Husqvarna 12524SB Operator's Manual
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Husqvarna 12524SB Operator's Manual

Husqvarna snow blower user manual
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12524SB
12524SB
Operator's Manual / 96193004600 / 2009-06

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Frequently Asked Questions (15)

  • How do I start my Husqvarna 12524SB snow blower?

    To start your snow blower using the electric starter:

    1. Ensure the fuel shut-off valve is in the “OPEN” position.
    2. Insert the safety ignition key into the ignition slot until it clicks; do not turn the key.
    3. Place the ON / OFF switch in “ON” position.
    4. Move the choke control to “FULL” position.
    5. Connect the power cord to the engine and plug the other end into a three-hole grounded 120 Volt A.C. receptacle.
    6. Push the starter button until the engine starts. Do not crank for more than five continuous seconds; wait 5 to 10 seconds between attempts.
    7. Once the engine starts, release the starter button and slowly move the choke control to the “OFF” position.
    8. Disconnect the power cord from the receptacle first, then from the engine.

    For a cold start using the recoil starter:

    1. Insert the safety ignition key into the ignition slot until it clicks; do not turn the key.
    2. Place the ON / OFF switch in “ON” position.
    3. Rotate the choke control to "FULL" position.
    4. Push the primer four times if the temperature is below 15°F, or two times if between 15° and 50°F. Priming is not needed above 50°F.
    5. Pull the recoil starter handle quickly; do not allow the rope to snap back.
    6. When the engine starts, release the recoil starter handle and slowly move the choke control to the "OFF" position.
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  • What should I do if my Husqvarna 12524SB snow blower won't start at all?

    If your snow blower won't start, check the following:

    • Fuel shut-off valve: Ensure it is in the OPEN position.
    • Safety ignition key: Make sure it is inserted.
    • Fuel level: Check if the fuel tank is out of fuel; if so, refill with fresh, clean gasoline.
    • ON/OFF switch: Ensure it is in the ON position.
    • Choke position: Move the choke to the FULL position.
    • Primer: Depress the primer as instructed in the Operation section of the manual.
    • Engine flooded: If the engine is flooded, wait a few minutes before restarting and do not prime.
    • Spark plug wire: Ensure the wire is connected to the spark plug.
    • Spark plug: If the spark plug is bad, replace it.
    • Fuel quality: If you have stale fuel or water in the fuel, empty the fuel tank and carburetor and refill with fresh, clean gasoline.

    For more information, see page 19 of the manual.
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  • How do I replace a broken shear pin on my Husqvarna 12524SB snow blower?

    If an auger shear bolt breaks:

    1. Disengage all controls and move the throttle control to the STOP position. Wait for all moving parts to stop.
    2. Remove the safety ignition key and disconnect the spark plug wire, placing it where it cannot contact the plug.
    3. Align the hole in the auger hub with the hole in the auger shaft and install a new 1/4-20 x 2" shear bolt. Install a 1/4-20 lock nut and tighten securely.
    4. Insert the safety ignition key and reconnect the spark plug wire to the spark plug.

    If an impeller shear bolt breaks:

    1. Disengage all controls and move the throttle control to the STOP position. Wait for all moving parts to stop.
    2. Remove the safety ignition key and disconnect the spark plug wire, placing it where it cannot contact the plug.
    3. Align the holes in the impeller hub with the holes in the impeller shaft and install two (2) new 1/4-20 x 1-5/8" capscrew/shear bolts. Install 1/4-20 locknuts and tighten securely.
    4. Insert the safety ignition key and reconnect the spark plug wire to the spark plug.

    Only use original equipment shear bolts as supplied with your snow thrower.


    For more information, see page 15 of the manual.
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  • How do I operate my Husqvarna 12524SB snow blower?

