Beechcraft 1900C — Service Manual

This document is a User Instruction Supplement for the DC400/A Adapter Module, specifically designed for use with the Beechcraft 1900 series aircraft, including the 1900, 1900C, and 1900D models. It provides detailed instructions for maintenance, inspection, testing, troubleshooting, and calibration of the fuel quantity systems in these aircraft. The manual is intended for technicians and maintenance personnel who are responsible for ensuring the proper functioning of the fuel quantity systems. It includes various tests such as insulation tests, capacitance tests, and indicator tests, along with the necessary equipment and procedures to carry them out effectively.

• The manual is specifically for Beechcraft models 1900, 1900C, and 1900D.
• It includes detailed instructions for testing and calibrating fuel quantity systems.
• Annual recertification of the Barfield Adapter Module is required.
• Safety precautions must be followed, including disconnecting the aircraft battery during tests.
• Specific capacitance values for tanks are provided for accurate calibration.