Goulds-pumps 3796 i-FRAME - IOM Manual do Utilizador

Goulds PumpsInstallation, Operation, andMaintenance ManualModel 3796 i-FRAME

• Make sure that you have a clear path of retreat.• Make sure that the product cannot roll or fall over and injure people or damage property.• Make s

SCALE 0.1504. Check the frame-face runout by rotating the shaft so that the indicator measures the fit for 360º.If the total indicator reading is g

370B496B108360Dc) Install the dowel pins (469B) and bolts (370B). Tighten the bolts in a criss-cross pattern accordingto the specifications in the bol

333AINPRO labyrinth oil seal descriptionDescriptionThe INPRO VBXX-D Labyrinth Oil Seal consists of the rotor (1), the stator (2), and the VBX Ring (3)

NOTICE: The edges of the keyway can be sharp. Make sure to cover the keyway with tape. Failure todo so may result in cutting the O-ring and damaging

Seal the shaft with a packed stuffing boxWARNING:Packed stuffing boxes are not allowed in an ATEX-classified environment.Pumps are shipped without the

Refer to the Impeller clearance setting topic for more information.6. Tighten the setscrews in the seal locking ring in order to secure the seal to th

c) Install the shaft sleeve (126).412A1011262. Mark the shaft and sleeve at the face of the seal chamber.3. Continue the complete reassembly of the pu

370H184 b) Check the seal-chamber cover runout.Rotate the indicator through 360 degrees. If the total indicator reading is greater than 0.005 in.(0.1

412A1011262. Mark the shaft and sleeve at the face of the seal chamber.3. Continue the complete reassembly of the pump, except for the mechanical seal

1013. Loosen the clamp bolts (370C) and the jack bolts (370D).4. Measure the gap between the impeller (101) and the seal chamber and stuffing-box cove

General guidelinesATEX compliance is only fulfilled when the pump is operated within its intended use, for example withinits intended hydraulic range.

.030101For more information on how to set the impeller clearances, refer to the Impeller-clearance checks andImpeller-clearance setting sections in Co

Post-assembly checksPerform these checks after you assemble the pump, then continue with pump startup:• Rotate the shaft by hand in order to make sure

418351100418351340 1004. Install and then hand-tighten the casing bolts (370).Refer to the bolt torque values for information on how to tighten the ca

6. Reinstall the shims under the frame foot and tighten the frame foot to the baseplate.Make sure that you use the proper shim. Mount a dial indicator

Table 18: Maximum torque values in lb-ft (Nm) for casing boltsModels 3196, CV 3196 LF 3196, 3796 with 150 lb(68 kg) casing flangesModel HT 3196 and al

• Impeller O-ring (412A)• Bearing-housing O-ring (496)• Outboard labyrinth-seal rotary O-ring (497F)• Outboard labyrinth-seal stationary O-ring (497G)

Table 22: Lubricating-grease requirementsPumpage temperature less than350°F (177°C)Pumpage temperature greaterthan 350°F (177°C)NGLI consistency 2 3Mo

Item Number Size Description Quantity113 1/4"-18 NPT External hex/square headpipe plug2113A 1/2"-14 NPT External hex/square headpipe plug119

TroubleshootingOperation troubleshootingSymptom Cause RemedyThe pump is not deliveringliquid.The pump is not primed. Re-prime the pump and check that

Symptom Cause RemedyThere is excessive leakagefrom the stuffing box.The packing gland is not adjusted properly. Tighten the gland nuts.The stuffing bo

Equipment for monitoringFor additional safety, use condition-monitoring devices. Condition-monitoring devices include but are notlimited to these devi

i-ALERT™ Condition Monitor troubleshootingSymptom Cause RemedyThere are no green or red flashing LEDs. The battery is dead. Replace the condition moni

Parts Listings and Cross-SectionalDrawingsParts listTable 24: Construction material and quantityItem Quantity Part name Pump MaterialAll D.I. D.I. Wit

