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Figure 3: Concrete foundation

Figure 4: Wedge placement

4.

Disconnect coupling between pump and driver.

NOTICE:

Spider-insert couplings, as shown in

Figure 5: Spider-insert coupling on page 12

, need not be

disconnected.

Figure 5: Spider-insert coupling

5.

By adjustment of wedges, bring the bedplate to an approximate level and provide the proper dis-
tance above the foundation for grouting (¾" to 1-1/2"). Level or plumb the suction and discharge
flanges. Bring pump and motor shafts into reasonable alignment making absolutely certain that
motor shaft is not a sufficient thickness of shims under the motor feet to allow for adjustment dur-
ing alignment.

6.

Tighten foundation bolts, but only finger tight. Maintain the level of the bedplate.

NOTICE:

Final tightening is done after pump is grouted and grout has set at least 48 hours.

7.

Build wood dam around foundation as shown in

Figure 3: Concrete foundation on page 12

, and

thoroughly wet top surface of foundation. Pour grout in hole provided in top of bedplate. Use of
non-shrink grout is recommended. Grout should be thin enough to flow out under the bedplate
but not so wet that sand and cement will separate. Grout should be puddled continuously as it is

2.4 Installation - horizontal pumps

12

Model 3415 Installation, Operation, and Maintenance Manual

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Содержание Goulds Pumps 3415

Страница 1: ...Installation Operation and Maintenance Manual Model 3415 ...

Страница 2: ......

Страница 3: ... Driver bearings and coupling 23 3 1 2 Stuffing boxes 23 3 1 3 Connection of sealing liquid or grease lubricator packed box 24 3 1 4 Connection of cooling water piping 25 3 1 5 Connection of drain pipping 26 3 1 6 Connection of equalizing piping 26 3 1 7 Impeller adjustment 26 4 Starting Pump 27 4 1 Checking for free turning 27 4 2 Regulation of cooling and flushing liquids 27 4 3 Priming 27 4 4 I...

Страница 4: ...atures 47 7 2 Bearing inspection 47 7 3 Cleaning of bearings 47 7 4 Bearing removal 48 7 5 Ball bearing installation 48 8 Trouble Checklist 50 8 1 Trouble Check list 50 9 Ordering of Spare Parts 53 9 1 Spare parts 53 9 2 Instructions for ordering spare parts 54 10 Parts Listings and Cross Sectional Drawings 55 10 1 Sectional View and Parts List 55 11 Local ITT Contacts 58 Table of Contents 2 Model...

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 reinforcement...

Страница 6: ...ates 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 possibi...

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: ...lectrical 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 o...

Страница 11: ...e the equipment and contact your ITT Goulds Pumps sales representative before proceeding The CE and the Ex designate the ATEX compliance The code below reads as follows II Group 2 2 Category 2 G D Gas and Dust present T4 Temperature class can be T1 to T6 see Table The code classification marked on the equipment must be in accordance with the specified area where the equipment will be installed If ...

Страница 12: ...nstruction book for the pump are included in the shipment Do not discard Handling Care should be used in moving pumps Pumps should not be hoisted by eyebolts These eyebolts are used for removing upper half casings or back pull out assemblies for maintenance and inspection Bedplate mounted units should be slung under bedplate under pump and driver 2 2 Location Pumping unit should be placed as close...

Страница 13: ...at four points 90 degrees apart See Figure 2 Alignment using straight edge on page 11 When the straight edge rests evenly at all four points the coupling is aligned Figure 2 Alignment using straight edge The machined faces of the motor support and motor will provide angular alignment However any foreign material or burrs on the surface will destroy this alignment Make sure surfaces are clean and s...

Страница 14: ...not a sufficient thickness of shims under the motor feet to allow for adjustment dur ing alignment 6 Tighten foundation bolts but only finger tight Maintain the level of the bedplate NOTICE Final tightening is done after pump is grouted and grout has set at least 48 hours 7 Build wood dam around foundation as shown in Figure 3 Concrete foundation on page 12 and thoroughly wet top surface of founda...

Страница 15: ...ounted flush with the shaft ends If instructions are not available the following procedure may be used The procedure is given for two ba sic coupling types 1 Flexible Coupling Normally furnished on all units except back pull out Normally not assembled except spider insert type which are pre assembled 2 Flexible Spacer Coupling Furnished as standard on all back pull out units Contains a remova ble ...

