Chapter 1 Introduction to Fluid Power

• Advantages of Fluid Power
• Use of Hydraulics
• States of Matter, Continued

Chapter 2 Forces in Liquids

• Atmospheric  Pressure
• Transmission of Forces Through Liquids
• Density and Specific Gravity
• Pascal’s  Law
• Pressure and Force in Fluid Power Systems
• Figure  2-11.—Multiplication  of  forces.
• Figure 2-12.—Differential areas on a piston.
• Liquids In Motion
• Volume of Flow and Speed
• Factors Involved in Flow
• Kinetic  Energy
• Relationship of Force, Pressure, and Head
• Bernoulli's Principle
• Operation of Hydraulic Components
• Hydraulic Brakes
• Figure  2-22.—An  automobile  brake  system.

Chapter 3 Hydraulic Fluids

• Figure 3-1.—Saybolt viscometer.
• Viscosity Index
• Freedom from Acidity
• Types of Hydraulic Fluids
• Contamination
• Classification
• Origin of Contamination
• Contamination Control
• Hydraulic Fluid Sampling
• Hydraulic Fluid Sampling

Chapter 4 Pumps

• Rotary Pumps
• Spur Gear Pump
• Herringbone Gear Pump
• Helical Gear Pump
• Centered Internal Gear Pump
• Screw  Pumps
• Reciprocating Pumps
• Hand Pumps
• Radial  Piston  Pumps
• Figure 4-12.—Nine-piston radial piston pump.
• Axial Piston Pumps
• Figure 4-15.–Relationship of the universal joint in operation of the axial piston pump.
• Figure 4-16.—Mechanical drive—Stratopower pump.
• Figure 4-17.—Fluid displacement—Stratopower pump.

Chapter 5 Fluid Lines and Fittings

• Materials
• Preparation of Pipes and Tubings
• Tube Cutting and Deburring
• Tube Bending
• Figure 5-6.—Bending tubing with hand-operated tube bender.
• Tube Flaring
• Flexible Hose
• PFTE
• Fabrication and Testing
• Installation
• Types of Fittings and Connectors
• Flared Connectors
• Figure 5-17.—Correct and incorrect methods of installing flared fittings.
• Flareless-Tube Connectors
• Inspection
• Final  Assembly
• Hose Connection Side of Hose Fitting
• Quick-Disconnect Couplings
• Precautionary Measures
• Precautionary Measures, Continued

Chapter 6 Valves

• Figure 6-2.—Typical ball-stop, swing-check valve.
• Gate Valves
• Figure  6-6.—Types  of  globe  valve  bodies.
• Needle Valves
• Pressure Control Valves
• Figure  6-11.—Relief  valve.
• Figure 6-13.—Operation of compound relief valve,
• Pressure Regulators
• Figure 6-14.—Hydraulic pressure regulator.
• Sequence Valves
• Pressure-Reducing Valves
• Spring-Loaded Reducer
• Counterbalance Valve
• Directional Control Valves   
• Chack Valve
• Figure 6-24.—Swing check valve.
• Shuttle Valve
• Three-way Valves
• Four-way Valves
• Figure 6-30.—Cutaway view of poppet-type, four-way directional control valve.
• Rotary Spool Valve
• Figure 6-34.—Operation of a sliding spool, four-way directional control valve.
• Figure 6-35.—Open center, sliding spool directional control valve.
• Sliding  Spool  Valve, Continued

Chapter 7 Sealing Devices and Materials

• Seal Materials
• Types of Seals
• Table 7-l.—Comparison of Physical Properties for Some Hydraulic Fluid Seal Materials
• V-rings
• O-rings
• Identification
• Dimensions
• Replacement
• Figure 7-9.—O-ring tools and O-ring removal.
• Figure 7-10.–O-ring installation.
• Backup Rings
• Figure 7-14.—Installation  of cut dual backup rings.
• Figure  7-15.–Installation  of  TFE  back  up  rings  (internal).
• Quad-Rings
• U-cups and U-packings
• Dirt Exclusion Seals (Wipers and Scrapers)
• Storage of Seals, Continued
• Pressure Gauges
• C-shaped  Bourdon  Tube
• Spiral and Helical Bourdon Tubes
• Simple Bellows Elements
• Pressure Switches
• Temperature Measuring Instruments
• Bimetallic Expansion Thermometer
• Temperature Switches
• Figure 8-16.—Pressure gauge snubber.

Chapter 9 Reservoirs, Strainers, Filters and Accumulators

• Pressurized Reservoirs
• Accumulators
• Figure 9-5.–Cross-section view of a piston-type accumulator with a tailrod.
• Piston-type Accumulators   
• Bladder-type Accumulators
• Diaphragm Accumulator   
• Filters
• Figure 9-11.—Full-flow bypass-type hydraulic filter (with contamination indicator).
• Proportional-Flow Filter
• Filter Elements
• Pneumatic Gases
• Figure 9-17.—Air filter using rotating blades as element.
• Cylinders
• Double-Acting Ram
• Piston-Type Cylinders
• Single-Acting Cylinder
• Tandem Cylinders
• Rack-and-Pinion Piston-Type Rotary Actuators
• Figure 10-11.—Applications of actuating cylinders.
• Motors
• Vane-Type Motor  
• Radial-Piston  Motor
• Turbines
• Reaction Turbine

Chapter 11 Pneumatics

• Temperature
• Compressibility and Expansion of Gases
• Kinetic Theory of Gases.
• Charles' Law
• General Gas Law
• Pneumatic Gases
• Contamination Control
• Potential Hazards

Chapter 12 Basic Diagrams and Systems

• Types of Diagrams
• Figure  12-2.—Cutaway  diagram—pneumatic.
• Graphic Diagrams
• Fluid Power Systems
• Hydraulic Power Drive System
• Control
• Landing Gear Emergency Systems
• Figure 12-8. Landing Gear Emergency Extension System.
• Jet  Blast  Deflectors
• Figure 12-10. Hydraulic System Flow Diagram, Raise Cycle.
• Figure 12-11. Hydraulic System Flow Diagram, Lower Cycle.
• Jet Blast Deflectors, Continued

Appendix I Glossary

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Appendix II Aeronautical Mechanical Symbols for Fuild Power Diagrams

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Index

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Assignment Questions

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