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ITT GOULDS PUMPS 3393 Installation, Operation And Maintenance Manual

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Installation, Operation, and
Maintenance Manual
Model 3393

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Summary of Contents for ITT GOULDS PUMPS 3393

  • Page 1 Installation, Operation, and Maintenance Manual Model 3393...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents 1 Introduction and Safety ............................ 4 1.1 Introduction..............................4 1.1.1 Requesting other information ......................4 1.2 Safety ................................ 4 1.2.1 Safety terminology and symbols ..................... 5 1.2.2 Environmental safety........................6 1.2.3 User safety ............................6 1.3 Safety regulations for Ex-approved products in potentially explosive atmospheres .........
  • Page 4 Table of Contents 4.6.1 General piping checklist ........................ 35 4.6.2 Suction-piping checklist......................... 37 4.6.3 Discharge piping checklist......................39 4.6.4 Auxiliary-piping checklist ....................... 40 4.6.5 Final piping checklist ........................40 5 Commissioning, Startup, Operation, and Shutdown ................... 41 5.1 Preparation for startup..........................41 5.2 Remove the coupling guard ........................
  • Page 5 Table of Contents 6.7 Reassembly............................. 87 6.7.1 Preliminary work..........................87 6.7.2 Assembly of suction end bearing ....................87 6.7.3 Assembly of discharge end bearing ..................... 91 6.7.4 Assembly of mechanical seal - end and radial suction pumps............93 6.7.5 Assembly of the balance drum rotor and stator - end and radial suction pumps ......94 6.7.6 Assembly of complete pump ......................

  • Page 6: Introduction And Safety

    For instructions, situations, or events that are not consid- ered in this manual or in the sales documents, please contact the nearest ITT representative. Always specify the exact product type and identification code when requesting technical information or spare parts.

  • Page 7: Safety Terminology And Symbols

    Risk of injury and/or property damage. Operating a pump in an inappropriate application can cause over pressurization, overheating, and/or unstable operation. Do not change the service application without the approval of an authorized ITT representative. 1.2.1 Safety terminology and symbols...

  • Page 8: Environmental Safety

    WARNING: If the product has been contaminated in any way, such as from toxic chemicals or nuclear radi- ation, do NOT send the product to ITT until it has been properly decontaminated and advise ITT of these conditions before returning.
  • Page 9 1.2 Safety • Always keep the work area clean. • Pay attention to the risks presented by gas and vapors in the work area. • Avoid all electrical dangers. Pay attention to the risks of electric shock or arc flash hazards. •...

  • Page 10: Safety Regulations For Ex-Approved Products In Potentially Explosive Atmospheres

    ITT disclaims all responsibility for work done by untrained and unauthorized personnel. These are the personnel requirements for Ex-approved products in potentially explosive atmospheres: • All work on the product must be carried out by certified electricians and ITT-authorized mechanics. Special rules apply to installations in explosive atmospheres. •...

  • Page 11: Product Warranty

    All service and repair work is done by ITT-authorized personnel. • Genuine ITT parts are used. • Only Ex-approved spare parts and accessories authorized by ITT are used in Ex-approved prod- ucts. Limitations The warranty does not cover faults caused by these situations: •...
  • Page 12 1.4 Product warranty • Economic losses Warranty claim ITT products are high-quality products with expected reliable operation and long life. However, should the need arise for a warranty claim, then contact your ITT representative. Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 13: Transportation And Storage

    2 Transportation and Storage 2 Transportation and Storage 2.1 Inspect the delivery 2.1.1 Inspect the package Inspect the package for damaged or missing items upon delivery. Note any damaged or missing items on the receipt and freight bill. File a claim with the shipping company if anything is out of order. If the product has been picked up at a distributor, make a claim directly to the distributor.
  • Page 14 2.2 Transportation guidelines • Lifting and handling heavy equipment poses a crush hazard. Use caution during lifting and handling and wear appropriate Personal Protective Equipment (PPE, such as steel- toed shoes, gloves, etc.) at all times. Seek assistance if necessary. •...
  • Page 15 2.2 Transportation guidelines Figure 1: Example of the proper lifting method for a bare pump Baseplate-mounted units have lifting points for use with proper lifting devices. Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 16: Storage Guidelines

    2.3 Storage guidelines Figure 2: Example of the proper lifting method for baseplate-mounted units 2.3 Storage guidelines 2.3.1 Long-term storage If the unit is stored for more than 6 months, these requirements apply: • Store in a covered and dry location. •...
  • Page 17 2.3 Storage guidelines For questions about possible long-term storage treatment services, please contact your local ITT sales representative. Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 18: Product Description

    3 Product Description 3 Product Description 3.1 General description The Model 3393 is a radially split, segmented casing, multistage pump with these characteristics: • Modular interstage components • Varying numbers of stages, hydraulics, materials, and configurations • Multiple suction nozzle and discharge nozzle orientations. •...

