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Installation, Operation, and
Maintenance Manual

Model VJC

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Содержание VJC

Страница 1: ...Installation Operation and Maintenance Manual Model VJC ...

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Страница 3: ...14 5 1 Installation Instructions Vertical Pumps 14 5 1 1 Location of pump 14 5 1 2 Pump support 14 5 1 3 Discharge piping 14 5 1 4 Sump 14 5 1 5 Direct connect alignment 14 5 1 6 V belt drive alignment 19 5 1 7 FACTORS THAT MAY DISTURB ALIGNMENT 20 6 Starting a Vertical Pump 22 6 1 Starting a vertical pump 22 6 1 1 Pump support 22 6 1 2 Bearing lubrication 22 6 1 3 Shaft rotation 22 6 1 4 Correct ...

Страница 4: ...ft assembly 29 8 1 5 Pump reassembly vertical bottom suction VJC 29 8 1 6 VJC section drawing 30 9 Checklist for Locating Trouble 34 9 1 Check List for Locating Trouble 34 9 1 1 Insufficient capacity 34 9 1 2 Insufficient pressure 34 9 1 3 Motor overload 34 9 1 4 Pump vibration 34 9 1 5 Leak at column pipe 34 9 1 6 Water hammer 35 10 Ordering Spare Parts 36 10 1 Ordering Spare Parts 36 10 1 1 Repl...

Страница 5: ... com en US Tools and Resources Litera ture or by contacting your nearest Goulds Pumps sales representative These manuals must be read and understood before installation and start up For additional information contact your nearest Goulds Pumps sales representative or visit our Web site at https www gouldspumps com 1 2 Safety warnings Specific to pumping equipment significant risks bear reinforcemen...

Страница 6: ...cates a hazardous situation which if not avoided could result in death or serious injury Example Pump shall never be operated without coupling guard installed correctly CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury Example Throttling flow from the suction side may cause cavitation and pump damage Electrical Hazard WARNING Indicates the possib...

Страница 7: ...NING NEVER run pump below recommended minimum flow when dry or without prime WARNING ALWAYS lock out power to the driver before performing pump maintenance WARNING NEVER operate pump without safety devices installed WARNING NEVER operate pump with discharge valve closed WARNING NEVER operate pump with suction valve closed WARNING DO NOT change service application without approval of an authorized ...

Страница 8: ...ers of the proper size and material WARNING Replace all corroded fasteners WARNING Ensure all fasteners are properly tightened and there are no missing fasten ers WARNING Startup and Operation When installing in a potentially explosive environment please ensure that the motor is properly certified WARNING Operating pump in reverse rotation may result in contact of metal parts heat generation and b...

Страница 9: ...void physical injury and or equipment damage Steel toed shoes must be worn at all times WARNING The pump may handle hazardous and or toxic fluids Observe proper decon tamination procedures Proper personal protective equipment should be worn Precautions must be taken to prevent physical injury Pumpage must be han dled and disposed of in conformance with applicable environmental regula tions WARNING...

Страница 10: ...electrical equipment installed in Europe ATEX deals with the control of potentially explosive atmospheres and the standards of equipment and protective systems used within these atmospheres The relevance of the ATEX re quirements is not limited to Europe You can apply these guidelines to equipment installed in any poten tially explosive atmosphere Guidelines for compliance Compliance is fulfilled ...

Страница 11: ...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 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...

Страница 12: ...pump to foundation and piping Piping must not add any strain to the pump Disconnect the coupling or V belt and check the rotation of motor Incorrect pump rotation will critically damage pump Reconnect driver Attach coupling guard and all other safety devices 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...

Страница 13: ...ategory 2 G D Pump can be used when gas and dust are present T4 Temperature class WARNING 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 3...

Страница 14: ...ovisions of this Instruction Manual This pump is not to be operated at speeds working pressures discharge pressures or temperatures higher than nor used with liquids other than stated in the original order acknowledgement without written permission of the Slurry Pump Division Goulds Pumps Inc 4 1 4 Receiving and inspection shortages Care should be taken when unloading any Goulds pump If shipment i...