Страница 16: ...emperature Above Am bient Temperature Set Motor Shaft Ambient 002 004 Low 100ºF 000 002 High 200ºF 004 006 High 300ºF 008 010 High 400ºF 012 014 High 500ºF 016 018 High To check the parallel alignment 1 Flexible Couplings Place a straight edge across both coupling hubs at four points 90 degrees apart The unit will be in parallel alignment when the straight edge rests evenly on both halves See Figu...

Страница 17: ...ignment is achieved See Figure 10 Dial indicator on page 15 Figure 10 Dial indicator Angular alignment Unit is in angular misalignment when the shaft axes arc concentric but not parallel Shim unit as re quired 1 Flexible Couplings The normal gap distance between coupling halves is approximately 1 8 However the coupling manufacturer s instructions should be followed Insert a feeler or taper gauge a...

Страница 18: ...s this may impose dangerous strains on the unit and cause misalignment between pump and driver 2 The piping both suction and discharge should be as short and direct as possible Avoid all un necessary elbows bends and fittings as they increase the friction losses in the piping The size of pipe and fittings should be carefully selected and of sufficient size to keep the friction losses as low as pra...

Страница 19: ...d suction piping is of extreme importance for trouble free centrifugal pump operation 1 Use of elbows dose to the pump suction flange should be avoided Where used elbows should be long radius On double suction pumps if an elbow must be used at the pump suction flange it must be in a vertical position only If an elbow must be in other than a vertical position it is permissible only providing there ...

Страница 20: ...ure 17 on page 18 is recommended Figure 17 Suction piping design for large pumps Large units taking their suction supply from sumps require special attention A properly designed sump is a must The larger the unit the more important these considerations become A 3000 GPM pump should be considered a large unit The following sketches will show the preferred pipe arrangement within the sump Pipe shoul...

Страница 21: ... inlet velocities and submergence the height of the water above the pump inlet are two additional factors that must be considered These fac tors vary so greatly with the size and capacities of the individual pumps and systems that past experi ence or good reference should be relied upon in arriving at these values 2 7 Piping suction Model 3415 Installation Operation and Maintenance Manual 19 ...

Страница 22: ...tely submerged below the liquid surface at the source of sup ply 2 8 Piping discharge 1 Gate and check valves should be installed in the discharge line The check valve should be locat ed between the gate valve and pump to permit inspection of the check valve The gate valve is required for priming regulation of flow and for inspection and maintenance of the pump The check valve is required to preve...

Страница 23: ...ow the manufacturers instructions Spider Insert type couplings are pre assem bled If a coupling guard is furnished with the unit make sure it is securely fastened 2 11 Connection of coupling Model 3415 Installation Operation and Maintenance Manual 21 ...

Страница 24: ...e oiler housing Oil reservoir in bearing housing is filled when oil level remains in the bottle Several fillings will be required Never fill through the oil vent or through the oiler without use of the bottle Grease lubrication Grease lubricated pumps can be identified by the grease fittings located on the bearing housing Suffi cient lubricant is inserted at the factory for 2 000 hours of operatio...

Страница 25: ...outside stuffing box Stuffing box packing is furnished in the box of fittings which accompanies the pump When packing the stuffing box refer to 10 1 Sectional View and Parts List on page 55 for the arrangement of packing rings and lantern ring Depending upon the particular pump and or application the lantern ring may be in the middle or bottom of the stuffing box incorporated in another part or no...

Страница 26: ...anical seals When mechanical seals are furnished the description and identification is indicated on the order write ups which are a part of the order acknowledgement dimension print and the packing list Separate seal manufacturer s installation drawings are attached to the pump The seals are installed and adjusted at the factory The manufacturer s drawings should be filed for future use in maintai...

Страница 27: ...lant supply lines to regulate the flow Stuffing boxes Some units are equipped with cooling jackets around the stuffing box as standard It is optional on vari ous other models Coolant lines are connected in the same manner as the bearing cooling lines Casing pedestals O water cooled pedestals are available Connection of coolant lines is made in the same manner as above some models Mechanical seals ...

