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Owner's Manual
I
I
10 Horse Power
CHIPPER-SHREDDER
Model No.
247.775890
E
CAUTION: Before using this product,
read this manual and follow all Safety
Rules and Operating Instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A.
Printed in U.S.A. 770-081gA
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Content Page Content Page Warranty information 2 Service & Adjustment 15 Safe Operation Practices 3 Off-Season Storage 18 Assembly 5 Trouble-Shooting 19 Operation 8 Parts List 20 Maintenance 12 One-Year Warranty on Craftsman Chipper-Shredder For one year from the date of purchase, when this Craftsman chipper-shredder is maintained, lubricated, and tuned up according to the operating and maintenance instructions inthe operator's manual, Sears will repair, free of charge, any defect in material or
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Thissymbolpointsoutimportantsafetyinstructions which, ifnotfollowed, could endanger theper- I sonalsafety and/or propertyof yourselfand others. Read and follow all instructionsinthis manual before attemptingto operate your chippershredder. Failure to complywiththese instructionsmay resultin per- sonal injury.When you see this symbol--heed its warning. Yourchipper-shredderwas built to be operated according to the rules for safe operation in DANGER: this manual. As with any type of power equipment
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shut off.Never place anypart ofthebody inthe the engine is running. Allow engine to cool at impeller area untilyou are sure the impeller has least two minutes before refueling. stopped rotating. b. Replace gasoline cap securely and wipe off anl • Muffler and engine become hot and can cause a bum. spilled gasoline before starting the engine as it Do not touch. may cause a fire or explosion. • Do not allow leaves or other debris to build-up on c. Extinguish all cigarettes, cigars, pipes and other
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IMPORTANT: This unit is shipped without gasoline I Rear or oil in the engine. After assembly, see OPERATION section of this manual for proper fuel and engine oil fill-up. NOTE: To determine rightand left hand sides of your chipper-shredder, stand behind the-onit with the engine farthest away fromyou. See Figure I inset. _ Your chipper-shredder has been completely assembled at the factory, except for the hopper assembly, chipper chute, discharge chute and the catcher bag. These parts are shipped
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• Holding the hopper, push hopper pivot door down inside the hopper. See Figure 4. • Slide the hopper assembly towards the chipper- shredder housing so that the upper guide on the I Hex Nut J hopper assembly slides under the stop washer on each side of the inlet guide. See Figure 4. • Align the two holes (one on each side) of the Hinge \ lower hopper withthe two holes (one on each side) of the inlet guide. See. Figure 4 inset. \ • Insert the hex bolt (that you eadier removed) fromthe left throug
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• Raise the hopper till it clicks into position. • Secure with the three pairs of cupped washers • Unscrew the shoulder bolt from the stop washer and hex nuts that you eadier removed. Do not on the inlet guide. See Figure 6. tighten the nutsat this time. Make sure to place • Align the loose end of the flap control rod with the cupped side of the washer against the the stop washer on the inlet guide. chipper chute. • Slide the shoulder bolt through the opening in • Align the holes towards the fro
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Readthisowner's manual andsafetyrulesbefore operating yourchipper-shredder. Compare Figure 9with yourchipper-shredder tofamiliarize yourself withthelocation ofvarious controls and adjustments. Save this manual for future reference. The operation of any chipper-shredder can result in foreign objects being thrown into the eyes, which can result in severe eye damage. Always wear safety glasses providedwith the chipper-shredder before chipping or shredding, orwhile performing-any adjustments or repa
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Add oil, if necessary, to bring the oil level to Lowering Hopper Assembly FULL mark onthe dipstick. In order to rake leaves into the hopper, you will need Replace dipstickand tighten. to lower the hopper. NOTE: Do not overfill. Oil bottles packed with unit • To lower the hopper assembly, use one hand to contain a total of approximately 40 oz. of oil. grasp the hand-hold at the top of the hopper assembly and liftslightly. See Figure 5. Gasoline • Pul!up onthe release bar, and lower the hopper WAR
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WARNING: Do not fill closer than 1/2 before proceeding with starting procedure. • Move stopswitch to ON position. See Figure 12. inch from the top of the fuel tank to prevent A • Move choke control to CHOKE position. See spills and to allow for fuel expansion. If Figure 12. If restarting a warm engine after a gasoline is accidently spilled, move chipper- short shutdown, move choke lever to RUN shredder away from area of spill. Avoid position. creating any source of ignition untilgasoline • Grasp