    To operate your snow blower, you should first familiarize yourself with the controls and adjustments by reading the owner's manual. Key operational aspects include:

    • Stopping: Release the traction drive control lever to stop movement and release the auger control lever to stop throwing snow. To stop the engine, move the ON/OFF switch to "OFF" and remove the safety ignition key.
    • Fuel Shut-Off Valve: Always operate with the fuel shut-off valve in the OPEN position.
    • Choke Control: Use the choke control when starting a cold engine by rotating the lever to "FULL" position.
    • Throwing Snow: Squeeze the auger control lever to the handle to engage the auger and throw snow. Release it to stop.
    • Moving Forward/Backward: Squeeze the traction drive control lever to the handle to engage the drive system. Release it to stop. Speed and direction are controlled by the drive speed control lever; press down and move it to the desired position before engaging the traction drive control lever.
    • Snow Discharge: The direction is controlled by the discharge chute control lever. Press down and move it left or right to the desired position. The distance is controlled by the chute deflector; loosen the knob, move the deflector, and tighten the knob securely.
    • Skid Plates: Adjust the skid plates to set the clearance between the scraper bar and the ground surface. For normal conditions on paved surfaces, place them in the highest position (1/8" clearance). Use a middle position for uneven surfaces.
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  • Why is my Husqvarna 12524SB snow blower hard to start?

    If your snow blower is hard to start, it could be due to a frozen recoil starter. To address this:

    1. Grasp the recoil starter handle and slowly pull as much rope out of the starter as possible.
    2. Release the recoil starter handle and let it snap back against the starter. If the engine still fails to start, repeat these steps or use the electric starter.

    For more information, see page 12 of the manual.
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  • How do I clear a clogged discharge chute on my Husqvarna 12524SB snow blower?

    To clear a clogged discharge chute:

    1. SHUT THE ENGINE OFF.
    2. Wait 10 seconds to ensure the impeller blades have stopped rotating.
    3. Always use a clean-out tool; never use your hands.

    If using the clean-out tool for a clogged chute:

    1. Ensure all controls are disengaged and the auger/impeller and all moving parts have stopped. Disconnect the spark plug wire and keep it away from the plug to prevent accidental starting.
    2. Release the auger control lever and shut off the engine.
    3. Remove the clean-out tool from its mounting clip. Grasp the tool firmly and push and twist it into the discharge chute to dislodge the blockage.
    4. After dislodging the packed snow, return the clean-out tool to its mounting clip.
    5. Make sure the discharge chute is pointed in a safe direction before restarting the engine.
    6. Restart the engine, then squeeze the auger control lever to the handle to clear snow from the auger housing and the discharge chute.

    For more information, see pages 3 and 10 of the manual.
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  • Why is my Husqvarna 12524SB snow blower not driving forward?

    If your snow blower is not driving forward, it could be due to:

    • A worn drive belt. You should check and replace it.
    • The drive belt being off of the pulley. You should check and reinstall the drive belt.
    • A worn friction drive wheel. If this is the case, contact an authorized service center/department.

    For more information, see page 19 of the manual.
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  • What maintenance should I perform on my Husqvarna 12524SB snow blower before winter?

    Before winter, you should prepare your snow blower for storage if it won't be used for 30 days or more:

    • Cleaning: Thoroughly clean the snow thrower, removing all dirt, grease, and leaves. Store it in a clean, dry area.
    • Belts: Inspect and replace belts if necessary.
    • Lubrication: Lubricate as shown in the Maintenance section of the manual.
    • Fasteners: Ensure all nuts, bolts, screws, and pins are securely fastened. Inspect moving parts for damage, breakage, and wear.
    • Paint: Touch up any rusted or chipped paint surfaces.
    • Fuel System: Empty the fuel tank by starting the engine and letting it run until the fuel lines and carburetor are empty. Do not use engine or carburetor cleaner products. Alternatively, use a fuel stabilizer and run the engine for at least 10 minutes after adding it.
    • Engine Oil: Drain the old oil (with a warm engine) and replace it with clean engine oil.
    • Cylinder: Remove the spark plug, pour one ounce (29 ml) of oil through the spark plug hole into the cylinder, pull the recoil starter handle slowly a few times to distribute the oil, and replace the spark plug with a new one.
    • Other: Remove the safety ignition key and store it in a safe place. Store the snow thrower indoors and cover it with a suitable protective cover that does not retain moisture.

    For more information, see page 18 of the manual.
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  • What should I do if the auger on my Husqvarna 12524SB snow blower is not spinning?

