Manual - Avon engines RAAF, Royal Australian Air Force Avon Mks 20 &26 Repair and Reconditioning Instructions Publication type non-fiction Summary Repair & reconditioning instructions for RAAF Avon Mk 20 & 26 engines, circa 1957 Keywords tools & equipmemt, replacement / adjustment & rectification, major repairs, workshop processes, main rotating assembly, general repars, main casings & housings, miscellaneous maintenance matters