RANGER R7 — Vashon Aircraft RANGER R7

This document is the Maintenance Manual for the Vashon Aircraft Ranger R7, a Light Sport Aircraft (LSA). It provides comprehensive guidelines for the servicing and maintenance of the aircraft, ensuring compliance with ASTM standards. The manual is intended for use by owners, pilots, and maintenance personnel, detailing preventive and corrective maintenance tasks, inspection requirements, and necessary qualifications for personnel performing maintenance. It emphasizes the importance of safety and proper reporting of service difficulties to maintain airworthiness. The manual also includes specifications, torque values, and guidelines for major repairs and alterations, ensuring that all maintenance actions are performed correctly and safely.

• The Ranger R7 has a design gross weight of 600 kg (1323 lb) when on wheels and 650 kg (1433 lb) when on floats.
• The engine model is O-200-D with a rated power of 100 HP at 2750 RPM and a compression ratio of 8.5:1.
• Oil sump capacity is 5 quarts, with a recommended TBO of 2000 hours or 12 years.
• The manual specifies torque values for various components, such as 300 in-lbs for spark plugs and 160-190 in-lbs for front wheel axle nuts.
• Periodic inspections, including 100-hour and annual condition inspections, are essential for maintaining airworthiness.