Instruction Manual - Cole
Contents
1. 4 WAKI WALCHEM Corporation IWAKI WALCHEM MAGNETIC DRIVE PUMPS OPERATING INSTRUCTIONS INSTALLATION l Secure the pump to floor or platform by bolting down the baseplate using all four bolt holes provided 2 Check power source for proper voltage and phase Plug the pump powercord into a switched grounded outlet or hardwire into a properly grounded circuit Use appropriate wiring materials and abide by al local and national standards for electrical codes 3 Connect the inlet and outlet fittings of the pump with the appropriate size tubing or pipe connections A For tubing connections use standard hose clamps to secure tubing DO NOT OVER TIGHTEN B For pipe thread connections use pipe tape to insure a good seal DO NOT OVER TIGHTEN C For convenient disconnection of pumps installed with rigid pipe install unions near both inlet and outlet connections 4 DO NOT OPERATE PUMP DRY A All centrifugal pumps when put in operation must be primed with liquid unless the pump is installed below the level of the liquid and is provided with true flooded suction B To prime pour liquid into the outlet tubing or piping and allow it to fill the pumping chamber The pump will normally prime with less effort when a foot valve is installed at the end of the suction line this will also eliminate the need to reprime each time the pump is turned off 5 With inlet and outlet valves open the pump can be started The pump flow rate can be regu2. lated by a valve on the discharge side If flexible tubing is used a simple tubing clamp can be employed to restric flow DO NOT RESTRICT SUCTION OPERATING TIPS A If the pump is to be left idle for extended periods flush the pump with water to prevent crystallization of the fluid inside the pump chamber If the fluid to be pumped contains suspended solids install a strainer in the suction plumbing periodically inspect the suction strainer and remove any built up debris Fluids of high specific gravity CAN NOT be pumped See pump specifications for more information The impeller ma decouple from the drive magnet for several reasons e g temperature viscosity or specific gravity are too high This is usually indicated by initial pumping then a complete cut off of flow Turn off power to the motor allow it to stop rotating then start it again If the problem recurs check for excess temperature viscosity or specific gravity TYPICAL WMD WMDX MD SERIES PUMPS TYPIC A TYPICAL WMD Item No Description Item No Description oe one 4 Impeller Retainer MD 100R 100F 55F only 5 BOYTON ROAD HOLLISTON MA 01746 1446 USA TEL 508 429 1440 FAX 508 429 1386 WEB www iwakiwalchem com
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