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26 <br />REPLACING THE PUMP TUBING <br />The pumps and tubing used in the dispenser are designed to give maximum performance and long life. However, <br />the tubes are a wear item and must be replaced periodically. How long the tubes last is dependent on usage and <br />properties of the concentrate. Excessive wear will reduce the output of the pumps resulting in a weak mixed <br />beverage. Bunn-O-Matic recommends replacing the Pump Tubing a minimum of once every 6 months or <br />sooner if warranted. <br />Refer to the Tube Replacement Instruction on the Cabinet door for details. <br />1. Rinse the pump tubing with warm tap water (Refer to steps 1 - 5 of the Weekly Sanitizing instructions) prior <br />to removing the tubes to avoid concentrate spills. <br />2. Loosen the thumbscrew securing the tubing retainer plate to the pump housing. Set it and the retainer plate <br />aside. <br />3. Depress the tension screw and remove it from the notch in the pump housing, releasing the spring tension <br />on the pump band. <br />4. Open the compression band and gently pull the pump tube from around the pump’s rotor. <br />5. Inspect the pump bands for signs of wear. Replace if necessary. <br />6. Apply lubricant (BUNN-O-MATIC part number M2531.0001) to the new pump tubing’s rotor side. <br />7. Insert the tube onto the mix chamber port, then wrap the new tubing around the pump rotor, making sure <br />that the elbow and clamps end up on the bottom side of the pump housing. <br />8. Depress the tension screw and insert it in the notch in the pump body, reapplying spring tension on the pump <br />band. <br />9. Replace the tubing retainer plate and tighten the thumbscrew. <br />10. Repeat steps 1 through 9 for the other pump. <br />Note: Replacement Tube/Adapter Kits can be purchased from BUNN-O-MATIC. <br />Remove Retaining Plate Release Spring Tension Remove Tubing Lubricate New Tube <br />Install New Tubing Completed Installation <br />Thumbscrew <br />Lubricate between arrows <br />2.0”2.0”Tension <br />Screw <br />Tube Clamp <br />Tension Screw <br />36026.1 010313 <br />PREVENTIVE MAINTENANCE <br />Bunn-O-Matic® Corporation recommends that preventive maintenance be performed at regular intervals. Maintenance <br />should be performed by a qualified service technician. For Technical Service, contact Bunn-O-Matic® Corporation at <br />1-800-286-6070. <br />NOTE: Replacement parts or service caused by failure to perform required maintenance is not covered by warranty. <br /> Replace pump hoses every 6-Months or as needed. <br />RELEASED FOR PRODUCTION <br />DIR Num: 36026.0001 19, May 2015