Chinook Boeing CH-47D technical manual vol 5 General aircraft maintenance Propeller, rotor and powertrain 97 pages All sent to you by email for you to save and print Emailed delivery means fast free worldwide delivery Index Aerodynamic Balancing ................................................................................................................ 2-11 b Alignment, Rotor Blade ................................................................................................................ 3-14 Angle of Bend, Measuring ............................................................................................................ F2-6 Anti-Icing ..................................................................................................................................... 2-15b Anti-Icing System, Typical ............................................................................................................ F2-12 B Balance (of Tail Rotor Blades) ...................................................................................................... 3-9c Balance Check Three-Blade ......................................................................................................... F2-8 Balance Check, Two-Blade .......................................................................................................... F2-7 Balance, Blade ............................................................................................................................. 3-10 Balancing, Propeller ..................................................................................................................... 2-11 Bends and Twists ......................................................................................................................... 2-10c Blade Balance .............................................................................................................................. 3-10 General ............................................................................................................................... 3-10a Mass Balance Weights (Bars) ............................................................................................... 3-10b Spanwise Balance Weights .................................................................................................. 3-10c Tracking Weights ................................................................................................................. 3-10d Trim Tabs ............................................................................................................................. 3-10e Blade Classification Data (Main Rotor Blades) ............................................................................. 3 -7d Blade Construction (Main Rotor Blades) ....................................................................................... 3-7c Blade Designation, Propeller Model and ....................................................................................... 2-4 Blade Flapping Action (Vertical Plane) ......................................................................................... F3-7 Blade Leading and Lagging (Horizontal Plane) ............................................................................. F3-8 Blade Tracking ............................................................................................................................. 2-11d Blade Tracking, Electronic, Equipment ......................................................................................... F3-10 Blade Tracking, Reflector.............................................................................................................. F3-11 Blade, Rotor, Repair ..................................................................................................................... 3-12 Blade, Rotor, Tracking ................................................................................................................. 3-17, F3-9 C Cleaning, Powertrain Components of ........................................................................................... 4-5 Clutches ...................................................................................................................................... 4-51 Collective Pitch Control ................................................................................................................ 3-5b, F3-5 Components, Drive ...................................................................................................................... 4-4 Configurations, Helicopter ............................................................................................................ 3-4 Construction (of Tail Rotor Blades) ............................................................................................... 3-9b Consumable Materials .................................................................................................................. 1-3 Control System, Helicopter ........................................................................................................... F3-1 Cyclic Pitch Control ...................................................................................................................... 3-5a, F3-4 Damaged Square Tip Repair ........................................................................................................ F2-5 Damaged Tip Repair .................................................................................................................... F2-4 Defects, Propeller ........................................................................................................................ 2-7 T2-2 Deicing ........................................................................................................................................ 2-15c Drive Components ....................................................................................................................... 4-4 Drive Shafting ...................................................................................................................... 4-4e Freewheeling Units ............................................................................................................... 4-4b Gearboxes ............................................................................................................................ 4-4a Rotor Brakes ........................................................................................................................ 4-4d Drive Shafting .............................................................................................................................. 4-4e, 4-5I Dynamic Balancing ...................................................................................................................... 2-11c E Efficiency, Engine ........................................................................................................................ 2-6 Efficiency, Propeller ..................................................................................................................... 2-5 Electrical Deicing System, Typical ............................................................................................... F2-13 Electronic Blade Tracker .............................................................................................................. 3-17b Electronic Blade Tracking Equipment ........................................................................................... F3-10 Engine Cooling Fans .................................................................................................................... 4-5j Engine Efficiency ......................................................................................................................... 2-6 Mechanical Efficiency ........................................................................................................... 2-6a Thermal Efficiency ............................................................................................................... 2-6b Volumetric Efficiency ............................................................................................................ 2-6c Extremely Low Frequency Vibration ............................................................................................. 3-16a F Fiberglass Blade Repair ............................................................................................................... 3-12b Flight Controls, Helicopter ............................................................................................................ 3-5 Flag and Pole ............................................................................................................................... 3-17a Flapping Action, Blade (Vertical Plane) ........................................................................................ F3-7 Freewheeling Units ....................................................................................................................... 4-5i Fully Articulated Rotor .................................................................................................................. 3-6b Fully Articulated Rotor Head ........................................................................................................ F3-6 Gearboxes .................................................................................................................................. 4-4a, 4-5a General (Blade Balance) .............................................................................................................. 3-10a General (Tail Rotor Hubs) ............................................................................................................ 