    If the auger on your snow blower is not spinning, it could be due to:

    • The auger belt being off of the pulley. You should check and reinstall the auger belt.
    • A worn auger belt. You should check and replace the auger belt.
    • Augers or impeller being jammed. You should remove any debris or foreign objects from the augers or impeller.

    For more information, see page 19 of the manual.
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  • How often should I change the oil in my Husqvarna 12524SB snow blower?

    You should change the oil after every 25 hours of operation or at least once a year if the snow thrower is not used for 25 hours in one year. Additionally, check the crankcase oil level before starting the engine and after every five hours of continuous use.

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  • What type of fuel does the Husqvarna 12524SB snow blower require?

    The snow blower requires unleaded regular gasoline with a minimum of 87 octane. Do not mix oil with gasoline.


    For more information, see pages 3 and 11 of the manual.
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  • How do I turn off my Husqvarna 12524SB snow blower?

    To turn off your snow blower:

    1. Move the ON / OFF switch to “OFF” position.
    2. Remove the safety ignition key to prevent unauthorized use; do not turn the key.

    For more information, see page 9 of the manual.
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  • How do I replace the spark plug on my Husqvarna 12524SB snow blower?

    You should replace the spark plug at the beginning of each season or after every 100 hours of operation, whichever comes first. The spark plug type and gap setting can be found in the "PRODUCT SPECIFICATIONS" section of the manual.

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  • How do I adjust the skid shoes on my Husqvarna 12524SB snow blower?

    To adjust the skid plates (also known as skid shoes):

    1. Shut off the engine and wait for all moving parts to stop.
    2. Loosen the hex nuts on the skid plates.
    3. Move the skid plate to the desired position. For removal of snow in normal conditions on paved surfaces, place the skid plates in the highest position to provide a 1/8" clearance between the scraper bar and the ground. Use a middle position if the surface to be cleared is uneven.
    4. Be sure both plates are adjusted evenly.
    5. Tighten the hex nuts securely.

    For more information, see pages 10 and 11 of the manual.
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  • How do I install the handles on a Husqvarna 12524SB snow blower?

    To install the handles, you need to unfold the upper handle:

    1. Raise the upper handle to the operating position.
    2. Tighten the handle knobs securely. Use additional carriage bolts, washers, and handle knobs from the parts bag to secure the upper handle to the lower handle, installing them in the lower holes in the handles.
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Summary of Contents for Husqvarna 12524SB

  • Page 1 12524SB 12524SB Operator's Manual / 96193004600 / 2009-06...
  • Page 2 Safe Operation Practices for Walk-Behind Snow Throwers This snow thrower is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury. Look for this symbol to point out im- por tant safety precautions.

  • Page 3: Table Of Contents

    6. When cleaning, repairing or inspecting the snow thrower, stop the engine and make certain the collector/impel- ler and all moving parts have stopped. Disconnect the spark plug wire and keep the wire away from the plug to prevent someone from accidentally starting the engine.

  • Page 4: Assembly / Pre-Operation

    PARTS PACKED SEPARATELY IN CARTON (1) DISCHARGE CHUTE ROTATOR HEAD MOUNTING (1) WASHER 3/8 (19131316) (6) SHEAR BOLTS 1/4-20 x 1-3/4 ASSEMBLY / PRE-OPERATION Read these instructions and this manual in its entirety before you attempt to assemble or operate your new snow thrower.
  • Page 5 ASSEMBLY / PRE-OPERATION HOW TO SET UP YOUR SNOW THROWER TOOL BOX (See Fig. 10) A toolbox is provided on your snow thrower. The toolbox is located on top of the belt cover. Store the extra shear bolts, nuts and multi-wrench provided in parts bag in the toolbox. NOTE: The multi-wrench may be used for assembly of the chute rotator head to snow thrower and making ad just ments to the skid plates.
  • Page 6 ASSEMBLY / PRE-OPERATION INSTALL AUGER CONTROL ROD (See Figs. 5 and 6) The auger control rod has the short loop on the end of the spring as shown. 1. Slide rubber sleeve up rod and hook end of spring into control arm with loop opening up as shown.

