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Summary of Contents for Patterson HSC
- Page 1 OPERATION & MAINTENANCE MANUAL Type HSC PUMPS PATTERSON PUMP COMPANY A GORMAN-RUPP COMPANY PO Box 790 2129 Ayersville Road Toccoa, Georgia 30577, USA Telephone: 706-886-2101 Revision 2...
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Page 2: Safety Precautions
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. -
Page 3: Table Of Contents
TABLE OF CONTENTS SECTION I: General Information ................1 SECTION II: Storage & Protection ................1 SECTION III: Installation 3-1 Location ..................... 2 3-2 Mounting .................... 2 3-3 Alignment .................... 2 3-4 Wiring and Controls ................3 SECTION IV: Operation 4-1 Starting.................... -
Page 4: Section I
SECTION I GENERAL INFORMATION This manual covers the installation, operation and maintenance of Patterson Pump Type HSC 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 5: Installation
SECTION III INSTALLATION Location: Several factors should be considered when selecting a location for the pumping unit (pump and drive). The unit should be accessible for both inspection and maintenance. Headroom should be provided for the use of crane, hoist or other necessary lifting devices. The pump should be located as close as possible to the liquid supply so that the suction line is short and direct. -
Page 6: Wiring And Controls
WARNING!!! The importance of correct alignment cannot be overemphasized. The following procedure should be used for initial installation. Mount pump assembly on steel base, concrete pad or floor and tighten bolts evenly, but not too tight.. At this point check alignment of the coupling. This should not be more than that recommended by the coupling manufacturer. -
Page 7: Shutdown
Prime the pump in one of the following ways: If the pump operates under positive pressure, open vent valve on top of the pump casing. After all entrained air has escaped, close the vent valves. Rotate the shaft, if possible, to allow any air trapped in the impeller passages to escape. -
Page 8: Maintenance
Bearing relubrication requirements – refer to the table “Pump Bearing Relubrication Requirements”. . Do not overlubricate the bearings.. Such action will cause bearings to overheat. Refer to the “General Pump Inspection and Maintenance Schedule” for best results. HSC Pump Bearing Relubrication Requirements Bearing Group Number* Pump Speed... - Page 9 General Pump Inspection and Maintenance Schedule HSC Split Case Pumps Excludes motors, VFD’s, and controls. Contact Patterson Pump Company if assistance is needed to determine the inspection and service requirements for a specific pump 2000 4000 8000 Inspect () or service () at the...
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Page 10: Repairs & Replacement
SECTION VI REPAIRS AND REPLACEMENT WARNING!!! Whenever any disassembly work is to be done on the pump, disconnect the power source to the driver to eliminate any possibility of starting unit. It is advisable that a qualified Pump service technician does the disassembly and reassembly of the pump. -
Page 11: Cleaning
Cleaning: WARNING!!! Petroleum based cleaning solvents are flammable. Smoking or open flames in the vicinity of these solvents is extremely hazardous and must not be permitted. Disregarding this warning could result in grave personal injury. Clean all metal parts with a solvent. Use a bristle brush (not metal or wire) to remove tightly adhering deposits. A fiber scraper may be used to remove the gasket and shellac from casing flange. -
Page 12: Locating Operation Difficulties
Press the bearings (16 & 18) onto the shaft (6). Install the bearing spacer ring (78) into the outboard bearing cartridge (33) and the seal (89A) into the inboard bearing cartridge (31). Install the cartridges (31 & 33) onto the bearings (16 & 18) and fasten them to the bearing covers (37). Install the dowel pins into the case rings (7) and slide onto the impeller (2). - Page 13 Speed too low – indicated by low pressure on discharge. Valve closed – indicated by high discharge head. Impeller completely plugged up – indicated by low discharge pressure. Abnormally Small Quantities Delivered Air leaks in suction pipe or stuffing boxes. ...
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Page 14: Recommended Spare Parts
Pump Vibrates Misalignment. Foundation not sufficiently rigid. Impeller partially clogged. Mechanical defects: bent shaft, rotating element binds, bearings worn, coupling defective. Suction and discharge pipes not anchored. Pump cavitating from too high a suction lift. ... -
Page 16: Notes
Notes...