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Operator's Manual
SNOW BLOWER
Model Nos. 247.88870*
247.88874*
247.88976*
247.88978*
* -- Last digit of model number varies
SNOW BLOWER
Model Nos. 247. 88394*
247. 88396*
247. 88640*
247. 88781*
247. 88789*
247. 88794*
* -- Last digit of model number varies
CAUTION: Before using this product,
read this manual and follow all safety
rules and operating instructions.
NOTE: The terms "snow thrower" and "snow blower"
may be used interchangeably for this product.
Sears Brands Management Corporation, Hoffman Estates, IL 60179, U.S.A.
Used under license
• SAFETY
• UNPACKING
• ASSEMBLY
• OPERATION
• MAINTENANCE
• ESPAÑOL
Visit our website: www.craftsman.com
Form No. 769-15950
(July 26, 2018)

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Summary of Contents for Craftsman 247.88794 Series

  • Page 1 NOTE: The terms “snow thrower” and “snow blower” • MAINTENANCE may be used interchangeably for this product. • ESPAÑOL Sears Brands Management Corporation, Hoffman Estates, IL 60179, U.S.A. Used under license Visit our website: www.craftsman.com Form No. 769-15950 (July 26, 2018)
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safe Operation Practices ......Page 3 Off-Season Storage ......Page 36 Assembly .
  • Page 3: Safe Operation Practices

    SAFETY INSTRUCTIONS WARNING DANGER This symbol points out important safety instructions which, if not This machine was built to be operated according to the safe operation followed, could endanger the personal safety and/or property of practices in this manual. As with any type of power equipment, yourself and others.
  • Page 4 SAFETY INSTRUCTIONS • If gasoline is spilled, wipe it off the engine and equipment. Move unit to • Disengage all control levers and stop engine before you leave the operating another area. Wait 5 minutes before starting the engine. If fuel is spilled on position (behind the handles).
  • Page 5 SAFETY INSTRUCTIONS • Observe proper disposal laws and regulations for gas, oil, etc. to protect the environment. • Prior to storing, run machine a few minutes to clear snow from machine and prevent freeze up of auger/impeller. • Never store the machine or fuel container inside where there is an open flame, spark or pilot light such as a water heater, furnace, clothes dryer etc.
  • Page 6 SAFETY INSTRUCTIONS SAFETY SYMBOLS This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate. Symbol Description READ THE OPERATOR’S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting to assemble and operate.
  • Page 7: Assembly

