...

Страница 188: ...eter reading 2 Set the altimeter to 29 92 Hg 1013 2 millibars prior to performing the autorotation Autorotate with the collective control firmly held against the down stop with an airspeed of 50 KIAS...

Страница 189: ...side air temperature and draw a vertical line up to pressure altitude b Draw a horizontal line from pressure altitude to rotorcraft gross weight at time of autorotation c Draw a vertical line down fro...

Страница 190: ...ll turn of rod ends approximately 3 RPM change One full turn of rod end 1 turns of barrel Example OAT 20 C Hp 2000 ft GW 1800 lb RPM 103 FIGURE 18 5 AUTOROTATION RPM ADJUSTMENT Page 18 14 Chapter 18 T...

Страница 191: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 18 Track and Balance Page 18 15...

Страница 192: ...FIGURE 18 6 TAIL ROTOR BALANCING EQUIPMENT INSTALLATION Page 18 16 Chapter 18 Track and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 193: ...ns 5 33 and 5 34 2 Track tail rotor blades per Section 64 10 3 Refer to Figure 18 6 If using photocell to obtain clock angle install a target tape spanwise on inboard side of one arm of tail rotor hub...

Страница 194: ...shers 2 NAS1149F0632P 1 NAS1149F0663P Washer BALANCE CLOCK IPS ADJUSTMENT CLOCK IPS ADJUSTMENT CLOCK IPS ADJUSTMENT CLOCK IPS ADJUSTMENT PITCH HORN TO PITCH LINK FASTENER CHORDWISE WEIGHTS 1 NAS1149F0...

Страница 195: ...Install 0 032 inch diameter lockwire securing cap retaining hardware and safety in pairs WARNING A rotor which is smooth after balancing but goes out of balance within a few flights is suspect and mus...

Страница 196: ...FIGURE 18 8 SWASHPLATE AND COLLECTIVE CONTROL RIGGING FIGURE 18 9 A205 5 SWASHPLATE FORK RIGGING Page 18 20 Chapter 18 Track and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 197: ...assemblies and fork assembly located between keel panels to the noted rod end center to center dimensions PART NUMBER DIMENSION C121 1 51 15 0 03 inches F121 1 32 36 0 03 inches G205 1 5 40 0 03 inch...

Страница 198: ...FIGURE 18 10 MAIN ROTOR BLADE RIGGING Page 18 22 Chapter 18 Track and Balance R66 Maintenance Manual 25 OCT 2010...

Страница 199: ...mark the opposite blade s tip height Teeter main rotor hub as required until blade tips are level within 1 inch 2 Refer to Figure 18 10 Using felt tip marker mark upper surface of both main rotor bla...

Страница 200: ...ade angles per Section 18 40 Part B to determine the values below Rotate blades 180 and align per step 3 as required BLUE BLADE RED BLADE Pitch horn forward Pitch horn forward Pitch horn aft Pitch hor...

Страница 201: ...blade angles must average between 12 5 and 13 5 more than collective down position average Adjust main rotor blade pitch links per Section 18 13 as required one full barrel turn 0 72 until blade angl...

Страница 202: ...eft position Adjust swashplate forward left or right push pull tube as required one full turn 0 6 B Cyclic Right 1 Position collective stick full down Position cyclic stick in the longitudinal neutral...

Страница 203: ...ustment can be made by adjusting swashplate forward push pull tubes exactly the same amount one full turn 0 6 D Cyclic Aft 1 Position collective stick full down Position cyclic stick in the lateral ne...

Страница 204: ...ull tubes as required to obtain a dimension of 5 24 0 03 in from the lower forward NAS6604 9 bolt in C317 5 bellcrank and horizontal pedal torque tube 18 52 Forward Bellcrank Remove the rigging pin an...

Страница 205: ...the tail rotor 180 and record the opposite blade angle Pedals Full Left Blue Blade Red Blade 2 18 5 19 0 required 7 Difference between blue and red blade angles may not exceed 0 4 If blade angles exc...

Страница 206: ...reater than 35 5 the total travel is too great b If the total travel is too small first increase the right pedal travel by increasing the length of C121 9 push pull tube To increase the left pedal tra...

Страница 207: ...Control 20 13 20 60 Priming and Painting 20 13 20 70 Approved Materials 20 16 20 71 Paint Strippers 20 16 20 72 Solvents and Cleaners 20 16 20 73 Fillers and Putty 20 17 20 74 Torque Seal 20 17 20 75...

Страница 208: ...Intentionally Blank Page 20 ii Chapter 20 Standard Practices R66 Maintenance Manual 25 OCT 2010...

Страница 209: ...ain holes pitot tube or static ports WARNING Refer to appropriate Material Safety Data Sheet MSDS and take necessary safety precautions when working in proximity to hazardous materials A Cleaning Exte...

Страница 210: ...ng 3 Leather should be cleaned with saddle soap or a mild hard soap and water D Cleaning Carpet Remove loose dirt with a whisk broom or vacuum For soiled spots and stains use nonflammable dry cleaning...

Страница 211: ...AS1305 bolt used with a NAS1068 nutplate is determined as follows NAS1305 bolt 5 indicates 5 16 inch size dry torque per Section 20 32 240 in lb Add 10 because torque must be applied at bolt head 24 i...

Страница 212: ...lve for Y T x L 135 x 10 1350 117 39 L A 10 1 5 11 5 Set torque wrench to 117 in lb to torque fastener to 135 in lb Given Symbols Y Unknown Y Torque wrench setting T 135 in lb T Torque applied to fast...

Страница 213: ...nd 20 2 4 Proper thread engagement requires 2 4 threads beyond primary self locking nut palnuts excepted 5 Torque wrenches must be calibrated annually when dropped or when a calibration error is suspe...

Страница 214: ...UTS 10 32 B330 7 MS27151 7 6 to 15 1 4 28 B330 13 MS27151 13 11 to 25 5 16 24 B330 16 MS27151 16 20 to 40 3 8 24 B330 19 MS27151 19 29 to 60 7 16 20 B330 21 MS27151 21 42 to 85 1 2 20 B330 24 MS27151...

Страница 215: ...B nuts 270 300 1 F723 1 line assembly B nuts 330 360 1 F723 2 line assembly B nuts 230 260 1 F723 3 line assembly B nuts 230 260 1 F723 4 line assembly B nuts 230 260 1 F724 1 line assembly B nuts 110...

Страница 216: ...ter stud 11 1 G254 2 fitting vent assembly 200 1 G254 6 retainer vent assembly 200 1 MS21042L3 nut securing fuel valve control wire 27 1 B254 3 strainer fuel bladder outlet 150 1 D205 21 hose assembly...

Страница 217: ...olt securing landing gear to fuselage supports and shackles 66 FT LB 4 B277 28 clamp securing fairings to struts 15 POP OUT FLOATS OPTIONAL EQUIPMENT 1 D674 2 hose assembly B nuts 230 260 1 D674 6 hos...

Страница 218: ...er generator supplied 20 2 nuts securing harness wires to starter generator large terminals starter generator supplied 180 1 nut securing harness wire to ignition exciter box engine supplied 15 2 nuts...

Страница 219: ...Unless otherwise noted thread sizes 8 32 smaller are not used for primary structure do not require specific torque 20 34 Push Pull Tube Rod End Adjustment NOTE Refer to Section 18 13 to adjust C258 1...

Страница 220: ...Criteria Parts except gears which are inspected by magnetic particle inspection shall be accepted or rejected according to the following criteria Acceptable indications Indications smaller than 0 015...

Страница 221: ...tance limits specified If acceptance limits are not specified rejectable surface defects and any of the following Cracks y y Seams y y Cold shuts or laps y y Surface inclusions y y In castings aligned...

Страница 222: ...and air dry may be used on a limited basis If a solvent vapor bath is selected a degreaser which incorporates a spray flushing nozzle must be utilized except for specific parts noted herein Clean stee...

Страница 223: ...Bolted joints where torque is a specific requirement for clamping action y y Bearing press fit or close tolerance slip fit joints except where wet chromate primer is y y part of the assembly procedur...

Страница 224: ...ades and flex plates Plastic Media Blasting System Pauli Griffin Co Vacaville CA Metal parts except blades and unsupported sheet metal less than 0 040 inch thick 20 72 Solvents and Cleaners Product Ma...

Страница 225: ...imperfections 051144 05960 Acryl Green Spot Putty 3M Co St Paul MN SBF1191 Gearhead Products Indianapolis IN 20 74 Torque Seal PRODUCT MANUFACTURER SUPPLIER APPLICATION F 900 Any color except red Org...

Страница 226: ...bert Chemical Coatings Buffalo NY Total coating thickness allowance is 0 003 to 0 007 inches epoxy and topcoat Coating may exceed maximum thickness in local areas due to part geometry PRODUCT MANUFACT...

Страница 227: ...Los Angeles CA G Clear Imron 3480S or 2400S with 193S or 8909S activator H Clear Imron 3480S or 2400S 1 part and RK P 19478 11 parts with 193S or 8909S activator 4 parts J White Imron 2 1 FT flat Poly...

