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Explains how warnings, cautions, and notes are used to emphasize critical instructions.
Describes how the manual is divided into major systems and subsystems.
Details which aircraft models the manual's data is applicable to.
Provides a general overview of the helicopter's features and certifications.
Lists specific torque values for hardware to ensure proper installation.
Lists consumable parts and lubricants normally used during servicing or inspection.
Details mandatory component retirement at established hours or calendar time for airworthiness.
Lists mandatory inspection items for airworthiness.
Outlines routine servicing intervals, methods, and locations for aircraft components.
Details checklists for periodic inspections, emphasizing normal and special conditions.
Provides a guide for performing 100-hour and annual inspections.
Outlines procedures for inspecting aircraft components after a major rotor strike or stoppage.
Defines the aircraft's longitudinal and lateral CG envelopes for safe operation.
Details the procedure and tools required for weighing the helicopter.
Covers the general description and troubleshooting of the aircraft's electrical system.
Explains alternator general information, troubleshooting, and removal/installation.
Provides troubleshooting guidance for instrument displays and modules.
Identifies and illustrates the location of instruments on the panel.
Describes the altimeter, its operation, and troubleshooting.
Details the tachometer's function and troubleshooting.
Explains EGT's role in engine performance and calibration procedures.
Details cabin removal, inspection, repair, and installation procedures.
Details landing gear assembly removal, inspection, and component procedures.
Covers torque tube extension removal, inspection, repair, and installation.
Provides general information on the tail rotor system and troubleshooting.
Covers tail rotor gearbox general information, troubleshooting, removal, and inspection.
Outlines tail rotor cable inspection and replacement procedures.
Details the procedure for preliminary belt tension and clutch lever adjustment.
Covers jackstrut and pulley assembly removal, disassembly, cleaning, and installation.
Details the main rotor gearbox general information, removal, and installation.
Covers troubleshooting, servicing, and removal of the overrunning clutch and pulley assembly.
Addresses helicopter vibration and cyclic feedback issues and their causes.
Details the procedure for tracking main rotor blades using spotlight and reflector systems.
Provides detailed procedures for rigging cyclic, collective, and tail rotor controls.
Covers engine and turbocharger troubleshooting.
Details exhaust manifold removal, installation, and inspection.
Explains fuel injection system operation and troubleshooting.
Covers turbocharger removal, installation, inspection, and repair.
Describes the cabin heat system, its components, and troubleshooting.
Introduces the supplement for Model 280FX and 1986 F-28F differences.
Details the chip detector system and its inspection.
Outlines the procedure for changing the main rotor transmission lubricant.
Describes the annunciator panel functions and lamp replacement.
Provides a chart for troubleshooting common issues with lights and the annunciator panel.
Details the Hi/Lo Rotor RPM warning system, its components, and functional tests.
Covers inspection, repair, and installation of push-pull tubes.
Describes the engine monitor's function and displays for various aircraft models.
Outlines maintenance requirements and troubleshooting for the engine monitor.
Explains how to program alarm limits for the engine monitor.
Details the tail rotor driveshaft cover's purpose and maintenance.
Covers the tail rotor gearbox chip detector system, its function, and inspection.
General
