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Summary of Contents for General Pump SMH
- Page 1 Owner’s Manual • Installation • Use • Maintenance General Pump is a member of the Interpump Group Ref 300893 Rev. B 04-22...
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Page 2: Table Of Contents
SMH SERIES GENERAL PUMP A member of the Interpump Group INDEX INTRODUCTION ............. . . Page 3 DESCRIPTION OF SYMBOLS . -
Page 3: Introduction
A member of the Interpump Group 1. INTRODUCTION This manual describes the use and maintenance instructions of the SMH pump, and should be carefully read and understood before using the pump. Correct use and adequate maintenance will guarantee the pumps trouble-free operation for a long time. General Pump declines any responsibility for damage caused by misuse or the non-observance of the instructions indicated in this manual. -
Page 4: Safety
SMH SERIES GENERAL PUMP A member of the Interpump Group 3. SAFETY 3.1 General Safety Indications Improper use of pumps and high pressure systems, and/or failure to observe the installation and maintenance instructions may cause serious injury to people and/or damage to property. Anyone assembling or using high pressure systems must possess the necessary competence to do so, should be aware of the characteristics of the components assembled/used, and must take all precautions necessary to ensure maximum safety in any operating condition. -
Page 5: General Procedures For Using Nozzles And Lances
SMH SERIES GENERAL PUMP A member of the Interpump Group 3.4 General Procedures For Using Lances/Nozzles 1. The Operator must always place his own and other worker’s safety before any other interest; his and should always be governed by good sense and responsibility. -
Page 6: Technical Characteristics
SMH SERIES GENERAL PUMP A member of the Interpump Group 5. TECHNICAL FEATURES FLOW RATE PRESSURE POWER MODEL l/min 21750 1500 1500 21750 1500 SMH14 1800 21750 1500 2200 21750 1500 17400 1200 1500 17400 1200 SMH16 1800 17400 1200... -
Page 7: Dimensions And Weight
Weight: 573 Lbs./260 Kg. fig. 2 7. OPERATING INSTRUCTIONS The SMH pump was designed to operate with filtered water (see paragraph 9.7) and at maximum tempera- ture of 104 F (40 Other fluids may be used only upon the approval of The Customer Service Department. -
Page 8: Recommended Lubricant Types And Manufacturers
SMH SERIES GENERAL PUMP A member of the Interpump Group 7.5 Recommended Lubricant Oil Types & Manufacturers The pump is delivered with lubricant oil compliant with room temperatures ranging between 32° and 89.6° F (0° and 30° C). Some recommended lubricant types are indicated in the table below; these lubricants are treated with additives in order to increase corrosion protection and resistance to fatigue. - Page 9 SMH SERIES GENERAL PUMP A member of the Interpump Group In any case, oil must be changed at least once a year since it may deteriorate by oxidation. For room temperatures other than between 32° - 86° F (0° - 30° C), follow the indications contained in the diagram below, keeping in mind that the oil must have a minimum viscosity of 180 cSt.