Страница 228: ...FIGURE 20 3 FINISH CODE LOCATIONS EXTERIOR Page 20 20 Chapter 20 Standard Practices R66 Maintenance Manual 25 OCT 2010...

Страница 229: ...FIGURE 20 4 FINISH CODE LOCATIONS INTERIOR SEP 2012 R66 Maintenance Manual Chapter 20 Standard Practices Page 20 21...

Страница 230: ...Inc Cleveland OH United Erie Div of Interstate Chemical Co Erie PA A257 7 Lubri Kote Type A 1040 CR dry film lubricant Mealey Ind Lubricants Cleveland OH A257 8 P 80 rubber lubricant International Pr...

Страница 231: ...0 12 Sealant electrical potting 2 part Any color except red MIL PRF 8516 Type II Class 2 Category A or B Any B270 13 Sealant silicone rubber electronic use 1 part Translucent 3145 Dow Corning Corp Mid...

Страница 232: ...d service life is on condition with a maximum of 12 years Use invoice or FAA Form 8130 date as start date 3 Store V belts at less than 85 F 30 C with relative humidity below 70 Avoid solvent and oil v...

Страница 233: ...AN960 6 washer NAS1149FN632P washer AN960 8L washer NAS1149FN816P washer AN960 8 washer NAS1149FN832P washer AN960 10L washer NAS1149F0332P washer AN960 10 washer NAS1149F0363P washer AN960 416L washe...

Страница 234: ...the oven control to determine part temperature Cooling a part for thermal fitting at assembly is not recommended Water vapor from the air will condense on the part and frequently introduce water into...

Страница 235: ...1 21 10 Ventilation 21 3 21 11 Nose Vent 21 3 21 20 Air Conditioning 21 5 21 21 Compressor Assembly 21 5 21 22 Condenser and Fan Assemblies 21 7 21 23 Evaporator Assembly 21 8 21 24 Troubleshooting 2...

Страница 236: ...Intentionally Blank Page 21 ii Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...

Страница 237: ...scoop collects the necessary cooling air for the condenser during forward flight In a hover electric fans help to draw cooling air through the condenser The evaporator blower draws warm cabin air tho...

Страница 238: ...FIGURE 21 1 NOSE VENT Page 21 2 Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...

Страница 239: ...control housing but do not tighten jam nut Install AN742 3 clamp and new as required MS35489 4 grommet on control housing 2 Position control in lower console and install screws securing mount assembly...

Страница 240: ...FIGURE 21 2 AIR CONDITIONING SCHEMATIC Page 21 4 Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...

Страница 241: ...compressor down and inboard as required to disengage B173 5 v belt from pulleys Route belt around drive shaft flange and remove belt 5 Route new B173 5 v belt around drive shaft flange and fit belt on...

Страница 242: ...ulley and install hardware securing compressor to G782 1 mount weldment Standard torque bolts per Section 20 32 3 Install hardware securing compressor to G781 1 arm weldment Rotate compressor up and o...

Страница 243: ...ser to G787 support assemblies Taking care not to damage line assemblies and condenser fittings carefully remove condenser Cap fittings B Installation 1 Remove caps Install hardware securing G783 1 co...

Страница 244: ...cover to middle seat if installed Detach grommet from seat assembly and carefully remove evaporator and attached components forward through seat assembly vertical wall relief Cap fittings B Installati...

Страница 245: ...switch All switches should be closed with a properly charged system and aircraft at rest on ground Replace any defective switch Failed Compressor V Belt Inspect belt Replace belt per Section 21 21 as...

Страница 246: ...Page 21 10 Chapter 21 Environment Control R66 Maintenance Manual SEP 2012 FIGURE 21 3 CABIN HEAT...

Страница 247: ...all clamps spacers and hardware securing line assemblies to aft right keel panel Verify security Hinge seat back 3 Position valve assembly so F621 2 bracket is vertical within 5 special torque line as...

Страница 248: ...ity 2 Remove caps and plugs and connect G341 2 and G341 4 line assembly B nuts to muffler assembly fittings Special torque B nuts at AN824 8D tee and muffler assembly and torque stripe per Figure 5 1...

Страница 249: ...rd panel and remove panel 2 Refer to Figure 21 3 Hinge aft right and left seats forward Remove hardware securing G394 1 guards and G392 3 diffuser assemblies to aft seat assemblies and remove guards H...

Страница 250: ...Intentionally Blank Page 21 14 Chapter 21 Environment Control R66 Maintenance Manual SEP 2012...

Страница 251: ...1 Seat Assembly Removal and Installation 25 5 25 22 Back Rest Assembly Removal and Installation 25 5 25 23 Back Rest Cushion Replacement 25 5 25 30 Carpet 25 7 25 40 Insulation Foam and Headliner 25 8...

Страница 252: ...Intentionally Blank Page 25 ii Chapter 25 Furnishings R66 Maintenance Manual SEP 2012...

Страница 253: ...rtment It is accessed via a large door on the aircraft right side The cowl door annunciator illuminates to warn the pilot when the door is not latched A light illuminates the compartment when the batt...

Страница 254: ...FIGURE 25 1 SEAT HARNESSES SEAT ASSEMBLIES AND BACK RESTS Page 25 2 Chapter 25 Furnishings R66 Maintenance Manual SEP 2012...

Страница 255: ...nchors Remove hardware securing fifth point belts to seat boxes 4 Remove hole plugs then remove inertia reel covers and hardware securing reels to F369 and F370 forward seat backs Remove five point ha...

Страница 256: ...assemblies forward 5 Position F424 1 bumper assembly on F423 4 tube assembly and install screws Verify security C Aft Left and Right Seat Harness 1 Refer to Figure 25 1 Install hardware securing iner...

Страница 257: ...er Back Rest Assembly 1 Refer to Figure 25 1 Detach back rest assembly hook and loop tape Velcro at bottom slide back rest assembly up and out of keyhole slots 2 Install back rest assembly in keyhole...

Страница 258: ...FIGURE 25 2 CARPET AND INSULATION Page 25 6 Chapter 25 Furnishings R66 Maintenance Manual SEP 2012...

Страница 259: ...ard Floor Carpet Assembly Installation 1 Refer to Figure 25 2 Attach carpet to floor via hook and loop tape Velcro 2 Install scuff plates install B392 3 left side cover may be installed when pedals ar...

Страница 260: ...th wet with acetone B Installation 1 Verify proper insulation fit Trim as required 2 Apply B270 8 adhesive to bonding surface and insulation backing Press insulation to surface smooth wrinkles and rem...

Страница 261: ...urity 2 Insert aircraft documents into holder and tuck upper flap into frame 25 53 Map Pocket Replacement Refer to R66 Illustrated Parts Catalog IPC Figure 25 11 A Removal 1 Drill out rivets securing...

Страница 262: ...th aircraft specific information prior to installation for the ELT to function The dongle may be removed and shipped to RHC or a Kannad service center for reprogramming B Transmitter Removal and Insta...

Страница 263: ...et Removal 1 Unlock fire extinguisher bracket and remove extinguisher 2 Remove hardware securing bracket to cabin under left side windshield frame and remove bracket C Bracket Installation 1 Install h...

Страница 264: ...Intentionally Blank Page 25 12 Chapter 25 Furnishings R66 Maintenance Manual 25 OCT 2010...

Страница 265: ...Title Page 28 00 Description 28 1 28 10 Bladder Assembly 28 3 28 11 Roll Over Vent Valves 28 6 28 12 Sump Valve 28 6 28 20 Fuel Quantity 28 7 28 21 Fuel Quantity Sender 28 7 28 22 Low Fuel Switch Asse...

Страница 266: ...Intentionally Blank Page 28 ii Chapter 28 Fuel System R66 Maintenance Manual 25 OCT 2010...

Страница 267: ...over valve to prevent fuel leakage in any attitude The fuel cell is secured inside an aluminum structure The filler cap is located under a cowl door The left and right side vent fittings are interconn...

Страница 268: ...Page 28 2 Chapter 28 Fuel System R66 Maintenance Manual 25 OCT 2010 FIGURE 28 2 FUEL SYSTEM COMPONENTS...

Страница 269: ...o G028 1 bladder assembly and F028 1 support assembly and remove cover Remove and discard o ring 5 Cut and discard safety wire securing A729 2 tube to right roll over vent valve and pull tube off vent...

Страница 270: ...Page 28 4 Chapter 28 Fuel System R66 Maintenance Manual 25 OCT 2010 FIGURE 28 3 FUEL SYSTEM SCHEMATIC...

Страница 271: ...ape from bladder assembly openings Insert a clean smooth blunt wooden dowel through bladder service opening and press on bladder lower surface to attach hook and loop tape Verify security 6 Install lo...

Страница 272: ...vent valve and pull tube off valve 3 Remove G254 2 fitting or G254 6 retainer Remove and discard MS29512 10 packing G254 2 fitting only and A215 015 o ring 4 Install new A215 015 o ring in groove ins...

