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Liberty XL2 User Manual

Liberty XL2
497 pages
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Maintenance Manual
1383 General Aviation Drive
Melbourne, FL 32935
800-759-5953

Table of Contents

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Liberty XL2 Specifications

General IconGeneral
BrandLiberty
ModelXL2
CategoryAircrafts
LanguageEnglish

Summary

Introduction

General

Provides general information about the maintenance manual's purpose and scope.

Revisions

Details the process of revisions and how they are incorporated into the manual.

Warnings, Cautions, Notes

Defines and explains the use of warning, caution, and note indicators throughout the manual.

Manual Arrangement

Explains the overall structure and organization of the manual's content.

Main Chapter Groups

Outlines the main categories or groups into which the manual's chapters are organized.

General Description

Chapter 03-00 General

Provides general information about the aircraft manufacturer and its airworthiness category.

Description

Details the aircraft's configuration, structure, and major attached components.

Vendor Documentation

Lists documentation and contact information for key aircraft component manufacturers.

Airworthiness Limitations

Section 04-10: Airframe

Outlines inspection intervals and procedures for life-limited airframe components.

Section 04-20: Components Subject to Life Limits or Requiring More Detailed Levels of Inspection

Lists components with specified life limits or requiring more detailed inspection.

Components Requiring a More Detailed Level of Inspection

Details specific components that necessitate more thorough inspection procedures.

Section 04-30 Paint Finish

Specifies requirements for exterior paint finish on composite structures for temperature control.

Time Limits/Maintenance Checks/Inspection Intervals

Section 05-00 General

Provides general guidelines for proper scheduling and execution of inspections and maintenance.

Section 05-10 Time Limits

Specifies component time limits between overhauls or replacements.

Section 05-20 Scheduled Maintenance Checks

Details requirements for daily, regular (50, 100, 500 hr), and annual inspections.

Dimensions and Areas

Chapter 06-00 General

Explains units used for dimensions, weights, moments, and angles in this chapter.

Dimensions

Lists overall aircraft dimensions, wingspan, length, height, and airfoil details.

Vertical Tail Surfaces (fin and rudder)

Details the area and deflection specifications for the vertical tail surfaces and rudder.

Adjustment Values for Mass Balance

Information on mass balancing of control surfaces to prevent flutter or divergence.

Lifting and Jacking

Chapter 07-00 General

Explains when lifting or jacking is necessary and the preferred method for the airplane.

Required Equipment

Lists the specific equipment needed for safe lifting and jacking procedures.

Lifting the Airplane

Details the steps and precautions for safely lifting the airplane using webbing straps.

Jacking the Airplane (all three wheels)

Provides instructions for safely jacking all three wheels of the airplane using hydraulic jacks.

Towing and Taxiing

Chapter 09-00 General

Explains methods for moving the airplane on the ground by taxiing or towing.

Equipment and Accessories

Lists necessary equipment and accessories, including tow bars, for towing the airplane.

Chapter 09-10 Towing

Details procedures for towing the airplane by hand or using a tow vehicle.

Chapter 09-20 Taxiing

Outlines the general procedures and controls for taxiing the airplane on the ground.

Mooring and Parking

Chapter 10-00 General

Provides general guidance on mooring and parking to prevent damage from wind or turbulence.

Chapter 10-10 Parking

Details procedures for both short-term and long-term parking of the aircraft.

Chapter 10-20 Mooring (Tie-Down)

Describes the procedure for mooring (tie-down) the aircraft to protect it from environmental elements.

Placards and Markings

Chapter 11-00 General

Explains the purpose of placards for identification and indication of systems and equipment.

Material

Specifies that placards are made of self-adhesive vinyl foil, except for metal ones.

Removal and Installation

Details procedures for removing old placards and installing new ones, including cleaning surfaces.

Chapter 11-10 Location of Placards

Describes the specific locations of interior and exterior placards on the aircraft.

Standard Practices - Airframe

Chapter 20-00 General

Introduces standard practices for airframe maintenance, noting scope and procedures.

Bolt Types

Describes the identification markings for corrosion-resistant and non-corrosion-resistant steel bolts.

Standard Torques

Provides permissible torque values for various bolt/nut combinations and self-locking nuts.

Safety Wiring of Fasteners

Explains the purpose and methods of safety wiring fasteners to prevent loosening during use.

Cotter Keys

Details the correct usage and methods for securing nuts with cotter keys.

Environmental Systems

Chapter 21-00 General

Describes the airplane's passive air ventilation system using NACA cut-outs for fresh air.