3-8a General Shop Rules ..................................................................................................................... 2-2,3-2, 4-2 Responsibility ....................................................................................................................... 2-2a, 3-2a 4-2a Shop Housekeeping ............................................................................................................. 2-2b, 3-2b, 4-2b Shop Safety ......................................................................................................................... 2-2c, 3-2c 4-2c Shop Tools and Materials ..................................................................................................... 2-2d, 3-2d, 4-2d General, Powertrain Maintenance Practices and Procedures ........................................................ 4-1 General, Propeller Maintenance Practices and Procedures .......................................................... 2-1 General, Rotor Maintenance Practices and Procedures ................................................................ 3-1 Governed Propellers, Rigging ...................................................................................................... 2-14 Governor, Woodward ................................................................................................................... F2-10 Governors, Propellers .................................................................................................................. 2-13 H Hartzell Constant-Speed Propeller ............................................................................................... F2-2, 2-4a Hartzell Pitch Change Mechanism ................................................................................................ F2-1 Helicopter Configurations ............................................................................................................. 3-4 Single Rotor ......................................................................................................................... 3-4a Tandem Rotor ...................................................................................................................... 3-4b Helicopter Control System ............................................................................................................ F3-1 Helicopter Flight Controls ............................................................................................................. 3-5 Collective Pitch Control ........................................................................................................ 3-5b Cyclic Pitch Control .............................................................................................................. 3-5a Swashplate ........................................................................................................................... 3-5c Throttle Control .................................................................................................................... 3-5d Torque Control ..................................................................................................................... 3-5e Helicopter Vibration Types ........................................................................................................... T3-2 Helicopter Vibrations .................................................................................................................... 3-16 Extreme Low Frequency Vibration ........................................................................................ 3-16a High Frequency Vibration ..................................................................................................... 3-16d Low Frequency Vibration ...................................................................................................... 3-16b Medium Frequency Vibration ................................................................................................ 3-16c I Icing, Propeller ............................................................................................................................. 2-15 Icing Types ................................................................................................................................. 2-15a Installation (of Governors) ............................................................................................................ 2-14b Installation, Propeller .................................................................................................................... 2-12 Integrated Oil Control Assembly ................................................................................................... 2-13f L Low Frequency Vibration .............................................................................................................. 3-16b M Main Rotor Assemblies ................................................................................................................ 3-6 Fully Articulated Rotor .......................................................................................................... 3-6b Semi-Rigid Rotor .................................................................................................................. 3-6a Main Rotor Blade Terms .............................................................................................................. T3-1 Main Rotor Blades ........................................................................................................................ 3-7 Blade Classification Data ...................................................................................................... 3-7d Blade Construction ............................................................................................................... 3-7c Nomenclature ....................................................................................................................... 3-7b Types .................................................................................................................................. 3-7a Main Rotor Painting ...................................................................................................................... 3-13a Mass Balance Weights (Bars) ...................................................................................................... 3-10b Materials, Consumable ................................................................................................................. 1-3 Measuring Angle of Bend ............................................................................................................. F2-6 Mechanical Efficiency .................................................................................................................. 2-6a Medium Frequency Vibration ........................................................................................................ 3-16c Metal Blade Repair........................................................................................................................ 3-12a Minor Defects (in Propellers) ........................................................................................................ 2-10a Model Designation (Propeller Governors) ..................................................................................... 2-13b Model Number, Propeller ............................................................................................................. T2-1 N Nomenclature (for Main Rotor Blades) ......................................................................................... 3-7b O Oil Control Plugging ..................................................................................................................... 2-14a Oil Coolers .................................................................................................................................. 4-5g Oil Filters .................................................................................................................................... 4-5c Oil Lines ...................................................................................................................................... 4-5b Oil Pumps ................................................................................................................................... 4-5f Oil Screens ................................................................................................................................. 4-5d Operation Checks (of Governors) ................................................................................................. 2-14d P Painting, Rotor Blade ................................................................................................................... 3-13 Pitch Change Mechanism, Hartzell ............................................................................................... F2-1 Pitch Control, Collective ............................................................................................................... F3-5 Pitch Control, Cyclic ..................................................................................................................... F3-4 Powertrain ................................................................................................................................... 4-3 Single Rotor Powertrain ........................................................................................................ 4-3a Tandem Rotor Powertrain ..................................................................................................... 4-3b Powertrain Maintenance Practices and Procedures (General) ...................................................... 4-1 Powertrain, Single Rotor .............................................................................................................. 