Страница 273: ...Remove hardware securing G271 1 guard to F250 1 cover assembly and remove guard 3 Remove hardware securing F049 04 fuel quantity sender electrical harness wiring to F550 1 sender 4 Remove hardware sec...

Страница 274: ...equired remove fuel quantity sender per Section 28 21 and F250 1 cover assembly per Section 28 10 to facilitate A521 2 low fuel switch assembly removal installation CAUTION Avoid contaminating bladder...

Страница 275: ...itch drain assembly seal install G930 4 retainer and install screws securing retainer and drain assembly to tray Verify security Seal gap in drain assembly seal where wires pass thru using B270 5 seal...

Страница 276: ...FIGURE 28 4 FUEL VALVE Page 28 10 Chapter 28 Fuel System R66 Maintenance Manual 25 OCT 2010...

Страница 277: ...igures 28 2 and 28 4 Open sump drain access door Remove palnut and loosen nut securing A462 4 fitting and A522 11 fuel valve control inner wire to F670 1 fuel valve arm 2 Open baggage compartment door...

Страница 278: ...assembly from the engine fuel inlet fitting 6 Using a second suitable container push fuel valve ON and drain fuel into second container for a few seconds to purge system of air Then fill the weighed...

Страница 279: ...s 32 5 32 30 Skid Tubes 32 7 32 31 Skid Shoes 32 8 32 32 Skid Extension Replacement 32 8 32 33 Ground Handling Wheel Support Replacement 32 8 32 40 Fairing Assemblies 32 9 32 50 Maintenance 32 9 32 60...

Страница 280: ...Intentionally Blank Page 32 ii Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...

Страница 281: ...ng gear attachment 4 Using putty knife or plastic scraper cut sealant securing four cross tube rain caps to landing gear assembly and remove caps Remove sealant residue from caps cross tubes and strut...

Страница 282: ...FIGURE 32 1 LANDING GEAR ATTACHMENT Page 32 2 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...

Страница 283: ...ru right side access hole on baggage compartment aft wall and aft right landing gear attachment Install hardware special torque bolt per Section 20 33 torque stripe per Figure 5 1 5 Insert hardware th...

Страница 284: ...FIGURE 32 2 CROSS TUBE REMOVAL Page 32 4 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...

Страница 285: ...s Using brass drift tap on strut assembly collars to separate struts from cross tube Do not tap on jack tabs C Installation Refer to R66 Illustrated Parts Catalog IPC Figure 32 1 NOTE When installing...

Страница 286: ...FIGURE 32 3 SKID TUBES AND FAIRINGS Strut and skid tube angles exaggerated for clarity Page 32 6 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...

Страница 287: ...um length circumference scratch c 0 500 inch maximum width flat spot 4 Measure the thickness of skid tube s skid shoes five per skid Replace a skid shoe per Section 32 31 if damage exceeds 0 050 inch...

Страница 288: ...Remove skid extension 3 Clean interior of skid tube as practical Install new skid extension and align fastener holes 4 Install new A142 1 screws to secure aft skid shoe to skid tube Standard torque sc...

Страница 289: ...Remove and trim fairing as required reinstall per preceding steps 32 50 Maintenance 1 Refer to Figure 32 3 Verify drain holes in bottom of skid tubes are free of obstructions two per skid between two...

Страница 290: ...FIGURE 32 4 POP OUT FLOATS INSTALLATION Page 32 10 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...

Страница 291: ...inder valve punctures the metal sealing disk and 4945 psig nominal at 20 C of helium is released into the inflation manifold to inflate both floats The manifold consists of hoses fittings and a check...

Страница 292: ...FIGURE 32 5 POP OUT FLOATS CYLINDER ASSEMBLY Page 32 12 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012...

Страница 293: ...efully remove cylinder B Depressurization CAUTION Use appropriate eye and hearing protection Do not service cylinder assembly while cylinder is installed in helicopter 1 Remove cylinder per Section 32...

Страница 294: ...d 50 C 122 F or pressure to exceed 5500 psig If limits are approached stop fill and allow cylinder to cool and pressure to drop before continuing Placing cylinder in a water bath and using slow to mod...

Страница 295: ...cabin structure in three locations Carefully position cylinder in D669 6 cradle assembly 4 Engage D676 2 cable assembly ball in D760 1 trigger do not kink cable Install MS3367 4 9 ty rap as shown Cinc...

Страница 296: ...Page 32 16 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012 FIGURE 32 6 POP OUT FLOATS LEVER RIGGING AND SHEAR RIVET REPLACEMENT...

Страница 297: ...d raise collective full up push in and rotate D680 1 lever assembly safety to READY position squeeze lever to remove cable slack and verify 1 25 1 30 in between tip of lever and collective stick as sh...

Страница 298: ...Page 32 18 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012 FIGURE 32 7 POP OUT FLOATS FLOAT INSTALLATION...

Страница 299: ...Use care when removing C944 retainer strips from girts and when separating girts from skid tube and skid extension Repeat steps for opposite float B Installation 1 Refer to Figure 32 7 Verify outboard...

Страница 300: ...Page 32 20 Chapter 32 Landing Gear R66 Maintenance Manual SEP 2012 FIGURE 32 8 POP OUT FLOATS FLOAT PACKING...

Страница 301: ...ssistance of six or seven people 7 Refer to Figure 32 8 Detail D Align hoses and valve cover flaps Roll float from outboard edge toward skid tube as tightly as possible Hold float on top of skid 8 App...

Страница 302: ...ons of float cover and unroll float to expose valves 4 Inflate floats with filtered oil free dry air to 2 0 psig via topping valves 5 Allow float air temperature to stabilize for 5 minutes minimum the...

Страница 303: ...ivet Time for floats to attain full shape without wrinkles should be three seconds or less CAUTION Floats inflate rapidly and with a loud noise Keep area clear during inflation and inform all nearby p...

Страница 304: ...re drop from initial measurement is 0 20 psi adjusted for any temperature change For example float chamber pressure will decrease 0 6 psig if temperature drops 10 degrees C 8 If leaks are detected rep...

Страница 305: ...cription 52 1 52 10 Door Assembly 52 1 52 11 Door Lock Replacement 52 4 52 12 Weather Seal Door Assembly Replacement 52 4 52 13 Gas Springs 52 7 52 20 Door Vent Replacement 52 7 52 21 Weather Seal Doo...

Страница 306: ...Intentionally Blank Page 52 ii Chapter 52 Doors and Windows R66 Maintenance Manual 25 OCT 2010...

Страница 307: ...To disconnect door from gas spring mechanism a Forward Doors Pull D573 4 rod up and off of arm assembly ball joint b Aft Doors Insert flat tip screwdriver and pry up spring clip locking C394 1 gas sp...

Страница 308: ...FIGURE 52 1 DOOR ASSEMBLY Page 52 2 Chapter 52 Doors and Windows R66 Maintenance Manual 25 OCT 2010...

Страница 309: ...against door frame recess 5 Using soft pencil and a straight edge draw cross hairs through centers of door upper hinge assembly pre drilled holes Hold fitted door against frame insert new door mounte...

Страница 310: ...s install hardware and tighten screw 5 Bond hole plug in place using B270 9 adhesive 52 12 Weather Seal Door Assembly Replacement Refer to R66 Illustrated Parts Catalog IPC Figures 52 1 and 52 7 1 Rem...

Страница 311: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 52 Doors and Windows Page 52 5...

Страница 312: ...FIGURE 52 2 GAS SPRINGS AND DOOR VENTS Page 52 6 Chapter 52 Doors and Windows R66 Maintenance Manual 25 OCT 2010...

Страница 313: ...dpaper 3 Hold fitted door vent in recess and match drill hinge four 0 098 inch diameter holes Smooth hole edges clean up debris Prepare surfaces for clamping using approved solvents per Section 20 70...

Страница 314: ...le edges clean up debris Prepare surfaces for clamping using approved solvents per Section 20 70 4 Refer to Section 52 20 Verify proper vent door fit install rivets securing hinge to door assembly and...

Страница 315: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 52 Doors and Windows Page 52 9...

Страница 316: ...FIGURE 52 3 WINDSHIELD INSPECTION Page 52 10 Chapter 52 Doors and Windows R66 Maintenance Manual 25 OCT 2010...

Страница 317: ...dge of retainer strips with 1 2 masking tape This will catch silicone rubber squeeze out on installation of retainer strips 5 Remove retainer strips 6 To ensure a proper seal run a bead of B270 4 sili...

Страница 318: ...door frame in position 4 Hold windshield in place by hand and align it with frame according to contour of frame and windshield 5 Mark windshield for trim using non permanent marker such as grease penc...

Страница 319: ...ng 53 3 53 22 Mast Fairing 53 3 53 23 Tailcone Cowling 53 4 53 24 Access and Inspection Panels 53 4 53 30 Frame Assemblies 53 5 53 31 Lower Frames 53 5 53 32 Hydraulic Servo Support Frame 53 9 53 33 U...

