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Summary of Contents for ITT VJC
- Page 1 Installation, Operation, and Maintenance Manual Model VJC...
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Page 3: Table Of Contents
1.4 General precautions ..........................5 1.5 ATEX Considerations and Intended Use....................8 1.6 Parts ................................9 2 Model VJC Installation Check Sheet ......................10 2.1 Model VJC installation check sheet......................10 3 Nameplate Information............................ 11 3.1 Nameplate information ..........................11 4 General ................................ - Page 4 8 Disassembly and Reassembly ........................27 8.1 Disassembly and Reassembly ........................ 27 8.1.1 Disassembly of a bottom suction pump - VJC ................27 8.1.2 Disassembly of bearing housing and shaft assembly ..............28 8.1.3 INSPECTION AND PARTS REPLACEMENT GUIDELINES ............29 8.1.4 Reassembly of bearing housing and shaft assembly..............
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Page 5: Introduction And Safety
ITT Goulds pumps will provide safe, trouble-free service when properly installed, maintained, and operat- Safe installation, operation, and maintenance of ITT Goulds Pumps equipment are an essential end user responsibility. This Pump Safety Manual identifies specific safety risks that must be considered at all times during product life. -
Page 6: Safety
Trapped liquid can rapidly expand and result in a violent explosion and injury. ITT Goulds Pumps will not accept responsibility for physical injury, damage, or delays caused by a failure to observe the instructions for installation, operation, and maintenance contained in this Pump Safety Manual or the current IOM available at http://www.gouldspumps.com/literature. -
Page 7: General Precautions
Personal injuries will result if procedures outlined in this manual are not followed. ITT Goulds Pumps will not accept responsibility for physical injury, damage or delays caused by a failure to observe the instructions in this manual and the IOM provided with your equip- ment. - Page 8 The coupling used in an ATEX classified environment must be properly certi- fied and must be constructed from a non-sparking material. WARNING Never operate a pump without coupling guard properly installed. Personal in- jury will occur if pump is run without coupling guard. Model VJC Installation, Operation, and Maintenance Manual...
- Page 9 CAUTION Wear heavy work gloves when handling impellers as sharp edges may cause physical injury. CAUTION Wear insulated gloves when using a bearing heater. Bearings will get hot and can cause physical injury. Model VJC Installation, Operation, and Maintenance Manual...
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Page 10: Atex Considerations And Intended Use
Maintenance manual (IOM) can cause serious personal injury or damage to the equipment. This in- cludes any modification to the equipment or use of parts not provided by ITT Goulds Pumps. If there is any question regarding the intended use of the equipment, please contact an ITT Goulds representative before proceeding. -
Page 11: Parts
The code classification marked on the equipment must be in accordance with the specified area where the equipment will be installed. If it is not, do not operate the equipment and contact your ITT Goulds Pumps sales representative before proceeding. -
Page 12: Model Vjc Installation Check Sheet
Open the discharge valve to prime the pump. If oil, air, or water leaks from the column pipe or fittings, close the discharge valve and determine the cause of the leak before operating of the pump. Run the pump at proper speed and hydraulic operating point. Model VJC Installation, Operation, and Maintenance Manual... -
Page 13: Nameplate Information
Use of equipment unsuitable for the environment can pose risks of ignition and/or explosion. Ensure the pump driver and all other auxiliary components meet the required area classifica- tion at the site. If they are not compatible, do not operate the equipment and contact an ITT representative before proceeding. -
Page 14: General
If the pump is to be idle and exposed to the elements for an extended period, either before or after instal- lation, special precautions are required. Preservative treatment of bearings and machined surfaces will Model VJC Installation, Operation, and Maintenance Manual... - Page 15 4.1 General be required. Also, driver and coupling manufacturers should be contacted for long term storage proce- dures. Model VJC Installation, Operation, and Maintenance Manual...
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Page 16: Installation Instructions - Vertical Pumps
Initial Alignment is done prior to operation when the pump and the driver are at ambient tempera- ture. • Final Alignment is done after operation when the pump and driver are at operating temperature. NOTICE: Proper alignment is the responsibility of the installer and user of the unit. Model VJC Installation, Operation, and Maintenance Manual... - Page 17 Thereafter, alignment should be checked periodically in accordance with plant operating pro- cedures. Alignment criteria Disconnect coupling halves before proceeding with the alignment. Check for parallel and angular align- ment with either the Dial Indicator Method or the Straight- Edge Method outlined below. Model VJC Installation, Operation, and Maintenance Manual...
- Page 18 (Final Alignment). Fig. 2 provides a picture of what to look for. Setup Mount two dial indicators on one of the coupling halves (X) so that hey contact the other coupling half (Y), see Fig. 3. Model VJC Installation, Operation, and Maintenance Manual...
- Page 19 Rotate both flanges 180° to position 3. Observe needle and record reading. Negative Reading - The coupling halves are further apart at position 3 than position 1. Positive Reading - The coupling halves are closer at position 1 than position 3. Model VJC Installation, Operation, and Maintenance Manual...
- Page 20 Rotate both flanges 180° to position 3. Observe needle and record reading. Negative Reading - The coupling half Y is shifted toward position 1. If the value is greater than .003in. (.076mm), shift the motor accordingly. Model VJC Installation, Operation, and Maintenance Manual...
