Rehabilitation of a Pump/Turbineby Richard F. Dague, Allis-Chalmers Hydro Inc, York, PA, USA,
Edware H. Schultz, Jr., Allis-Chalmers Hydro Inc, York, PA, USA,
Document Type: Proceeding Paper
Part of: Waterpower '85
Abstract: Between 1964 and 1968, eight 212 in pump discharge diameter Baldwin-Lima-Hamilton vertical pump/turbines with Westinghouse motor/generators were installed in Philadelphia Electric Company's Muddy Run Pumped Storage Station. This paper discusses the major rehabilitation work performed on the pump/turbine units in 1973 to 1975 and 1983 to 1985. This paper includes discussions covering: a brief review of the first major rehabilitation in 1973 to 75; rehabilitation of the carbon steel wicket gates, including the overlaying of the gate stems with stainless steel; rehabilitation of the carbon steel pump/turbine runners including, crack and cavitation repairs and dynamic balancing; installation of an upper draft tube insert; line boring of head cover and bottom ring gate stem bushing bores in the field.
Subject Headings: Rehabilitation | Pumps | Gates (hydraulic) | Steel columns | Stainless steel | Waste storage | Pumping stations | Carbon fibers | Pennsylvania | Philadelphia | North America | United States
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