Страница 28: ... with a tapped opening Check the assembly dimension print for size and location 3 1 6 Connection of equalizing piping Some multi stage pumps have equalizing piping to equalize pressure on the stuffing boxes see Section al view 10 1 Sectional View and Parts List on page 55 This piping is in the box of fittings which accom panies the pump The ends of the piping must be connected to the openings in e...

Страница 29: ...es should be checked periodically to see that they have not become clogged 4 3 Priming The pump must always be fully primed and the suction pipe full of liquid before pump is started If pump is run dry the rotating parts within the pump may seize to the stationary parts since they depend upon the liquid being pumped for lubrication Several different methods of priming can be used depending upon th...

Страница 30: ...e supply Close discharge gate valve open air vent valves and open valve in priming supply line until all air is expelled and water issues from vent openings Close air vent valves close valve in priming supply line and start pump then open discharge gate valve Figure 23 Priming with foot valve 2 By separate hand or manually controlled priming pump Close discharge gate valve keep air vent valves clo...

Страница 31: ...s can be left open in which event during idle periods loss through foot valve is con stantly replenished from discharge line This system is used for automatic operation where idle periods are of short duration and there is no danger of exhausting all liquid from discharge line due to leaky foot valve The foot valve must be capable of withstanding static head pressure of the system Priming by eject...

Страница 32: ...keep the system primed Figure 27 4 4 Initial inspection after starting Packed box With pump running at rated speed the stuffing box gland can be adjusted Draw gland nuts up evenly and only 1 6 of a turn at a time allowing sufficient time between adjustments for the packing to adjust itself and the effect on the leakage to be observed If any sign of heating is evident shut down the pump and allow t...

Страница 33: ...t Make sure motor switch is locked out to prevent accidental rotation after a minute or two retighten foot bolts Repeat each alignment procedure outlined in 2 5 Alignment procedures on page 13 Reconnect coupling Check final alignment after approximately one week of operation 4 6 Doweling Some units do not require doweling since lock washers are furnished which hold the pump and driver feet securel...

Страница 34: ... be given a turn or two every 100 hours of operation 4 Stuffing boxes with mechanical seal This type of box requires no attention other than to make sure that the circulating lines do not become clogged 5 2 Operating at reduced capacities Do not operate a centrifugal pump at greatly reduced capacities or with discharge gate valve closed be cause the energy required to drive the pump is converted i...

Страница 35: ...y to persist arrangements should be made to either manually or automatically throttle the discharge valve to build up head to a safe point 5 4 Operating with surge conditions in line If a pump is installed with a quick closing valve in discharge line that closes when pump is running dan gerous pressure surges may be built up that can cause damage to the pump or line In services of this kind some c...

Страница 36: ...iler location 1 Before installing the oiler on the bearing housing check the oiler adjustment 2 Install oilers 3 Fill each oiler bottle with oil and replace the oiler housing Oil reservoir in bearing housing is filled when oil remains visible in the bottle Several fillings of the bottle will be required Never fill through the oil vent or the oiler without use of the bottle Sleeve bearings with a b...

Страница 37: ...disassembly proceed as follows a Shut off all valves controlling flow to and from pump b Drain liquid from pump Casing drain plugs are located on bottom of casing c Disconnect all auxiliary tubing and piping d Disconnect coupling e If the unit is oil lubricated remove oil drain plugs from bottom of bearing housings and drain oil Re place plugs after draining f Remove glands from casing If unit has...

Страница 38: ... cover on outboard end of pump Preserve gasket 2 Loosen set screws in dust covers and slide covers away from bearings 3 Remove top half bearing adapters and bearing shells Match mark shells and adapters as they must be replace on the same end and in the same position during reassembly 4 Rotate lower bearing shells and adapters to top of shaft and remove Oil rings must be lifted slightly to allow r...

Страница 39: ...ller as shown in 7 4 Bearing removal on page 48 Figure 43 Bearing puller for units with bearing housings that slide off bearings on page 48 Care must be taken to prevent damage to bearings Never use a hammer to drive shaft through beatings Protect bearings from con tamination b 6 Remove ball bearings using a bearing puller as shown in 7 4 Bearing removal on page 48 Figure 43 Bearing puller for uni...

