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Safety Warning Disconnect all power sources to ensure the pump will remain inoperative Allow the pump to cool before starting maintenance Close the suction and discharge valves if fitted Vent the pump slowly and cautiously Drain the pump When working near the pump, dress appropriately, avoid baggy or loose items which could get caught in moving parts.
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DPS TS Series Trash & Sewage pumps are designed for economical and trouble-free operation in handling solids-laden liquids. Pumps feature a large volute design which allows them to re- prime automatically in a completely open system without the need of suction or discharge check valves.
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Disassembly and Assembly Front Cover Wear Plate Removal The wear plate is easily accessible and may be serviced by removing the front cover assembly Before attempting to service the pump remove the pump casing drain plug and drain the pump. Clean and reinstall the drain plug.
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Shaft and Bearing Removal Remove the bearing housing drain plug and drain the oil lubricant. Dispose of all oil in accordance with your local regulations. Clean and reinstall the drain plug. Undo the housing bolts and slide off bearing gland and oil seal off the shaft. Remove the oil seal from the bearing cap.
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Impeller Installation The shaft impeller threads must be totally clean before installing the impeller. The slightest amount of dirt on the threads can cause the impeller to seize to the shaft, making future repairs difficult. Install the same thickness impeller shims as previously removed. Apply Bostik Never –Seize or equivalent to the shaft threads and screw the impeller onto the shaft until tight.
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PARTS LIST PEDESTAL IMPELLER PUMP SHAFT SEALING WASHER OIL SEAL MECHANICAL SEAL BEARING BEARING SITE GLASS BREATHER ADJUSTING WASHER BREATHER O-RING BOLT BOLT LOCK WASHER WASHER BEARING GLAND SEAL SEAT PUMP BODY PEDESTAL ASSY TIGHTEN HANDLE NAME PLATE BOLT PUMP CASING DISCHRGE WASHER WASHER BOLT...
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TROUBLE SHOOTING Troubles Causes Not enough water in casing Check valve damaged Air leak in suction line Pump fails to prime leaking or worn seal Suction lift to high Strainer clogged Air leak in suction line Leaking or worn seal Strainer clogged Pump fails to deliver rated Suction line not submerged or water level to low...
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