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Page 62.ii Chapter 62 Main Rotor JUL 2020

Table of Contents

Table of Contents7
- Chapter 13
- Introduction3
  - Table of Contents7
- R66 Maintenance Manual Revisions9
- Component Maintenance Authorization10
- Maintenance Record10
- R66 Maintenance Authorization10
- Maintenance Manual and Illustrated Parts Catalog References11
- Notations11
- Definitions and Abbreviations12
- Service Information14
- Assembly Instructions for R66 Helicopter Crated for Export15
- Helicopter Servicing21
  - Scheduled Maintenance and Inspections21
  - Additional Component Maintenance22
Airworthiness Limitations29
- Chapter 4 Airworthiness Limitations31
- Life-Limited Components31
  - Time-In-Service Records31
  - Fatigue Life-Limited Parts32
- Type Certificate Data Sheet (TCDS)32
- Airworthiness Limitations39
Table of Contents41
- Chapter 542
- Section Title42
- General Procedures43
- Introduction43
- Reserved]43
- Operation Checks for 100-Hour/Annual Inspection50
- 100-Hour/Annual Inspection87
- 2000-Hour/12-Year Inspection91
- Special Maintenance and Inspections97
Table of Contents111
- Chapter 6 Dimensions and Descriptions113
- Datum113
- Method of Measurement113
- Version Description113
- External Dimensions115
- Baggage Compartment Dimensions116
- Station Diagrams118
  - Fuselage Station (FS) Locations118
  - Tailcone Station (TS) Locations119
Page 8.I133
- Leveling135
  - Leveling for Weight and Balance135
  - Leveling for Rigging137
- Weighing139
  - Preparing Helicopter for Weighing139
  - Weighing Procedure and Calculations141
- Fixed Ballast145
  - Nose Ballast145
  - Empennage Ballast147
Page 10.I155
- Parking157
- Storage (Greater than 30 Days)162
Table of Contents167
- Chapter 12169
- Main Rotor Gearbox169
- Servicing169
- Chip Detector and Sight Gage171
- Filter Replacement171
- Tail Rotor Gearbox175
- Hydraulic System177
- Fuel System181
  - Fueling181
  - Defueling182
- Main Rotor Blades185
  - Pitch Bearing Housing185
- Engine Oil Servicing186
- Engine) Compressor Rinse and Wash187
  - Drainage Spotface Inspection During Cleaning or Rinsing of RR300 Engine 12.17A188
- Air Conditioning System190
- Lubrication of Swashplate Bearings193
Table of Contents195
- Chapter 18 Track and Balance197
- Main Rotor Track and Balance197
- Tail Rotor Dynamic Balance219
- Main Rotor Flight Control Rigging223
- Main Rotor Blade Angle Rigging225
  - Collective Travel226
  - Cyclic Travel228
- Tail Rotor Flight Control Rigging230
- Tail Rotor Blade Rigging231
- Fan Shaft and Engine Shaft Balancing235
  - Preparing Helicopter for Fan Shaft and Engine Shaft Balancing235
  - Ground Checks237
Table of Contents239
- Chapter 20 Standard Practices241
- Cleaning241
- Lubrication243
- Torque Requirements245
- Non-Destructive Testing268
  - Magnetic Particle Inspection268
  - Fluorescent Penetrant Inspection269
- Corrosion Control269
- Priming and Painting269
- Approved Materials272
- Storage Limits282
- Miscellaneous Practices283
20-94 Crimp Inspection285
- Description287
- Ventilation289
  - Nose Vent289
- Air Conditioning291
- Cabin Heat297
Table of Contents301
- Chapter 22303
- Description303
- Pitch) Servo Assembly305
- Roll) Servo Assembly306
- Flight Control Computer307
- Control Panel308
- Cyclic Grip Assembly309
- Maintenance310
  - Scheduled Maintenance and Inspections310
  - Special Maintenance and Inspections312
Table of Contents315
- Description317
- Seat Harnesses319
  - Seat Harness Removal319
  - Seat Harness Installation320
- Seat Assemblies and Back Rests321
- Carpet327
- General Maintenance328
- Insulation (Foam and Headliner)328