4-3a, F4-1 Powertrain, Tandem Rotor ........................................................................................................... 4-3b, F4-2 Preservation and Storage, Propeller ............................................................................................. 2-16 Preservation and Storage, Rotor Blade ........................................................................................ 3-18 Principles of Operation and Design Features of Rotor Systems .................................................... 3-3 Procedures, Troubleshooting (Propeller System) .......................................................................... 2-8 Procedures, Troubleshooting (Rotor Systems) .............................................................................. 3-15 Propeller Balancing ...................................................................................................................... 2-11 Aerodynamic Balancing ........................................................................................................ 2-11 b Blade Tracking ..................................................................................................................... 2-11d Dynamic Balancing ............................................................................................................... 2-11c Static Balancing ................................................................................................................... 2-11 a Propeller Blades ........................................................................................................................... 2-16b Propeller Cleaning ........................................................................................................................ 2-9b Propeller Defects ......................................................................................................................... 2-7, T2-2 Propeller Efficiency ...................................................................................................................... 2-5 Propeller Governors ..................................................................................................................... 2-13 Integrated Oil Control Assembly ........................................................................................... 2-13f Model Description ................................................................................................................. 2-13b Principles of Operation ......................................................................................................... 2-13a Single Capacity Governors ................................................................................................... 2-13c Turbo Prop Overspeed Governors ........................................................................................ 2-13e Turbo Prop Governors .......................................................................................................... 2-13f Propeller Hub and Dome Assembly .............................................................................................. 2-16a Propeller Icing .............................................................................................................................. 2-15 Anti-icing .............................................................................................................................. 2-15b Deicing................................................................................................................................. 2-15c Icing Types ................................................................................................................................. 2-15a Propeller Inspection ..................................................................................................................... 2-9c Propeller Installation ..................................................................................................................... 2-12 Propeller Maintenance Practices and Procedures.......................................................................... 2-1 Propeller Model and Blade Designation ........................................................................................ 2-4 Propeller Model Number .............................................................................................................. T2-1 Propeller Preservation and Storage .............................................................................................. 2-16 Propeller Removal ....................................................................................................................... 2-9a Propeller Removal, Cleaning and Inspection ................................................................................ 2-9 Propeller Cleaning ................................................................................................................ 2-9b Propeller Inspection............................................................................................................... 2-9c Propeller Removal ................................................................................................................ 2-9a Propeller Repair ........................................................................................................................... 2-10 Bends and Twists ................................................................................................................. 2-10c Minor Defects........................................................................................................................ 2-10a Tip Damage ......................................................................................................................... 2-10b Propeller RPM Adjusting Screw .................................................................................................... F2-11 Propeller Theory .......................................................................................................................... 2-3 Propeller Tracking ........................................................................................................................ F2-9 Purpose (of Manual) ..................................................................................................................... 1-1 R Refinishing (Rotor Blades) ............................................................................................................ 3-13c Reflector Blade Tracking .............................................................................................................. F3-11 Repair of Surface Defects (Propeller) ........................................................................................... F2-3 Repair, Propeller .......................................................................................................................... 2-10 Responsibility (for General Shop Rules) ....................................................................................... 2-2a, 3-2a, 4-2a Rigging (of Governors) ................................................................................................................. 2-14c Rigging Governed Propellers ....................................................................................................... 2-14 Installation ............................................................................................................................ 2-14b Oil Control Plugging ............................................................................................................. 2-14a Operation Checks.................................................................................................................. 2-14d Rigging ................................................................................................................................ 2-14c Index 6 Rigid Rotor .................................................................................................................................. 3-6a Rotor Assemblies, Main ............................................................................................................... 3-6 Rotor Blade Alignment ................................................................................................................. 3-14 String Method ....................................................................................................................... 3-14b Telescopic Method ............................................................................................................... 3-14a Rotor Blade Painting .................................................................................................................... 3-13 Main Rotor Painting .............................................................................................................. 3-13a Refinishing ........................................................................................................................... 3-13c Spot Painting ........................................................................................................................ 3-13b Rotor Blade Preservation and Storage ......................................................................................... 3-18 Rotor Blade Repair ....................................................................................................................... 3-12 Fiberglass Blade Repair ....................................................................................................... 3-12b Metal Blade Repair ............................................................................................................... 3-12a Rotor Blade Tracking ................................................................................................................... 