Страница 40: ...uffing box bushing can be left on sleeve until sleeve is removed If unit has packed stuffing boxes remove packing lantern rings and stuffing box bushings 10 Loosen set screws in shaft sleeve nuts Using a spanner or strap wrench remove sleeve nuts One nut has right hand threads the other left hand threads Nuts tighten against pump rotation Preserve O rings 11 Smooth shaft with fine emery cloth so s...

Страница 41: ... desired pumping temperature 3 The pressure value shown at that temperature is the maximum working pressure of the pump and mating pipe flange combination Pump Size Pump Casing Material Minimum Acceptable Standard Mating Flanges Code Discharge Suction 6 x 10 22 10 x 12 22 12 x 14 18 Cast Iron or Bronze 250 PSI Flat Face Cast Iron or 300 PSI Flat Face Bronze or Steel 125 PSI Cast Iron 150 PSI Flat ...

Страница 42: ...tion them in sleeves and sleeve nuts 2 Wearing rings The original clearance between the impeller and the casing wearing rings is shown in Table 3 Impeller and Wearing Ring Clearance on page 41 Clearance between casing wearing rings and optional impeller wearing rings is also shown When hydraulic performance is reduced substantially the casing rings should be replaced 6 5 Inspection and Overhaul 40...

Страница 43: ... 030 oversize and must turned to size after mounting on impeller See Table 3 Impeller and Wearing Ring Clearance on page 41 for dimensions Table 3 Impeller and Wearing Ring Clearance Material Dimen sion Pump Size 8x10 22 12x14 1 8 14x16 1 8 16x18 1 8 10x12 2 2 14x16 2 2 16x18 2 2H 18x20 2 2 Dimensions below in inches Iron and Bronze A 8 989 8 987 10 753 10 751 12 236 12 233 13 986 19 983 10 238 10...

Страница 44: ...vanes 2 Excessive wear on wearing surfaces If the impeller diameter has to be cut it should be dynamically balanced Imbalance can be corrected by grinding on the outside of the shrouds near the periphery 7 Shaft sleeve The sleeve surface in the stuffing box area must be smooth and free of grooves If grooved replace O ring groove in end of sleeve must be in good condition The original diametric cle...

Страница 45: ...n on the sleeve and fasten securely Check seal manufacturer s drawing for proper position Carefully slide mechanical seal glands with stationary seats and gaskets in place on shaft If unit has packing slide the lantern rings on sleeves 6 This step contains instructions for the installation of bearings Select the appropriate procedure as you did previously in the Disassembly instructions and follow...

Страница 46: ...rting use a driving sleeve such as the one shown in 7 5 Ball bearing installation on page 48 to firmly seat the bearing a 3 Slide oil ring sleeve on shaft against bear ings Place lock washer and bearing lock nuts on shaft and firmly tighten Bend tangs on washers into slots in lock nuts b 3 Place loch washer and bearing lock nut on out board end of shaft and firmly tighten Bend tang on washer into ...

Страница 47: ... or hot oil bath until the hub reaches 300ºF Slide the hub on the shaft until it is positioned in the same location as it was originally It should line up with the mark scribed on the shaft during assembly Use caution when handling hot coupling hub Use of gloves is recommended 8 Clean all seats in both lower and upper half casing 9 Slide the casing wearing rings onto the impeller Make sure that th...

Страница 48: ...ment procedures on page 13 Connect cou pling 17 Lubricate pump bearings as described in 6 1 Lubrication on page 34 for starting and operating procedures 18 Connect all auxiliary piping 19 Follow directions in Starting Pump for starting and operating procedures 6 7 Emergency ball bearing replacement If the outboard end ball bearing needs replacement and it is not desirable to overhaul the entire pu...

Страница 49: ...ngs Sleeve bearings should be inspected to determine if any deep scratches or gouges other than oil grooves are present The babbitted surfaces should also be free of high or low spots Unless these surfaces are completely smooth they should be replaced if they cannot be scraped in 7 3 Cleaning of bearings The life of a bearing can be drastically reduced if contaminated with even a small amount of d...