Страница 15: ...be required Also driver and coupling manufacturers should be contacted for long term storage proce dures 4 1 General Model VJC Installation Operation and Maintenance Manual 13 ...

Страница 16: ...arge Excessive friction losses result in insufficient head The pumps are not designed to carry loads imposed by the weight of the pipeline The pipe must be sup ported independently near the pump to prevent any strain being transmitted to the pump Arrangements should be made to keep the pump from back spinning severely during shutdown On a long discharge line a non slam check valve should be instal...

Страница 17: ...es have occur red alter piping to remove pipe strains on pump flanges Final Alignment Hot Alignment After First Run To obtain correct alignment when both pump and driver are at operating tempera ture 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...

Страница 18: ... angular misalignment are 003in 076mm Total Indicated Reading T I R or less when the pump and driver are at operating temperature Final Alignment Fig 2 provides a picture of what to look for Setup 1 Mount two dial indicators on one of the coupling halves X so that hey contact the other coupling half Y see Fig 3 5 1 Installation Instructions Vertical Pumps 16 Model VJC Installation Operation and Ma...

Страница 19: ...ust be completed and the necessary adjustments be made to obtain the 003in 076mm T I R stated in the alignment criteria Angular alignment A unit is in angular alignment when indicator A Angular Indicator Fig 3 does not vary by more than 003in 076mm as measured at four points on the coupling periphery goo apart at operating tem perature There are two methods outlined below which are acceptable to a...

Страница 20: ...t be greater than 003in 076mm If however 003in 076mm T I R or less is not attainable check the motor and motor mount for perpendicularity to their respective centerlines 7 Repeat steps 1 6 substituting positions 2 and 4 for positions 1 and 3 respectively Use the same marks made on the coupling from position 1 and be sure to turn the coupling halves together Parallel alignment The unit is in parall...

Страница 21: ...st be maintained for full power transmission minimum vibration and long drive life A dial indicator can be used to check runout on the periphery and face of each sheave A straight edge can be used to check the alignment of the pump and drive sheaves in the vertical direction See Fig 6 page 6 2 Belt Installation When installing new belts shorten center distance between sheaves so that belts can be ...

Страница 22: ...er 5 Use Belt Guards Belt guards protect personnel from danger and the drive from contamination In spect periodically to assure that belts do not rub against guard NOTICE Do not operate the pump without the proper drive guard in place Failure to observe this warn ing could result in personal injury to operating personnel 6 Keep Belts Clean Dirt and grease reduce belt life Belt dressing affects per...

Страница 23: ...Figure 8 V belt drive alignment 5 1 Installation Instructions Vertical Pumps Model VJC Installation Operation and Maintenance Manual 21 ...

Страница 24: ...led with the pump The direc tion of rotation of the pump is indicated in a prominent location For pumps with impellers threaded on the shaft reverse rotation would back the shaft from the impeller thread NOTICE Incorrect rotation could result in considerable damage to the pump Lockout power to the driver before checking the motor rotation 6 1 5 Bearing housing seals The bearing housing seals may g...

Страница 25: ...tion 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 6 1 Starting a vertical pump Model VJC Installation Operation and Maintenance Manual 23 ...

Страница 26: ...in full pump capacity the impeller clearance must be adjusted periodically Each application is different and it is necessary to determine the amount of wear for a certain time period before setting up a schedule for adjustment 1 Impeller Clearance Adjustment 1 Shut the discharge valve to the pump 2 Loosen the thrust bearing housing locking stud nuts 370C Refer to 8 1 2 Disassembly of bearing housi...

Страница 27: ...re together In case of making replacements for bearings which have been installed and run it is recommended that both halves be replaced This avoids the dangers involved in attempting to match two bearings one of which has unknown internal characteristics 7 1 5 Gaskets and o ring seals When making inspections or repairs be sure to replace all gaskets and o rings Pumps will operate at reduced capac...