Item Quantity Part name Pump MaterialAll D.I. D.I. With316 SSimpellerAll 316SS AllCD4MCuAll Alloy 20360C 1 *** Gasket—Thrust End CoverBuna360D 1 Gaske

Item Quantity Part name Pump MaterialAll D.I. D.I. With316 SSimpellerAll 316SS AllCD4MCuAll Alloy 20497N 1 O-Ring Internal (outboard)Viton503 1 Adapte

Item Quantity Part name Pump MaterialAll 317SS All Monel All Nickel AllHastelloy CAllHastelloy B332A 1 Outboard Labyrinth Seal w/O-ringsBrass ASTM B50

Item Quantity Part name Pump MaterialAll 317SS All Monel All Nickel AllHastelloy CAllHastelloy B497F 1 O-Ring—Outboard Labyrinth RotorViton497G 1 O-Ri

Item Quantity Part name Pump Material (3196,HT 3196, CV 3196,3796)Pump Material (NM3196)Pump Material(3198)All Titanium Vinylester D.I./Teflon241 1 Fr

Item Quantity Part name Pump Material (3196,HT 3196, CV 3196,3796)Pump Material (NM3196)Pump Material(3198)All Titanium Vinylester D.I./Teflon428 1 Ga

Material Goulds materialcodeASTM Din ISO JIS317SS 1209 A744CG-8M 1.4448Hastelloy C 1215 A494 CW-6MCD4MCu 1216 A744CD4MCU 9.4460Hastelloy B 1217 A494 N

Eitherside100101412A370H184408418126333A497H469B168408A241408L319423B370D497G332A122400497F136382370C134496112228A372T761B113A370B360D497J370108351361

Certificates of conformanceCSA CertificateIntroduction and Safety (Continued)Model 3796 i-FRAME Installation, Operation, and Maintenance Manual 11

497F332A497G370C370D423134496136382112A361A400122370E241408A408L370B319408W113A372T761B408W408N408M 168AFigure 30: MTi bearing-frame exploded view497

555C555B551D494555B555CFigure 32: Finned-tube oil cooler exploded viewParts Listings and Cross-Sectional Drawings (Continued)Model 3796 i-FRAME Instal

Other Relevant Documentation or ManualsFor additional documentationFor any other relevant documentation or manuals, contact your ITT representative.Ot

How did we measure up?It is our sincere intention to exceed our customer’s expectations on every order. Tellus if we achieved our goal on your order.

Introduction and Safety (Continued)12 Model 3796 i-FRAME Installation, Operation, and Maintenance Manual

ATEX notificationIntroduction and Safety (Continued)Model 3796 i-FRAME Installation, Operation, and Maintenance Manual 13

IECEx Certificate of ConformityIntroduction and Safety (Continued)14 Model 3796 i-FRAME Installation, Operation, and Maintenance Manual

Introduction and Safety (Continued)Model 3796 i-FRAME Installation, Operation, and Maintenance Manual 15

Chinese Certificate of ConformityIntroduction and Safety (Continued)16 Model 3796 i-FRAME Installation, Operation, and Maintenance Manual

Transportation and StoragePump handlingWARNING:• Make sure that the pump cannot roll or fall over and injure people or damage property.• These pumps m

NOTICE: Do not use this lifting method to lift a Polyshield ANSI Combo with the pump and motormounted. Doing so may result in equipment damage.Figure

Pump storage requirementsStorage requirements depend on the amount of time that you store the pump. The normal packaging isdesigned only to protect th

Product DescriptionGeneral description 3796The 3796 is a horizontal overhung, self-priming, open impeller, centrifugal pump.This model is based on 3 p

Part description 379631963796HT 3196CV 3196LF 31963198NM 3196Casing Impeller Cover Power endFigure 6: 3796 part descriptionThis table describes the pu

CoverStandard seal• The 3796 is available with a stuffing-box cover designed for a packing and a BigBore or a TaperBorePLUS seal chamber.Optional seal

