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Installation, Operation and
Maintenance Instructions

Model JC

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Содержание Goulds Pumps JC

Страница 1: ...Installation Operation and Maintenance Instructions Model JC ...

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Страница 3: ...l and align the sheaves 14 3 4 2 Install and tension the belt 15 3 5 Pump driver alignment 16 3 5 1 Shaft alignment of horizontal pump and driver 16 3 5 2 Alignment procedure 16 3 5 3 Alternate method of alignment 18 3 5 4 Alignment of gear type couplings 18 3 5 5 Factors that may disturb alignment 18 3 6 Preparation for shipment 19 3 7 Location of unit 19 4 Operation 20 4 1 Preparation for start ...

Страница 4: ... 5 4 1 J type bearing 29 5 5 Impeller clearances 29 5 5 1 Methods to determine impeller nose clearance 30 5 6 Maintenance of Bearings 30 5 6 1 Bearing lubrication and care 30 5 6 2 Oil lubrication 31 5 6 3 Grease lubrication 31 5 6 4 To disassemble the J bearing 34 5 6 5 To assemble the J bearing 34 6 Spare Parts 36 6 1 Ordering spare parts 36 6 1 1 Recommended spares 36 6 2 Parts list 36 6 3 JC s...

Страница 5: ...m 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 reinforcement a...

Страница 6: ...es 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 possibili...

Страница 7: ...NG 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 IT...

Страница 8: ...s 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 bre...

Страница 9: ...id 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 O...

Страница 10: ...al 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 only whe...

Страница 11: ...eeding WARNING Follow these special handling instructions if you have an Ex approved unit The coupling guard used in an ATEX classified environment must be properly certified and must be constructed from a spark resistant material All work on the product must be carried out by certified electricians and ITT authorized mechanics Special rules apply to installations in explosive atmospheres All user...

Страница 12: ...a flame arrestor to prevent flame entering or leaving the pump sump tank or barrel when applicable Move equipment to a safe non ATEX environment for repairs adjustments or use spark resistant tools and work methods ITT disclaims all responsibility for work done by untrained and unauthorized personnel 1 6 Parts The use of genuine Goulds parts will provide the safest and most reliable operation of y...

Страница 13: ...s in understanding the construction and correct methods of installing operat ing and maintaining these pumps 2 1 2 Special warnings Goulds will not be liable for any damages or delay caused by failure to comply with the provisions 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 s...

Страница 14: ...eceived with or der Reference Hydraulic Institute for NPSH and pipe friction values needed to evaluate suction piping Short direct suction and discharge pipelines and a minimum of elbows and fittings result in the least amount of pipe friction 3 2 1 Suction piping 1 Excessive friction losses will cause cavitation 2 Must be kept free of air leaks particularly in long lines or conditions of high suc...

Страница 15: ...own in 3 3 Foun dation on page 13 1 Leveling wedges or shims left in place 2 Dam 3 19mm 38mm 1 1 2 allowance for grit 4 Finished grouting 5 Subbase 6 Top of foundation left rough clean and wet down 7 Pipe sleeve 8 Washer 9 Lug Figure 2 Foundation 3 3 1 Installing pump on foundation If subbases or floorplates were directly anchored to poured concrete foundations surface irregularities would cause d...

Страница 16: ...lt drive 3 4 1 Install and align the sheaves Before installing the driver onto an overhead motor mount or side by side base ensure that Foundation requirements and baseplate mounting procedures sections are complete Alignment procedures must be followed to prevent unintended contact of rotating parts Fol low coupling manufacturer s installation and operation procedures 3 4 Install pump driver and ...

Страница 17: ...the sheaves are properly aligned Proper alignment is necessary to guarantee the correct power transmission and speed ratio and ensures minimum vibration and long drive life 3 4 2 Install and tension the belt 1 After alignment of the sheaves reduce the center distance between the pump and motor shafts so that the belts can be easily mounted into the sheave grooves For Reduce the center distance by ...

Страница 18: ...ered during shipment and handling After the subbase has been leveled grouted and secured check the alignment Alignment should be rechecked after the pump is fully installed and before startup Refer to the Alignment Procedure Disconnect coupling halves before proceeding with alignment Check for angular and parallel alignment in the Alignment Procedure The faces and outside diameters of the coupling...