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changes (becomes stringy, etc.) or if the rate at which hopper assembly when it is in the raised or the material isdischarged slows down considerably, it lowered position. See Figure 13. h, Bulky material, such as stalks or heavy is likely that the shredding blade and/or chipper branches, up to 3" in diameter should be blades are dulland need to be sharpened or replaced. Refer to Service and Adjustments section fed into the chipper chute. See Figure 13. on page 15 of this manual. WARNING: Do not
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General Recommendations Cleaning • Always observe safety rules when performing • Clean the chipper-shredder by running water any maintenance, from a hose throughthe hopper assembly and • The warranty on this chipper shredder does not chipper chute withthe engine running.Allow the cover items that have been subjected to operator chipper-shredder to dry thoroughly. abuse or negligence. To receive fullvalue from • Wash the bag periodicallywithwater. Allow to dry the warranty, operator must maintain
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theoilmustbetoFULL markondipstick. • Wash pre-cleaner, if so equipped, in liquid detergent and water. Squeeze dry with a clean Change engine oilevery 50hoursofoperation cloth. Saturate in engine oil, then squeeze in undernormal operating conditions. Change oil clean, absorbent cloth to remove all of the every25hourswhenoperating nderheavy excess oil. Replace the pre-cleaner if it is very loadorinhightemperatures. dirty or damaged. ToDrainOil • To service cartridge, clean by tapping gently on Dra
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• Inspect periodically, and replace if necessary. If head, top of piston and around valves. Use a your engine is equipped with a spark arrester soft brush to remove the deposits. screen assembly, remove every 50 hours for Reassemble gasket and cylinder head. Turn cleaning and inspection. Replace if damaged• screws down finger-tight.Torque cylinder head screws in a staggered sequence to 165 in.-Ibs. disconnect spark plug wire, and move it _lb WARNING: Always stop engine, away from spark plug befo
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by removing throe pairs of hex nut and cupped Removing Flail Screen washer. if the discharge area becomes clogged, remove the Holdingthe chute to the frame, remove the hex flail screen and clean area as follows. boltsthat secure the brace to the frame. Remove • Stop engine, make certain the chipper- the brace. You will need a 7/16" wrench for this. shredder has come to a complete stop and Rotatethe impellerassemblyby _and untilyou disconnect spark plugwire from the spark plug locateone of the tw
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When reassembling the blade, tighten center Weld Bolt bolt to between 550-700 inch-pounds and the two outer bolts to 250-300 inch-pounds, or Allen lacking torque wrench, tighten securely. Screw 1. Insert screw driver through hole "-,,.p Pipe 2. Blade should be parallel to ground Sc D:d_e_ Blade I I- Ground Torque Wrench Figure 21 Figure 20 • Remove the six hex lock nuts and lock washers Adjusting Carburetor from the housingweld bolts using a 112"wrench. WARNING: If any adjustmentsare made to Sep
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Check idlespeed and re-adjust to 1750 rpm, if Replacing Fuel Filter necessary. • Drain the gasoline tank by running the engine till Engine should accelerate smoothly, If it does it runs out of gasoline. not, adjust idle mixture valve counter-elcckwise • Usingaset of pliers,squeeze and unclampthe fuel 1/8 turn. line hose. Removethe oldfilter, See Figure 23, • Replace with a new filter and reclamp. be assembled to the carburetor before _lb ARNING: Air cleaner and its cover must starting the engine
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Prepare yourchipper-shredder for storage at the end may occur. Use fresh fuel next season. of the season or if the unit will not be used for 30 days or more. NOTE: Fuel stabilizer is an acceptable alternative in WARNING: Never store machine with fuel minimizing the formation of fuel gum deposits during inthe fuel tank inside of buildingwhere storage. fumes may reach an open flame or spark, • Add stabilizer to gasoline infuel tank or storage or where ignitionsources are present such container. as
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Problem Possible Cause Corrective Action 1. Fill tank with clean, fresh fuel 1. Fuel tank empty, or stale fuel Engine fails to start 2. Connect wire to spark plug. 2. Spark plug wire disconnected 3. Clean, adjust.gap or replace. 3. Faulty spark plug 4. Fuel shut-off valve notturned ON. 4. Move valve to ON position 1. Connect and tighten spark plug 1. Spark plugwire loose Loss of power; operation erratic wire 2. Move choke lever to OFF position 2. Unit running on Choke 3. Clean fuel line; fill ta
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CRAFTSMAN 10 H.P. CHIPPER SHREDDER MODEL 247,775890 2O
