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Craftsman Snow Blower User Manual

Craftsman Snow Blower Featured

Craftsman

Craftsman Snow Blower

Craftsman Snow Blower Product

About Craftsman
We are CRAFTSMAN, an actual brand. We have been the name that homeowners, home builders, car enthusiasts, and expert technicians rely on for almost a century. The CRAFTSMAN of today carries on that tradition. In our opinion at CRAFTSMAN, time spent using tools should be well spent. Users of CRAFTSMAN look for opportunities to get their hands dirty. From the simplest oil change to getting a bit of horsepower out of their beloved vehicle, they take delight in every accomplishment.

SAFETY INSTRUCTIONS

TRAINING

  • Read, understand, and follow all instructions on the machine and in the manual(s) before attempting to assemble and operate. Failure to do so can result in serious injury to the operator and/or bystanders. Keep this manual in a safe place for future and regular reference and for ordering replacement parts.
  • Be familiar with all controls and their proper operation. Know how to stop the machine and disengage it quickly.
  • Never allow children under 14 years of age to operate this machine. Children 14 and over should read and understand the instructions and safe operation practices in this manual and on the machine and be trained and supervised by an adult.
  • Never allow adults to operate this machine without proper instruction.
  • Thrown objects can cause serious personal injury. Plan your snow-throwing pattern to avoid the discharge of material toward roads, bystanders, and the like.
  • Keep bystanders, pets, and children at least 75 feet from the machine while it is in operation. Stop the machine if anyone enters the area.
  • Exercise caution to avoid slipping or falling, especially when operating in reverse.

PREPARATION

  • Thoroughly inspect the area where the equipment is to be used. Remove all doormats, newspapers, sleds, boards, wires, and other foreign objects, that could be tripped over or thrown by the auger/impeller.
  • Always wear safety glasses or eye shields during operation and while performing an adjustment or repair to protect your eyes. Thrown objects which ricochet can cause serious injury to the eyes.
  • Do not operate without wearing adequate winter outer garments. Do not wear jewelry, long scarves, or other loose clothing, which could become entangled in moving parts. Wear footwear that will improve footing on slippery surfaces.
  • Use a grounded three-wire extension cord and receptacle for all machines with electric start engines.
  • Disengage all control levers before starting the engine.
  • Never attempt to make any adjustments while the engine is running, except where specifically recommended in the operator’s manual.
  • Let the engine and machine adjust to outdoor temperature before starting to clear snow.

Safe Handling of Gasoline:

To avoid personal injury or property damage use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite. Wash your skin and change clothes immediately.

  • Use only an approved gasoline container.
  • Extinguish all cigarettes, cigars, pipes, and other sources of ignition.
  • Never fuel the machine indoors.
  • Never remove the gas cap or add fuel while the engine is hot or running.
  • Allow the engine to cool for at least two minutes before refueling.
  • Never overfill the fuel tank. Fill the tank to no more than ½ inch below the bottom of the filler neck to provide space for fuel expansion.
  • Replace the gasoline cap and tighten it securely.
  • If gasoline is spilled, wipe it off the engine and equipment. Move the machine to another area. Wait 5 minutes before starting the engine.
  • Never store the machine or fuel container inside where there is an open flame, spark, or pilot light (e.g. furnace, water heater, space heater, clothes dryer, etc.).
  • Allow the machine to cool for at least 5 minutes before storing.
  • Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.
  • If possible, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container, rather than from a gasoline dispenser nozzle.
  • Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device.

