A.02 PD - FWSPUMPCOMPRESSEDINFORMATION-Copy.pdf

This is an Operation and Maintenance Manual for a vertical pump installation at the Detroit Dam and Reservoir Minto Fish Collection Facility in Gates, Oregon. The manual documents a 12" x 18" single-stage mixed-flow vertical pump manufactured by Patterson Pump Company, operating at 1770 RPM with a capacity of 6,500 GPM and 50 ft. total dynamic head. The pump, serial number AF-C0104925-001 through -005, is driven by a Nidec/US Motors 125 HP motor (3/60/460V, 405TP Frame, WP1) operating at 1800 RPM, and was built in 2012 under federal contract W9127N-11-C-0013 for Slayden Construction Group, Inc. The pump assembly weighs approximately 2,400 lbs (less motor) with a total assembled weight of 3,600 lbs. Key specifications include a clockwise rotation when viewed from top, impeller setting of 0.093" to 0.125" vertical, and an approximate hydraulic thrust of 2,631.2 lbs at 50.6 ft total dynamic head.

The manual provides design features and specifications for maintenance and operation, including detailed information on component construction such as the three-piece segmented discharge elbow with an 18" line radius, 1 7/8" enclosed line shaft with maximum bearing spacing of 77.88", and Thordon bearing product lubrication at suction bell, diffuser, and upper bearing locations. The pump flange joints are sealed with Permatex or equal, and the impeller is a one-piece casting with a maximum hydraulic surface finish of 63. Replacement parts and technical inquiries should be directed to Patterson Pump Company in Toccoa, Georgia, at (706) 886-2101.