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How do I replace a Friction Disc in a Gas Snowblower?

The amount of air/fuel mixture reaching the engine decreases over time when varnish builds up in the carburetor. If the orifices are blocked with debris and can't be cleared with a carburetor cleaner and compressed air, then replace it.

The auger can be damaged by hitting rocks or other foreign objects beneath the snow. The discharge chute won't open if the blades are broken or bent. The shear pins can be broken by hitting a large object. If you find bent or damaged auger blades, you should replace them.

The control cable that connects the control lever on the control panel to the engagement lever in the auger drive system is called the auger drive cable. A damaged, worn, or broken auger drive cable is the most common cause of the auger not engaging. If the cable is damaged or worn, it's time to replace it.

The drive shaft has shear pins attached to it. If the shear pin breaks, the auger won't turn and the motor and transmission won't be damaged.

The snowblower can be moved with the help of the friction disc. The snowblower might not be moving if the friction wheel is blocking it. If the disc is damaged, you should replace it.

The snowblower fuel filters screen particles from the gasoline as it moves from the fuel tank to the carburetor. Fuel won't flow if the snowblower fuel filter is broken. If the fuel filter is damaged, you should replace it.

The snowblower spark plug creates a spark that ignites the fuel and causes a controlled explosion in the cylinder to move the engine. If deposits build up on the spark plug, the spark plug won't work. If the snowblower spark plug is damaged, you should replace it.

There is a problem with the chute control assembly. The owner's manual shows how to assemble the chute control assembly. If the chute control assembly is damaged, you should replace it.

Follow these steps to fix your issue:

  1. Disconnect the spark plug wire

    Pull the spark plug wire out of the plug.

  2. Remove the frame cover

    The snow blower rests on the housing if it is tipped forward. The frame panel is situated between the wheels. To get to the drive system components, detach the panel.

  3. Remove both wheels.

    The bolts that hold the wheel to the axle should be removed. Pull the two wheels off.

  4. Remove the hex shaft mounting nut

    Hold the shaft with a wrench. The mounting nut can be removed using a tool.

  5. Remove the friction disc

    To remove the bearing from the right side of the frame, lightly tap the left end of the shaft. The bearing needs to be removed. Pull the shaft to the left. Remove the disc from the shaft.

  6. Clean the shaft

    Clean the shaft thoroughly and remove any rust. The anti-seize compound can be applied to the shaft.

  7. Install the new friction disc

    The new disc should be put on the shaft. Put the disc in the correct position and push the shaft back into the bearing. Place the nut back on and tighten it.

  8. Reinstall the wheels.

    The wheels should be pushed onto the axle. Attach the washer and mounting nut to the wheel. The mounting nuts need to be tightened.

  9. Reinstall the frame panel

    Line up the mounting holes when positioning the frame panel. Attach the mounting screws with care. If you pivot the snow blower upright, it will rest on its tires.

  10. Test the snow blower

    The spark plug wire needs to be re connected. The snow blower can be used to test the gas in the tank.

  11. Remove the spark plug

    The spark plug wire must be disconnected. To remove the spark plug from the cylinder, use a deep sockets.

  12. Gap the new spark plug

    The owner's manual has the correct gap setting. The spark plug should have a gap gauge on it. You should feel no resistance when you pull the gap gauge out. If the gap is too wide, use a small hammer or lightly tap the electrode on a clean, hard surface. If the gap is too small, use the bender on the gauge to widen it.

  13. Install the plug

    Attach the spark plug to the cylinder. If you want to tighten the spark plug another 14 to 12 turn, hand-tighten it until it is snug. The steel base of the spark plug can strip the softer aluminum threads on the cylinder head. The spark plug wire needs to be connected.

  14. Drain the fuel tank and disconnect the spark plug wire

    Run the snowblower until the tank is empty or drain the fuel from the tank. The snowblower needs to be positioned in aventilated area. Attach the spark plug wire to the plug.

  15. Remove the electric starter switch

    Pull the starter switch off the mount. The starter switch can be hung by the electrical cord.

  16. Remove the engine shroud

    The key needs to be removed. Attach the acorn nuts to the engine by removing the choke and throttle knobs. The shroud mounting screws need to be removed. The primer hose and breather hose should be connected after the engine shroud is removed.

  17. Remove the fuel filter

    Pull the fuel line from the fuel filter. The fuel filter must be removed from the tank.

  18. Install the new fuel filter

    Put the new fuel filter in the tank. The fuel line needs to be re connected and secured.