Страница 19: ...of shims under the motor mounting feet After each change it is necessary to recheck the alignment of the coupling halves Adjustment in one direction may disturb adjustments already made in another direction It should not be necessary to adjust the shims under the pump The permissible amount of misalignment will vary with the type of pump and driver The manufacturer s recommendations should be obta...

Страница 20: ...ent of shaft centers can be obtained even where faces or outside di ameters of the coupling halves are not square or concentric with the bores provided all measurements for angular alignment are made between the same two points on the faces and all measurements for parallel alignment are made between the same two points on the outside diameters Gross deviations in squareness or concentricity howev...

Страница 21: ...nsport and short term covered storage Unless otherwise specified it is assumed the pump will be installed upon delivery Additional protection can be provided by request 3 7 Location of unit The pump should be located in a clean dry area free from flooding The area should provide adequate space for maintenance and repair considering complete disassembly and handling of equipment The unit should be ...

Страница 22: ...tity of air entering the pump at this point may result in loss of suction Lubrication liquid pressure is controlled by a valve on the outlet piping Since the liquid leaking from the stuffing box should be clear control of the packing lubricant will vary with the condition of the packing Increase pressure within the stuffing box by closing outlet valve Adjustments should be slow and consis tent wit...

Страница 23: ...igure 11 Stuffing box packing Correct Figure 12 Stuffing box packing Incorrect 5 Expand first coil as shown and insert into stuffing box Tamp packing to stuffing box shoulder firmly with the gland Note where the cut is positioned 6 Install second and third coils as required by assembly drawing staggering the cut 90º 120º 7 Insert seal cage lantern ring into stuffing box carefully noting its proper...

Страница 24: ...ration and seal failure Most mechanical seals are installed and adjusted at the factory Due to size and design some installed mechanical seals are supplied with shipping retainers Shipping retainers hold the sealing faces apart to avoid damage during transport Shipping retainers must be removed before shaft is to be rotated Pumps with retained seal faces will be specially marked and instructions f...

Страница 25: ...in excess of 93 C 200 F will require warmup of pump prior to operation Circulate a small amount of pumpage through the pump until the casing temperature is within 38 C 100 F of the pumpage temperature and evenly heated CAUTION When starting the pump immediately observe pressure gauges If discharge pressure is not quickly attained stop driver reprime and attempt to restart 4 4 1 Bearing lubrication...

Страница 26: ...hanges in the flow rate occur when there are sudden changes in 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 4 4 7 Freezing If the pump is exposed to below freezing temperatures the liquid should be drained during idle periods 4 5 Locating problems 4 5 1 Conditions leading to...

Страница 27: ...cific pump model IOM Do not insulate or allow the bearing housings to accumulate a dust layer as this can result in excess heat generation sparks and premature failure Do not apply additional paint or coatings to the pump when in an ATEX environment Static electric discharge can be initiated when contacting or rubbing surfaces with exces sive coating thickness Potential electrostatic charging haza...

Страница 28: ...l surfaces of pump Observe pump for vibration levels bearing temperature and excessive noise If normal levels are exceeded shut down and resolve 4 5 Locating problems 26 Model JC Installation Operation and Maintenance Instructions ...

Страница 29: ...pections Check level and condition of oil through sight glass on bearing housing Check for unusual noise vibration and bearing temperatures Inspect pump and piping for leaks Check stuffing box leakage Packing Excessive leakage requires adjustment or possible packing replacement Mechanical Seal Should be no leakage Quarterly Inspections Check foundation and hold down bolts for tightness If pump has...

Страница 30: ...of burrs Install sleeve 126 on shaft 2 Carefully guide hub disc 184 stuffing box over impeller end of shaft Secure hub disc 184 to bearing frame 228 with bolts 370C 3 Position casing 100 with gasket into hub disc 184 fit Be sure discharge is in proper orientation Fasten casing to hub disc with cap screws 370J 4 Install impeller 101 with gasket onto shaft 100 Drawing impeller tight on shaft threads...

Страница 31: ...t generation and equipment damage To maintain maximum operating efficiency a uniform 0 396mm 0 792mm 1 64 1 32 clearance be tween the parallel surfaces of suction disc liner 100B and the nose of the impeller 101 is necessary The clearance is adjusted by moving shaft 122 toward or away from suction disc liner 100B There are adjusting lugs cast on bearing frame 228 and thrust bearing housing 134A St...