Chapter 21-40 Heating

Indicates that the heating section of the environmental system is reserved.

Chapter 21-50 Cooling

Details the NACA-type flush inlets and ducting system for cool air delivery to the cabin.

Chapter 21-60 Temperature Control

Explains how cool air flow is regulated by opening or closing the instrument panel vents.

Communications Systems

Chapter 23-00 General

Describes the Garmin VHF radio system used for aircraft communication.

Chapter 23-10 Speech Communication – Garmin GNS 530 GPS/NAV/COM, GNS 430 GPS/NAV/COM

Details the two VHF transceivers and their control via the audio panel for speech communication.

Removal and Replacement of Communications Transceiver

Provides procedures for removing and replacing the aircraft's communications transceiver unit.

Chapter 23-51 Audio/ICS Systems

Explains the integrated audio selector panel and intercom system operation for crew communication.

Electrical Power

Chapter 24-00 General

Provides an overview of the airplane's 14-volt electrical system, including power sources.

Chapter 24-10 Alternator Drive

Details the procedure for checking, removing, and replacing the alternator belt.

Chapter 24-30 DC Generation: Alternator

Describes the alternator's capacity and procedures for its removal and replacement.

Chapter 24-31 Battery

Explains the location and maintenance procedures for the primary and secondary batteries.

Chapter 24-60 DC Electrical Load Distribution

Details how DC power is distributed to various buses and protects circuits with breakers and fuses.

Equipment and Furnishings

Chapter 25-00 General

Describes the airplane's accommodation including the flight compartment and baggage area.

Chapter 25-10 Flight Compartment

Details furnishings within the flight compartment, including carpets, seats, and harnesses.

Chapter 25-50 Cargo Compartment

Covers the cargo compartment, tie-down points, and maximum baggage weight limitations.

Chapter 25-60 Emergency Equipment

Details the location and maintenance of emergency equipment like fire extinguishers and safety hammers.

Flight Controls

Chapter 27-00 General

Provides an overview of the airplane's flight control systems, including ailerons, rudder, and stabilator.

Chapter 27-10 Ailerons

Details the aileron drive system and procedures for its removal and replacement.

Chapter 27-20 Rudder

Covers the rudder construction and procedures for its removal and replacement.

Chapter 27-30 Elevator and Tab

Explains the construction and maintenance of the stabilators and pitch trim system.

Chapter 27-50 Flaps

Details the flap drive system and procedures for removal and replacement.

Fuel System

Chapter 28-00 General

Provides an overview of the airframe fuel system, excluding engine-specific details.

Chapter 28-10 Storage

Details the fuel tank capacity, construction, location, venting, and sump.

Chapter 28-20 Distribution

Details the routing of fuel from the tank through components to the engine-driven fuel pump.

Fuel Tank Draining Procedure

Outlines the required equipment and procedure for safely draining the aircraft fuel tank.

Fuel Level Sender Removal and Replacement

Provides instructions for removing and replacing the fuel level sender unit.

Lights

Chapter 33-00 General

Describes the airplane's interior and exterior lighting systems.

Chapter 33-10 Flight Compartment

Details interior lighting for instruments, avionics components, switches, and general illumination.

Post Lighting

Describes low-drain LED post lights for trim indicators, flap indicators, and panel switches.

Chapter 33-40 Exterior Lighting

Covers exterior lighting systems including position, anti-collision, and landing lights.

Navigation and Pitot/Static Systems

Chapter 34-00 General

Introduces navigation instruments operated by pitot/static, gyros, and avionics subsystems.

Chapter 34-10 Flight Environmental Data / Pitot Static

Details the pitot/static system, airspeed indicator, altimeter, and vertical speed indicator.

Outside Air Temperature Indicator and Sensor

Describes the OAT indicator and sensor, including its location and function.

Pitot / Static System Purging Procedure

Provides the procedure for purging the pitot and static systems using dry nitrogen.

Chapter 34-20 Attitude and Direction

Covers the attitude gyro, directional gyro, and turn rate gyro operation and maintenance.

Magnetic Compass Compensation (“Swinging”) Procedure

Details the procedure for compensating the magnetic compass for local magnetic distortions.

Standard Practices - Structures

Chapter 51-00 General

Overviews structural technologies, materials, and general repair principles for the aircraft.

Damage Classifications

Classifies damage into four types based on structural implication, material, and size.

Type 1- Damage

Defines critical damage to primary/secondary structure that endangers structural integrity.

