Williams International FJ44-2C Turbofan Engine Line Maintenance Manual P/N 64135 Revision 56

Description

The Williams International FJ44-2C Turbofan Engine Line Maintenance Manual P/N 64135 Revision 56 is a comprehensive maintenance reference for the FJ44-2C turbofan engine. Prepared by Williams International for the FJ44-2C, this manual forms part of the Instructions for Continued Airworthiness and organizes maintenance data to the ATA iSpec 2200 Chapter-Section-Subject structure. It covers the engine from scheduled maintenance and standard shop practices through troubleshooting, component removal and installation, adjustment and testing, inspection, cleaning, servicing, and approved repair tasks.

File Details

• Manual type: Line Maintenance Manual
• Brand: Williams International
• Model: FJ44-2C
• Engine type: Turbofan engine
• Language: English
• Page count: 1137 pages
• File format: PDF
• Document number: WI P/N 64135
• Initial issue: Jul 01/00
• Revision: 56
• Revision date: Jul 22/21

FJ44-2C Engine and Maintenance Scope

The manual describes the FJ44-2C as a two-spool, co-rotating, axial-flow turbofan with medium bypass ratio, mixed exhaust, and a high cycle pressure ratio. It states a minimum takeoff thrust of 2400 pounds uninstalled at sea level at an ambient temperature of 72°F. Engine control is provided by an integrated fuel control unit (IFCU), with thrust managed through power-lever input to the IFCU. The engine is described in five major groups: the LP shaft module, fan group, core module, LP turbine group, and accessory gearbox.

Beyond basic description and operation, the Williams International FJ44-2C Turbofan Engine Line Maintenance Manual P/N 64135 Revision 56 gives technicians task-oriented procedures with equipment, consumables, special tools, expendable parts, reference information, job set-up, procedural steps, inspections, and close-up actions where applicable. The manual’s page-block structure separates Description and Operation, Fault Isolation, Maintenance Practices, Servicing, Removal/Installation, Adjustment/Test, Inspection/Check, Cleaning/Painting, and Repairs so the type of maintenance information can be located by task.

Chapters Covered

• Introduction
  • How to use the manual and ATA iSpec 2200 organization
  • Engine description and major component groups
  • Service bulletin references and manual support information
• Time Limits / Maintenance Checks
  • Airworthiness limitations and life-limited parts
  • Service life tracking and unserviceable parts
  • Scheduled maintenance checks
  • Routine and major periodic inspection intervals
  • Recommended maintenance and power plant wash guidelines
• Standard Practices
  • Assembly and disassembly maintenance practices
  • Temporary marking and marking of repaired parts
  • O-ring identification, lubrication, and fitting
  • Electrical connector maintenance
  • Consumable materials
  • Engine component contamination control
  • Threaded-part locking techniques
  • Cleaning methods and procedures
  • Ball and roller bearing cleaning and inspection
  • Carbon seal surface quality
  • Minor damage and corrosion repair
  • Local surface protection
  • Fluorescent penetrant inspection
  • Torque tightening technique
  • Special tool maintenance and calibration
  • Shelf-life-controlled parts storage
• Power Plant
  • Fault isolation and troubleshooting
  • Maintenance practices and engine removal/installation
  • Ground adjustment and test procedures
  • Power plant cleaning and compressor wash
  • Installed and uninstalled engine preservation
  • Storage inspection, shipping/receiving, and depreservation
  • IP/HP compressor, combustor, fuel slinger, and turbine borescope inspections
• Engine
  • Engine description and operation
  • Approved fuel and engine oil servicing
  • Oil filter analysis program
  • Spinner, fan rotor, case and insert assembly, gearbox, and bypass duct work
  • Internal cooling and sealing air system
  • Inspection and repair of fan, case, stator, gearbox, and related assemblies
• Engine Fuel and Control
  • Fuel system and fuel control system description
  • Fuel tube and drain tube assemblies
  • Fuel nozzle assembly and fuel pump filter
  • Fuel control unit removal, installation, adjustment, test, and inspection
  • Fuel filter indicator, manifold filter, and control shutoff valve
• Ignition
  • Ignition system description and testing
  • Ignition exciter and igniter lead
  • Igniter plug removal, installation, inspection, and cleaning
• Air
  • Air system description and operation
  • Acceleration bleed system linkage
  • Acceleration bleed system lever
  • Acceleration bleed system cable
• Engine Controls
  • Engine controls description and operation
  • LP shaft trip sensor adjustment, test, and inspection
• Engine Indicating
  • Engine indicating description and operation
  • LP and HP magnetic speed pickup assemblies
  • Intermediate turbine temperature probe and jumper harness
• Oil
  • Oil system description and operation
  • Oil filter and lube oil cooler
  • Lube and scavenge pump
  • Oil pressure regulating valve
  • Oil supply and rear bearing oil/scavenge tubes
  • Magnetic chip collector
  • Oil filler cap, dipstick, and sight glass

