Cessna TTx — Maintenance Manual

This document serves as the installation manual and instructions for continued airworthiness for the CiES CC Series fuel level sending units, specifically under STC SA02511SE. It is intended for use by aircraft technicians and installers who are responsible for the installation of these fuel senders in eligible aircraft models, including the Cessna TTx. The manual outlines the specifications, installation procedures, electrical requirements, calibration processes, and troubleshooting guidelines necessary to ensure proper functionality and compliance with FAA regulations. It emphasizes the importance of safety during installation and provides detailed instructions to prevent potential hazards such as ignition sources in the event of a lightning strike.

• Operating voltage range: 9-28 VDC
• Power consumption at 14 VDC: 17.1 mA; at 28 VDC: 9.6 mA
• Signal output ranges include frequency (1,200Hz – 490Hz) and voltage (0-5 VDC)
• Calibration must ensure accuracy within 3% of actual fuel volume
• Proper bonding is critical for installations in metal aircraft to prevent ignition sources.