Type 2- Damage

Defines damage affecting structural integrity, including deep penetration of sandwich material.

Chapter 51-10 Repairs Necessitating Liberty Aerospace Liaison

Identifies damage areas requiring contact with Liberty Aerospace for repair determination.

Single Skin Repair

Describes repair techniques for single skin damage accessible from one side.

Sandwich Structure Repair: Damage to Outer Skin Only

Details the procedure for repairing damage solely to the outer skin of a sandwich structure.

Doors

Chapter 52-00 General

Describes the two gull wing doors providing access to the flight and baggage compartments.

Chapter 52-10 Passenger / Crew Doors

Details the door construction, gas spring support, latching mechanism, and safety features.

Door Removal and Replacement

Provides procedures for removing and replacing the aircraft doors.

Door Seal Removal and Replacement

Outlines the process for removing and replacing the one-piece door seal.

Gas Spring Removal and Replacement

Details the procedure for removing and replacing the gas springs that support the doors.

Fuselage

Chapter 53-00 General

Describes the fuselage construction using steel tubing and composite materials.

Fuselage Removal and Replacement from Rolling Chassis

Details the procedure for removing and replacing the fuselage from the rolling chassis.

Chapter 53-10 Main Frame

Explains the role of the central space frame in accepting and transmitting loads.

Chapter 53-20 Plates / Skin

Identifies various access plates provided for maintenance within the fuselage.

Chapter 53-40 Attach Fittings

Describes the attachment fittings for the wings and landing gear to the fuselage.

Stabilizers

Chapter 55-00 General

Provides an overview of the control surfaces and stabilizers, noting their construction.

Chapter 55-10 Horizontal Stabilizers

Describes the all-flying stabilators, their construction, and anti-servo tab function.

Horizontal Stabilator (Tailplane) Removal and Replacement

Details the procedures for removing and replacing the horizontal stabilator.

Chapter 55-30 Vertical Stabilator

Describes the construction of the vertical stabilizer, noting it's not field replaceable.

Section 55-40 Rudder

Covers the rudder construction and procedures for its removal and replacement.

Windows

Chapter 56-00 General

Describes the airplane windows as integral acrylic plastic transparencies.

Windshield / Window Maintenance Guidelines

Provides maintenance guidelines and precautions for acrylic plastic materials.

Minor Repairs

Details methods for repairing minor cracks in windshields, such as stop-drilling.

Polishing and Finishing

Explains how to remove scratches and repair marks from acrylic surfaces.

Windshield / Window Replacement

Advises contacting Liberty Aerospace for windshield/window replacement procedures.

Wings

Chapter 57-00 General

Describes the wing construction including spars, ribs, stringers, and skins.

Chapter 57-10 Main Frame

Details the wing's main frame components: spars and ribs.

Wing Tip Removal and Replacement Procedure

Provides procedures for removing and replacing the composite wing tips.

Chapter 57-40 Attach Fittings

Describes the heavy fittings that secure the wings to the fuselage.

Wing Removal and Replacement Procedure

Details the procedure for removing and replacing the entire wing assembly.

Chapter 57-50 Flight Surfaces

Describes the structure of the ailerons and flaps.

Propeller

Chapter 61-00 General

Describes the propeller type, dimensions, and authorized modifications.

Chapter 61-10 Propeller Assembly

Details the propeller assembly, including the spinner and mounting plates.

Propeller Removal and Replacement

Provides procedures for propeller and spinner removal and replacement, including dynamic balance checks.

Propeller Bolt Torque Check and Torquing Procedure

Explains the importance of correct propeller bolt torque due to environmental factors.

Repair of “Cosmetic” Damage to Propeller

Details the procedure for repairing cosmetic paint damage without affecting balance.

Standard Practices - Engine

Chapter 70-00 General

Describes standard practices for engine maintenance procedures on the IOF-240 engine.

Application of Adhesives

Details the application of Gasket Maker for sealing purposes.

Installation of Gaskets

Provides guidelines for inspecting and installing gaskets, including sealant application.

Securing of Electrical Harnesses

Emphasizes proper securing of electrical harnesses to prevent damage and wear.

Field Replacement of Low Voltage Harness Components (Harness Splicing)

Details procedures for field replacement of low voltage harness components and splicing.

Engine

Chapter 72-00 General

Provides a descriptive overview of the IOF-240-B engine and its systems.

Chapter 72-10 Front Section

Describes the front section of the engine, including alternator drive and propeller shaft.

