1974 Johnson 40 HP Outboard Motors Service manual, Page 66Get this manual
hRemove oil retainer from top of gearcase using seal emover (Special Tool 11377565) and extractor (Special ool 386661)Remove upper gearcase bearing, using bearing remover (Special Tool 11320018) iDrive propeller shaft oil seal out of housing, and remove "0" ring
FIXTURE
CLEANING, INSPECTION, AND REPAIR
aClean all parts with cleaning solvent such as Solvasol and dry with compressed airFigure 6-14Propeller Slip Clutch Fixture bDiscard all oil seals, "0" rings, and gasketsDiscard driveshaft bearing, as the thin steel ase hOUSing the needles will be damaged in emovalg heck water intake screen and passages by removing by-pass cover hInspect clutch dog, drive gears, pinion gear, and thrust washers for wearReplace if wornU shifter dog and drive gear engagement surfaces re chipped excessively ounded off, this may indi cat imprope shifting by operator of motor, or incorrect adjustment of remote controlsiWash bearings in clean solvent such as Solvasol and dry with compressed irReplace if worn pitted
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