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Pumps for pumping molten metal

  • US 5,716,195 A
  • Filed: 02/08/1995
  • Issued: 02/10/1998
  • Est. Priority Date: 02/08/1995
  • Status: Expired due to Fees
First Claim
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1. In a method of operating and maintaining a pump for pumping molten metal of the type including a base having an impeller chamber, a motor mount, and a shaft sleeve and a support member attached to said base, the improvement comprising the steps of clamping the shaft sleeve and the support member together, securing the shaft sleeve and the support member to the motor mount, operating the pump until at least one of the shaft sleeve, support member and base requires replacement, removing the base, shaft sleeve and support member as a unit from the pump, and installing a replaceable subassembly including a base and attached shaft sleeve and a support member on the pump.

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