630-0195-001 Hydraulic Pressure Gauge Shuttle Valve
Glasair Service Bulletin 40 suggested that Glasair I RG builders relocate the hydraulic pressure gauge sensing point from the "up" (gear retraction) hydraulic pressure line to the "down" (gear extension)...
631-0195-021 Hartzell Constant Speed Propeller Spinner Installation
OPTION KIT: PIN 301-0260-501 -502 OR-503
OPTION KIT INSTRUCTIONS: P/N 631-0195-021
These instructions describe the installation of all three different spinner kits, with the different mounting procedures...