A Homelite chainsaw's clutch spins at high speeds, in excess of 10,000 rpms, which causes a lot of heat and friction. Over time, the heat and friction grinds down the clutch shoes, wear out the spring and damage the sprocket. When the clutch does not operate properly, the chain spins poorly or not at all. Inspecting the sprocket and lubricating the clutch helps reduce the wear on the rest of the clutch.
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Things you need
- Combination scrench tool
- Deep-set socket wrench
- 3/4-inch nut attachment
- Piston stop tool
- Clutch removal tool
- 7/8-inch wrench
- Replacement clutch parts
- Multipurpose engine grease
Unlock the bar bolts using the combination scrench tool. Lift the clutch cover away. Disconnect the bar and chain. Disconnect the HT lead wire's rubber boot from the spark plug.
Fit the socket wrench, unscrew and remove the plug. Drop the piston stop tool directly into where the plug was. Rotate the clutch by hand until it hits the stop tool.
Drive the screwdriver end of the scrench tool under the retaining ring that is fitted to the crankshaft stub and keeps the clutch assembly in place. Remove the cupped washer, sprocket and drum assembly. Pry the bearing from the inside of the sprocket. Check the bearing and the sprocket for groove marks along the sprocket teeth.
Attach the clutch removal tool to the clutch hub. Connect the 7/8-inch wrench to the clutch tool and turn it clockwise to loosen the hub. Remove the clutch assembly and thrust washer. Inspect the clutch shoes and springs for wear. Replace parts that are worn or damaged.
Set the thrust washer and new clutch assembly on the crankshaft. Lubricate the crankshaft with the multipurpose engine grease. Slide the sprocket and bearing onto the stub. Place the drum assembly and cupped washer on top. Fit the new retaining ring to the top to anchor all clutch parts.
Take the stop tool from the plug hole. Attach the spark plug and wire. Refit the bar, chain and clutch cover.
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