Страница 320: ...Intentionally Blank Page 53 ii Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 321: ...ss panel under the left front seat or in the main baggage compartment depending on aircraft configuration The engine is located aft of the main baggage compartment The engine compartment is isolated f...

Страница 322: ...FIGURE 53 1 FAIRING COWLINGS AND PANELS Page 53 2 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 323: ...3 22 Mast Fairing Refer to R66 Illustrated Parts Catalog IPC Figure 53 3 A Opening and Closing 1 Refer to Figure 53 1 Remove right side screws securing F261 1 mast fairing assembly at aft vertical sea...

Страница 324: ...lcone Cowling Refer to R66 Illustrated Parts Catalog IPC Figure 53 5 A Removal and Installation 1 Refer to Figure 53 1 Thru left access door disconnect ELT antenna lead from antenna mounted to F706 1...

Страница 325: ...arness assembly as required Cut and discard ty raps as required mark wires and disconnect wires at plastic connectors to liberate frame 4 Using plastic scraper remove sealant around frame weldment s a...

Страница 326: ...FIGURE 53 2 LOWER FRAMES Page 53 6 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 327: ...ort weldment is approximately 0 93 inch from tube end to rod end centerline on each side nominal Adjust rod ends as required per Section 5 33 and Figures 5 1 5 2 Install hardware securing weldment to...

Страница 328: ...FIGURE 53 3 HYDRAULIC SERVO SUPPORT FRAME Page 53 8 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 329: ...and hardware Lift frame off of gearbox over mast assembly B Installation 1 Refer to Figure 53 3 Lower G201 1 servo support frame over mast assembly onto main rotor gearbox Install gearbox mounting bo...

Страница 330: ...19 hoseassemblyandF724 1 lineassemblyfromF823 1 thermostat assembly Plug hose and line and cap fittings Remove hardware securing F651 1 oil filter assembly to frame 12 Remove hardware securing F231 8...

Страница 331: ...and hardware securing braces to fuel bladder support and to frame 7 Install hardware securing F651 1 oil filter assembly to frame Standard torque hardware per Section 20 32 and torque stripe per Figu...

Страница 332: ...FIGURE 53 4 TAILCONE ASSEMBLY Page 53 12 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 333: ...ssembly do not pinch wiring between tailcone bulkhead and frames Install hardware securing tailcone to frames standard torque bolts per Section 20 32 and torque stripe per Figure 5 1 3 Install hardwar...

Страница 334: ...FIGURE 53 5 TAILCONE INSPECTION AND REPAIR Page 53 14 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 335: ...ceeds limits return tailcone assembly to RHC for repair If damage is within limits blend out scratches with a 0 10 inch minimum blend radius Refinish skins using approved materials per Section 20 70 B...

Страница 336: ...FIGURE 53 6 EMPENNAGE TAILCONE CASTING Page 53 16 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 337: ...ure 5 1 2 Connect position light wire connectors Secure wires and install hardware securing forward MS21919WDG3 clamp to upper horizontal stabilizer Install MS3367 4 9 or 5 9 ty raps as required to se...

Страница 338: ...izer trailing edge 4 Support C043 1 lower vertical stabilizer Remove four bolts threaded and spacers securing C043 1 stabilizer to upper horizontal stabilizer and remove C043 1 stabilizer 5 If replaci...

Страница 339: ...Install C042 1 upper vertical stabilizer and C043 1 lower vertical stabilizer per Section 53 51 3 If C044 1 stabilizer was replaced match drill C554 clips 0 144 inch diameter hole through trailing ed...

Страница 340: ...FIGURE 53 7 EMPENNAGE TAIL ROTOR GUARD Page 53 20 Chapter 53 Fuselage R66 Maintenance Manual 25 OCT 2010...

Страница 341: ...blocks 2 Lightly coat retaining hardware and mating surfaces of D082 1 tube assembly and D079 1 guard assembly with approved primer per Section 20 70 prior to installation 3 Install D081 1 spacer insi...

Страница 342: ...er to Figure 53 7 Install C470 3 spacer inside C470 1 tail skid Install tail skid and two C470 2 blocks inside C043 1 lower vertical stabilizer Install D081 4 block assembly and install hardware secur...

Страница 343: ...Rotor Assembly 62 11 62 31 Journal and Shim Calculations 62 11 62 32 Adjusting Hinge Friction 62 15 62 33 Drilling Nuts and Bolts 62 17 62 40 Inspection of Main Rotor Blades 62 19 62 41 Scratches and...

Страница 344: ...Intentionally Blank Page 62 ii Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 345: ...e spindle tusk contacts an aluminum droop stop attached to the main rotor shaft to minimize teetering when blades are at rest or turning at low RPM 62 10 Main Rotor Blades WARNING Due to potentially d...

Страница 346: ...FIGURE 62 2 TEETER HINGE HUB INSTALLATION FIGURE 62 3 CONING HINGE BLADE INSTALLATION Page 62 2 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 347: ...to R66 Illustrated Parts Catalog IPC Figures 62 1 62 3 and 62 5 1 Verify correct teeter hinge friction per Section 62 32 step 4 2 If previously installed information is unavailable perform coning hin...

Страница 348: ...FIGURE 62 4 MEASURING BOLT STRETCH Shown on teeter hinge bolt Page 62 4 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 349: ...be stretched from 0 020 0 022 inch 0 021 0 022 inch for new undrilled bolt to obtain proper clamping force Under stretching or over stretching can cause catastrophic failure of the bolts 10 Connect p...

Страница 350: ...inner lip back enough to expose junction of C147 1 spacer and C158 1 spindle Solvent clean and dry boot inner lip spacer and spindle surfaces clamped by boot inner lip Apply an approximately 1 16 inch...

Страница 351: ...per Section 20 70 Inspect journals and thrust washers for chipping of chrome plating corrosion and or wear grooves extending through chrome plating 0 0006 inch maximum wear Replace journal or thrust w...

Страница 352: ...FIGURE 62 6 MAIN ROTOR HUB BEARING INSTALLATION FIGURE 62 5 MAIN ROTOR HUB BEARING REMOVAL Page 62 8 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 353: ...r and install wet 62 21 Bearing Replacement Refer to R66 Illustrated Parts Catalog IPC Figure 62 3 1 Remove main rotor hub per Section 62 20 2 If main rotor hub is to be reinstalled with same blades m...

Страница 354: ...bearing flange contacts hub CAUTION Use MT643 1 support when installing coning hinge bearings Never install coning hinge bearings into unsupported hub 8 Seal between bearing flange and hub with epoxy...

Страница 355: ...ust washer and journal Subtract combined measured thickness of selected journal and shims inches Difference inches 4 Subtract measured length of C106 5 journal to be used on nut side inches Difference...

Страница 356: ...and thrust washer Deviate from initial trailing edge shim stack up as necessary to meet coning hinge axial play per Figure 62 8 and maintain friction requirements as follows It must be possible to man...

Страница 357: ...Intentionally Blank 25 OCT 2010 R66 Maintenance Manual Chapter 62 Main Rotor Page 62 13...

Страница 358: ...FIGURE 62 7 MEASURING TEETER HINGE FRICTION Page 62 14 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 359: ...sher and C117 shims under nut 3 Refer to Table 62 1 Measure thickness of C117 shims under teeter hinge nut Change shims as necessary to adjust friction Reducing shim stack up by 0 003 0 005 inch will...

Страница 360: ...FIGURE 62 8 MEASURING THRUST WASHER AND HUB BEARING GAP Page 62 16 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 361: ...hub bearings NOTE When a shim is replaced with a shim of a different size it will be necessary to install a new nut and bolt Drilled holes in original bolts will not align at required bolt stretch 5...

Страница 362: ...FIGURE 62 9 MEASURING BLADE DAMAGE WITH STRAIGHT EDGE Page 62 18 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010 FIGURE 62 10 SCRATCHES AND CORROSION ON SKINS AND DOUBLERS DAMAGE LIMITS...

Страница 363: ...damage using a straight edge and a thickness gage Keep straight edge parallel with the leading and trailing edges 2 If blades are installed on the helicopter measure damage using the shortest straigh...

Страница 364: ...62 20 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010 FIGURE 62 11 DENTS ON SKINS AND DOUBLERS DAMAGE LIMITS FIGURE 62 12 DENTS ON TRAILING EDGE BOND JOINTS DAMAGE LIMITS FIGURE 62 13 SPAR DA...

Страница 365: ...maximum depth dent between RS 70 00 and RS 124 00 d Maximum area of any dent or dents is 12 square inches and maximum length is 2 0 inches between RS 70 00 and RS 162 90 e Maximum area of any dent or...

Страница 366: ...er 62 Main Rotor R66 Maintenance Manual 25 OCT 2010 FIGURE 62 15 REPAIRS TO BLADE AND TRIM TAB TRAILING EDGES FIGURE 62 14 ROOT FITTING DAMAGE FIGURE 62 16 MINIMUM CHORD AFTER BLADE AND TRIM TAB TRAIL...

Страница 367: ...de Tip 1 Refer to Figure 62 15 and Section 62 50 for repair procedures for damage within limits Blend out nicks and notches in blade trailing edge for 1 0 inch minimum each side of nick or notch with...

