| 摘要 |
An idler pulley is provided with a plurality of attachment locations, or holes, extending through a hub portion of the pulley to allow the pulley to be attached to a stationary object in a plurality of alternative configurations in order to provide a way for adjusting or selecting the tension of a belt used in conjunction with the idler pulley. Threaded fasteners pass through selected attachment locations of the hub portion of the idler pulley and are threaded into anchor locations on a stationary object, such as an internal combustion engine.
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