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Owner’s Manual
9 Horse Power
28” Two-Stage Track Drive
Snow Thrower
Model No.
247.888550
CAUTION: Before Safety
using this product, Assembly
ES ES
read this manual and Operation
follow all safety rules Service
and operating Maintenance
instructions. Español
Sears, Roebuck And Co., Hoffman Estates, IL 60179, U.S.A.
Visit our Sears website: www.sears.com/craftsman
Form No. 770-10051C
Printed in U.S.A.
(6/99)
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TABLE OF CONTENTS Content Page Content Page Warranty Information .........................................2 Service & Adjustment.........................................20 Safe Operation Practices ...................................3 Off-Season Storage ...........................................24 Hardware Pack ..................................................5 Trouble-Shooting ...............................................25 Assembly ...........................................................
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SAFE OPERATION PRACTICES This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate your snow thrower. Failure to comply with these instructions may result in personal injury. When you see this symbol—heed its warning. Your snow thrower was built to be operated according to the rules for safe operation in this manual. As wi
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hand in the discharge or collector openings. Use a by the snow thrower manufacturer. stick or wooden broom handle to unclog the Never operate the snow thrower without good visibility discharge opening. or light. Always be sure of your footing and keep a firm Take all possible precautions when leaving the unit hold on the handles. Walk, never run. unattended. Disengage the collector/impeller, stop Muffler and engine become hot and can cause severe the engine and remove the key. burn i
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HARDWARE PACK Lay the hardware pieces from the hardware pack on top of the figure here and you will have automatically sorted these according to the steps of the assembly procedure described later. (Only one unit of each hardware has been shown per group. The number in parenthesis indicates the total number of the hardware needed in that group.) Lock Washer (4) Flanged A E Hex Bolt (6) Nut (6) Hex Bolt (2) 1/4-20 1/4-20 x .75 Handle Tab (2) 5/16-18 x 1.75 (2) Hex Bolt Chute Flange Keeper
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ASSEMBLY Chute Rear Handle Left Panel Right Front Handles Shift Rod Chute Electric Crank Start Cord Figure 1 c. Electric Start Cord IMPORTANT: This unit is shipped with engine oil, but d. Two-Piece Chute Crank Assembly without gasoline, in the engine. After assembly, see e. Shift Rod OPERATION section of this manual for fuel selection f. Hardware Pack and fill-up. Assembly Tips: For easier assembly purposes, NOTE: To determine right and left hand sides of your remove the chute from th
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Secure bottom hole on the handle to the snow Attach handle panel to the handle with two thrower using 5/16 x .75" hex bolt and lock carriage bolts, cupped washers (cupped side washer from the hardware pack (group A on against the handle panel) and hex nuts on each page 5 ). Do not tighten at this time. See Figure 2. side. See Figure 3. You will find these fasteners in group B of the hardware pack. Align contour of the carriage bolt head with the handle. Tighten Lock Washer & Hex Bol
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Insert hex bolt through the upper chute crank Place the other 3/8 ID flat washer (from the same group of hardware) on the end of the chute bracket, handle panel support, and upper left crank and insert hairpin clip into eye hole at the handle. Secure the bracket using cupped washer and hex nut. Make sure that the cupped end of the chute crank. See Figure 7. Slide the upper chute crank through the plastic side of the washer is set against the contour of the handle. bushing in the upp
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Tighten all loose hardware on the handle WARNING: There must not be any tension assembly in the following order — first the hex on either clutch cable with the drive or auger bolts at the bottom of the handle, then the clutch grip in the disengaged (up) position. carriage bolts and lastly the hex bolts on the rear These clutches are a safety feature. Do not of the handle panel. override their function by allowing tension on either cable with the clutches disengaged. Attaching Clutch
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hardware pack. Make sure to route the cable tie Attaching Turn Triggers over the drive cable. See Figure 14. Make sure that the right hand trigger cable is routed in front of the traction drive cable. Trigger Cable Feed the trigger cable up through the outer side of Cable Tie the slot in the handle panel. Do not feed the cable through the same side of the slot as the Z fitting. Place the cable barrel fitting into the hole in the trigger. You can find the triggers and associate