Страница 368: ...FIGURE 62 17 BLADE TIP REPAIR LIMITS Page 62 24 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010 FIGURE 62 18 TIP CAP SPAR AND TRAILING EDGES VOID AND DEBOND LIMITS...

Страница 369: ...e debonded from the outboard tip to 1 0 inch inboard Voids that are separated by less than 0 25 inch shall be considered continuous b Non Critical Areas Area more than 50 inch spanwise or more than 30...

Страница 370: ...Page 62 26 Chapter 62 Main Rotor R66 Maintenance Manual 25 OCT 2010 FIGURE 62 20 HONEYCOMB VOID AND DEBOND LIMITS FIGURE 62 19 DOUBLERS VOID AND DEBOND LIMITS...

Страница 371: ...equired Visually inspect and verify all damage is removed 5 Measure reworked area and verify material removed and or new chord dimension is permissible per Section 62 40 6 Seal and fill per Section 62...

Страница 372: ...t abrasive paper or very fine Scotch Brite and wipe down with a lint free cloth dampened with enamel cleaner prior to applying new coat NOTE Best results are achieved if primer is allowed to air dry f...

Страница 373: ...M Section Title Page 63 00 Description 63 1 63 10 Engine Shaft Weldment 63 1 63 11 Engine Driveline Forward Flex Plate Shimming 63 2 63 12 Clutch Assembly 63 5 63 20 Main Rotor Gearbox Assembly 63 6 6...

Страница 374: ...Intentionally Blank Page 63 ii Chapter 63 Main Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 375: ...453 1 box assembly to F234 1 firewall 4 Remove hardware securing forward A947 2 flex plate assembly to F910 1 main gearbox yoke and F642 1 engine shaft weldment forward flange noting hardware removed...

Страница 376: ...ly to F910 1 main gearbox yoke and F642 1 engine shaft weldment forward flange Remove flex plate and temporarily suppport forward portion of shaft weldment 3 Measure flex plate thickness at bonded was...

Страница 377: ...een forward A947 2 flex plate and F910 1 main gearbox yoke Shim required between forward A947 2 flex plate and F642 1 engine shaft weldment forward flange 0 041 inch or greater negative number NAS1149...

Страница 378: ...FIGURE 63 1 ENGINE DRIVELINE Page 63 4 Chapter 63 Main Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 379: ...on 1 Refer to Figure 63 1 Lubricate F018 1 clutch assembly splines using B270 21 protectant 2 Route clutch assembly through main rotor gearbox compartment insert clutch assembly in Rolls Royce engine...

Страница 380: ...19 and D205 20 hose assemblies from F006 1 main rotor gearbox and D500 3 oil pump Cap and plug fittings and hoses 8 Disconnect F059 01 cabin harness assembly plug from F049 01 gearbox harness assembl...

Страница 381: ...ly plug to F049 01 gearbox harness assembly receptacle 7 Remove caps and plugs and connect D205 19 and D205 20 hose assemblies to gearbox and D500 3 oil pump Using back up wrench special torque hose n...

Страница 382: ...nstall spacer 2 Clean and dry F254 1 cover verify open face of seal points toward gearbox and press in new seal until completely seated 3 Replace A215 149 o ring as required Install cover assembly ove...

Страница 383: ...to pinion then remove yoke 4 Remove rotor brake per Section 63 30 5 Remove F255 1 cover with C966 8 seal but do not remove shims under pinion bearing 6 Using hydraulic press press old seal from cover...

Страница 384: ...FIGURE 63 2 ROTOR BRAKE Page 63 10 Chapter 63 Main Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 385: ...ure 5 1 4 Install yoke on pinion shaft Place a wood block between firewall and yoke flange to prevent yoke from rotating Install pinion retaining nut and washer and special torque nut per Section 20 3...

Страница 386: ...g G110 1 arm assembly to 2 G111 1 bars and B112 2 lever but do not torque 2 Lubricate spacers with A257 1 grease and install in new G109 1 arm assembly Install D774 4 spring and install hardware secur...

Страница 387: ...mbly 64 1 64 11 Static Balance 64 5 64 20 Tail Rotor Blades 64 8 64 30 Tail Rotor Blade Inspection and Repair 64 9 64 31 Scratches and Corrosion 64 9 64 32 Dents 64 9 64 33 Erosion 64 11 64 34 Root Fi...

Страница 388: ...Intentionally Blank Page 64 ii Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 389: ...hed to the output shaft 64 10 Tail Rotor Assembly Refer to R66 Illustrated Parts Catalog IPC Figure 64 1 A Removal 1 Refer to Figure 64 1 Tag each pitch link with corresponding blade serial number for...

Страница 390: ...FIGURE 64 1 TAIL ROTOR INSTALLATION Page 64 2 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 391: ...namic check 4 Fabricate a tracking aid using 1x12 inch aluminum sheet make a 90 bend 2 inches from one end With tail rotor horizontal tape tracking aid to tailcone near blade tip 5 Rotate tail rotor d...

Страница 392: ...FIGURE 64 2 CHORDWISE STATIC BALANCE Page 64 4 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 393: ...blade is the light blade 3 To simulate pitch link attachment assemble hardware as shown and install in blade pitch horns Install standard washer nut and palnut on heavy blade fastener Standard torque...

Страница 394: ...FIGURE 64 3 SPANWISE STATIC BALANCE Page 64 6 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 395: ...rson 20 or equivalent balancing stand Hold tail rotor assembly horizontally then allow to fall The falling blade is the heavy blade the rising blade is the light blade 4 Spanwise balancing is achieved...

Страница 396: ...ved apply light coat of approved primer per Section 20 70 to outer surface of C138 2 bushings while primer is wet press bushings flush with inboard side of hub inboard arm bushings will seat properly...

Страница 397: ...rify damage does not exceed the following limits a 0 008 inch maximum damage between RS 18 00 and RS 30 00 b 0 005 inch maximum damage more than 15 spanwise between RS 18 00 and inboard c 0 008 inch m...

Страница 398: ...FIGURE 64 4 TAIL ROTOR BLADE INSPECTION CRITERIA NOTE See text for additional inspection criteria Page 64 10 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 399: ...Replace any blade where erosion has caused deformation or ripples in the leading edge 64 34 Root Fitting Damage 1 Verify damage does not exceed the following limits a No repairs permitted within 1 5...

Страница 400: ...FIGURE 64 6 ELASTOMERIC BEARING INSTALLATION FIGURE 64 5 ELASTOMERIC BEARING REMOVAL Page 64 12 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 401: ...T556 11 bearing removal and installation tools Wipe away excess primer 3 Repeat steps for second bearing as required 64 42 Inspection 1 Remove tail rotor blades per Section 64 20 and inspect blades pe...

Страница 402: ...Intentionally Blank Page 64 14 Chapter 64 Tail Rotor R66 Maintenance Manual 25 OCT 2010...

Страница 403: ...00 Description 65 1 65 10 Tail Rotor Drive Fan Shaft 65 1 65 20 Tail Rotor Drive Shaft Assembly 65 3 65 21 Runout 65 5 65 22 Damper Assembly 65 7 65 30 Tail Rotor Driveline Intermediate Flex Plate Shi...

Страница 404: ...Intentionally Blank Page 65 ii Chapter 65 Tail Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 405: ...iate C947 3 flex plate assembly to F196 1 tail rotor fan shaft aft flange and D224 3 tail rotor drive shaft assembly forward yoke noting hardware removed Remove flex plate and temporarily support aft...

Страница 406: ...FIGURE 65 1 TAIL ROTOR DRIVELINE Page 65 2 Chapter 65 Tail Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 407: ...required 2 Install hardware securing drive shaft to aft C947 3 plate assembly as removed and remove support Standard torque fasteners per Section 20 32 and torque stripe per Figure 5 1 Install A558 2...

Страница 408: ...FIGURE 65 2 RUNOUT Page 65 4 Chapter 65 Tail Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 409: ...essing dial indicator firmly against inspection hole edges Have a second person rotate rotor system by turning tail rotor hub 4 Rotate rotor system slowly smoothly and for several revolutions until th...

Страница 410: ...FIGURE 65 4 DAMPER ASSEMBLY Page 65 6 Chapter 65 Tail Rotor Drive System R66 Maintenance Manual SEP 2012...

Страница 411: ...stripe per Figure 5 1 3 Attach a calibrated spring scale to Point A Holding link verify force required to rotate arm about Point B is 3 5 5 8 lb Adjust as required per Part C 4 Attach a calibrated sp...

Страница 412: ...ch Total 4 inch Flex plate average thickness 3 a Position F196 1 fan shaft aft flange arms and D224 3 tail rotor drive shaft assembly forward yoke flange arms at 3 o clock and 9 o clock positions hori...

Страница 413: ...between intermediate C947 3 flex plate and D224 3 tail rotor drive shaft forward yoke 0 017 or greater negative number NAS1149F0432P washer between forward C947 3 flex plate assembly and F908 1 yoke a...

