TM 55-1520-240-T-1 Aviation Unit and Aviation Intermediate Troubleshooting Manual CH-47D

Chinook

Chapter 1 has:

• The Complete List of Troubleshooting Symptoms you will find in this manual, This list outlines each chapter by system and symptom.
• Complete wiring for 300 Series Connectors and Receptacles, Terminal Boards, and Ground Devices.

Chapters 2 thru 17 have sets of troubleshooting instructions that include:

• A Chapter outline of all systems and symptoms found in the beginning of each Chapter.
• Connector part numbers and pin patterns for each connector and receptacle in systems contained in chapter. Also included are relay termination views and ground termination types and location.
• System Component Diagrams
• System Block Diagrams
• System Schematics, Ladder Schematics and Wiring Diagrams
• Fuel Piping Diagrams
• Hydraulic Piping Diagrams
• Tables
• Visual Checks with locator figures and step by step procedures.
• Operational Checks with locator figures and step by step procedures.
• Fault Isolation Procedures with locator figures and troubleshooting logic for specific system faults.

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