OPERATION

  • Do not put hands or feet near rotating parts, in the auger/impeller housing or chute assembly. Contact with the rotating parts can amputate hands and feet.
  • The auger/impeller control lever is a safety device. Never bypass its operation.
    Doing so makes the machine unsafe and may cause personal injury.
  • The control levers must operate easily in both directions and automatically return to the disengaged position when released.
  • Never operate with a missing or damaged chute assembly. Keep all safety devices in place and working.
  • Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.
  • Do not operate the machine while under the influence of alcohol or drugs.
  • The muffler and engine become hot and can cause a burn. Do not touch. Keep children away.
  • Exercise extreme caution when operating on or crossing gravel surfaces. Stay alert for hidden hazards or traffic.
  • Exercise caution when changing direction and while operating on slopes.
  • Plan your snow-throwing pattern to avoid discharge toward windows, walls, cars, etc. Thus, avoiding possible property damage or personal injury caused by a ricochet.
  • Prevent possible property damage or personal injury from object ricochets by planning your snow-throwing pattern to avoid discharge towards windows, walls, cars, etc.
  • Do not overload machine capacity by attempting to clear snow at too fast of a rate.
  • Never operate this machine without good visibility or light. Always be sure of your footing and keep a firm hold on the handles. Walk, never run.
  • Disengage power to the auger/impeller when transporting or not in use.
  • Never operate the machine at high transport speeds on slippery surfaces. Look down and behind and use care when backing up.
  • If the machine should start to vibrate abnormally, stop the engine, disconnect the spark plug wire, and ground it against the engine. Inspect thoroughly for damage. Repair any damage before starting and operating.
  • Disengage all control levers and stop the engine before you leave the operating position (behind the handles). Wait until the auger/impeller comes to a complete stop before unclogging the chute assembly, and making any adjustments, or inspections.
  • Never put your hand in the discharge or collector openings. Do not unclog the chute assembly while the engine is running. Shut off the engine and remain behind the handles until all moving parts have stopped before unclogging.
  • Use only attachments and accessories approved by the manufacturer (e.g. wheel weights, tire chains, cabs, etc.).
  • When starting the engine, pull the cord slowly until resistance is felt, then pull rapidly. Rapid retraction of the starter cord (kickback) will pull your hand and arm toward the engine faster than you can let go. Broken bones, fractures, bruises, or sprains could result.

CLEARING A CLOGGED DISCHARGE CHUTE

Hand contact with the rotating impeller inside the discharge chute is the most common cause of injury associated with snow blowers. Never use your hand to clean out the discharge chute. To clear the chute:

  • SHUT THE ENGINE OFF!
  • Wait 10 seconds to be sure the impeller blades have stopped rotating.
  • Always use a clean-out tool, not your hands.

MAINTENANCE & STORAGE

  • Never tamper with safety devices. Check their proper operation regularly. Refer to the maintenance and adjustment sections of this manual.
  • Before cleaning, repairing, or inspecting the machine disengage all control levers and stop the engine. Wait until the auger/impeller comes to a complete stop. Disconnect the spark plug wire and ground against the engine to prevent unintended starting.
  • Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition. Also, visually inspect the machine for any damage.
  • Do not change the engine governor setting or over-speed the engine. The governor controls the maximum safe operating speed of the engine.
  • Snow blower shave plates and skid shoes are subject to wear and damage. For your safety protection, frequently check all components and replace them with original equipment manufacturer’s (OEM) parts only as listed in the Parts pages of this Operator’s Manual. Use of parts that do not meet the original equipment specifications may lead to improper performance and compromise safety!
  • Check control levers periodically to verify they engage and disengage properly and adjust, if necessary. Refer to the adjustment section in this operator’s manual for instructions.
  • Maintain or replace safety and instruction labels, as necessary.
  • Observe proper disposal laws and regulations for gas, oil, etc. to protect the environment.
  • Prior to storing, run the machine for a few minutes to clear snow from the machine and prevent freeze-up of the 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.
  • Always refer to the operator’s manual for proper instructions on off-season storage.
  • Check the fuel line, tank, cap, and fittings frequently for cracks or leaks. Replace if necessary.
  • Do not crank the engine with the spark plug removed.
  • According to the Consumer Products Safety Commission (CPSC) and the U.S. Environmental Protection Agency (EPA), this product has an Average Useful Life of seven (7) years, or 60 hours of operation. At the end of the Average Useful Life have the machine inspected annually by an authorized service dealer to ensure that all mechanical and safety systems are working properly and not worn excessively. Failure to do so can result in accidents, injuries, or death.

DO NOT MODIFY ENGINE

To avoid serious injury or death, do not modify the engine in any way. Tampering with the governor setting can lead to a runaway engine and cause it to operate at unsafe speeds. Never tamper with the factory setting of the engine governor.

NOTICE REGARDING EMISSIONS

Engines that are certified to comply with California and federal EPA emission regulations for SORE (Small Off Road Equipment) are certified to operate on regular unleaded gasoline and may include the following emission control systems: Engine Modification (EM), Oxidizing Catalyst (OC), Secondary Air Injection (SAI) and Three Way Catalyst (TWC) if so equipped.

SPARK ARRESTOR

WARNING:

This machine is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered, or grass-covered land unless the engine’s exhaust system is equipped with a spark arrestor meeting applicable local or state laws (if any). If a spark arrestor is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrestor for the muffler is available through your nearest authorized Service Center, or by calling 1-888-331-4569.