Страница 414: ...on tail rotor gearbox assembly on tailcone casting and install mounting hardware Special torque screws per Section 20 33 and torque stripe per Figure 5 1 2 Connect chip detector wiring at plastic conn...

Страница 415: ...Clean and dry cap especially seal seating surface and o ring groove 6 Verify open face of seal points toward gearbox and press new seal into cap bore 0 160 inches from external surface Lightly coat n...

Страница 416: ...A966 3 seal and C215 140 o ring CAUTION Do not remove C141 2 washer between cap and bearing 4 Using hydraulic press press old seal from cap Remove and discard o ring Clean and dry cap especially seal...

Страница 417: ...ction 67 8 67 30 Jackshaft and Strut Assembly 67 8 67 31 Jackshaft 67 8 67 40 Swashplate 67 9 67 41 Swashplate Tilting Friction Adjustment 67 11 67 42 Upper and Lower Scissor Assemblies 67 11 67 50 Hy...

Страница 418: ...Intentionally Blank Page 67 ii Chapter 67 Flight Controls R66 Maintenance Manual MAR 2012...

Страница 419: ...ARNING Assembly of flight controls is critical and requires inspection by a qualified person If a second person is not available the installer must take a 5 minute break prior to inspecting flight con...

Страница 420: ...FIGURE 67 1 MAIN ROTOR FLIGHT CONTROLS Page 67 2 Chapter 67 Flight Controls R66 Maintenance Manual MAR 2012...

Страница 421: ...push pull tube assembly aft through belly B Installation 1 Refer to Figure 67 1 Verify center to center distance between rod end and spherical bearings in G205 5 fork is 5 40 0 03 inches adjust as re...

Страница 422: ...7 12 Cyclic Grip Assembly A Removal NOTE This may be accomplished without removal of complete cyclic assembly from rotorcraft 1 Remove forward belly panel 2 Refer to Figure 67 1 Disconnect wiring conn...

Страница 423: ...n placed full up Install circular plug 4 Temporarily attach grip assembly wiring to safety wire or lacing exiting atop cyclic stick Carefully pull wires thru cyclic stick Install grommet included with...

Страница 424: ...ply collective friction 2 Refer to Figure 6 8 Remove F445 1 forward tunnel cover F680 3 pilot s collective cover F680 1 co pilot s collective cover F463 1 mid tunnel cover and F461 1 collective cross...

Страница 425: ...nd torque stripe per Figure 5 1 6 Refer to Figure 6 8 Slide F680 3 collective cover over center collective stick aft of friction assembly 7 Insert A130 4 spacer into lower end of A333 1 collective tra...

Страница 426: ...ting jackshaft to G201 1 frame 3 Remove jackshaft B Installation 1 Ensure A105 6 journal is installed in jackshaft aft support on G201 1 frame Position F339 1 jackshaft on G201 1 frame and install bol...

Страница 427: ...side of middle of three lugs on lower non rotating swashplate Connect aft push pull tube to right side of aft single lug on lower swashplate Standard torque bolts per Section 20 32 Install palnuts and...

Страница 428: ...Section 20 32 Install palnut special torque per Section 20 33 and torque stripe per Figure 5 1 11 Connect upper A205 fork rod end and lower rod end of C258 pitch link to interrupter side swashplate ea...

Страница 429: ...friction Decreasing shim stack thickness increases tilting friction while increasing spacer stack thickness decreases tilting friction Install and special torque per Section 20 33 all inner screws on...

Страница 430: ...Page 67 12 Chapter 67 Flight Controls R66 Maintenance Manual MAR 2012 FIGURE 67 2 HYDRAULIC FLIGHT CONTROL SYSTEM...

Страница 431: ...ervoir and accessible via a left side cowl door A vented filler cap is located on top of the reservoir The pressure shut off valve is solenoid actuated and controlled by the hydraulic switch on the pi...

Страница 432: ...ystem per Section 12 34 8 Install a 110 4 Telatemp on aft surface of pump 9 Install tailcone cowling per Section 53 23 67 52 Hydraulic Reservoir A Removal 1 Temporarily install a DO NOT MOVE FLIGHT CO...

Страница 433: ...itioning tee fittings as required and special torque per Section 20 33 4 Connect servo supply and return hoses to reservoir Position hose elbows to minimize preload and special torque per Section 20 3...

Страница 434: ...FIGURE 67 3B HYDRAULIC SERVO RIGGING FIGURE 67 3A HYDRAULIC SYSTEM SCHEMATIC Page 67 15A Chapter 67 Flight Controls R66 Maintenance Manual MAR 2012...

Страница 435: ...8 tube s lower rod end to F339 1 jackshaft weldment 5 Disconnect D205 hose assemblies from servo unions and tees Cap and plug fittings 6 Remove hardware securing servo to G201 1 frame weldment and rem...

Страница 436: ...otectant and install C343 8 tube Adjust tube on servo s rod end and tube s rod end to the center to center dimension between rod ends recorded during servo removal and with rod ends 90 to each other T...

Страница 437: ...34 11 Perform the following measurements on all servos just installed a Measure record dimension between clevis hole center top of servo piston b Apply cyclic and collective frictions With collective...

Страница 438: ...FIGURE 67 4 TAIL ROTOR FLIGHT CONTROLS Page 67 18 Chapter 67 Flight Controls R66 Maintenance Manual MAR 2012...

Страница 439: ...CAUTION DO NOT remove the rod ends or change the length of the push pull tubes 5 Remove six NAS6603 20 bolts three per side which hold the A318 1 and 2 bearing block halves together 6 Remove the lowe...

Страница 440: ...1 Verify inner bore of C031 1 pitch control is clean Slide pitch control assembly onto clean output shaft 2 With pitch control s input stud thru short arm of A120 5 bellcrank assembly position bellcra...

Страница 441: ...ction 20 33 2 Install support assembly in helicopter and secure with four MS27039C0807 screws 3 C343 11 push pull tube s rod end center to center dimension to 6 00 inches and connect it to the C317 5...

Страница 442: ...alnut special torque per Section 20 33 and torque stripe per Figure 5 1 3 Connect F121 9 push pull tube assembly to C317 7 bellcrank and standard torque bolt per Section 20 32 Install palnut special t...

Страница 443: ...d standard torque bolt per Section 20 32 Install palnut special torque per Section 20 33 and torque stripe per Figure 5 1 7 Move pedal full travel Verify smooth movement and no interference 8 Install...

Страница 444: ...onnect C121 17 push pull tube from A120 5 aft bellcrank 2 Disconnect bellcrank pivot from C021 1 tail rotor gearbox 3 Remove nut holding bellcrank to the pitch control Remove bellcrank and reinstall n...

Страница 445: ...r Rolls Royce Maintenance Facility 71 6 71 12 Preparing Engine for Helicopter Installation 71 7 71 20 Induction 71 11 71 21 Air Filter Assembly 71 11 71 22 Cage Assembly 71 12 71 23 Engine Inlet Bellm...

Страница 446: ...Intentionally Blank Page 71 ii Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...

Страница 447: ...he plenum contains a radial flow air filter at the engine compressor inlet If the air filter becomes blocked spring loaded doors at the front of the filter housing open allowing unfiltered air to the...

Страница 448: ...Page 71 2 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012 FIGURE 71 1 ENGINE RIGHT SIDE...

Страница 449: ...2 60 drain engine oil per RR300 Operation and Maintenance Manual OMM Refer to Figure 79 2 Remove hardware securing F723 oil line assembly clamps Loosen F723 1 F723 2 and F723 3 line assembly B nuts fr...

Страница 450: ...Page 71 4 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012 FIGURE 71 2 ENGINE LEFT SIDE...

Страница 451: ...rdware securing line assembly clamps 8 Refer to Figure 79 2 Remove caps and torque check engine oil line fittings per RR300 OMM Remove plugs and connect F723 1 F723 2 and F723 3 line assembly B nuts t...

Страница 452: ...and discard ty raps as required and disconnect G426 1 fuel differential pressure switch assembly wire from harness at connectors Cut and discard stand off ty raps at switch wire and F741 1 line assemb...

Страница 453: ...torque bolts per Section 20 32 and torque stripe per Figure 5 1 Install 0 032 inch diameter lockwire and safety bolt heads together Seal cover edges with B270 1 sealant 2 Install D745 3 pressure swit...

Страница 454: ...nstall engine inlet bellmouth per Section 71 23 Part B steps 1 2 Install bellmouth cover 15 To install F049 09 harness assembly a Position F577 1 bracket assembly on F049 09 harness assembly s D38999...

Страница 455: ...to Figure 71 4 Verify F169 2 exhaust base and engine exhaust collector mating surfaces are clean and dry and lay 0 25 inch bead 7020 3 ceramic putty on top of exhaust collector flange Position F169 2...

Страница 456: ...FIGURE 71 3 INDUCTION Page 71 10 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...

Страница 457: ...rom F059 01 cabin harness at G258 4 strap 4 Loosen B277 4 clamp securing A729 42 tube to G738 1 nozzle pull tube off of nozzle 5 Pull filter forward off of G057 1 cage assembly B Installation 1 Refer...

