Introduction

This Handbook covers complete and detailed instructions for the operation, service, and maintenance of Warner Super Scarab Series 50 and Super Scarab Series 50A (145 HP) engines.  Included also are a complete Parts Interchangeability List, Table of Limits, Service Tools List, and Station Overhaul Tools List.

The instructions cover the complete line of Warner 145 HP engines, include the older type engines with three (3) ring pistons, and flat cylinder base gaskets as well as the current type engines with reinforced four (4) ring pistons, "O" ring cylinder base packings, improved type cylinder hold-down studs, and other minor engineering improvements.  For conversion of older type engines to the improved "O" ring cylinder base packings and cylinder hold-down studs refer to Warner Service Letter No. A-17.

Additional instructions on any specific installation or service problem will be furnished by our Service department upon request should information herein contained prove inadequate.

July 1945, The Warner Aircraft Corporation, Detroit Michigan.