Страница 50: ...ot dame the end of the shaft Figure 43 Bearing puller for units with bearing housings that slide off bearings 2 Sleeve bearings After the bearing shells have been removed a bearing puller such as shown in Figure 43 Bear ing puller for units with bearing housings that slide off bearings on page 48 should be used to remove the ball bearing The puller bar must be square with the end of the shaft at a...

Страница 51: ...uld be used The sleeve should contact the inner race of the bearing only The bearing should be pressed or driven until it contacts the shoulder x Duplex thrust bearings must be mounted in the proper position as described in 6 6 Reassembly on page 42 Figure 44 7 5 Ball bearing installation Model 3415 Installation Operation and Maintenance Manual 49 ...

Страница 52: ...mp not primed casing and suction pipe not completely filled with liquid 2 Speed too low 3 Discharge head higher than anticipated Check system head particularly friction loss 4 Suction lift too high suction pipe may be too small or long causing excessive friction loss Check with vacuum or compound gauge 5 Impeller or suction pipe or opening partially plugged 6 Wrong direction of rotation or impelle...

Страница 53: ... or compound gauge 7 Impeller plugged 8 Obstruction in suction or discharge line 9 Casing gaskets damaged Pump takes too much power 1 Speed too high 2 Head lower than rating pumps too much water 3 Liquid heavier than anticipated Check viscosity and specific gravity 4 Mechanical defects Shaft bent Rotating element binds Stuffing box too tight Impeller clearance too great 5 Wrong direction of rotati...

Страница 54: ...misaligned High bearing temperature Refer to 7 1 Bearing Temperatures on page 47 1 Pump and driver misalignment 2 Pump capacity too low 3 Improper lubrication 4 Excessive vibration 5 Bent shaft 6 Rotating element binds 8 1 Trouble Check list 52 Model 3415 Installation Operation and Maintenance Manual ...

Страница 55: ... pull out end suction pumps 1 Back pull out assembly this is a group of assembled parts which includes all parts except the casing and coupling 2 Stuffing box packing if any one set 3 Stuffing box gland packing if any one set 4 Mechanical seal if any one With these parts on hand pump can be easily and quickly reconditioned be replacing the worn parts An alternate though not as desirable as that st...

Страница 56: ... if the following directions are followed 1 Give model number size of the pump and serial number These can be obtained from the name plate 2 Write plainly the names part numbers and materials of the parts required These names and numbers should agree with those on the Sectional view in 10 1 Sectional View and Parts List on page 55 3 Give the number of parts required 4 Give complete shipping instru...

Страница 57: ...nd Cross Sectional Drawings 10 1 Sectional View and Parts List Figure 45 Parts list and materials of construction 10 Parts Listings and Cross Sectional Drawings Model 3415 Installation Operation and Maintenance Manual 55 ...

Страница 58: ...ng coupling end Steel 139 1 Dust cover 1000 142 2 Wearing ring impeller 1103 1000 1103 316 147 1 Shaft sleeve nut left hand 1106 1000 1106 316 148 1 Shaft sleeve nut right hand 1106 1000 1106 316 160 2 Bearing end cover inboard 1000 161 2 Oil thrower 1000 178 1 Impeller key AISI 303 210 2 Gland packing Lubricated non Asbestos 229 4 Swing bolt not shown Steel AISI 303 251 2 Constant level oiler not...

Страница 59: ...110 135 Stuffing box Stuffing box depth to stuffing box bushing 5 Stuffing box packing size 4 5 8 Stuffing box number of pack ing rings 5 5 Width of lantern ring 1 1 4 1 1 4 Shaft Shaft dia at impeller 3 1 4 3 3 4 Shaft dia in shaft sleeve 3 1 4 3 3 4 Shaft dia coupling end 2 1 4 2 3 4 Outside dia of shaft sleeve 3 3 4 4 3 8 General Ball bearing coupling end MRC 3125 MRC 3155 Ball bearing thrust e...

Страница 60: ...11 Local ITT Contacts 11 Local ITT Contacts 58 Model 3415 Installation Operation and Maintenance Manual ...

Страница 61: ... more information http www gouldspumps com Goulds Pumps Inc 240 Fall Street Seneca Falls NY 13148 USA 2021 ITT Corporation The original instruction is in English All non English instructions are translations of the original instruction Form IOM 3415 en US 2021 09 ...

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