- Emergency Equipment330
  - Emergency Locator Transmitter (ELT)330
  - Fire Extinguisher331
- Cargo Hook Installation333
Table of Contents349
- Description351
- Bladder Assembly353
  - Rollover Valves355
  - Sump Valve356
- Fuel Quantity357
- Fuel Valve369
  - Fuel Valve Control Rigging369
- Fuel Flow Check370
  - Bladder373
Page 32.I397
- Landing Gear Assembly399
- Cross Tubes401
- Skid Tubes407
- Fairing Assemblies409
- Maintenance409
- Pop-Out Floats Installation411
Table of Contents431
- Door Assembly433
- Chapter 52436
- Door Lock Replacement436
- Weather Seal (Door Assembly) Replacement436
- Door Vent Replacement439
- Gas Springs439
- Windshield Installation443
  - Standard (Acrylic) Windshield Installation443
  - Impact-Resistant (Polycarbonate) Windshield Installation446
Table of Contents451
- Cabin Assembly453
  - Repair453
- Fairings, Cowlings, and Panels455
- Frame Assemblies457
- Tailcone Assembly465
  - Inspection and Repair467
- Empennage Assembly469
Table of Contents475
- Main Rotor Blades477
  - Blade Boots482
- Main Rotor Hub483
  - Bearing Replacement485
  - Inspection and Repair487
- Main Rotor Assembly489
- Inspection of Main Rotor Blades500
- Repair of Main Rotor Blades511
  - Sealing, Filling, and Fairing511
  - Painting512
- Main Rotor Blade Tip Maintenance513
Table of Contents515
- Engine Shaft Weldment517
- Chapter 63518
- Engine Driveline) Forward Flex Plate Shimming518
- Clutch Assembly521
- Main Rotor Gearbox Assembly522
  - Yoke and Seal Replacement524
- Rotor Brake529
  - Pad Replacement530
- Rotor RPM530
Table of Contents531
- Tail Rotor Assembly533
  - Static Balance537
- Tail Rotor Blades540
- Tail Rotor Blade Inspection and Repair543
- Tail Rotor Hub549
  - Bearing Replacement549
  - Inspection549
Page 65.I551
- Description553
- Tail Rotor Drive Fan Shaft553
- Tail Rotor Drive Shaft Assembly555
  - Runout557
  - Damper Assembly559
- Tail Rotor Driveline) Intermediate Flex Plate Shimming560
- Tail Rotor Gearbox Assembly562
  - Output Shaft Seal Replacement563
  - Input Shaft Seal Replacement564
Table of Contents565
- Cyclic Controls567
- Collective Control572
  - Collective Stick Assembly572
  - Collective Friction574
- Jackshaft and Strut Assembly574
  - Jackshaft574
- Swashplate575
  - Swashplate Tilting Friction Adjustment577
  - Upper and Lower Scissor Assemblies577
- Tail Rotor Controls579
  - Pedals579
  - Pitch Control580
- Bellcranks581
Table of Contents585
- Description587
- Engine589
  - Preparing Engine for Rolls-Royce Maintenance Facility595
  - Preparing Engine for Helicopter Installation597
- Induction601
- Exhaust Weldment609
- Accessories610
Table of Contents627
- Chapter 79629
- Description629
- Scroll and Fanwheel Assemblies631
  - Fanwheel-To-Inlet Gaps631
- Oil Tank Assembly633
  - Oil Temperature Sender634
  - Sight Gage635
- Engine Oil Cooler635
- Engine Oil Filter635
- Engine Oil Line Assemblies and Fittings636
Table of Contents637
- Description639
- Police Version639
- C023-34 Tailcone Assembly643
- C060-3 Interior Light Installation643
- C069 Cyclic Control Assembly643
- C430-2 Five-Point Harness Installation (Optional)643
- C599 Airspeed Indicator643
- C813 Transceiver Installation (Optional)644
- C823-16 Audio Control Installation646
- C849-4 Blower Installation (Optional)647
- D301 Ballast Installation648
- F003-19 Seat Removal648
- F014-5 Landing Gear Installation648
- F036-3 Battery Installation648
- F051-1 Camera System Installation649
- F060 Intercom System Installation650
- F075-2 EFIS Installation651
  - C831-12, -13, & -14 (GTN XXX-Series) GPS/NAV/COM Installation651