Страница 458: ...ction 65 10 71 23 Engine Inlet Bellmouth Refer to R66 Illustrated Parts Catalog IPC Figure 71 11 A Removal 1 Remove engine per Section 75 10 2 Refer to Figure 71 3 Remove F579 1 bellmouth cover and lo...

Страница 459: ...Intentionally Blank SEP 2012 R66 Maintenance Manual Chapter 71 Powerplant Page 71 13...

Страница 460: ...FIGURE 71 4 EXHAUST Page 71 14 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...

Страница 461: ...re 71 4 If F169 2 base is installed proceed to step 3 Verify base and engine exhaust collector mating surfaces are clean and dry and lay 0 25 inch bead 7020 3 ceramic putty on top of exhaust collector...

Страница 462: ...ing Install hardware special torque nuts per Section 20 33 and torque stripe per Figure 5 1 3 Install engine cowling assembly per Section 53 21 71 42 Generator Control Unit GCU Refer to R66 Illustrate...

Страница 463: ...rity 2 Connect F059 01 cabin electrical harness EMU plug and F049 07 USB harness plug to EMU 3 Turn BATTERY switch ON After 10 seconds press annunciator panel test button verify EMU amber warning segm...

Страница 464: ...Intentionally Blank Page 71 18 Chapter 71 Powerplant R66 Maintenance Manual SEP 2012...

Страница 465: ...CHAPTER 75 ENGINE AIR SYSTEMS Section Title Page 75 00 Description 75 1 75 10 Engine Anti Ice 75 1 25 OCT 2010 R66 Maintenance Manual Chapter 75 Engine Air Systems Page 75 i...

Страница 466: ...Intentionally Blank Page 75 ii Chapter 75 Engine Air Systems R66 Maintenance Manual 25 OCT 2010...

Страница 467: ...Operating Handbook The engine anti ice system includes an air valve a solenoid valve and a pressure switch The air valve is mounted on top of the compressor scroll the solenoid valve and pressure swit...

Страница 468: ...Intentionally Blank Page 75 2 Chapter 75 Engine Air Systems R66 Maintenance Manual 25 OCT 2010...

Страница 469: ...ER 76 ENGINE CONTROLS Section Title Page 76 00 Description 76 1 76 10 Fuel Control Unit FCU 76 1 76 11 FCU Throttle Control Rigging 76 3 76 12 FCU Fuel Cutoff Control Rigging 76 3 76 20 Power Turbine...

Страница 470: ...Intentionally Blank Page 76 ii Chapter 76 Engine Controls R66 Maintenance Manual 25 OCT 2010...

Страница 471: ...itions generated by aggressive flight maneuvers or rapid power changes Other engine controls include a push pull fuel cutoff control on the console face a start button on the pilot s collective a key...

Страница 472: ...FIGURE 76 1 FUEL CONTROL UNIT Page 76 2 Chapter 76 Engine Controls R66 Maintenance Manual SEP 2012...

Страница 473: ...idle stop Verify sufficient inner wire beyond aft edge of fitting and special torque fitting nut per Section 20 33 8 Rotate twist grip open verify FCU throttle lever contacts maximum throttle stop and...

Страница 474: ...FIGURE 76 2 POWER TURBINE GOVERNOR Page 76 4 Chapter 76 Engine Controls R66 Maintenance Manual 25 OCT 2010...

Страница 475: ...al OMM 2 Perform PTG control rigging per Section 76 21 76 21 PTG Control Rigging 1 Remove engine cowling assembly per Section 53 21 Detach center back rest assembly hook and loop tape Velcro at bottom...

Страница 476: ...FIGURE 76 3 PTG BEEP ACTUATOR ASSEMBLY Page 76 6 Chapter 76 Engine Controls R66 Maintenance Manual 25 OCT 2010...

Страница 477: ...mbly in keyhole slots and slide down press firmly on back rest assembly hook and loop tape at bottom Verify security 76 22 PTG Rigging Check 1 Turn BATTERY switch ON 2 Refer to Figure 76 2 With collec...

Страница 478: ...Intentionally Blank Page 76 8 Chapter 76 Engine Controls R66 Maintenance Manual 25 OCT 2010...

Страница 479: ...L SYSTEM Section Title Page 79 00 Description 79 1 79 10 Scroll and Fanwheel Assemblies 79 3 79 11 Fanwheel to Inlet Gaps 79 3 79 20 Oil Tank Assembly 79 5 79 21 Oil Temperature Sender 79 6 79 22 Sigh...

Страница 480: ...Intentionally Blank Page 79 ii Chapter 79 Engine Oil System R66 Maintenance Manual SEP 2012...

Страница 481: ...ch is vented to the exhaust pipe The engine oil cooler has an internal thermostat and pressure relief valve The thermostat maintains normal system operating pressure by allowing cool oil to bypass the...

Страница 482: ...FIGURE 79 2 SCROLL AND FANWHEEL ASSEMBLIES Page 79 2 Chapter 79 Engine Oil System R66 Maintenance Manual SEP 2012...

Страница 483: ...Observing AFT orientation marking on fanwheel plate place G174 1 fanwheel assembly inside F236 1 scroll assembly accordingly Position F305 5 inlets on scroll and install hardware Verify security 2 Low...

Страница 484: ...FIGURE 79 3 ENGINE OIL SYSTEM Page 79 4 Chapter 79 Engine Oil System R66 Maintenance Manual SEP 2012...

Страница 485: ...bly Verify security Install hardware securing fan shaft to plate assemblies standard torque nuts and palnuts per Section 20 32 and torque stripe per Figure 5 1 7 Measure fanwheel to inlet gaps per Par...

Страница 486: ...ckwire and safety tube to drain 9 Service engine oil per Section 12 60 10 Install tailcone cowling assembly per Section 53 23 79 21 Oil Temperature Sender Refer to R66 Illustrated Parts Catalog IPC Fi...

Страница 487: ...l per Section 12 60 2 Refer to Figure 79 3 Remove fasteners securing F649 1 oil cooler to F309 1 box assembly 3 Remove hardware securing line assembly clamps 4 Support oil cooler without damaging oil...

Страница 488: ...1 Refer to Figure 79 3 Remove caps from unions Torque check F649 1 oil cooler unions and or G689 1 oil tank assembly nuts per Section 20 33 torque check engine oil line unions and or check valve early...

Страница 489: ...r 95 5 95 24 Altimeter 95 5 95 25 Torquemeter 95 6 95 26 Magnetic Compass 95 6 95 30 Engine Gages 95 6 95 31 N1 Tachometer 95 6 95 32 Measured Gas Turbine Temperature MGT Gage 95 6 95 33 Engine Oil Pr...

Страница 490: ...Intentionally Blank Page 95 ii Chapter 95 Instrument System R66 Maintenance Manual 25 OCT 2010...

Страница 491: ...recording time in service Space is provided for optional instruments and avionics The pitot static system supplies air pressure to operate the airspeed indicator altimeter and vertical speed indicator...

Страница 492: ...FIGURE 95 1 PITOT STATIC SYSTEM Page 95 2 Chapter 95 Instrument System R66 Maintenance Manual 25 OCT 2010...

Страница 493: ...e drain hole and verify airspeed indicator has returned to zero 7 Remove test equipment B Static System Leak Test CAUTION Airspeed indicator altimeter and vertical speed indicator may be damaged if su...

Страница 494: ...Page 95 4 Chapter 95 Instrument System R66 Maintenance Manual 25 OCT 2010 FIGURE 95 2 PITOT STATIC SYSTEM...

Страница 495: ...earbox has oil pressure Therefore the tachometers will receive power through the bypass circuit whenever the rotors are turning even if the avionics bus is not powered The bypass circuit is disconnect...

Страница 496: ...device mounted atop the engine s accessory gearbox adjacent to the hoisting lug 95 32 Measured Gas Turbine Temperature MGT Gage The measured gas temperature MGT gage connects to the engine s thermocou...

Страница 497: ...ated by main gearbox oil pressure Another hourmeter on the horizontal panel outboard of the pilot s seat is activated by a combination of main gearbox oil pressure and a raised collective and is appro...

Страница 498: ...Intentionally Blank Page 95 8 Chapter 95 Instrument System R66 Maintenance Manual 25 OCT 2010...

Страница 499: ...96 1 96 10 Battery 96 2 96 20 External Power 96 5 96 30 Starter and Ignition System 96 5 96 40 Lighting System 96 6 96 50 Annunciator Panel 96 6 96 60 Low Rotor RPM Warning Unit Adjustment 96 7 96 70...

Страница 500: ...Intentionally Blank Page 96 ii Chapter 96 Electrical System R66 Maintenance Manual SEP 2012...

Страница 501: ...tch controls power to avionics This allows avionics to be switched OFF via a single switch Having sensitive electrical equipment off when the generator is switched ON protects against voltage spikes A...

Страница 502: ...Page 96 2 Chapter 96 Electrical System R66 Maintenance Manual SEP 2012 FIGURE 96 1 AFT BATTERY INSTALLATIONS...

