Craftsman Guide to Replacing Chipper and Shredder Blades: How to Remove Chipper Impeller
Page 15

WARNING: Always stop engine,

disconnect spark plug wire and keep away from spark plug, before performing any

service or adjustments on your machine.

Disconnecting Spark Plug

WARNING: The muffler and surrounding area wilt be hot if the engine has been running. Use caution and protect your hands if working near the muffler.

Locate the spark plug wire between the muffler and air cleaner. See Figure 17.

Muffler

Spark Plug Wire

Air Cleaner

Figure 17

Disconnect the spark plug wire by gently pulling the rubber boot from the spark plug. Keep the wire away from spark plug while servicing your chipper shredder to prevent accidental starting of the engine.

Replacing the Chipper Blades

are sharp. Wear leather work gloves to

,_ WARNING: The impetler'schipper blades protect your hands.

Stop the engine and make certain the chipper shredder has come to a complete stop. Disconnect spark plug wire and keep away from spark plug.

Pivot the shredder screen upward as instructed under the heading Cleaning the Reduction Chamber.

Remove the chipper chute support brace from the frame by removing the two hex bolts and saddle washers which secure it. See Figure 18.

Chipper Blade

Lock Washer & Nut

 

 

Impeller

Hex Bolts & .__t

 

 

Saddle Washers

_

Screw

Figure 18

Remove the chipper chute by removing three hex nuts and washers which secure it to the impeller housing. See Figure 18.

Rotate the impeller by hand until one of the two chipper blades is visible through the impeller housing opening.

Remove the blade by removing the internal hex screws, lock washers and hex nuts which secure it

to the impeller. Retain the hardware.

NOTE: Use a 3/16" hex key (Allen) wrench on the outside of the blade and a I/2" box (or socket) wrench on the inside of the impeller. See Figure 18. Hold the

Allen wrench stationary and rotate the box (or socket) wrench to loosen the nut.

Install a replacement blade (Part No. 742-0544) with the hardware removed earlier.

IMPORTANT:Make certain blades are reassembled with the sharp edge outward (toward the chipper chute). Torque hardware to between 20 ft-lbs and 25 ft-lbs.

To replace the other blade, rotate the impeller to

expose the second blade and repeat the steps above.

Replacing the Shredder Blade

,_

are sharp. Wear leather work gloves to

WARNING:

The impeller'schipper blades

protect your hands.

Stop the engine and make certain that all moving parts have come to a complete stop.

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Contents Sears, Roebuck And Co., Hoffman Estates, IL 60179 U.S.A Horse PowerSafety Operation Maintenance Storage Espa5ol, p Model NoMY-HOME ContentLimited Warranty on Craftsman Chipper Shredder This Warranty does not coverTraining Allowmachinetocootatleast5minutes Beforestoring OperationEngine Emissions Compliance Label After July 1, 2000, Look For Emissions Compliance Period OnLowering the Chipper Chute Removing Unit From CartonLoose Parts In Carton SeeFigure1 Raising the Chipper ChuteEmptying the Debris Collection Bag Attaching The Debris Collection BagOperating Controls See Figure Meets Ansi safety standardsKnow Your Chipper Shredder EnginejStopping Engine Gas And Oil Fill-upOil one 20-oz. bottle included Type of Fuel Starting EngineGasoline FullChoke ShreddingCleaning the Reduction Chamber Discharge Chute Shredder Screen HousingChipping Lubrication Air CleanerKnob Cover Cartridge Pre-cleaner Air Cleaner CustomerResponsibilitiesCleaning Engine Spark PlugChanging Oil Replacing the Shredder Blade Disconnecting Spark PlugSpark Plug Wire Replacing the Chipper BladesCarburetor Adjustment Chipper Shredder EngineRemedy Problem CauseSears Emission Control Defects Warranty Coverage Sears Craftsman 7.5 H.P. Chipper Shredder Model Inlet Guide Part DescriptionPage 633 365 633A D 163 137 276 127 130 %5 276Q968 467334 851 5z31Sears Craftsman 7.5 H.P. Chipper Shredder Model 2271 5241330REPA,MANOA, 1 48S.ORTBLOCK Refi 699508 399269 299819 Refi 595 523 524 Engine Labels 777S30180Esta garantia no cubre Garantia limitada de la cortadora trituradora CraftsmanPreparacion Dejarespacioparaladilataci6ndel Combustible Dejequeel motorseenfrieporlomenosdosPage Deslizamiento hacia arriba del canal de la cortadora Extraccibn de la unidad de la cajaPiezas sueltas en la caja VerFigura1 Deslizamiento hacia abajo del canal de la cortadoraColocacibn de la bolsa de recoleccibn de desechos Vaciado de la bolsa de recoleccibn de desechosHebina de seguric Conozca las propiedades de la cortadora trituradora Controles de funcionamiento vetFigura6Cumple con los estbndares de seguridad de Ansi Carga de gas y aceite Detencibn del motorEncendido del motor GasolinaAdvertencia Sea sumamente Limpieza de la tolva NosernecesariaVerFigura10Trituracibn CorteLa horquilla Limpieza del canal de reduccibnPerilla ResponsabilidadesdelclienteLubricacibn Filtro de aireLimpieza del motor Bujia de encendidoCambio de aceite Silenciador Filtro deair Reemplazo de las hojas de la cortadoraReemplazo de la hoja de la trituradora Desconexibn de la bujiaIgura zo Ajuste del carburadorTuercas con RebordeCortadora trituradora Fast Causa RemedioEncontrada en UR motor certificado Acuerdo De Proteccibn Para Reparaciones Repair Protection AgreementsMY-HOME Our HomeCanada

247.776350 specifications

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