    ASSEMBLY NOTE: This Operator’s Manual covers several models. Features may vary by model. Not all features in this manual are applicable to all models and the model depicted may differ from yours. Refer to Figure 1 which shows the different versions and match the contents of carton (chute and directional control rod/flex shaft) to identify your specific unit.
  • Page 8 ASSEMBLY NOTE: References to right or left side of the snow blower are determined from Loosen the top two lock nuts securing the upper and lower handle and behind the unit in the operating position (standing directly behind the snow remove the two carriage screws from the lower handle and set aside.
  • Page 9 ASSEMBLY Place shift lever in Forward-6 position or fastest forward speed (if equipped). Pull up and back on upper handle as shown in Figure 5. As you are raising the handle upward, make sure that both ends of the center cable are positioned properly in the brackets.
  • Page 10 ASSEMBLY Standard Side Crank Chute Control Close flange keepers to secure chute assembly to chute base. Flange keepers will click into place when properly secure. See Figure 10. Figure 10 NOTE: Ensure the lower chute is secured to the flange on the chute base. The lower edge of the chute keeper should be positioned below the flange on the chute base after being clicked into place.
  • Page 11 ASSEMBLY Overhead Chute Control (w/ Chute Control Rod) Place chute assembly onto chute base and secure chute control head to chute support bracket with clevis pin and cotter pin removed in Step 1. See Figure Figure 14 Finish securing chute control head to chute support bracket with wing nut (a) and hex screw (b) removed in Step 1.
  • Page 12 ASSEMBLY 2-Way & 4-Way Chute Control Insert chute control rod into the support bracket on rear of the dash panel. See Figure 16. Figure 16 Remove hairpin clip (a) from rear of chute control head. See Figure 17. Figure 18 Remove hairpin clip, wing nut and hex screw from chute control head and clevis pin and bow-tie cotter pin from chute support bracket.
  • Page 13 ASSEMBLY Squeeze trigger on joystick and rotate chute by hand to face forward. The NOTE: For smoothest operation, cables should all be to the left of the chute holes in chute control input will be facing up. See Figure 22. directional control rod.
  • Page 14 ASSEMBLY Overhead Chute Control (w/ Flex Shaft & Steel Chute) Figure 24 NOTE: Chute control rod will fit snug into pinion gear. Support rear of dash panel with one hand while inserting rod with your other hand to ensure rod is inserted into pinion gear.
  • Page 15 ASSEMBLY Secure chute control head to chute support bracket with lock nuts and hex Insert hex end of flex shaft into chute control rod coupling under dash panel. screws removed in Step 1. See Figure 28. See Figure 30. Figure 30 Figure 28 Ensure speed selector is in fastest forward speed.
  • Page 16 ASSEMBLY Electric Chute Control Make sure the shift lever on the back of the transmission is rotated downward to the full extent of its rotation. See Figure 32. Figure 32 Insert ferrule into top hole of shift lever and secure with cotter pin (a) and washer (b) removed in Step 8.
  • Page 17 ASSEMBLY Insert the round end of the chute control rod into input of chute control Finish securing chute control head by installing hex screw and wing nut head. Push rod as far into the chute control head as possible, keeping the removed in Step 2.
  • Page 18 ASSEMBLY Set-Up Push the chute control rod toward the control panel until the hole in the rod lines up with the middle hole in the chute control input and insert the cotter Chute Control Cable Routing (If Equipped) pin removed in Step 1. See Figure 39. For units equipped with 2-way or 4-way chute control joystick, electric chute control and/or chute-pitch controls, ensure control cables are routed properly.
  • Page 19 ASSEMBLY Chute Clean-Out Tool Attach the drift cutters with the screws and wing knobs on the outside of the auger housing as shown in Figure 44. A chute clean-out tool is fastened to the top of the auger housing with a mounting clip.
  • Page 20 ASSEMBLY To adjust the skid shoes: Confirm that the auger has completely stopped rotating and shows NO signs of motion. If the auger shows ANY signs of rotating, immediately return to Loosen the four hex nuts (two on each side), flat washers, and carriage bolts. the operator’s position and shut OFF the engine.
  • Page 21: Operation

    Recoil Starter Handle Choke Electric Starter Oil Drain Button Control Electric Starter Oil Fill Outlet/Switchbox Electric Starter Outlet Oil Drain Figure 38 Meets ANSI Safety Standards Craftsman Snow Blowers conform to the safety standard of the American National Standards Institute (ANSI).
  • Page 22 OPERATION Throttle Control Now that you have set up your snow blower, it’s important to become acquainted with its controls and features. Refer to Figure 38. NOTE: This Operator’s Manual covers several models. Snow blower features may vary by model. Not all features in this manual are applicable to all snow blower models and the snow blower depicted may differ from yours.
  • Page 23 OPERATION Overhead Chute Directional Control (If Equipped) Auger Control AUGER CHUTE DIRECTIONAL CONTROL CONTROL ADJUSTABLE CHUTE TILT DISCHARGE DISCHARGE LEFT RIGHT The overhead chute directional control is located in the center of the snow blower The auger control is located on the left handle. Squeeze the control grip against the between the handle panel and lower handle.
  • Page 24 OPERATION Four-Way Chute Control (Joystick) (If Equipped) Clean-Out Tool WARNING Never use your hands to clear a clogged chute assembly. Shut off engine and remain behind handles until all moving parts have stopped before using the clean-out tool to clear the chute assembly. The chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip.
  • Page 25 OPERATION Before Starting Engine Gasoline Use automotive gasoline (unleaded or low leaded to minimize combustion chamber WARNING deposits) with a minimum of 87 octane. Gasoline with up to 10% ethanol or 15% MTBE (Methyl Tertiary Butyl Ether) can be used. Never use an oil/gasoline mixture Read, understand, and follow all instructions and warnings on the or dirty gasoline.
  • Page 26 OPERATION Electric Starter Pull gently on the starter handle until it begins to resist, then pull quickly and forcefully to overcome the compression. Do not release the handle and WARNING allow it to snap back. Return rope SLOWLY to original position. If required, repeat this step.
  • Page 27 OPERATION Replacing Shear Pins 3-Stage Snow Blowers • The side augers and central accelerator auger are secured to the spiral shaft WARNING using black shear pins (OEM Part No. 738-05273). See Figure 40. NEVER replace the auger shear pins with anything other than OEM Part No.
  • Page 28: Service &Maintenance

