CRANKSHAFTS & CAM GEARSRemovalSection 10CRANKSHAFTS & CAM GEARSREMOVALAluminum Cylinder EnginesTo remove the crankshaft from aluminum alloy engines,remove rust or burrs from the power take-off end of thecrankshaft. Remove crankcase coveror sump. If sumpor cover sticks, tap lightly with soft hammer on alternatesides near dowel. Turn crankshaft to align the crank-shaft and cam gear timing marks, lift out the cam gear,then remove the crankshaft. On ball bearing models, thecrankshaft and cam gear must be removed together.Fig. 1.Fig. 1. Ball Bearing EnginesCast Iron Cylinder EnginesModel Series 5, 6, 8, NPlain BearingsRemove magneto. Remove burrs and rust from P.T.O.end of crankshaft. Remove crankshaft, Fig. 2.Fig. 2. Remove or Install CrankshaftModel Series 6FB, 6FBC, 6SFB, 8FB,8FBC, 8FBP -- Ball BearingsRemove magneto. Drive out cam gear shaft whileholding cam gear to prevent dropping, Fig. 3. Push camgear into recess, Fig. 4. Pull crankshaft out frommagneto side.Fig. 3. Remove CamshaftOCTOBER, 19811
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