MODEL 501 SERIES BRONZE RUBBER IMPELLER PUMP 501M PEDESTAL FEATURES PIPE SIZE 1 1/4 501E CLUTCH DRIVEN • Bronze Construction - Corrosion Resistance • Machined-in cam for reduced impeller wear • Teflon Barrier Seals Protecting Ball Bearings • Mechanical Carbon Ring, Ceramic Face Main Pump Seal • Two Sealed Ball Bearings Spaced for Maximum Load Ability • Large Vent & Drain Openings Separate Seal & Bearing Areas • Shaft Slinger for Additional Bearing Protection • Neoprene (05) or Buna (06) impellers • Stainless Steel Shaft • O-Ring Seal Between Body and Cover • Impeller easily replaced • Option: Flanged Engine mount SAE ‘B’ available ROTATION Direction of shaft rotation determines inlet and outlet ports (see line drawing) MOUNTING Pump will operate satisfactorily when mounted in any position. DO NOT RUN DRY. Rubber impellers generate high rubbing friction unless lubricated by liquid pumped. Lack of liquid will cause impeller to burn up. DRIVE Either direct drive with flexible coupling or pulley drive can be used. Make sure both flexible coupling halves are properly aligned. When using pulley, do not overtighten belt. LIQUIDS AND TEMPERATURE 501-07 SAE B FLANGE MOUNT Liquids compatible with neoprene (05) can be pumped including fresh and salt water solutions and mild chemicals. Do not pump severe solvents or acids. Buna (06) impellers can handle oil contaminated water. When possible, flush pump with fresh water after each usage. Extremes of cold and heat will affect impeller life. Limits of 40o o to 140 F should be observed. Do not allow liquid in pump to freeze. Drain pump by loosening cover screws. Use methyl alcohol based anti-freeze compounds such as Zerex®, Shell Zone®, Pyro Permanent®, Permagard®, Dowgard®. SUCTION LIFT Suction lift of 15 feet is possible when impeller is wet. Suction lines must be air tight in order for pump to self prime. A foot valve at beginning of suction line is recommended. www.oberdorfer-pumps.com PHONE (800) 448-1668; (315) 437-0361 FAX (315) 463-9561 PERFORMANCE NEOPRENE BUNA (NITRILE) WATER AT 60OF www.oberdorfer-pumps.com PHONE (800) 448-1668; (315) 437-0361 FAX (315) 463-9561 EXPLODED VIEW AND PARTS LIST Pum p No 501M-05 1 2 3* 4* Screw Cover O-ring Im peller 7 or 4 Req'd 1 Req'd 1 Req'd 1 Req'd 5504 6717 8232 7054 Configuration Pedestal / Neoprene Pump No. 1** 2 3 4* 5 Pump Clutch Coil Clutch Key Body 6 7 Screw Washer Assy 5 6 7 8 Set Lip Ball Body Screw Seal Bearing 1 or 4 1 Req'd 1 Req'd 2 Req'd Req'd 9932 8 Lock 6436 9 6710 10 Screw Spacer Washer 6332 9 Ret. Ring 10* Seal Assy 11 12 Shaft Key 2 Req'd 1 Req'd 1 Req'd 1 Req 6559 32953 9930 Clutch Kit # 1 Reqd 1 Reqd 1 Reqd 1 Reqd 1 Reqd 3 Reqd 1 Reqd 1 Reqd 1 Reqd 2 Reqd 501-05E12 501M-05 7227 7224 32238 6711 6437 6663 5016 7735 6715 10717 501-05E24 501M-05 7227 9902 33066 6711 6437 6663 5016 7735 6715 10853 501-05E32 501M-05 7227 7225 32239 6711 6437 6663 5016 7735 6715 10856 501-06E12 501M-06 7227 7224 32238 6711 6437 6663 5016 7735 6715 10717 501-06E32 501M-06 7227 7225 32239 6711 6437 6663 5016 7735 6715 10856 INSTALLING ELECTRIC CLUTCH PARTS 1. Remove bearing end plate as shown in photograph. 2. Slide spacer ring item 10 onto pump shaft against bearing. 3. Attach electric coil portion of clutch item 3 to pump body using three screws item 6 previously removed. 4. Insert shaft key item 5 into shaft keyslot. 5. Slide pulley portion of electric clutch item 2 onto pump shaft engaging the shaft key. 6. Slide spacer ring item 10 onto pump shaft. 7. Install washer item 7. 8. Install lockwasher item 8. 9. Install screw item 9. www.oberdorfer-pumps.com PHONE (800) 448-1668; (315) 437-0361 FAX (315) 463-9561 634 MODEL 501 SERIES BRONZE RUBBER IMPELLER PUMP DIMENSIONS 501M-05 & 501M-06 501M-05 & 501M-06 WITH ELECTRIC CLUTCH 501-07 4/06 www.oberdorfer-pumps.com PHONE (800) 448-1668; (315) 437-0361 FAX (315) 463-9561
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