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

Craftsman Snow Blowe (12)

  • READ THE OPERATOR’S MANUAL(S)
    Read, understand, and follow all instructions in the manual(s) before attempting to assemble and operate.
  • WARNING— ROTATING BLADES
    Keep hands out of inlet and discharge openings while the machine is running. There are rotating blades inside.
  • WARNING— ROTATING BLADES
    Keep hands out of inlet and discharge openings while the machine is running. There are rotating blades inside.
  • WARNING— ROTATING AUGER
    Do not put hands or feet near rotating parts, in the auger/impeller housing or chute assembly. Contact with the rotating parts can amputate hands and feet.
  • WARNING—THROWN OBJECTS
    This machine may pick up and throw objects which can cause serious personal injury.
  • WARNING—GASOLINE IS FLAMMABLE
    Allow the engine to cool for at least two minutes before refueling.
  • WARNING— CARBON MONOXIDE
    Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.
  • WARNING— ELECTRICAL SHOCK
    Do not use the engine’s electric starter in the rain.
  • WARNING— HOT SURFACE
    Engine parts, especially the muffler, become extremely hot during operation. Allow the engine and muffler to cool before touching.

ASSEMBLY

NOTE: All references to the left or right side of the snow blower are from the operator’s position. Any exceptions will be noted.
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.

Unpacking the Snow Blower

  1. Open the top of the carton.Craftsman Snow Blowe (1)
  2. Cut down the corners on the front of the carton and fold down the front side.Craftsman Snow Blowe (2)
  3. Pull the snow blower out of the carton. Be sure not to damage the chute or any cables attached to the chute, which is shipped under the shroud on the backside of the carton.

Positioning the Upper Handle 

  1. Remove the wing knobs and carriage bolts from the top of the lower handle. It is not necessary to remove the shoulder screw and flange lock nut below the wing knob and carriage bolt. Craftsman Snow Blowe (3)
  2. Pivot the upper handle into the operating position. Be sure not to pinch any of the cables in the process. Craftsman Snow Blowe (4)
  3. Tighten the previously removed hardware to secure the handle in place. Craftsman Snow Blowe (5)

Installing the Chute

  1. Place the chute handle on the lower chute Be certain that the handle is aligned with the channel on the chute and that the tabs snap into place. 
  2. Remove the screws in the chute base. Craftsman Snow Blowe (6)
    Align the holes in the chute base with the holes in the lower chute and secure with the previously removed screws.

Installing the Recoil Starter Handle

  1. Remove the eye bolt and handle knob from the manual bag.
  2. Place the eye bolt and handle knob on the upper handle as shown in  Do not fully tighten the hardware until instructed to do so.
    NOTE: The opening of the eye bolt should face toward the back of the snow blower.
  3. Slowly pull the recoil starter handle up towards the eye bolt.
  4. Slip the recoil starter rope into the eye bolt from the back side of the snow blower. 
  5. Securely tighten the eye bolt and handle knob

Set-Up

Fuel Recommendations 

CAUTION:

Operating the engine with E15 or E85 fuel, an oil/gasoline mixture, dirty gasoline, or gasoline over 30 days old without a fuel stabilizing additive may result in damage to your engine’s carburetor. Subsequent damage would not be covered under the manufacturer’s warranty. Use automotive gasoline (unleaded or low led to minimize combustion chamber deposits) with a minimum of 87 octane. Gasoline with up to 10% ethanol (E10) or 15% MTBE (Methyl Tertiary Butyl Ether) can be used. Never use an oil/gasoline mixture or dirty gasoline. Avoid getting dirt, dust, or water in the fuel tank.

DO NOT use E15 or E85 gasoline.

  • Refuel in a well-ventilated area with the engine stopped. Do not smoke or allow flames or sparks in the area where the engine is refueled or where gasoline is stored.
  • Do not overfill the fuel tank. After refueling, make sure the tank cap is closed properly and securely.
  • Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may ignite. If any fuel is spilled, make sure the area is dry before starting the engine.
  • Avoid repeated or prolonged contact with skin or breathing of vapor.

Adding Fuel

  1. Remove the gas cap, check the fuel level, and add fuel if necessary. Fill the tank until the fuel reaches 1/2” below the bottom of the filler neck to allow for fuel expansion. Be careful not to overfill.

Checking & Adding Oil

CAUTION:

The engine is shipped without oil in the engine. You must fill the engine with oil before operating. Running the engine with insufficient oil can cause serious engine damage and void the product warranty.