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Page 21: V-Belt Drive -Alignment
Arrange the belts so that both belt spans have approximately the same sag between the sheaves. Apply tension to the belts by in- creasing the center distance until the belts are snug, see Fig.5. Model VJC Installation, Operation, and Maintenance Manual... -
Page 22: Factors That May Disturb Alignment
Spring of the base plate due to heat treated from an adjacent heat source. Shifting of the building structure due to variable loading or other causes. Loose nuts or bolts on the pump or driver assembly Model VJC Installation, Operation, and Maintenance Manual... - Page 23 5.1 Installation Instructions-Vertical Pumps Figure 8: V-belt drive alignment Model VJC Installation, Operation, and Maintenance Manual...
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Page 24: Starting A Vertical Pump
A great danger exists from possible explosion! Use the check sheet to prepare the pump for opera- tion. CAUTION: Immediately observe pressure changes. If the discharge pressure is not quickly attained - stop the driver, reprime and attempt to restart. Model VJC Installation, Operation, and Maintenance Manual... - Page 25 Operation of this pump with the discharge valve closed for even brief periods of time is an unacceptable and dangerous practice. a great danger exists from possible explosion! • Do not apply heat to the hub or nose of threaded impeller. danger of explosion. Model VJC Installation, Operation, and Maintenance Manual...
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Page 26: Operating And Maintenance Instructions
Noise, vibration and wear may result from the impeller rubbing on the suction liner or cas- ing wall. Adjust impeller clearance. Poor performance and wear may result from excessive impleller clearance at the suction side casing liner. Model VJC Installation, Operation, and Maintenance Manual... -
Page 27: Seals
Temperature monitoring Routine Inspections - • Check for unusual noise, vibration and bearing temperatures. • Inspect pump and piping for leaks. Quarterly Inspections - • Check hold down bolts for tightness. Yearly Inspections - Model VJC Installation, Operation, and Maintenance Manual... - Page 28 7.1 Operating and Maintenance Instructions • Check pump capacity, pressure and power. If the pump performance does not satisfy your process requirements, the pump should be disassembled and inspected. Worn parts should be replaced. Model VJC Installation, Operation, and Maintenance Manual...
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Page 29: Disassembly And Reassembly
Do not apply heat to the hub or nose of a threaded impeller. Danger of explosion. 8.1.1 Disassembly of a bottom suction pump - VJC Lock out power supply to motor. Shut off valves controlling flow from the pump. Remove all auxiliary piping and tubing. -
Page 30: Disassembly Of Bearing Housing And Shaft Assembly
Remove deflector (123) and outboard end cover (109). Remove bearing housing (134A) from bearing and slide off bottom of shaft. Remove outboard bearing locknut (136) and lockwasher (382) and press outboard bearings (112C) off shaft. Figure 10: VJC bearing housing Model VJC Installation, Operation, and Maintenance Manual... -
Page 31: Inspection And Parts Replacement Guidelines
Hand pack inboard bearing fully with recommended grease (see 7.1.1 Lubrication on page Mound a small amount of grease above bearing to insure sufficient lubrication. 8.1.5 Pump reassembly -- vertical bottom suction - VJC Install o-ring (496A) onto bearing housing (134A). Model VJC Installation, Operation, and Maintenance Manual... -
Page 32: Vjc Section Drawing
15. Attach motor mount if direct connected pump. 16. Connect v-belt drive or coupling. 17. Follow procedure for installation of vertical pumps. 8.1.6 VJC section drawing Pumps manufactured with bearing assemblies C1- C4, CSA, & CSA use ball bearings. Model VJC Installation, Operation, and Maintenance Manual... - Page 33 8.1 Disassembly and Reassembly Figure 11: VJC full sectional C1-C4, C5A, C6A bearing frames Bill of material Item Part Name Model VJC Installation, Operation, and Maintenance Manual...
- Page 34 Consult page 1 of pump bill of material for bearing size used in your pumps. Pumps manufactured with bearing assemblies CS & CS use spherical roller bearings (item 168C) and tapered roller bearings (item 112C). Model VJC Installation, Operation, and Maintenance Manual...
- Page 35 8.1 Disassembly and Reassembly Figure 12: VJC bearing housing C5 and C6 frames Model VJC Installation, Operation, and Maintenance Manual...
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Page 36: Checklist For Locating Trouble
Mechanical defects: shaft bent, worn bearings, impeller worn. 9.1.5 Leak at column pipe Worn impeller. Discharge pressure greater than pump rating. Worn bearings. Speed too low. Deteriorated o-rings or gaskets. Poor pipe joints. Model VJC Installation, Operation, and Maintenance Manual... -
Page 37: Water Hammer
Changes in the flow rate occur when there are sudden changes in the pump speed. The most common cause is the sudden opening or closing of a valve or flow control device. Extensive damage to the pump and pipeline is a result of water hammer. Model VJC Installation, Operation, and Maintenance Manual... -
Page 38: Ordering Spare Parts
Severe Duty - Key process equipment on heavy slurries over 1.2 S.G. with high heads and highly abra- sive particles: • Casing • Impellers • 2 Sets Liners • Shaft Sleeves • Gasket Sets • 1 Spare Pump Visit our website at http://www.gouldspumps.com Model VJC Installation, Operation, and Maintenance Manual... - Page 39 Visit our website for the latest version of this document and more information: www.gouldspumps.com ITT - Goulds Pumps Vertical Products Operation 3951 Capitol Avenue City of Industry, CA 90601-1734 Form IOM.VJC.en-US.2021-07 ©2021 ITT Corporation The original instruction is in English. All non-English instructions are translations of the original instruction.
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