  • Page 7: Know Your Snow Thrower

    OPERATION KNOW YOUR SNOW THROWER READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER. Compare the illustrations with your snow thrower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. These symbols may appear on your snow thrower or in literature supplied with the product.
  • Page 8 MUF FLER GAS O LINE FILLER CAP CHOKE CON- TROL SAFETY IGNITION ON / OFF SWITCH PRIM ER FUEL SHUT-OFF VALVE RECOIL (AUXILIARY) STARTER HANDLE NOTE: ITEMS ABOVE ARE SHOWN IN THEIR TYPICAL LOCATION ON THE ENGINE. ACTUAL LOCATION MAY VARY WITH THE ENGINE ON YOUR UNIT.

  • Page 9: How To Use Your Snow Thrower

    The operation of any snow thrower can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your snow thrower or performing any ad just - ments or repairs.
  • Page 10 TO THROW SNOW (See Fig. 13) The auger rotation is controlled by the auger control lever located on the right side handle. • Squeeze auger control lever to handle to engage the auger and throw snow. • Release the auger control lever to stop throwing snow. AUGER CONTROL LEVER...

  • Page 11: Before Starting The Engine

    • If snow thrower must be operated over gravel surface, use extra caution and be sure skid plates are adjusted to lowest (highest scraper clear ance) position. 1. Shut off engine and wait for all moving parts to stop. 2. Adjust skid plates by loosening the hex nuts, then mov- ing skid plate to desired position.

  • Page 12: Snow Throwing Tips

    Allow the engine to warm up for a few minutes. Engine will not develop full power until it has reached normal operat- ing temperature. WARM START - ELECTRIC STARTER Follow the steps above, keeping the choke control in the “OFF” position. COLD START - RECOIL STARTER 1.

  • Page 13: Lubrication Chart

    GENERAL REC OM MEN DA TIONS The warranty on this snow thrower does not cover items that have been sub ject ed to operator abuse or negligence. To receive full value from the warranty, operator must maintain snow thrower as in struct ed in this manual. Some ad just ments will need to be made periodically to properly maintain your snow thrower.
  • Page 14 V-BELTS Check V-belts for deterioration and wear after every 50 hours of operation and replace if necessary. The belts are not ad just able. Replace belts if they begin to slip from wear. (See “TO REMOVE BELT COVER” in the Service and Adjustments section of this manual).

  • Page 15: Service And Adjustments

    SERVICE AND ADJUSTMENTS WARNING: To avoid serious injury, before performing any service or ad just ments: 1. Be sure the on/off switch is in the OFF position. 2. Remove safety ignition key. 3. Make sure the augers and all mov ing parts have completely stopped.

  • Page 16: To Replace Belts

    SERVICE AND ADJUSTMENTS TO REPLACE BELTS (See Fig. 20) The auger and traction drive belts are not adjustable. If the belts are damaged or begin to slip from wear, they should be replaced. It is recommended that the belt(s) be replaced by a Sears service center/department.

  • Page 17: Engine Speed

    SERVICE AND ADJUSTMENTS TO REMOVE WHEELS (See Fig. 21) • Remove the klik pin and remove wheel from axle. IMPORTANT: When installing wheel, be sure to use the in- nermost hole in axle and the wheel hub hole. To dis en gage drive system from the wheels (for pushing or trans port ing the snow thrower), remove klik pin from wheel hub and insert pin into the outermost hole in axle only.

  • Page 18: Storage

    Immediately prepare your snow thrower for storage at the end of the season or if the unit will not be used for 30 days or more. WARNING: Never store the snow thrower with gaso line in the tank in side a build ing where fumes may reach an open flame, spark or pilot light as on a fur nace, water heater, clothes dryer or...

  • Page 19: Troubleshooting

    TROUBLESHOOTING See appropriate section in manual unless directed to an authorized service center/department. PROBLEM CAUSE Does not start 1. Fuel shut-off valve (if so equipped) in OFF position. 2. Safety ignition key is not inserted. 3. Out of fuel. 4. ON/OFF switch is OFF. 5.
  • Page 20 532 42 85-35 06.17.09 CL Printed in the U.S.A.

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