  19. Reinstall the engine shroud

    The engine shroud needs to be reinstalled before the muffler shroud can be pulled off. Pull off the bolts that hold the belt cover. Release the control rod from the control rod receiver by removing the bolts from the red chute support brackets. Remove the bolts that hold the shroud to the muffler. Pull off the shroud from the wire control cables. Work the engine shroud onto the engine by aligning the choke knob shaft and the 2 carburetor mounting posts. The rocker cover breather hose fitting should be used if the breather hose doesn't pass through the opening. The rocker cover fitting needs to be secured with the breather hose. Attach the engine shroud to the engine with 2 acorn nuts. Put the wire control cables into the retainer clip. The shroud mounting bolts need to be reinstalled. Line up the support brackets with the mounting holes if you push the control rod back into the receiver. The red chute support brackets have bolts in them. Attach the belt cover to the mounting bolts. The choke and throttle knobs need to be reinstalled. The engine shroud needs to be removed because it fits under the bottom lip of the muffler shroud. The engine shroud can be removed without removing the muffler shroud.

  20. Reinstall the electric starter switch

    Remove the mounting screws from the electric starter switch.

  21. Reconnect the spark plug

    The spark plug wire needs to be reconnected.

  22. Reinstall the key

    The slot has a key in it.

  23. Disconnect the spark plug wire.

    Attach the wire to the plug.

  24. Remove the broken shear pin

    Remove the shear pin with a hammer and nail.

  25. Insert the new shear pin

    The holes in the shaft should be realigned. Attach the shear pin to the bow tie pin.

  26. Test the auger

    The spark plug wire needs to be re connected. If you want to test the operation of the auger, start the engine and do it.

  27. Disconnect the spark plug wire

    Pull the spark plug wire out of the plug.

  28. Remove the belt cover

    Attach the belt cover to the frame of the snowblower with a bolt using a sockets and tools. The belt cover should be detached.

  29. Remove the belt

    The pulley has a belt on it.

  30. Remove the frame panel

    Put the snowblower on the housing. The frame panel is situated between the wheels. To get to the drive system components, detach the panel.

  31. Remove the belt keeper

    Remove the belt keeper by removing the nut that holds it.

  32. Remove the belt

    Before removing the belt, note its route. If you want to close the drive engagement lever, you can press it with a spring clamp. The pulley has a belt on it. Pull out the pulley bolt if the belt is moved 90 degrees.

  33. Install the new belt

    The pulley has a belt on it. Check that the belt is fully inserted in the pulley grooves and not on the outside of the break tab or belt keeper. The belt keeper needs to be reinstalled.

  34. Reinstall the frame panel.

    The frame panel should be reinstalled. If you pivot the snowblower upright, it will rest on its tires.

  35. Install the belt on the engine pulley

    Roll the belt on the pulley. Put the belt cover back on.

  36. Test the snowblower

    The spark plug wire needs to be reconnected. If you want to test the snowblower, fill the tank with gas.

  37. Disconnect the spark plug wire

    Pull the spark plug wire out of the plug.

  38. Remove the belt cover

    Lift off the belt cover from the snow blower by removing the bolt that fastened it to the frame.

  39. Detach the cable from the control lever

    The cable guide pulley bracket on the left side of the snow blower frame has a top bolt. The tension on the cable can be alleviated by removing the bottom bolt from the frame. The Z-fitting has to be removed from the control lever.

  40. Detach the cable from the cable guide pulley

    The cable guide pulley has a bolt. To release the cable, remove the pulley.

  41. Release the cable from the 90-degree bracket

    The 90-degree brackets are secured with a bolt. To release the cable, you need to remove the bolt from the pulley.

  42. Disconnect the cable

    The pulley has a cable on it. The cable should be pulled free.

  43. Install the new cable

    The new cable needs to be connected to the lever. Remove the bolt from the pulley and feed the new cable through it. Remove the bolt from the pulley and route the new cable there. Attach the cable to the pulley.

  44. Reinstall the 90-degree bracket

    Remove the bolt that secures the frame and position the 90-degree pulley brackets.

  45. Complete the installation

    Attach the top bolt to the rear cable guide bracket. The cable needs to be positioned so it doesn't have too much slack.

  46. Test the cable

    The spark plug wire should be reconnected after the belt cover is reinstalled. Check and adjust the cable tension according to the instructions in your owner's manual.

Time required:

45 minutes.

You would need the following tools:

1/2-inch wrench, hammer, needle nose pliers, phillips screwdriver, ratchet, safety glasses, slot screwdriver, socket set, work gloves, wrench set.

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