  1. Place the snow blower on a flat, level surface.
  2. On some models, the oil filler cap/dipstick can be accessed on the left side of the shroud. On other models, the oil filler cap/dipstick can be accessed at the rear of the snow blower.Craftsman Snow Blowe (7) Craftsman Snow Blowe (8)
  3. Remove the oil filler cap/dipstick and wipe the dipstick clean.
  4. Insert the oil filler cap/dipstick into the oil filler neck, but do not screw it in.
  5. Remove the oil filler cap/dipstick. If the level is low, slowly add oil until the oil level registers between the upper lever and the lower level.
    NOTE: Do not overfill. Overfilling with oil may cause smoking, hard starting, or spark plug fouling.
  6. Replace and tighten the oil filler cap/dipstick firmly before starting the engine.

NOTE: DO NOT allow the oil level to fall below the lower level on the dipstick. Doing so may result in equipment malfunctions or damage.
NOTE: To change the oil on your engine, see the Maintenance section of this manual.

OPERATION

Craftsman Snow Blowe (9)

Now that you have set up your snow blower, it’s important to become acquainted with its controls and features. 

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 unit depicted may differ from yours.

NOTE: References to LEFT, RIGHT, FRONT, and REAR indicate that position on the when facing forward in the operation position.

Choke Control

Model: CMXGBAM1054538, CMXGBAM1054539

Craftsman Snow Blowe (10)

Model: CMXGBAM1054540, CMGSB21179

Craftsman Snow Blowe (11)

Activating the choke control closes the choke plate on the carburetor and aids in starting the engine. The choke lever slides between the RUN and CHOKE positions. Pressing the primer, making sure to cover the vent hole when pushing, forces fuel directly into the engine’s carburetor to aid in cold-weather starting.

Recoil Starter Handle

The recoil starter handle is used to start the engine.

Gas Cap

Remove the gas cap to add fuel.

Key

The key is a safety device. It must be fully inserted in order for the engine to start. Remove the key when the snow blower is not in use.

NOTE: Do not turn the key in an attempt to start the engine. Doing so may cause it to break.

Auger

When engaged, the auger rotation draws snow into the auger housing and throws it out the discharge chute. Rubber paddles on the auger also aid in propelling the snow blower as it comes in contact with the pavement.

Auger Control

Located on the upper handle, the auger control handle is used to engage and disengage the drive to the auger. Squeeze the control handle against the upper handle to engage the auger; release it to disengage.

Chute Assembly

Rotate the discharge chute to the left or right using the control handle. The pitch of the discharge chute controls the angle at which the snow is thrown. Loosen the wing knob on the side of the discharge chute before pivoting the discharge chute upward or downward. Retighten the knob once the desired position has been achieved.

Shave Plate

The shave plate maintains contact with the pavement as the snow blower is propelled, allowing snow close to the pavement’s surface to be discharged.

Before Starting the Engine

WARNING:

Read, understand, and follow all the instructions and warnings on the machine and in this manual before operating.

Starting The Engine

Recoil Starter

WARNING:

Always keep your hands and feet clear of moving parts. Do not use a pressurized starting fluid. Vapors are flammable.

WARNING:

To avoid carbon monoxide poisoning, make sure the engine is outdoors in a well-ventilated area.

  1. Make certain the auger control is in the disengaged (released) position.
  2. Insert the ignition key into the slot. Make sure it snaps into place. Do not attempt to turn the key. for models CMXGBAM1054538, and CMXGBAM1054539, and for modelsPush the choke lever to the CHOKE position.
  3. If the engine is warm, place the choke in the RUN position instead of CHOKE.
  4. Push the primer five to seven (5-7) times for models CMXGBAM1054538 and CMXGBAM1054539 and three (3) times for models CMXGBAM1054540 and CMGSB21179, making sure to cover the vent hole when pushing.
  5. If the engine is warm, push the primer only once.
  6. Grasp the recoil starter handle and slowly pull the rope out. At the point where it becomes slightly harder to pull the rope, slowly allow the rope to recoil.
  7. Pull the starter handle with a firm, rapid stroke. Do not release the handle and allow it to snap back. Keep a firm hold on the starter handle and allow it to slowly recoil.
  8. Allow the engine to warm up for several minutes, adjusting the choke toward the RUN position. Wait until the engine runs smoothly before each choke adjustment.

Electric Starter (If equipped)

Determine that your home’s wiring is a three-wire grounded system. Ask a licensed electrician if you are not certain. If you have a grounded three-prong receptacle, proceed as follows:

CAUTION

The extension cord can be any length but must be rated for 15 amps at 125 volts, grounded, and rated for outdoor use.