Страница 503: ...rdware securing G248 1 baggage compartment cover and remove cover 2 Remove hardware securing negative ground cable to battery negative terminal 3 Slide nipple away from battery positive terminal and r...

Страница 504: ...t battery Install G248 1 baggage compartment cover and install hardware Verify security Close and latch baggage compartment door 7 Aft battery a If B237 7 battery was removed and B237 8 battery was ju...

Страница 505: ...ore the pilot is not required to hold the start button down throughout the start sequence Above 58 percent N1 RPM the GCU automatically switches out of start mode but the generator switch should not b...

Страница 506: ...e problem The CHIP segments are illuminated by magnetic chip devices in each gearbox which collect metallic particles in order to complete an electric circuit The engine gearbox has two magnetic chip...

Страница 507: ...cation radios intercom and stereo capable auxiliary audio e g music input The system has four modes of operation In normal mode all occupants hear incoming and outgoing radio communications intercom a...

Страница 508: ...e when N1 exceeds 30 and MGT is at least 343 C The EMU is intended to be used only as a maintenance aid It is the pilot s responsibility to report any observed exceedances and the operator s responsib...

Страница 509: ...0 025 TORQ SENDER 1 0 025 0 025 0 025 0 025 LOW RPM UNIT W HORN 1 0 045 0 160 0 045 0 160 AA12S 600 AUDIO PANEL 1 1 000 1 000 1 000 1 000 N2 GOVERNOR SYSTEM 1 0 000 0 0871 0 000 0 0871 N2 GOV ACTUATOR...

Страница 510: ...L WHT 1 0 300 0 300 0 300 0 300 STROBE LIGHT 1 0 670 3 000 0 670 3 000 SUBTOTAL LIGHTS BUS 5 961 15 591 COMPONENT QTY CONTINUOUS AMPS EACH INTERMITTENT AMPS EACH CONTINUOUS TOTAL INTERMITTENT TOTAL AV...

Страница 511: ...H RELAY 1 0 060 0 060 0 060 0 060 CLOCK DIGITAL 1 0 003 0 003 0 003 0 003 BATTERY RELAY 1 0 250 6 000 0 250 6 000 START GEN RELAY 1 0 250 6 000 0 250 6 000 GEN LT RELAY 1 0 010 0 010 0 010 0 010 GEN C...

Страница 512: ...Intentionally Blank Page 96 12 Chapter 96 Electrical System R66 Maintenance Manual SEP 2012...

Страница 513: ...AMS Figure Title Page 98 1 R66 Electrical System F024 Revision I 98 1 98 2 R66 Electrical System F024 Revision G 98 2 98 3 Air Conditioning Installation 98 3 98 4 ADF Installation 98 5 98 5 Standard A...

Страница 514: ...Intentionally Blank Page 98 ii Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...

Страница 515: ...SEP 2012 R66 Maintenance Manual Chapter 98 Wiring Diagrams Page 98 1 FIGURE 98 1 R66 ELECTRICAL SYSTEM INSTALLATION F024 Revision I shown...

Страница 516: ...Page 98 2 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012 FIGURE 98 2 R66 ELECTRICAL SYSTEM INSTALLATION F024 Revision G shown...

Страница 517: ...SEP 2012 R66 Maintenance Manual Chapter 98 Wiring Diagrams Page 98 3 FIGURE 98 3 AIR CONDITIONING INSTALLATION...

Страница 518: ...Page 98 4 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012 Intentionally Blank...

Страница 519: ...FIGURE 98 4 ADF INSTALLATION SEP 2012 R66 Maintenance Manual Chapter 98 Wiring Diagrams Page 98 5...

Страница 520: ...Intentionally Blank Page 98 6 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...

Страница 521: ...SEP 2012 R66 Maintenance Manual Chapter 98 Wiring Diagrams Page 98 7 FIGURE 98 5 STANDARD AUDIO SYSTEM...

Страница 522: ...Page 98 8 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012 Intentionally Blank...

Страница 523: ...FIGURE 98 6 DUAL AUDIO CONTROL INSTALLATION SEP 2012 R66 Maintenance Manual Chapter 98 Wiring Diagrams Page 98 9...

Страница 524: ...Intentionally Blank Page 98 10 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...

Страница 525: ...FIGURE 98 7 PA SIREN INSTALLATION SEP 2012 R66 Maintenance Manual Chapter 98 Wiring Diagrams Page 98 11...

Страница 526: ...Intentionally Blank Page 98 12 Chapter 98 Wiring Diagrams R66 Maintenance Manual SEP 2012...

Страница 527: ...CHAPTER 99 SPECIAL TOOLS Section Title Page 99 10 Special Tools 99 1 99 20 Illustrations and Tasks 99 3 25 OCT 2010 R66 Maintenance Manual Chapter 99 Special Tools Page 99 i...

Страница 528: ...Intentionally Blank Page 99 ii Chapter 99 Special Tools R66 Maintenance Manual 25 OCT 2010...

Страница 529: ...is a list of Robinson R66 special tools R66 special tools are to be used in conjunction with the applicable instructions for continued airworthiness for their designated maintenance task 25 OCT 2010...

Страница 530: ...Page 99 2 Chapter 99 Special Tools R66 Maintenance Manual 25 OCT 2010 FIGURE 99 1 SPECIAL TOOLS...

Страница 531: ...ROTOR HUB BEARING REPLACEMENT 8 MT352 1 Main Rotor Blade Trim Tab Gage REFER TO SECTION 18 13 MAIN ROTOR BLADE TRACK ADJUSTMENT 9 MT354 4 Teeter Moment Tool REFER TO SECTION 62 32 ADJUSTING HINGE FRIC...

Страница 532: ...FIGURE 99 2 SPECIAL TOOLS Page 99 4 Chapter 99 Special Tools R66 Maintenance Manual SEP 2012...

Страница 533: ...ols Tail Rotor Hub Bearing Replacement REFER TO SECTION 64 41 TAIL ROTOR HUB BEARING REPLACEMENT 25 MT643 1 Support Weldment Main Rotor Hub Bearing Installation REFER TO SECTION 62 21 MAIN ROTOR HUB B...

Страница 534: ...Page 99 6 Chapter 99 Special Tools R66 Maintenance Manual SEP 2012 FIGURE 99 3 SPECIAL TOOLS...

Страница 535: ...CHAPTER 100 REVISION LOG Section Title Page Revision Log 100 1 SEP 2012 R66 Maintenance Manual Chapter 100 Revision Log Page 100 i...

Страница 536: ...Intentionally Blank Page 100 ii Chapter 100 Revision Log R66 Maintenance Manual SEP 2012...

Страница 537: ...4 i 25 OCT 2010 4 ii 25 OCT 2010 4 1 SEP 2011 4 2 SEP 2011 4 3 25 OCT 2010 4 4 25 OCT 2010 4 5 25 OCT 2010 4 6 25 OCT 2010 4 7 25 OCT 2010 4 8 25 OCT 2010 5 i SEP 2012 5 ii SEP 2012 5 1 SEP 2012 5 2...

Страница 538: ...11 4 SEP 2012 11 5 SEP 2012 11 6 SEP 2012 11 7 SEP 2012 11 8 SEP 2012 12 i SEP 2012 12 ii SEP 2012 12 1 SEP 2012 12 2 SEP 2012 12 3 SEP 2012 12 4 SEP 2012 12 5 SEP 2012 12 6 SEP 2012 12 7 SEP 2012 12...

Страница 539: ...12 25 3 SEP 2012 25 4 SEP 2012 25 5 SEP 2012 25 6 SEP 2012 25 7 SEP 2012 25 8 SEP 2012 25 9 25 OCT 2010 25 10 25 OCT 2010 25 11 25 OCT 2010 25 12 25 OCT 2010 28 i 25 OCT 2010 28 ii 25 OCT 2010 28 1 25...

Страница 540: ...16 25 OCT 2010 62 17 25 OCT 2010 62 18 25 OCT 2010 62 19 25 OCT 2010 62 20 25 OCT 2010 62 21 25 OCT 2010 62 22 25 OCT 2010 62 23 25 OCT 2010 62 24 25 OCT 2010 62 25 25 OCT 2010 62 26 25 OCT 2010 62 2...

Страница 541: ...P 2012 71 16 SEP 2012 71 17 SEP 2012 71 18 SEP 2012 75 i 25 OCT 2010 75 ii 25 OCT 2010 75 1 25 OCT 2010 75 2 25 OCT 2010 76 i 25 OCT 2010 76 ii 25 OCT 2010 76 1 SEP 2012 76 2 SEP 2012 76 3 25 OCT 2010...

Страница 542: ...Page Date Page Date Page Date 98 12 SEP 2012 99 i 25 OCT 2010 99 ii 25 OCT 2010 99 1 25 OCT 2010 99 2 25 OCT 2010 99 3 SEP 2012 99 4 SEP 2012 99 5 SEP 2012 99 6 SEP 2012 100 i SEP 2012 100 ii SEP 2012...

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