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Summary of Contents for Patterson HVES-CC
- Page 1 OPERATION & MAINTENANCE MANUAL HVES-CC PUMPS PATTERSON PUMP COMPANY A GORMAN-RUPP COMPANY PO Box 790 2129 Ayersville Road Toccoa, Georgia 30577 USA Telephone: 706-886-2101 Revision 10-2016...
- Page 2 Patterson pumps are built in a wide variety of designs and for many different services. This instruction manual should be studied carefully and followed, as there may be specific requirements for this unit and application that cannot be covered in a general discussion.
- Page 3 SAFETY PRECAUTIONS WARNING Do not operate this equipment in excess of its rated speed or other than in accordance with the instructions contained in this manual. The equipment has been found satisfactory for the conditions for which it was sold, but its operation in excess of these conditions may subject it to stresses and strains which it was not designed to withstand.
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Page 4: Table Of Contents
TABLE OF CONTENTS SECTION 1 General Information ................ 1 SECTION 2 Storage & Protection ..............1 SECTION 3 Installation 3-1 Location ................2 3-2 Mounting ................. 2 3-3 Wiring and Controls ............2 SECTION 4 Operation 4-1 Starting ................3 4-2 Shutdown ............... -
Page 5: General Information
GENERAL INFORMATION This manual covers the installation, operation and maintenance of Patterson Pump HVES-CC pumps. The pump is a centrifugal, single stage; single suction type furnished with mechanical seals. When properly installed and when given reasonable care and maintenance, centrifugal pumps should operate satisfactorily for a long period of time. -
Page 6: Location
Space heaters on motors and controllers should be connected and fully operable if atmospheric conditions approach those experienced in operation. Consult instruction manuals for other precautions concerning storage of individual components of pumping unit. Fresh lubricant should be applied to bearings upon removal of equipment from storage. -
Page 7: Starting
Do not exceed the pressure capabilities of the mechanical seals. The maximum pressure on the mechanical seal for this pump type is equal to the suction pressure plus 10% of the maximum pump operating head (converted to units of pressure) for a new pump. For a pump with worn internal ring clearance, the maximum pressure on the mechanical seal is equal to the suction pressure plus 15% of the maximum pump operating head (converted to units of pressure). -
Page 8: Shutdown
case. Make sure all valves open or closed as required by your specific requirements. Start driver: Open discharge valve slowly when the pump is up to speed. Overheating and/or loss of prime will result if the pump is operated against a closed valve for more than a few minutes. -
Page 9: Repairs & Replacement
General Pump Inspection and Maintenance Schedule HVES-CC Pumps Excludes drivers, VFD’s, and controls. Contact Patterson Pump Company if assistance is needed to determine the inspection and service requirements for a specific pump. 4000 8000 2000 Inspect ( ) or service ( ) at the indicated... -
Page 10: Disassembly Of Rotating Element
Remove bolts holding the volute cover (11) to the casing (1). Pull entire rotating assembly and volute cover (11) from the casing (1). The assembly should be pulled straight out until impeller (2) is clear of the casing. Disassembly of Rotating Element: Remove the impeller screw (26) and impeller washer (24). -
Page 11: Assembly
exceed .002 inches (0.05 mm). Bearing surfaces should be smooth; shoulders square and free of nicks. Measure OD of impeller hub and ID of pump casing. Compute diametrical clearance (ID minus OD) and compare with the original pump specifications. Surfaces must be smooth and concentric. -
Page 12: Locating Operation Difficulties
LOCATING OPERATING DIFFICULTIES In the majority of cases, operating difficulties are external to the pump and the following causes should be carefully investigated before undertaking repairs: No Water Delivered Pump not primed – indicated by no pressure on discharge. Speed too low –... - Page 13 Intermittent Operation Leaky suction line. Water seal plugged (hence, a leaky stuffing box). Suction lift too high. Air, gas or vapor in liquid. Pump Overloads Driver Speed too high. Head lower than rated, hence, pumping too much water. (This is valid for low specific speed pumps).
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Page 14: Recommended Spare Parts
RECOMMENDED SPARE PARTS FOR HVES-CC PUMPS Reference: Assembly Section INTERMITTENT DUTY Number Description Casing Ring Shaft Sleeve Mechanical Seal Gasket (casing) CONTINUOUS DUTY Number Description Impeller Shaft Casing Ring Shaft Sleeve Impeller Screw Deflector Mechanical Seal All Hardware (not shown) -
Page 15: Typical Assembly Section
Notes...
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can you please confirm the E2D11A-CC model, HVES-CC type, Pump FLA