  1. Make certain the auger control is in the disengaged (released) position.
  2. Insert the ignition key into the slot. Make sure it snaps into place. Do not attempt to turn the key. for models CMXGBAM1054540 and CMGSB21179.
    NOTE: The engine cannot start unless the key is fully inserted into the ignition switch.
  3. Plug the extension cord into the outlet located on the engine’s surface. Plug the other end of the extension cord into a three-prong 120-volt, grounded, AC outlet in a well-ventilated area.
  4. Push the choke lever to the CHOKE position.
  5. If the engine is warm, place the choke in the RUN position instead of CHOKE.
  6. Push the primer three (3) times for models CMXGBAM1054540 and CMGSB21179, making sure to cover the vent hole when pushing.
  7. If the engine is warm, push the primer button only once.
  8. Push the starter button to start the engine.
  9. Once the engine starts, release the starter button.
  10. Allow the engine to warm up for several minutes, adjusting the choke toward the RUN position. Wait until the engine runs smoothly before each choke adjustment.
  11. When disconnecting the extension cord, always unplug the end at the three-prong wall outlet before unplugging the opposite end from the snow blower.

Stopping the Engine

  1. Run the engine for a few minutes without engaging the auger before stopping to help dry off any moisture on the engine.
  2. To stop the engine remove the key and store it in a safe place.
    NOTE: Remove the key to quickly stop the engine in the event of an emergency.
  3. Wipe all the snow and moisture away from the engine control area.

WARNING: Muffler, engine and surrounding areas become hot and can cause a burn. Be careful and do not touch them when they are hot.

Engaging the Auger

Engage the auger by squeezing the auger control against the upper handle. Release the control to stop the auger.

Engaging the Drive

Lift up slightly on the upper handle to allow the rubber paddles on the auger to contact the pavement and propel the snow blower forward. Pushing downward on the handle will raise the auger off the ground and stop the forward motion.
NOTE: Excessive upward pressure on the handle will result in premature wear to the rubber auger paddles.

Clearing a Clogged Discharge Chute

Hand contact with the rotating impeller inside the discharge chute is the most common cause of injury associated with snow blowers. Never use your hand to clean out the discharge chute.
To clear the chute:

  1. Stop the engine. See the instructions above for how to stop the engine.
  2. Wait 10 seconds to be sure the impeller blades have stopped rotating.
  3. Always use a clean-out tool or stick, not your hand

Operating the Snow Blower

  • Once the auger drive is engaged, roll the snow blower into the layer of snow to be removed.
  • Adjust the chute so that the snow is not thrown over other snow that is to be removed.
  • Prevent possible property damage or personal injury from object ricochets by planning your snow-throwing pattern to avoid discharge towards windows, walls, cars, etc.
  • Do not overload machine capacity by attempting to clear snow at too fast of a rate.
  • Never operate this machine without good visibility or light.
  • Always be sure of your footing and keep a firm hold on the handles.
  • Walk, never run when operating the snow blower.
  • Look down and behind and use care when backing up.

SERVICE AND MAINTENANCE

MAINTENANCE SCHEDULE

WARNING:

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. Disconnect the spark plug wire and ground it against the engine to prevent unintended starting. Always wear safety glasses during operation or while performing any adjustments or repairs.

Follow the maintenance schedule given below. This chart describes service guidelines only. Use the Service Log column to keep track of completed maintenance tasks. To locate the nearest authorized

Service Center or to schedule service, call the following toll-free number: 1-888-331-4569.

Interval: Item: Service: Service Log

Each use:

  1. Engine oil level.
  2. Snow blower and exhaust area.:
  3. Check.
  4. Clean.

1st 5 hours:

  1. Engine oil.
  2. Change.

Every 5 hours:

  1. Engine oil.
  2. Exhaust area.:
  3. Check.
  4. Clean.

25 hours:

  1. Spark plug.
  2. Check. (See engine manual)

Every season/50 hours

  1. Engine oil.
  2. Change.

Every season/100 hours:

  1. Spark plug.
  2. Clean, replace, re-gap. (See engine manual):

Every season/Before storage:

  1. Pivot points.
  2. Control handle.
  3. Extension spring.

Lubricate.

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.

Maintenance

Engine

Refer to the Engine Operator’s Manual for all engine maintenance procedures. Checking, adding, and changing oil are also found in this manual.

Lubrication

Lubricate the pivot points on the control handle and the extension spring at the end of the control cable with light oil once every season and before the snow blower is put into storage at the end of the season.