Variable LimitVibration 100% increase over the baseline levelBattery lifeThe i-ALERT Condition Monitor battery is not replaceable. You must replace th

Table 5: Explanation of nameplate on the pump casingNameplate field ExplanationIMPLR. DIA. Impeller diameter, in inchesMAX. DIA. Maximum impeller diam

Nameplate on the bearing frameTable 7: Explanation of the nameplate on the bearing frameNameplate field ExplanationMOD. Pump modelSIZE Size of the pu

InstallationPreinstallationPrecautionsWARNING:• When installing in a potentially explosive environment, make sure that the motor is properly certified

Foundation requirementsRequirements• The foundation must be able to absorb any type of vibration and form a permanent, rigid support forthe pump unit

Table of ContentsIntroduction and Safety...

Piping checklistsGeneral piping checklistPrecautionsCAUTION:• Never draw piping into place by using force at the flanged connections of the pump. Thi

Example: Installation for expansionCorrect Incorrect11. Expansion loop/jointSuction-piping checklistPerformance curve referenceSuction-piping checksCh

Liquid source below the pumpCheck Explanation/comment CheckedMake sure that the suction piping is free fromair pockets.This helps to prevent the occur

Example: Suction piping equipmentCorrect Incorrect123451. Suction pipe sloping upwards from liquid source2. Long-radius elbow3. Strainer4. Foot valve5

Example: Discharge piping equipmentCorrect Incorrect12341. Bypass line2. Shut-off valve3. Check valve4. Discharge isolation valve211. Check valve (inc

11. Shims or wedgesFigure 7: Top view11. Shims or wedgesFigure 8: Side view3. Lower the baseplate carefully onto the foundation bolts.4. Put the machi

d) Make sure that the center jackscrews do not touch the foundation surface yet.12341. Jackscrew2. Baseplate3. Foundation4. Plate3. Level the driver m

1234561. Driver's mounting pads2. Machinist's levels3. Foundation bolts4. Jackscrews5. Grout hole6. Pump's mounting pads6. Hand-tighten

12345671. Upper jam nut2. Follower3. Washer4. Foundation pads5. Spring6. Upper adjusting nut7. Spring studFigure 9: Example of an installed spring ass

123456781. Mounting plate2. Mounting nut3. Stilt bolt4. Foundation cups5. Washer6. Upper adjustment nut7. Mounting washer8. Mounting boltFigure 10: Ex

Impeller-clearance check...

Baseplate-leveling worksheet1234567891011121314151617181)____________________2)____________________3)____________________4)____________________5)_____

Install the pump, driver, and coupling1. Mount and fasten the pump on the baseplate. Use applicable bolts.2. Mount the driver on the baseplate. Use ap

When WhyPeriodically This follows the plant operating procedures.Permitted indicator values for alignment checksNOTICE: The specified permitted readin

a) Attach one indicator (P) so that the indicator rod comes into contact with the perimeter of thedriver coupling half (Y).This indicator is used to

1. Set the angular alignment indicator (A) to zero on left side of the driver coupling half (Y), 90° fromthe top-center position (9 o’clock).2. Rotat

YXShimsFigure 13: Side view of an incorrect vertical alignment4. Repeat the previous steps until the permitted reading value is achieved.Perform paral

2. Rotate the indicators through the top-center position to the right side, 180° from the start position(3 o’clock).3. Record the indicator readings.4

When you pour the grout, remove air bubbles from it by using one of these methods:• Puddle with a vibrator.• Pump the grout into place.5. Allow the gr

Commissioning, Startup, Operation, andShutdownPreparation for startupWARNING:• Failure to follow these precautions before you start the pump will lead

Driver3. Remove the nut, bolt, and washers from the driver half of the coupling guard.4. Remove the driver-side end plate.DriverDriver-side end plat

Bearing-housing inspection...