    SERVICE AND MAINTENANCE MAINTENANCE SCHEDULE Follow the maintenance schedule given below. This chart describes service WARNING guidelines only. Use the Service Log column to keep track of completed Before performing any type of maintenance/service, disengage all controls maintenance tasks. To locate the nearest Sears Service Center or to schedule service, and stop the engine.
  • Page 29 SERVICE AND MAINTENANCE Changing Engine Oil Checking Spark Plug NOTE: Change the engine oil after the first 5 hours of operation and once a season WARNING or every 50 hours thereafter. DO NOT check for spark with spark plug removed. DO NOT crank engine with Drain fuel from tank by running engine until the fuel tank is empty.
  • Page 30 SERVICE AND MAINTENANCE Wheels Electrode At least once a season, remove both wheels. Clean and coat the axles with a multipurpose automotive grease before reinstalling wheels. Chute Directional Control Once a season, lubricate the eye bolt bushing and spiral with 3-in-1 oil. Auger Shaft At least once a season, remove the shear pins on auger shaft.
  • Page 31 SERVICE AND MAINTENANCE Reassemble new shave plate, making sure heads of carriage bolts are to the Shift Rod inside of housing. Tighten securely. See Figure 59. If the full range of speeds (forward and reverse) cannot be achieved, refer to the Figure 61 and adjust the shift cable as follows: NOTE: Augers not shown for clarity.
  • Page 32 SERVICE AND MAINTENANCE Drive Control Chute Control Rod To achieve more chute control rod engagement in the input shaft under the handle When the drive control is released and in the disengaged “up” position, the cable should have very little slack. It should NOT be tight. Also, if there is excessive slack panel, the chute control rod will have to be adjusted.
  • Page 33 SERVICE AND MAINTENANCE Belt Replacement Chute If the chute fails to remain stationary during operation, the pre-load of the chute Auger Belt can be adjusted by tightening the hex nut found on the front of the chute control To remove and replace your snow blower’s auger belt, proceed as follows: head.
  • Page 34 SERVICE AND MAINTENANCE Remove the frame cover from the underside of the snow blower by removing Remove the belt from around the auger pulley, and slip the belt between the four self-tapping screws which secure it. See Figure 69. support bracket and the auger pulley. See Figure 71. NOTE: Engaging the auger control will ease removal and reinstallation of the belt.
  • Page 35 SERVICE AND MAINTENANCE Remove the right-hand wheel by removing the screw and bell washer which secure it to the axle. See Figure 72. Figure 74 Follow the steps above in reverse order to reassemble components. Perform the test previously described in the Drive Control section. Figure 72 If you’re disassembling the friction wheel and replacing only the rubber ring, Carefully remove the hex nut and washer which secures the hex shaft to...
  • Page 36: Off-Season Storage

    OFF-SEASON STORAGE If the snow blower will not be used for 30 days or longer, or if the end of the snow season, the equipment needs to be stored properly. Follow storage instructions below to ensure top performance from the snow blower for future use. Preparing Engine Preparing Snow Blower Engines stored over 30 days need to be drained of fuel to prevent deterioration and...
  • Page 37: Troubleshooting

    TROUBLESHOOTING WARNING Disconnect the spark plug wire and ground it against the engine to prevent unintended starting. Before performing any type of maintenance/service, disengage all controls and stop the engine. Wait until all moving parts have come to a complete stop. Always wear safety glasses during operation or while performing any adjustments or repairs.
  • Page 38 TROUBLESHOOTING Problem Cause Remedy Unit fails to discharge snow 1. Chute assembly clogged. 1. Stop engine immediately and disconnect spark plug wire. Clean chute assembly and inside of auger housing with clean-out tool. 2. Foreign object lodged in auger. 2. Stop engine immediately and disconnect spark plug wire. Remove object from auger with clean-out tool.