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NOTE: Cables are out of adjustment if augers Final Adjustments continue to turn when auger clutch is released and/or Adjusting Auger Control machine continues to run when drive clutch is released. For more details, refer to the Service and To check the adjustment of the auger control, Adjustment section. push forward the left hand clutch grip until the rubber bumper is compressed. There should be Adjusting Skid Shoe slack in the clutch cable. The space between the shave plate and the
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OPERATION Knowing Your Snow Thrower Read this owner’s manual and safety rules before operating your snow thrower. Compare WEAR YOUR SAFETY GLASSES with your snow thrower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. The operation of any snow thrower can result in foreign objects being thrown into the eyes, FORESIGHT IS BETTER which can result in severe eye damage. Always wear safety glasses for operating the snow TH
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Weight Transfer Lever Operating Controls (See Figure 17.) The weight transfer lever is located on the right side of the snow thrower and is used to select the position of Chute Crank the housing and the method of track operation. See Figure 18. Move the lever to the right, then forward or The chute crank is located on the left side of the snow backward to one of the three positions. thrower. To change the direction in which snow is thrown, turn chute crank as follows: Normal turn clock
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Never use engine or carburetor cleaner products in Before Starting Engine the fuel tank or permanent damage may occur. Fill Gas To Start Engine WARNING: Gasoline is flammable and cau- tion must be used when handling or storing it. WARNING: Be sure no one other than the operator is standing near the snow Do not fill fuel tank while the snow thrower is thrower while starting or operating. Do not running, when it is hot or when it is in an operate this snow thrower unless the enclosed are
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Cold Start Operate the engine at full throttle (FAST) when throwing snow. NOTE: If the unit shows any sign of motion (drive or Warm Start augers) with the clutch grips disengaged, shut the engine off immediately. Readjust as instructed in the If restarting a warm engine after a shut down, “Final Adjustments” section on page 11. rotate choke to OFF instead of FULL and press the starter button. WARNING: The electric starter must be properly grounded at all times to avoid possibility of
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Use slower speeds until you are familiar with the After the area is cleared, stop the snow thrower operation of the snow thrower. following instructions given below. Squeeze the traction drive clutch grip against the Operating Tips right handle and the snow thrower will move. Release it and the drive motion will stop. NOTE: Allow the engine to warm up for a few minutes as the engine will not develop full power until it To Engage Augers reaches operating temperature. To engage augers a
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MAINTENANCE All adjustments in the Service and Adjustments General Recommendations section of this manual should be checked at Always observe safety rules when performing least once each season. any maintenance. Follow the maintenance schedule given below. The warranty on this snow thrower does not Periodically check all fasteners and make sure cover items that have been subjected to these are tight. operator abuse or negligence. To receive full value from the warranty, operat
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Bearings Lubrication For a view of the lubrication points on the snow Once a season lubricate the auger bearings and thrower, see Figure 20. the bearings on the side of the frame with light oil. See lubrication chart below. Sprocket Shaft Check V-belts Lubricate the sprocket shaft with grease at least once a season or after every 25 hours of Follow instructions below to check the condition of operation. the drive belts every 50 hours of operation. Remove the plastic belt cover
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Drain oil while engine is warm. Remove oil drain Engine Maintenance cap located at the bottom of the recoil starter of Engine Oil the engine. Catch oil in a suitable container. When engine is drained of all oil, replace drain Only use high quality detergent oil rated with API plug securely. service classification SF, SG or SH. Select the oil’s Remove the dipstick from the oil fill tube. For SAE viscosity grade according to the expected location of the oil fill tube, see Figure 1
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SERVICE & ADJUSTMENTS WARNING: Always stop the engine, dis- NOTE: If you placed plastic under the gas cap, be certain to remove it. connect spark plug wire and move it away from the spark plug before performing any Augers adjustments or repairs. The augers are secured to the spiral shaft with two Never attempt to clean the chute or make shear bolts and hex lock nuts. If you hit a foreign any adjustments while the engine is running. object or ice jam, the snow thrower is designed so that