AnnularDriverDriver-side coupling guardgroove6. Remove the remaining nut, bolt, and washers from the pump half of the coupling guard.It is not neces

Check the rotationWARNING:• Operating the pump in reverse rotation can result in the contact of metal parts, heat generation, andbreach of containment

Impeller-clearance settingImportance of a proper impeller clearanceA proper impeller clearance ensures that the pump runs at high performance.WARNING

Refer to the impeller clearance table to determine the correct clearance.9. Tighten the bolts evenly in this order:a) Tighten the locking bolts (370C)

Couplings must have proper certification to be used in an ATEX classified environment. Use theinstructions from the coupling manufacturer in order to

1 234 1. Driver2. Pump end plate3. Bearing housing4. Jam nut3. Put the pump-half of the coupling guard in place:a) Slightly spread the bottom apart.

12341. Annular groove2. Pump-side end plate3. Driver4. Pump half of the coupling guardThe annular groove in the coupling guard half must fit around th

The annular groove in the coupling guard half must face the motor.AnnularDriverGuard halfgroove6. Place the driver-side end plate over the motor shaft

Slide to fitDriver10. Use a nut, a bolt, and two washers to secure the coupling guard halves together.11. Tighten all nuts on the guard assembly.WARNI

Temperature Oil requirementBearing temperatures exceed 180°F (82°C) Use ISO viscosity grade 100 with bearing-framecooling or finned-tube oil cooler. T

Introduction and SafetyIntroductionPurpose of this manualThe purpose of this manual is to provide necessary information for:• Installation• Operation

Shaft-sealing optionsIn most cases, the manufacturer seals the shaft before shipping the pump. If your pump does not have asealed shaft, see the Shaf

NOTICE:Make sure to lubricate the packing. Failure to do so may result in shortening the life of the packing and thepump.You must use an external sea

Start the pumpCAUTION:• Immediately observe the pressure gauges. If discharge pressure is not quickly attained, stop the driver,reprime, and attempt t

Magnet761BWhen the condition monitor is activated it:1. Displays a series of red LEDs followed by a solid green LED.2. Collects eight samples that are

Pump operation precautionsGeneral considerationsCAUTION:• Vary the capacity with the regulating valve in the discharge line. Never throttle the flow f

Deactivate the i-ALERT™ Condition MonitorNOTICE: Always deactivate the condition monitor when the pump is going to be shut down for anextended period

MaintenanceMaintenance scheduleMaintenance inspectionsA maintenance schedule includes these types of inspections:• Routine maintenance• Routine inspec

Bearing maintenanceThese bearing lubrication sections list different temperatures of the pumped fluid. If the pump is ATEX-certified and the tempera

Regrease the grease-lubricated bearingsNOTICE:Make sure that the grease container, the greasing device, and the fittings are clean. Failure to do this

Bearing temperature Type of greaseExceed 350°F (177°C) Use a high-temperature grease. Mineral-oil greasesshould have oxidation stabilizers and a cons

LimitationsThe warranty does not cover faults caused by these situations:• Deficient maintenance• Improper installation• Modifications or changes to t

Packed stuffing-box maintenanceWARNING:• Packed stuffing boxes are not allowed in an ATEX-classified environment.• Never attempt to replace the packin

• Induction heater• Leveling blocks and shims• Lifting sling• Micrometer• Rubber mallet• Screwdriver• Snap-ring pliers• Torque wrench with sockets• Wr

1. Is your bearing frame oil lubricated?• If No: Proceed to step 2.• If Yes:1. Remove the bearing-frame drain plug (408A) in order to drain oil from t

2. Does your pump use a C-face adapter?• If Yes: Place one sling from the hoist through the frame adapter (108) or frame (228A) for the STiand a secon

Clean surfaces prevent the casing gasket from partially adhering to the casing due to binders andadhesives in the gasket material.Remove the coupling

