BELL 505 Mechanic's Guide
  • Welcome!
  • 🚁System Descriptions
    • Introduction
    • Airframe Systems
      • Dimensions and Areas
      • Fuselage
        • Forward Fuselage
        • Mid Fuselage
        • Aft Fuselage
        • Roof
        • Tailboom
      • Stabilizers
      • Landing Gear
      • Equipment/Furnishings
      • Fire Protection (Fire Extinguishing)
      • Doors
      • Windows
      • Environmental Control
        • Distribution
        • Avionics Fans
        • Heating
      • Ice and rain protection (Air intakes)
    • Integrated Avionics Systems
      • Systems Integration and Display
      • Indicating/Recording Systems
        • Instruments and Control Panels
        • General Computers
        • Central Warning System
        • Central Display System
      • Communications
      • Navigation
        • Dependent Position Determining
    • Main Rotor
      • Main Rotor Hub and Blade Assembly
      • Rotating Controls
      • Main Rotor Indicating
    • Main Rotor Drive
      • Engine/Gearbox Couplings
      • Mast Assembly
      • Transmission Assembly
      • Transmission Oil
      • Mounts and Attachments
      • Main Rotor Drive Indicating
    • Tail Rotor
      • Tail Rotor Hub and Blade Assembly
      • Rotating Controls
    • Tail Rotor Drive
      • Shafts
      • Gearbox
      • Tail Rotor Drive Indicating
    • Flight Control Systems
      • Rotor Flight Controls
        • Dual Controls Kit
        • Collective Control System
        • Cyclic Control System
        • Anti-torque Control System
        • Servo-Control System
      • Hydraulic Power
    • Fuel
      • Storage
      • Distribution
      • Fuel Indicating
    • Power Plant Systems
      • Power Plant
      • Air
      • Exhaust
      • Oil
      • Engine Control
      • Ignition
    • Electrical Systems
      • Electrical Power
        • DC Generation
        • External Power
        • DC Electrical Load Distribution
        • Multipurpose Equipment
      • Lights
  • 🪛Line Maintenance
    • Overview of Line Maintenance
    • Servicing
      • Replenishing and Depleting
        • Filling the hydraulic system with fluid
        • Draining fluid from the hydraulic system
      • Lubrication
        • Lubricating the main rotor grips
        • Lubricating the trunnion bearings
        • Lubricating the pillow block assemblies
        • Lubricating the duplex bearing
        • Lubricating the needle bearings
        • Lubricating the pitch change mechanism
        • Lubricating the crew seat positioning mechanism
      • Clean and Surface Protection
        • Rotor blade - Erosion tape replacement
        • Flushing the hydraulic system
      • Inspection
        • 50 flight hours/1 year inspection
        • 100 flight hours inspection
        • 100 flight hours/6 months inspection
        • 100 flight hours/1 year inspection
        • 100 flight hours/18 months inspection
        • 150 flight hours inspection
        • 200 flight hours inspection
        • 300 flight hours inspection
    • Test and Checks
      • Power Assurance Check (PAC)
      • Checking the fluid level of the hydraulic system
      • Flame Out Protection System (FOPS) test
      • Testing the operation of the hydraulic system
      • Testing operation of audio integration system
      • Testing operation of speech communication
      • Testing operation of central warning systems
    • Fault Isolation
      • Crew Alerting System (CAS) Messages
        • WARNING Messages
          • BATTERY HOT
        • CAUTION Messages
        • ADVISORY Messages
        • STATUS Messages
      • System Failures
    • Removal/Installation
      • Electrical Power
        • Installing the ground power unit (GPU)
        • Removing the ground power unit (GPU)
      • Equipment/Furnishings
        • Removing the crew seats
        • Installing the crew seats
      • Hydraulic Power
        • Installing the hydraulic power unit
        • Removing the hydraulic power unit
        • Replacing the HRFM filter element
        • Restoring/replacing the hydraulic pressure filter element
        • Removing the hydraulic pump
        • Removing the pump adapter assembly
        • Installing the pump adapter assembly
        • Installing the hydraulic pump
      • Main Rotor
        • Removing the NR sensor
        • Installing the NR sensor
    • Standard Repairs
      • Main Driveshaft
      • Air Intake
  • 🔧Base Maintenance
    • Overview of Base Maintenance
    • Servicing
      • Adjust, align and calibrate
      • Inspection
    • Function Test
    • Fault Isolation
    • Removal/Installation
    • Major Repairs
  • 🧰Component Interim Maintenance
    • Overview of Component Interim Maintenance
    • Time Limits
    • Component Interim Inspections
  • ⚙️Component Restoration (Overhaul)
    • General Information
    • Main Rotor Hub Assembly
      • Dimensions and Areas
      • Maintenance Planning Information
      • Tools and Workaids
      • Disassembly
      • Cleaning and Paint Removal
      • Inspections
        • Conditional Inspection
        • Non-Destructive Inspections
      • Repair
      • Finishing
      • Assembly
    • Swashplate and Support Assembly
    • Mast Assembly
    • Transmission Assembly
    • Freewheel Assembly
    • Tail Rotor Hub Assembly
    • Tail Rotor Gearbox
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