  - G060-4 (Garmin G500H) Upper Console Assembly651
- F075-8 EFIS Installation652
  - F817-9 (Garmin G500H) GDU 1060 Display (R66 Police) Installation652
  - F818-11 (G070 Console) GTN 6XX-Series GPS/NAV/COM Installation652
  - G070-7 (8-Instrument, High) Upper Console Assembly652
- F079-1 Pa/Siren System Installation653
- F081 Searchlight Installation655
- F082-21 Fairing Installation656
- G415-1 DVR Installation (Optional)656
- G416 Monitor Installation657
- G423-1 Aux Electrical System Installation659
- G425-1 Wall Installation659
- G437-1 Lojack Installation660
- G460 Audio Control Installation661
- G608 GPS Mapping System Installation662
- G749-1 Console Installation665
- Wiring Schematics667
Table of Contents697
- A826-18 Transceiver Installation (FM1)701
- C023-24 Tailcone Assembly702
- C599-7 Airspeed Indicator702
- C720-1 Support Installation702
  - D097-36 HD Micro Camera Installation (Windshield Bow)703
  - D097-37 HD Micro Camera Installation (Aft-Center Cabin)704
  - D097-38 HD Micro Camera Installation (Tail)706
  - D097 HD Micro Camera Controller708
- F003-19 Seat Removal709
- F060 Remote Transmit Switch Installations709
- Landing Gear Assembly709
- F075-1 EFIS Installation710
- F082-21 Fairing Installation710
- F461-4 Cover Assembly710
- G197-13 Window710
- G425-1 Wall Installation711
- G445-2 Aux Circuit Breaker Panel Installation711
- G448 Aft Monitors Installation712
  - G448-1 10-Inch Monitor713
  - G448-1 Five-Inch Left Hand Monitor714
  - G448-2 Five-Inch Right Hand Monitor715
- G449 Forward Monitors Installation716
- G454-1 Camera System Installation717
  - D050-14 Gimbal Installation717
  - E002-2 Laptop Assembly723
  - E003-7 Aux Box Assembly724
- G456-1 Microwave System Installation725
  - ARC-CM-TX-RX-CR-01 Controller727
  - CMTX7-LITE Transmitter728
  - PA16-Series Pod Antenna729
  - GPS-1270FW Antenna732
- Antenna Installations733
  - G457-1 Antenna Installation (Transponder)733
  - G457-2 Antenna Installation (TV Tuner)734
  - G457-3 Antenna Installation (Scanner)735
- G470-1 Aft Console Installation736
- G487-1 FM Transceivers Installation736
- G489-1 Scanner Installation738
- G490-1 Talent Light Installation739
  - D553-1 (Forward Talent) Light Assembly739
  - ILED-MA (Aft Talent) Light740
- G491 TV Receiver Provision Installation740
  - Distribution Amp741
  - Digital TV Receiver742
- G492-1 Audio System Installation743
  - Forward Audio Panels744
  - Aft Console Audio Panels745
  - Digital Router746
- G493-1 Video Components Installation747
- G496-1 DVR Installation748
- Aux Electrical System Installation749
- D301 Ballast Installation749
- Wiring Diagrams751
92-290 Wiring Diagrams (Continued)769
- Pitot-Static System773
- Primary Instruments775
- Engine Gages784
- Additional Standard Indicating Equipment788
  - Outside Air Temperature (OAT) Gage/Voltmeter790
- Console Assemblies792
- Instrument Markings792
- Electronic Flight Displays795
Table of Contents803
- Lead-Acid Battery Installations807
- Lithium-Ion Battery Installation813
- External Power815
- Starter and Ignition System815
- Annunciator Panel816
- Lighting System816
- Audio System818
- Low Rotor RPM Warning Unit Adjustment818
- Engine Monitoring Unit (EMU)819
- Emergency Locator Transmitter (ELT)820
- Audio Alerts824
Table of Contents825
- Garmin G500H Electronic Flight Instrument System (EFIS) Installation827
- Radar Altimeter Installation835
- Garmin GTX 33 Transponder Installation838
- Garmin GDL 69A XM Receiver Installation841
- Avionics for R66 S/N 293, 520, 522 & Subsequent843
- Avionics Software855

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