Piper PA-18 Super Cub — Supplemental Type Certificate

This document provides installation instructions for the Model 8400 brake booster assemblies and modifications to Scott Aviation Model B-711 Brake Master Cylinders. It is intended for use by technicians and pilots involved in the maintenance and modification of various Piper aircraft models, specifically those listed under the Supplemental Type Certificate (STC) No. SA2318NM. The document outlines necessary procedures for installation, including compliance with FAA regulations and the required documentation to be completed post-installation. It emphasizes the importance of using FAA-approved components and provides specific hydraulic pressure requirements for the brake systems involved.

• The installation of the brake booster requires FAA-approved high-pressure brake lines capable of withstanding 2547 PSI.
• The wheel/brake assembly must be approved for a maximum hydraulic pressure of at least 1698 PSI.
• FAA Form 337 must be completed after installation, detailing the work done and referencing the correct STC number.
• The document applies to multiple Piper models, including various PA-18 configurations and others listed under the STC.
• The latest revision of the document is dated March 13, 2008.