Страница 32: ...Check clearance after tightening 4 To increase impeller clearance loosen inboard jam nut and drive the shaft assembly by turning the outboard jam nut CAUTION Jam nuts on both sides of bearing frame lugs must be secure Normal impeller thrust will tend to decrease the impeller clearance Impeller rubbing will result from insufficient jam nut tighten ing Conditions Requiring Adjustments 1 Overheated t...

Страница 33: ...ng bear ing life NOTICE Pumps furnished for oil lubrication are shipped without oil Add oil until the level is up to the oil level line before the unit is started If too much oil is added there will be excessive heat generated in the bearings and there may be leak age from the shaft seals We recommend a commercial oil such as Mobil D T E oil B B Tellus 41 or equal However a good grade of 30 or 40 ...

Страница 34: ...ng life is quite dependent on careful handling of a bearing when it is out of the housing and during the installation procedure Dirt and rough handling are prime enemies of precision bearings Bear ings should be pressed not hammered into place If heat is used to facilitate the installation a hot oil bath is the best method Bearings for grease lubrication should be hand packed with grease to ensure...

Страница 35: ...22 Shaft 119B Radial bearing retainer 332 Radial bearing seal 126 Shaft sleeve 123C Radial bearing slinger 228 Bearing frame 168C Radial bearing 361 Thrust bearing snap ring 136 Thrust bearing locknut Figure 14 J bearing 1J 4J 5 6 Maintenance of Bearings Model JC Installation Operation and Maintenance Instructions 33 ...

Страница 36: ...lustrations for specific thrust bearing configuration 5 Remove thrust bearing locknut 136 and lockwasher 382 6 Press or pull radial bearing 168C from shaft 122 Apply pulling force to inside bearing race only 7 Press or pull thrust bearing arrangement from shaft 122 For double row ball thrust bearing 112C apply pulling force to inside race only For two bearing thrust arrangement apply pulling force...

Страница 37: ...10mm 0 026mm 004 010 at G gap v From the feeler gauge measurement subtract 007 The resulting dimension is the thick ness of shims 331 at S gap vi Remove snap ring Pull housing 134A and install calculated shim pack 331 against hous ing shoulder Reinstall housing and snap ring 4 Heat radial bearing 168C in 82 C 180º F oil bath Slide radial bearing onto shaft 122 firmly against shaft shoulder Allow b...

Страница 38: ...arts 1 Suction Liner 100B 1 Impeller 101 1 Lantern Ring 105 5 Packing Rings 106 1 Thrust Bearing 112C 1 Shaft Sleeve 126 1 Radial Bearing 168C 1 Parts Kit see chart Parts Kit Chart Pump Size Kit Number 1 1 5 8 1 5 2 8 2 3 8 520101 1 1 5 11 1 5 2 11 2 3 11 520102 1 5 2 14 2 3 14 520103 3 4 11 520104 3 4 14 4 6 14 520105 6 6 14 HS 520106 6 6 14 LS 520107 8 10 18 520108 10 12 22 520109 Parts Kits inc...

Страница 39: ...rame 332 3 Grease Seal 351 1 1 Gasket 353 2 Stud Gland 355 2 Hex Nut 356A 2 Stud 361 1 Snap Ring 370C 4 H Cap Screw 370E 8 H Cap Screw 370J 8 H Cap Screw 382 1 Lockwasher 400 1 Key 408 1 Pipe Plug 412F 1 O Ring 415 4 Hex Jam Nut 496 1 O Ring 528J 2 Washer 353 528K 8 Washer 370E 528L 8 Washer 370j 528P 4 Washer 356A NOTICE 1 Buna N O Ring 496A replaces gasket 351 on sizes 6x6 14 and 8x10 18 2 Sleev...

Страница 40: ...gure 15 Model JC Sectional Assembly all sizes except 10x12 22 Grease Lube 1J 2J 3J 4J Bearings Figure 16 Grease lubrication Size 10x12 22 5J 6 3 JC sectional view 38 Model JC Installation Operation and Maintenance Instructions ...

Страница 41: ...ouldspumps com ITT Goulds Pumps Vertical Products Operation 240 Fall Street Seneca Falls NY 13148 USA 2021 ITT Inc or its wholly owned subsidiaries The original instruction is in English All non English instructions are translations of the original instruction Form IOM JC en US 2021 10 ...

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