4. Repeat step 3 until the impeller becomes loose.5. Remove and discard the impeller O-ring (412A).You will insert a new O-ring during reassembly.412A

5. Remove the rotary portion of the seal from the sleeve by loosening the setscrews and sliding it off thesleeve.Refer to the mechanical-seal instruc

1051841065. Remove the packing (106) and lantern ring (105) from the stuffing-box cover (184).A lantern ring does not come with self-lubricating graph

3. Remove the shaft assembly from the bearing frame (228A).228A134370D423370C4. Remove the jack screws (370D) with nuts (423).5. Remove the bearing ho

NOTICE: Use force only on the inner race when you press bearings off the shaft. Do not use forcein situations in which you might break a part. Doing

Hazard levelsHazard level IndicationDANGER: A hazardous situation which, if not avoided, willresult in death or serious injuryWARNING: A hazardous s

134236A496253B370D4235. Remove the bearing housing O-ring (496).6. Remove the clamp ring screws (236A) and separate the clamp ring (253B) from the bea

11. Remove the outboard labyrinth oil seal (332A) from the bearing housing (134).Remove the O-rings (497F and 497G) if it is necessary. Labyrinth oil

253B168A112A4961347. Remove the bearing housing O-ring (496) and the inboard bearing (168A).122168A248A112A136382253B8. Remove the bearing locknut (13

• oil-fill plug (113A)• oil-drain plug (408A)• sight-oiler plug (408J)• four oil mist/grease connection plugs (408H)• oil-cooler inlet and outlet plug

2. Loosen the bolts attached to the bearing-frame flange and remove the C-face adapter from thebearing frame.Pre-assembly inspectionsGuidelinesBefore

Gaskets, O-rings, and seats replacement• Replace all gaskets and O-rings at each overhaul and disassembly.• Inspect the seats. They must be smooth and

Surface inspection locationsThis figure shows the areas to inspect for wear on the bearing frame outside surface.228Figure 19: Outside surface inspect

Seal chamber and stuffing box cover inspectionChecklistPerform these checks when you inspect the seal chamber and stuffing box cover:• Make sure that

444Figure 24: Dynamic-seal backplate184Figure 25: TaperBoreTM PlusBearings inspectionCondition of bearingsDo not reuse bearings. The condition of th

Bearing-housing inspectionChecklist• Inspect the bearing-housing (134) bore according to the bearing fits and tolerances table.• Replace the bearing h

Reference for electrical installationFor electrical installation requirements, consult your local electric utility.User health and safetySafety equipm

Bearing fits and tolerancesThis table references the bearing fits and tolerances according to the ABEC I standard.Table 13: Bearing fits and tolerance

d) Install the sight oiler plug (408J).e) Install the plug for the oil-cooler inlet (408L).f) Install the plug for the oil-cooler outlet (408M).g) Ins

168361A1221123821369. Prepare the shaft for assembly as follows (see the illustration):a) Install a new O-ring (496).b) Coat the outside of the outbo

134370D423228A370CAssemble the rotating element and the bearing frame ( STi and MTi withduplex bearings)CAUTION:• Wear insulated gloves when you use a

319408N408A241370F408N408W372T113A408W408M761B2. Install the outboard bearings (112A) on the shaft (122).The regreasable bearing has a single shield.

122168A253B382136112A9. Install the bearing housing as follows (see the illustration):a) Coat the outside of the outboard bearing (112A) with oil.b)

a) Coat the outside of the bearing housing (134) with oil.b) Coat all the internal surfaces of the bearing frame (228) with oil.c) Install the shaft

Make sure that the orientation of the bearing-clamp ring is correct.4. Install outboard bearings (112A) on shaft (122).The regreasable bearing has a s

13411. Prepare the shaft for assembly as follows (see the illustration):a) Fasten the clamp-ring bolts (236A) crosswise.See the specified torque value

Assemble the frame1. Support the frame assembly in a horizontal position.2. Check the shaft-end play by moving the shaft forward and backward by hand,