Craftsman 247.77586 Owner's Manual

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MAINTENANCECUSTOMER RESPONSIBILITIES_ _" _ p p _o" SERVICE DATESSgo.u.IZmZILlOil pivot pointsClean shredderCheck engine oilChange engine oilService air cleanerClean engineReset spark plugClean muffler2. CLEANINGClean the chipper-shredder by running waterfrom a hose through the hopper assembly andchipper chute with the engine running. Allowthe chipper-shredder to dry thoroughly.Wash the bag periodically with water. Allow todry thoroughly in the shade. Do not use heat.3. ENGINE MAINTENANCEEngine Oil• Only use high quality detergent oil rated withAPI service classification SF, SG or SH. Selectthe oil's viscosity grade according to yourexpected operating temperature. Refer topage 9 of this manual for viscosity chart.• The four-cycle engine of your chipper-shredder will normally consume some oil.Therefore, check engine oil level regularlyapproximately every five hours of operationand before each usage.• Stop engine and wait several minutes beforechecking oil level. With engine on level ground,the oil must be to FULL mark on dipstick.Change engine oil after the first five hours ofoperation, and every twenty-five hoursthereafter.To Drain OilDrain oil while engine is warm. Follow theinstructions given below.• Remove oil drain plug. Catch oil in a suitablecontainer.• When engine is drained of all oil, replace drainplug securely.• Refill with fresh oil. Refer to GAS AND OILFILL-UP section.• Replace dipstick.Air CleanerThe air cleaner prevents damaging dirt, dust, etc.,from entering the carburetor and being forced intothe engine and is important to engine life andperformance. The air cleaner consists of a pre-cleaner or foam filter, and a paper filter. Never run12