3-17, F3-9 Electronic Blade Tracker ...................................................................................................... 3-17b Flag and Pole ....................................................................................................................... 3-17a Tail Rotor Tracking ............................................................................................................... 3-17c Rotor Brakes ............................................................................................................................... 4-4d, 4-5k Rotor Maintenance Practices and Procedures, General ................................................................ 3-1 Rotor Removal, Cleaning, and Inspection .................................................................................... 3-11 Rotor Systems, Principles of Operation and Design Features of ................................................... 3-3 Rotor, Fully Articulated, Head ...................................................................................................... F3-6 Rotor, Main, Blades ...................................................................................................................... 3-7 Rotor, Single, Configuration ......................................................................................................... F3-2 Rotor, Tail, Blades ....................................................................................................................... 3-9 Rotor, Tail, Hubs .......................................................................................................................... 3-8 Rotor, Tandem, Configuration ...................................................................................................... F3-3 RPM Adjusting Screw Propeller .................................................................................................... F2-11 S Scope (of Manual) ........................................................................................................................ 1-2 Semi-Rigid Rotor .......................................................................................................................... 3-6b Shop Housekeeping ..................................................................................................................... 2-2b, 3-2b, 4-2b Shop Rules, General .................................................................................................................... 2-2, 3-2, 4-2 Shop Safety ................................................................................................................................ 2-2c, 3-2c, 4-2c Shop Tools and Materials ............................................................................................................. 2-2d, 3-2d, 4-2d Single Capacity Governors ........................................................................................................... 2-13c Single Rotor ................................................................................................................................ 3-4a Single Rotor Configuration ........................................................................................................... F3-2 Spanwise Balance Weights .......................................................................................................... 3-10c Spot Painting (Rotors) .................................................................................................................. 3-13b Square Tip, Damaged, Repair ...................................................................................................... F2-5 Static Balancing ............................................................................................................................ 2-11 a String Method............................................................................................................................... 3-14b Surface Defects (Propeller), Repair of .......................................................................................... F2-3 Swashplate ................................................................................................................................. 3-5c T Tail Rotor Blades .......................................................................................................................... 3-9 Balance........................................................................................................................................ 3-9b Construction................................................................................................................................. 3-9b Trammeling ................................................................................................................................. 3-9d Types........................................................................................................................................... 3-9a Tail Rotor Hubs ............................................................................................................................. 3-8 General ....................................................................................................................................... 3-8a Types .......................................................................................................................................... 3-8b Tail Rotor Tracking ....................................................................................................................... 3-17c, F3-12 Tandem Rotor .............................................................................................................................. 3-4b Tandem Rotor Configuration ........................................................................................................ F3-3 Telescopic Method ....................................................................................................................... 3-14a Terms, Main Rotor Blade ............................................................................................................. T3-1 Theory, Propeller ......................................................................................................................... 2-3 Thermal Efficiency ....................................................................................................................... 2-6b Three-Blade Balance Check ......................................................................................................... F2-8 Throttle Control ............................................................................................................................ 3-5d Tip Damage ................................................................................................................................ 2-10b Tip, Damaged, Repair .................................................................................................................. F2-4 Torque Control ............................................................................................................................. 3-5e Tracking Weights ......................................................................................................................... 3-10d Tracking, Propeller ....................................................................................................................... F2-9 Tracking, Tail Rotor ...................................................................................................................... F3-12 Index 8 Trammeling (of Tail Rotor Blades) ............................................................................................... 3-9d Trim Tabs ................................................................................................................................... 3-10e Troubleshooting Procedures (Propeller System) ........................................................................... 2-8 Troubleshooting Procedures (Rotor Systems) ............................................................................... 3-15 Turbo Prop Overspeed Governors ............................................................................................... 2-13e Turbo Prop Governors .................................................................................................................. 2-13d Two-Blade Balance Check ........................................................................................................... F2-7 Types (of Main Rotor Blades) ....................................................................................................... 3-7a Types (of Tail Rotor Blades) ......................................................................................................... 3-9a Types (of Tail Rotor Hubs) ........................................................................................................... 3-8b Typical Anti-Icing System ............................................................................................................. F2-12 Typical Electrical Deicing System ................................................................................................ F2-13 V Valves.......................................................................................................................................... 4-5e Vibrations, Helicopter ................................................................................................................... 3-16 Volumetric Efficiency ................................................................................................................... 2-6c W Woodward Governor .................................................................................................................... F2-10 |