Adjustments

Shave Plate
To check the adjustment of the shave plate, place the machine on a level surface. The wheels shave plate, and auger paddles should all contact the level surface. Note that if the shave plate is adjusted too high, snow may blow under the auger housing. If the shave plate wears out excessively, or the snow blower does not self-propel, the shave plate may be too low to the ground and needs to be adjusted.
NOTE: On new snow blowers or machines with a new shave plate installed, the auger paddles may be slightly off the ground.
To adjust the shave plate proceed as follows:

  1. Run the snow blower until the fuel tank is empty.
  2. Pull the starter cord until resistance is felt. Then tip the snow blower back until it rests on the handles. To ensure that the snow blower does not tip forward, it may be necessary to secure the handle to the ground with a block or other object.
  3. Loosen the four flange lock nuts and carriage screws which secure the shave plate to the housing. Move the shave plate to the appropriate position and retighten the nuts and screws securely.
  4. Tip the snow blower back to the operating position and pull the recoil starter handle a few times to see if it is difficult to pull.
  5. If the starter is difficult to pull, remove the spark plug and pull the handle several times to ensure that any oil trapped in the engine head is removed.
    CAUTION:
    Oil may come out of the spark plug hole when it is removed and the starter handle is pulled.
  6. Inspect the spark plug. If it is wet, clean off any oil before re-installing.

Control Cable

As a result of both the control cable and the auger drive belt stretching due to wear, periodic adjustments may be necessary. If the auger seems to hesitate when rotating, proceed as follows:

  1. The upper hole in the control handle provides for an adjustment in cable tension. To adjust, disconnect the end of the control cable from the bottom hole in the control handle and reinsert it in the upper hole. Insert the cable from the outside Test the snow blower to see if there is a noticeable difference. If after the adjustment to the control cable, the auger still hesitates when rotating, see Auger Drive Belt Replacement for instructions on replacing the belt.

Chute Assembly

Refer to the Assembly section for instructions on adjusting the chute assembly.

Service

Auger Drive Belt Replacement

  1. Run the snow blower until the fuel tank is empty.
  2. Pull the recoil starter handle until resistance is felt. Then tip the snow blower back until it rests on the handles.
  3. Slide a board up through the auger and through the chute to secure the auger in place.
  4. Remove the belt cover by removing the two hex washer screws and one hex lock screw that secure it to the frame.
  5. Remove the flange nut that secures the auger pulley to the auger shaft.
  6. Remove the auger pulley and the belt.

To replace the belt follow these instructions

  1. Route the belt around the drive pulley and under the idler pulley.
  2. Route the end of the belt around the auger pulley and slide the pulley back onto the auger shaft. It may be necessary to push down on the idler pulley to get the auger pulley under the belt keeper.
  3. Replace the flange nut and tighten it securely.
  4. Squeeze the auger control lever against the upper handle and reinstall the belt cover removed earlier.
  5. Remove the board from the auger and chute.

Replacing Auger Paddles

The snow blower auger’s rubber paddles are subject to wear and should be replaced if any signs of excessive wear are present.

CAUTION:

Do NOT allow the auger’s rubber paddles to wear to the point where portions of the metal auger itself can come in contact with the pavement. Doing so can result in serious damage to your snow blower.

To change the rubber paddles, proceed as follows and refer to

  1. Run the snow blower until the fuel tank is empty.
  2. Pull the recoil starter handle until resistance is felt. Then tip the snow blower back until it rests on the handles.
  3. Remove the existing rubber paddles by unthreading the hex washer screws which secure them to the auger.
    NOTE: The auger paddles should be replaced one at a time so that the auger paddle still attached can be used as an example for positioning and re-installing the new auger.
  4. Secure the replacement rubber paddles to the auger using the hardware removed earlier.

A full auger replacement kit including rubber paddles and hex washer screws may be obtained through an authorized Service Center or by calling 1-888-331-4569. Ask for part 753-06469.

Reversing or Replacing Shave Plate

The shave plate is attached to the bottom of the auger housing and is subject to wear. It should be checked periodically. There are two wearing edges and the shave plate can be reversed.

  1. Run the snow blower until the fuel tank is empty.
  2. Pull the recoil starter handle until resistance is felt. Then tip the snow blower back until it rests on the handles.
  3. Remove the four carriage bolts and flange lock nuts which attach it to the snow blower housing. Refer to on page 12.
  4. Reverse the existing shave plate or install a new one, making sure the new shave plate and the heads of the carriage bolts are on the inside of the housing.
  5. Adjust the shave plate as instructed on page 12.
  6. Tighten securely once adjusted.

A new shave plate may be obtained through an authorized Service Center or by calling 1-888-331-4569. Ask for part #731-07667.