Страница 28: ...f the pump performance does not satisfy your process requirements the pump should be disassembled and inspected Worn parts should be replaced 7 1 Operating and Maintenance Instructions 26 Model VJC Installation Operation and Maintenance Manual ...

Страница 29: ...r 1008 7 With the shaft 122 clamped tum the impeller 101 in the direction of normal rotation and unscrew from the shaft To avoid damage to shaft wrap tape around threads 8 Unbolt studs nuts and bolts 370 371H Remove casing 100 with rubber gasket 211 9 Unbolt nuts 370H from throttle bushing 473 and remove from column pipe Access to nuts is made through column pipe relief holes 10 Slide shaft sleeve...

Страница 30: ...3 and outboard end cover 109 3 Remove bearing housing 134A from bearing and slide off bottom of shaft 4 Remove outboard bearing locknut 136 and lockwasher 382 and press outboard bearings 112C off shaft Figure 10 VJC bearing housing 8 1 Disassembly and Reassembly 28 Model VJC Installation Operation and Maintenance Manual ...

Страница 31: ... and secure with capscrews 370P 3 Heat outboard bearings evenly using an oven hot clean oil bath or other approved method The use of a torch is not recommended Heat to 230 to 250 F Slide each bearing onto the shaft so that the wide side of the outer rings are together Hold each bearing inner ring down toward the shaft shoulder Allow the bearings to cool Place a sleeve over the shaft and drive both...

Страница 32: ...possible 11 Attach suction liner 1008 to the suction cover 182 Apply a small amount of Never Seez in cas ing fit to facilitate removal 12 Place o ring on suction cover 182 Position suction cover and suction liner assembly into casing 100 and bolt it in place Tighten all bolts evenly so that suction cover will not become misaligned 13 Adjust impeller 101 using the adjusting bolts so that it rubs th...

Страница 33: ...Figure 11 VJC full sectional C1 C4 C5A C6A bearing frames Bill of material Item Qty Part Name 8 1 Disassembly and Reassembly Model VJC Installation Operation and Maintenance Manual 31 ...

Страница 34: ...Gasket 351A 1 Gasket 382 1 Bag lockwasher 400 1 Key coupling 412 1 o ring 473 1 Throttle bushing 496 1 0 ring 496A 1 0 ring Hardware below frame frame hardware Threaded hardware below the frame is coated with loctite 242 or equal Floorplate and suction bell are optional CS CS bearing assemblies NOTICE Consult page 1 of pump bill of material for bearing size used in your pumps Pumps manufactured wi...

Страница 35: ...Figure 12 VJC bearing housing C5 and C6 frames 8 1 Disassembly and Reassembly Model VJC Installation Operation and Maintenance Manual 33 ...

Страница 36: ...2 Total head lower than pump rating pump will attempt to pump too much water 3 Slurry being pumped has higher specific gravity than that for which pump is rated 4 Mechanical defects shaft bent worn bearings worn impeller or other water end parts 5 Slurry locked in and around impeller 6 Pump running at high horsepower area of the pump curve off of design point 7 Rubbing or binding of rotating eleme...

Страница 37: ...hanges 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 9 1 Check List for Locating Trouble Model VJC Installation Operation and Maintenance Manual 35 ...

Страница 38: ...omplete shipping instructions 10 1 2 Recommended spare parts The following are pump application categories and their recommended spare parts Light Duty Random mildly abrasive particles 1 Shaft Sleeve 1 Gasket Set Medium Duty Light slurries up to 1 2 S G with moderately abrasive materials 1 Impeller 1 Set Liners 1 Shaft Sleeve 1 Gasket Set 1 Set Bearings Heavy Duty Slurries over 1 2 S G with highly...

Страница 39: ...www gouldspumps com ITT Goulds Pumps Vertical Products Operation 3951 Capitol Avenue City of Industry CA 90601 1734 USA 2021 ITT Corporation The original instruction is in English All non English instructions are translations of the original instruction Form IOM VJC en US 2021 07 ...

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