For more information, go to or see a Harbor Freight store associate. No other meaning of "Compare to" should be implied. Prices advertised by others may vary by location. To receive the coupon prices online, the coupon code(s) must be entered into your shopping cart.Īt Harbor Freight Tools, the "Compare to" price means that the specified comparison, which is an item with the same or similar function, was advertised for sale at or above the "Compare to" price by another additional retailer in the U.S. PRICES - Although we make every effort to assure that our prices, products and coupons are advertised as accurately as possible, we are only human, and in the event an error is made, we reserve the right to correct it. No use on prior purchases after 30 days from original purchase or without original receipt. Tighten each set screw with an Allen wrench to ensure that the pulleys are securely fastened.Original coupon only. If your unit is a multi-pulley system, you should find a small set-screw on both the drive pulley and the quill pulley. Most units of this type will have a chart within the head cover that shows the RPM rate for each corresponding set of pulleys. Conversely, using a smaller motor pulley and a larger drive pulley results in a slower RPM rate for the chuck. When you use a larger motor pulley with a smaller quill pulley, the drill chuck spins faster. In the case of the former, to adjust the speed at which you drill, you'll place the belt on different corresponding sets of pulleys. There are two predominant styles of drill presses: those with multiple pulleys fore and aft (for controlling the speed of the chuck), and those with a single pulley on the motor and quill shaft that employ a variable speed control. As with the belt, if a pulley is damaged, it is better to replace it than to continue to use a damaged part. Inspect the pulleys: Next, rotate the belt slightly on the pulleys and inspect each of the pulleys fore and aft for any damage or cracks. If the belt is worn or is displaying cracking or fraying, replace it with a new belt. Begin by visually inspecting the condition of the belt between the two pulleys.
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