Changing Engine Oil

WARNING:

Shut off the engine and remove the ignition key before performing any maintenance. To prevent accidental start-up, disconnect the spark plug boot. Check the oil level before each use and every 5 operating hours when the engine is warm. Refer to Checking and Adding Oil in the Assembly Section. Change the oil after the first 5 operating hours and every 50 operating hours thereafter. The engine should still be warm but NOT hot from recent use.

  1. Drain fuel from the tank by running the engine until the fuel tank is empty.
    Be sure the fuel fill cap is secure.
  2. Remove the three screws that secure the lower panel on model 247.887802*.
    Remove the lower panel by lifting up on the panel to free the tabs at the bottom of the panel from the tab slots and then pull back.
    NOTE: The bottom of the panel has tabs that help hold it in place.
    NOTE:
    An oil drain extension kit is available separately. Visit a Service Center or call 1-888-331-4569 and ask for kit #753-06684.
  3. Place a suitable oil collection container under the oil drain plug.
  4. Remove the oil drain plug.
  5. Tip the snow blower back to drain oil into the container. Used oil must be disposed of at a proper collection center.
  6. Reinstall the drain plug and tighten it securely.
  7. Refill with the recommended oil and check the oil level; refer to Checking and Adding Oil in the Assembly Section.
  8. Reinstall the oil filler cap/dipstick securely.
  9. Re-install the lower panel on model 247.887802* by placing the tabs in the tab slots, lifting the panel into place, and securing it with the three screws removed in step 2.

Off-Season Storage

Preparing the engine

Engines stored over 30 days need to be drained of fuel to prevent deterioration and gum from forming in the fuel system or on essential carburetor parts. If the gasoline in your engine deteriorates during storage, you may need to have the carburetor, and other fuel system components, serviced or replaced.

  1. Remove all fuel from the tank by running the engine until it stops.
  2. Change the engine oil.
  3. Remove the spark plug and pour approximately 1 oz. (30 ml) of clean engine oil into the cylinder. Pull the recoil starter several times to distribute the oil, and reinstall the spark plug.
  4. Clean the exterior of the engine by discarding dirt and debris from the following areas:
    CAUTION
    Do not spray the engine with water to clean it because the water could contaminate the fuel. Using a garden hose or pressure washing equipment can also force water into the muffler opening. Water that passes through the muffler can enter the cylinder and cause damage.
    • Cooling Fins
    • Air Intake Screen or Recoil Starter/Flywheel Guard Areas
    • Spark Plug Connection
    • Levers
    • Linkage Area
    • Guards
    • Carburetor
    • Engine Head
  5. Store in a clean, dry, and well-ventilated area away from any appliance that operates with a flame or pilot light, such as a furnace, water heater, or clothes dryer. Avoid any area with a spark-producing electric motor, or where power tools are operated.
    WARNING:
    Never store a snow blower with fuel in a tank indoors or in poorly ventilated areas, where fuel fumes may reach an open flame, spark, or pilot light as on a furnace, water heater, clothes dryer, or gas appliance.
  6. If possible, avoid storage areas with high humidity.
  7. Keep the engine level in storage. Tilting the engine can cause fuel or oil leakage.

Preparing Snow Blower

If the snow blower will not be used for 30 days or longer, follow the instructions below.

    1. Store the equipment in a clean, dry area.
    2. Wipe down the snow blower with a rag and remove any dirt or debris.
  1. If storing the snow blower in an unventilated area, rustproof the metal parts of the machine with a light oil or silicone coating.

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.

This section addresses minor service issues. To locate the nearest authorized Service Center or to schedule service, call 1-888-331-4569.

Problem Cause Remedy
Engine fails to start 1 . Fuel tank empty, or stale fuel . 2 . Blocked fuel line .

3 . Key not inserted all the way .

4 . Spark plug wire disconnected . 5 . Faulty spark plug .

6 . Engine not primed .

 

 

7 . Engine flooded from excessive priming .

1 . Fill tank with clean fresh gasoline . 2 . Contact a Sears Service Center .

3 . Insert key all the way .

4 . Connect wire to spark plug .

5 . Clean spark plug, readjust gap, or replace .

6 . Push the engine primer button five to seven times for model CMXGBAM1054538, CMXGBAM1054539 and three times for model CMXGBAM1054540, CMGSB21179 .

7 . Wait at least ten minutes before starting .

Engine running erratically/ inconsistent RPM (hunting or surging) 1 . Engine running on choke .