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Page 10: Ports And Connections
8.1 Linings/Nose Cones SMH pumps are provided with 4 steel tapered linings, for use in the corresponding outlet ports of the pump (see fig. 5) or in the optional connection flanges, to ensure the connection seal. While the seat of the pump’s outlet port is already machined to accept the tapered lining, if it is necessary to make the connection for the outlet connection or the closing plug, these must be specifically machined as shown in fig. -
Page 11: Pump Installation
SMH SERIES GENERAL PUMP A member of the Interpump Group 9. PUMP INSTALLATION 9.1 Installation The pump must be installed in a horizontal position using the M 16x1.5 threaded support feet. Tighten the screws with a torque of 148 ft. lbs. (200 Nm). The base must be perfectly flat and rigid enough as not to allow bending or misalignment on the pump coupling and axis/transmission due to torque transmitted during operation. -
Page 12: Direction Of Rotation
SMH SERIES GENERAL PUMP A member of the Interpump Group 9.2 Direction of rotation The PTO rotation is indicated by an arrow located on the reduction gear cover. From a position facing the pump head, the rotation direction will be as in fig. 6. -
Page 13: Hydraulic Connections
9.5 Pump Supply SMH pumps require a positive water head (NPSH ) of between 75-100 PSI (5-7 Bar) at the pump head entrance. The booster supply pump must have a flow rate at least double that of the rated flow rate of the plunger pump, and a minimum pressure of 75 PSI (5 bar). -
Page 14: Filtration
SMH SERIES GENERAL PUMP A member of the Interpump Group 9.7 Filtration The level of filtration permitted for this series of pumps must be maximum 20 µm (micron). Normally this is obtained by a battery of at least three filters, positioned as shown in fig. 8. -
Page 15: Internal Diameter Of Hose
SMH SERIES GENERAL PUMP A member of the Interpump Group 9.9 Internal Diameter of the Hose Line To determine the internal diameter of the hose, please refer to the following diagram. Inlet Hose With a flow rate of ~21 GPM (80 l/mn) and water speed of 0.5 m/sec. The diagram line that connects the two scales intersects the central scale, indicating the diameters, at a value of ~ 2.3 inch (58 mm). -
Page 16: V-Belt Transmission
SMH SERIES GENERAL PUMP A member of the Interpump Group 9.10 V-belt Transmission As indicated in point 9.1, the pump can be controlled by a v-belt system only in exceptional cases. For proper layout sizing, consult our Customer Service Department. -
Page 17: Start Up And Operation
SMH SERIES GENERAL PUMP A member of the Interpump Group 10. START-UP AND OPERATION 10.1 Preliminary Inspections Before Start-up Be sure that: The inlet line is connected and up to pressure (see Chapter 9) the pump must NEVER run dry. -
Page 18: Cooling Circuit Seal Packing
SMH SERIES GENERAL PUMP A member of the Interpump Group 10.3 Seal Pack Cooling Circuit During operation, some water from the cooling circuit seal packings will be discharged from port 1 (fig. 10). The drainage from this circuit must be redirected to the inlet line upstream of the booster pump (fig. 10) or to the collection tank. -
Page 19: Pump Storage
The pump has been fit with an electric or diesel engine with performance greater than that indicated in the table. c) The required safety devices were un-adjusted or disconnected. d) The pump was used with accessories or spare parts not supplied by General Pump. e) Damage was caused by:... -
Page 20: Troubleshooting
SMH SERIES GENERAL PUMP A member of the Interpump Group 15. TROUBLESHOOTING The pump does not produce any noise at start-up: • The pump is not primed and is running dry • There is no water in the inlet line •... -
Page 21: Exploded Views And Parts
SMH SERIES GENERAL PUMP A member of the Interpump Group 16. EXPLODED VIEW AND PARTS LIST Ref 300893 Rev. B Page 21 04-22... - Page 22 VALVE HOUSING, 20, 22, 24 F90928300 BABBITT BUSHING, LOWER F90309300 O-RING, Ø 60X2X2.62 F90928400 BABBITT BUSHING, +0.25 F93197400 GASKET, Ø 26X31X3.8 SMH 14-16-18 F90928500 BABBITT BUSHING, +0.50 F93198700 GASKET, Ø 36X31X3.8 SMH 20-22-24 F90928000 BABBITT BUSHING, UPPER F36211056 FLAT VALVE, Ø 14, 16, 18 F90928100 BABBITT BUSHING, +0.25...
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Page 23: Repair Kits / Torque Specs
SMH SERIES GENERAL PUMP A member of the Interpump Group REPAIR KITS AND TORQUE SPECS F2190 (SM14) F2191 (SM16) F2192 (SM18) F2198 (SM20) F2199 (SM22) F2200 (SM240) KIT NUMBER Plunger Plunger Plunger Plunger Plunger Packing Plunger Packing Packing Kit Packing Kit... -
Page 24: Maintenance Log
SMH SERIES GENERAL PUMP A member of the Interpump Group MAINTENANCE LOG HOURS & DATE OIL CHANGE GREASE PACKING REPLACEMENT PLUNGER REPLACEMENT VALVE REPLACEMENT GP Companies, Inc. 1174 Northland Drive Mendota Heights, MN 55120 Phone: 651.686.2199 Fax: 800.535.1745 Ref 300893 Rev. B 04-22 www.generalpump.com email: sales@gpcompanies.com...
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