Chapter 72-20 Power Section

Details the components of the engine power section, including crankshaft and camshaft.

Chapter 72-30 Cylinder Section

Describes the construction and features of the engine's cylinder assemblies.

Chapter 72-40 Lubrication

Explains the engine oil system, including the sump, pump, cooler, and filter.

Engine Fuel and Control

Chapter 73-00 General

Provides an overview of the IOF-240-B engine fuel system as installed on the airplane.

Chapter 73-10 Distribution

Details how fuel is routed from the airframe system to the engine-driven fuel pump.

Fuel Pressure Check and Adjustment Procedure

Outlines the procedure for checking and adjusting fuel pressure based on engine RPM.

Fuel Filter Removal and Replacement

Provides precautions and procedures for removing and replacing the fuel filter.

Chapter 73-20 Fuel Controlling

Explains the electronically controlled fuel injection system and injector maintenance.

Engine Ignition System

Chapter 74-00 General

Provides an overview of the engine ignition system and its components.

Chapter 74-10 Electrical Power Supply

Details the FADEC ignition system's DC power requirements and sources.

Chapter 74-20 Distribution

Explains the distribution of ignition signals through Electronic Control Units (ECUs).

Chapter 74-30 Switching

Describes the function of the aircraft ignition switch in controlling FADEC ignition.

Air Induction System

Chapter 75-00 General

Describes the provisions for admitting and controlling air to the engine's combustion section.

Alternate Air System Functional Check

Details the procedure for checking the functionality of the alternate air system.

Induction Air Filter Service Procedure

Outlines the procedure for servicing the induction air filter, including washing and oiling.

WOT Throttle Switch Check and Adjustment Procedure

Describes how to check and adjust the Wide Open Throttle (WOT) throttle switch.

Engine Controls

Chapter 76-00 General

Provides an overview of the control systems for the IOF-240-B engine.

FADEC System Description and Functional Overview

Explains the FADEC system's components, operation, and redundancy.

FADEC Health Status Annunciator (HSA) and FADEC Power Transfer Check

Details checks for FADEC power sources and the Health Status Annunciator.

Chapter 76-10 Power Control

Describes the power cable and its attachment to the throttle unit.

Power (Throttle) Cable Removal and Replacement

Provides procedures for removing and replacing the throttle cable.

Chapter 76-20 Emergency Shutdown

Outlines additional means for emergency engine shutdown if normal means fail.

Engine Indicating Systems

Chapter 77-00 General

Describes the VM1000FX integrated engine instrument display system.

VM1000FX Component Removal and Replacement

Details the removal and replacement of VM1000FX components like DPU and display panel.

HSA Removal and Replacement

Provides procedures for removing and replacing the FADEC Health Status Annunciator.

Individual (Non-FADEC) Sensor Removal and Replacement

Details the removal and replacement procedures for individual non-FADEC sensors.

Engine Exhaust System

Chapter 78-00 General

Describes the exhaust system components including pipes, muffler, and discharge pipe.

Chapter 78-10 Collector / Nozzle

Details the attachment of exhaust pipes to the cylinder ports and the collector/nozzle assembly.

Muffler Removal and Replacement Procedure

Provides procedures for removing and replacing the engine muffler.

Individual Exhaust Pipe Removal and Replacement

Details procedures for removing and replacing individual exhaust pipes.

Engine Oil System

Chapter 79-00 General

Describes components of the engine oil system external to the engine.

Chapter 79-10 Storage

Details the engine oil supply stored in the welded steel oil sump.

Chapter 79-20 Distribution

Describes the distribution of oil via the oil filter and oil cooler.

Oil Cooler or Oil Cooler Hose Removal and Replacement

Provides procedures for removing and replacing the oil cooler or its hoses.

Oil Filter Element Removal and Replacement

Details the procedure for removing and replacing the oil filter element.

Engine Oil Draining Procedure

Outlines the steps for starting the engine, reaching operating temperature, and draining oil.

Oil Temperature Sensor Removal and Replacement

Provides procedures for removing and replacing the oil temperature sensor.

Starting System

Chapter 80-00 General

Describes the lightweight electric starter for the IOF-240-B engine.

Section 80-10 Cranking

Explains how the starter solenoid is energized and power is supplied to the starter.

Starter Removal and Replacement

Provides procedures for removing and replacing the starter assembly.

Wiring Diagrams

Chapter 91 Electrical Block Diagram

Presents a block diagram illustrating the airplane's electrical system architecture.