2 . Fuel line blocked, or stale fuel . 3 . Water or dirt in fuel system .

4 . Carburetor out of adjustment . 5 . Over-governed engine .

1 . Move choke control to RUN position . 2 . Contact an authorized Service Center .

3 . Run engine until the fuel tank is empty . Refill with fresh fuel .

4 . Contact an authorized Service Center . 5 . Contact an authorized Service Center .

Engine overheats 1 . Carburetor out of adjustment . 1 . Contact an authorized Service Center .
Loss of power 1 . Spark plug wire loose .

2 . Vent in gas cap plugged .

1 . Firmly connect spark plug wire .

2 . Clear vent .

Excessive vibration 1 . Loose parts or damaged auger . 1 . Stop engine immediately and remove key . Check for possible damage . Tighten all bolts and nuts . Repair as needed . If problem persists, take snow blower to an authorized Service Center .
Snow blower fails to self- propel 1 . Auger control cable out of adjustment .

 

2 . Auger drive belt loose or damaged .

1 . Adjust auger control cable as shown in Service and Maintenance section .

2 . Replace auger drive belt .

Auger continues to rotate 1 . Auger control cable out of adjustment . 1 . Adjust auger control cable as shown in Service and Maintenance section .
Unit fails to discharge snow 1 . Chute assembly clogged .

 

2 . Foreign object lodged in auger .

 

3 . Auger control cable out of adjustment . 4 . Auger belt loose or damaged .

1 . Stop engine and disconnect spark plug wire . Clean chute and inside of auger housing with clean-out tool or stick .

2 . Stop engine immediately and disconnect the spark plug wire . Remove object from auger .

3 . Adjust auger control cable . 4 . Replace auger belt .

FAQs About Craftsman Snow Blower

I have a Craftsman snow blower. The engine will not turn over. What is the problem?

Check the oil level in the crankcase. If it is low, add oil until it reaches the full mark on the dipstick. If it is full, check the oil filter and replace it if necessary. If neither of these is the problem, check the spark plug to see if it has a gap or is damaged. If so, replace it with a new one. If none of these are causing the problem, you may have a bad ignition coil or a bad carburetor. These can be replaced easily, but you will need to get an operator’s manual for your model from Sears Parts and Repair Center for instructions on how to do this.

I have a Craftsman snow blower that has been sitting for several months without being used. What should I do before using it?

Before using your snow blower for the first time after storing it for several months, you should perform certain maintenance procedures to ensure that your machine operates properly and safely. First, you should follow all safety instructions in your operator’s manual and make sure that any safety devices are working properly (e.g., chute control). Next, you should inspect your machine to make sure that all bolts are tightened and there are no loose parts or cracks in the housing or engine block. You should also check all belts and hoses for wear and tear and replace any that show signs of damage or wear. Finally, you should add fuel stabilizer/stabilizer additives to your fuel tank before storing your machine for an extended period of time (such as during the winter).

What engine is in Craftsman snowblowers?

The CRAFTSMAN® SB680 Two-Stage Snow Blower is powered by a 357cc smart engine that uses electronic fuel injection (EFI) and an electronic governor to do just that.

What is the average life of a snow blower?

Snow blowers can last several years, even decades, if they’re maintained regularly and correctly. Snow blower maintenance varies based on the type of snow blower you have, either a two-stage snow blower or a single-stage snow blower.

Do I have to change the oil in my snowblower every year?

Over time, the heat, dirt, and agitated air in your engine’s crankcase can make the oil dark and dirty. Older oil loses the ability to coat and protect vital engine parts. That’s why Toro recommends changing the engine oil at least once a year and after the first two hours on new snow blowers.

What are the arms on a snowblower for?

With most multistage snow blowers, a lever on one handlebar engages the wheels and a lever on the other engages the auger. Single-handed operation lets you hold down both levers with, yep, a single hand, freeing your other hand to adjust the chute.

Do you start a snowblower with the choke on or off?

Always use the choke to start a cold engine, turning to “Full Choke.” Check your Owner’s Manual for proper choke positioning. If the temperature is above 32 degrees, priming the carburetor may flood the engine easily so try only choking the engine.

What is the difference between choke and throttle?

Choke A control on a carburetor to adjust the air/fuel mixture when the engine is cold.
Throttle: A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine.

What do the stages mean on a snowblower?

In single-stage machines, the auger cuts into the snow and blows it through a discharge chute. In two-stage models, one auger sucks up the snow and breaks it down while the other acts as an impeller moving it through the discharge chute. Two-stage gas snow blowers are powerful machines.

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