This is an OEM sourced replacement part used on gas trimmers. A centrifugal clutch is a part that uses centrifugal force to connect two concentric shafts, with the driving shaft nested inside the driven shaft. Today's centrifugal clutches will function even when they shouldn't, far beyond the point of when they need to be replaced. Keeping an eye on equipment performance will determine when the centrifugal clutch requires attention. Please note the clutch drum, spacer and washer are all sold separately. This clutch is made out of metal and it is sold individually. To replace this item you would need a screwdriver and pliers.
Remove the complete starter assembly. Then remove the spark plug and insert a small lent of rope into the cylinder. Then turn the drive shaft until the piston hits the rope and stops. Remove the clutch drum by unscrewing the screw in the middle of the drum. To remove the clutch, put a screwdriver on a edge of the clutch and strike the scr
... Read moreewdriver, the clutch will loosen. Remove the old clutch, then thread the new on on hand tight. Then reassemble the rest of the parts in reverse order.
1. Found the Clutch discs were obsolete. (Homelite bc900 and many other trimmers I found in my research.)
2. I discovered while researching that the clutch parts breakdown used the same clutch washer and the same drum, but it used a different clutch which wasn\'t obsolete. Purchased new clutch, drum, and the two different sized w
... Read moreashers. Parts were for Ryobi BC30.
3. Removed the clutch drum by loosening captive torx screw in end of drum, sliding off the drum.
4. Removed the clutch each of the two clutch discs by tapping a screwdriver with a hammer to spin then off.
5. Removed old clutch washers.
6. Replaced washers and clutch in order for other model trimmer.
7. Tighten clutch with adjustable plier.
8. Installed new drum.
Used parts diagram from this site.
Main trick was a clutch removal from the shaft.
I didn\'t realize that a clutch is threaded to the shaft and broke it during removal.
New clutch from this site actually shows an arrow that indicates a direction of rotation for a clutch to be removed. Original clutch didn\'t have that.
Remove spark plug and feed small rope into spark plug hole to stop piston from turning over.
Remove T25 screw holding clutch drum to crankshaft
Turn clutch counter clockwise to unscrew from shaft
Replace part in reverse sequence with new parts
Remove the starter housing
Remove the spark plug and insert a small length of rope into the cylinder
Turn the shaft until the piston contacts the rope
With a screwdriver and hammer, hit the edge of the old clutch to remove it
Install the new clutch
Reverse order to put back together
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Model Cross Reference
This part works with the following models:
ERP Number: ERP12643808
Manufacturer Part Number: 300960002
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
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