Taken together, these chapters provide a working line-maintenance reference rather than a simple overview. A technician can move from maintenance intervals and standard practices into system-level troubleshooting, component access, inspections, servicing, adjustment, testing, and the specific repair tasks that are included in the manual.

Troubleshooting, Inspection, and Test Information

Power plant fault isolation covers starting, idle, acceleration, takeoff, maximum-continuous, deceleration, shutdown, and other malfunctions through troubleshooting figures and task references. After maintenance, the manual identifies ground-running checks such as idle speed and leak checks, vibration surveys, stability/acceleration checks, performance checks, oil-consumption checks, high-power checks, and capped-bleed engine runs where applicable. These procedures help connect a reported symptom or completed maintenance action with the inspections and tests required before returning the engine to normal operation.

Inspection content is equally detailed. The manual includes borescope inspection tasks for the IP and HP compressors, internal oil leaks, combustor and fuel slinger areas, HP turbine blade leading edges, LP turbines, and turbine/nozzle areas. Standard-practice sections add bearing inspection flow charts, carbon-seal acceptance criteria, fluorescent penetrant inspection methods and limits, cleaning controls, torque practices, and special-tool calibration requirements. Scheduled maintenance information also addresses routine checks, major periodic inspections, life tracking, life-limited components, and accessory time-between-overhaul or storage limits where specified.

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Component-Level Procedures

For day-to-day line work, the FJ44-2C maintenance data reaches into major engine and accessory areas. Procedures cover the spinner and fan rotor, gearbox assembly and carbon seals, bypass ducts, fuel tubes and nozzles, the fuel control unit, ignition hardware, acceleration bleed components, magnetic speed pickups, ITT probes, oil-system components, magnetic chip collectors, and other installed hardware. Depending on the subject, tasks include removal and installation, visual or dimensional inspection, cleaning, adjustment, functional testing, and repair instructions.

The standard-practices material supports those component tasks with contamination prevention, seal handling, connector care, consumable-material references, locking methods, cleaning processes, minor-damage blending and surface restoration, torque-wrench technique, and tool calibration. This makes the manual useful not only when a component has already been identified for replacement, but also when the technician needs to prepare the work correctly, evaluate condition, follow inspection limits, or complete the required checks afterward.

Get the FJ44-2C Line Maintenance Manual in PDF

The Williams International FJ44-2C Turbofan Engine Line Maintenance Manual P/N 64135 Revision 56 supports practical FJ44-2C line maintenance, including troubleshooting, scheduled inspections, servicing, borescope work, component removal and installation, adjustment, testing, cleaning, and the repair procedures contained in the manual. Having the correct procedures, limits, task references, consumables, and test requirements available helps technicians perform work in the sequence and to the criteria specified for this engine.

Purchase provides instant PDF delivery with no physical shipping. View the manual on any device that supports PDF files, keep it available for workshop reference, and print the pages you need.