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Barrette's Small Engines Inc. - SmallEngines.ca FAQ's
The pulley seems to be stuck to the pulley shaft, how do I get it off?
NOTE: These instructions are prepared for use by trained technicians who are experienced in the service and repair of equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individuals. Such individuals should seek the assistance of an authorized service center.
Drive pulleys are generally a snug fit to the pulley shaft by design. Idler pulleys may have bearing sets or bushings that need to be similarly snug to the shaft.Corrosion and dirt contamination may contribute to this condition making these pulleys difficult to separate for service. Service personnel may want to try and use penetrating oil* in combination with gentle vibration to loosen these parts.
In severe cases, the use of a pulley puller tool may be necessary to separate these assemblies. Pulley puller tools are available at most hardware, tool, and automotive supply stores.
*SERVICE TIP! - Be careful not to get oil on the inside of the pulley or on the drive belts as this may result in belt slippage when the belt and pulley are returned to use.