jt8 engine 2
TRANSCRIPT
![Page 1: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/1.jpg)
LINE & BASE MAINTENANCE
TRAINING
(Part 2)
By Ccoyure Tito
![Page 2: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/2.jpg)
FUEL SYSTEM6
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FUEL SYSTEM OVERVIEW
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Components - Engine Left Side
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Fuel System Components - Left Side
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Components - Engine Right Side
![Page 7: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/7.jpg)
Fuel System Components - Right Side
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FUEL PUMP
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Fuel Pump
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Fuel Pump
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FUEL DEICING AIR SHUTOFF VALVE ACTUATOR
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Fuel Deicing Air Shutoff Valve Actuator
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FUEL DEICING HEATER
![Page 14: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/14.jpg)
Fuel Deicing Heater
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FUEL DEICING CONTROL AND INDICATION
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Fuel Deicing Control And Indication
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Fuel Deicing Control And Indication
• Control Fuel Heat Valves.
![Page 18: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/18.jpg)
Fuel Deicing Control And Indication
• Monitor position of Fuel HeatValves.
• Extinguished - Valves closed
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Fuel Deicing Control And Indication
• 0° C or less.
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Fuel Deicing Control And Indication
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Fuel Deicing Control And Indication
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FUEL CONTROL UNIT
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Fuel Control Unit
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Fuel Control Unit
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Fuel Control Operation
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Fuel Control Schematic
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FUEL/OIL COOLER
![Page 28: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/28.jpg)
Fuel/Oil Cooler
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PRESSURIZING AND DUMP (P&D) VALVE
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Pressurizing And Dump Valve
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Pressurizing and Dump Valve
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P&D Valve (operating modes)
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Both fuel flows
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FUEL MANIFOLDS
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Fuel Manifolds
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FUEL NOZZLES
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Typical Fuel Nozzle And Supports
![Page 38: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/38.jpg)
Typical Fuel Nozzle And Supports
![Page 39: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/39.jpg)
Fuel Flow Sequence
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JT8D FUEL SYSTEM SCHEMATIC
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JT8D Fuel System Schematic
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JT8D Simplified Fuel Control
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Fuel Flow Sequence
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REVIEW QUESTIONS
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REVIEW QUESTIONS
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IGNITION SYSTEM7
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IGNITION SYSTEM COMPONENTS
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Control Stand
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Control Stand
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Control Panel
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Ignition System Components
![Page 52: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/52.jpg)
Ignition System Components
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DESCRIPTION AND OPERATION
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Ignition System Electrical Flow
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DESCRIPTION AND OPERATION
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Typical 20-4 Joule Ignition System
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Description And Operation
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Typical 20 Joule Ignition System
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Ignition System
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Ignition System
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Ignition System
![Page 62: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/62.jpg)
REVIEW QUESTIONS
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OIL SYSTEM8
![Page 64: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/64.jpg)
Oil System Overview
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Oil System Components
![Page 66: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/66.jpg)
Oil System External Components
![Page 67: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/67.jpg)
PRESSURE SUBSYSTEM
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Pressure Subsystem Schematic
![Page 69: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/69.jpg)
OIL TANK
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Oil Tank
![Page 71: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/71.jpg)
Oil Tank
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MAIN OIL PUMP
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Oil Pump
![Page 74: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/74.jpg)
MAIN OIL FILTER
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Main Oil Filter
DE PAPEL
c/20 Hrs.
DE METAL
c/150-200 Hrs.
CLEANABLEPRESS DROP: 5 PSI
CLEANABLEPRESS DROP: 7-9 PSI
DISPOSABLEPRESS DROP: 3-4 PSI
![Page 76: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/76.jpg)
OIL PRESSURE REGULATING VALVE
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Oil Pressure Regulating Valve
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Engine Oil Pressure Adjustment
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OIL PRESSURE REGULATING VALVE
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Oil Pressure Regulating Valve
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Engine Oil Pressure Adjustment
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FUEL/OIL COOLER
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Fuel/Oil Cooler
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SCAVENGE SUBSYSTEM
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Scavenge System Squematic
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SCAVENGE PUMPS
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Scavenge Pump
![Page 88: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/88.jpg)
SCAVENGE OIL DEAERATOR
![Page 89: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/89.jpg)
Oil Tank Deaerator
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BREATHER SUBSYSTEM
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Breather Subsystem Schematic
![Page 92: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/92.jpg)
MAIN ACCESSORY GEARBOX DEOILER
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Main Accessory Gearbox Deoiler
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JT8D OIL SYSTEM SCHEMATIC
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MAIN GEARBOX
![Page 96: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/96.jpg)
Main Accessory Gearbox
![Page 97: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/97.jpg)
REVIEW QUESTIONS
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REVIEW QUESTIONS
![Page 99: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/99.jpg)
REVIEW QUESTIONS
![Page 100: JT8 engine 2](https://reader033.vdocument.in/reader033/viewer/2022052209/587001e91a28ab427f8b51c7/html5/thumbnails/100.jpg)
LINE & BASE MAINTENANCE
TRAININGFinish Part 2