  • Page 19: Pump Description

    3.2 Pump description Flange ratings Flange Options Suction ANSI B16.5 150 lb RF / ISO 7005-1 PN 20 ANSI B16.5 300 lb RF / ISO 7005-1 PN 50 EN 1092-1 PN 40 Discharge EN 1092-1 PN 63 ANSI B16.5 600 lb RF / ISO 7005-1 PN 110 EN 1092-1 PN 100 ANSI B16.5 900 lb RF / ISO 7005-1 PN 150 (12 Chrome casing only)

  • Page 20: General Description I-Alert®2 Equipment Condition Monitor

    - and - resources/literature/ IOMs, http://i-alert.com or your local ITT Goulds Pumps Sales Rep. 3.4 Nameplate information Important information for ordering Every pump has a nameplate that provides information about the pump. The nameplate is located on the pump casing.
  • Page 21 3.4 Nameplate information • Size • Serial number • Item numbers of the required parts Item numbers can be found in the spare parts list. Nameplate types Nameplate Description Pump casing Provides information about the hydraulic characteristics of the pump. Pump The formula for the pump size is: Discharge x Suction - Nominal Maximum Impeller Diameter in inches.
  • Page 22 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 23: Installation

    Electrical connections must be made by certified electricians in compliance with all inter- national, national, state and local regulations. • Supervision by an authorized ITT representative is recommended to ensure proper instal- lation. Improper installation may result in equipment damage or decreased performance. 4.1.1 Pump location guidelines...

  • Page 24: Foundation Requirements

    4.1 Pre-installation 4.1.2 Foundation requirements Requirements • Provide a flat, substantial concrete foundation in order to prevent strain and distortion when you tighten the foundation bolts. Sleeve-type bolts Item Description Baseplate Shims Foundation Sleeve Bolt Figure 9: Sleeve type bolts J-type bolts Item Description Baseplate...

  • Page 25: Baseplate-Mounting Procedures

    4.2 Baseplate-mounting procedures 4.2 Baseplate-mounting procedures 4.2.1 Prepare the baseplate for mounting Remove all the attached equipment from the baseplate. Clean the underside of the baseplate completely. If applicable, coat the underside of the baseplate with an epoxy primer. Use an epoxy primer only if using an epoxy-based grout. Remove the rust-proofing coat from the machined mounting pads using an appropriate solvent.
  • Page 26 4.2 Baseplate-mounting procedures Item Description Jackscrew Baseplate Foundation Plate Figure 11: Jackscrews Level the driver mounting pads: NOTICE: Remove all dirt from the mounting pads in order to ensure that the correct leveling is achieved. Failure to do so can result in equipment damage or decreased performance. Put one machinist's level lengthwise on one of the two pads.

  • Page 27: Baseplate-Leveling Worksheet

    4.2 Baseplate-mounting procedures 4.2.4 Baseplate-leveling worksheet Level measurements 1)____________________ 2)____________________ 3)____________________ 4)____________________ 5)____________________ 6)____________________ 7)____________________ 8)____________________ 9)____________________ 10)___________________ 11)___________________ 12)___________________ 13)___________________ 14)___________________ 15)___________________ 16)___________________ 17)___________________ 18)___________________ Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 28: Install The Pump, Driver And Coupling

    4.3 Install the pump, driver and coupling 4.3 Install the pump, driver and coupling Mount and fasten the pump on the baseplate. Use applicable bolts. NOTICE: Two tapered dowel pins are provided in case there is a need to provide repeatable location be- tween the pump and base plate.

  • Page 29: Pump-To-Driver Alignment

    4.4 Pump-to-driver alignment 4.4 Pump-to-driver alignment Precautions WARNING: • Failure to disconnect and lock out driver power may result in serious physical injury or death. Always disconnect and lock out power to the driver before performing any installa- tion or maintenance tasks. •...

  • Page 30: Alignment Checks

    4.4 Pump-to-driver alignment Follow the instructions from the equipment manufacturer when you use the reverse dial indicator or laser methods. Detailed instructions for using the dial indicator method are contained in this chapter. 4.4.1 Alignment checks When to perform alignment checks You must perform alignment checks under these circumstances: •...

  • Page 31: Alignment Measurement Guidelines

    4.4 Pump-to-driver alignment Table 2: Pump operating temperature for 2.5x4-8 and 2.5x5-8 Motor Temperature Rise Metric units (mm) English units (inches) 150-204 <38 38-93 C 94-149 <100 100-200 201-300 301-400 0.11 0.00 -0.23 -0.46 0.004 0.000 -0.009 -0.018 C | 104 0.15 0.04 -0.19...

  • Page 32: Perform Angular Alignment For A Vertical Correction

    4.4 Pump-to-driver alignment This indicator is used to measure parallel misalignment. Attach the other indicator (A) so that the indicator rod comes into contact with the inner end of the driver coupling half. This indicator is used to measure angular misalignment. Figure 12: Dial indicator attachment Rotate the pump coupling half (X) in order to check that the indicators are in contact with the driver coupling half (Y) but do not bottom out.

  • Page 33: Perform Angular Alignment For A Horizontal Correction

    4.4 Pump-to-driver alignment Item Description Shims Figure 13: Example of incorrect vertical alignment (side view) Repeat the previous steps until the permitted reading value is achieved. 4.4.6 Perform angular alignment for a horizontal correction Set the angular alignment indicator (A) to zero on left side of the driver coupling half (Y), 90° from the top-center position (9 o’clock).

  • Page 34: Perform Parallel Alignment For A Horizontal Correction

    The specified permitted reading values are valid only at operating temperature. For cold set- tings, other values are permitted. The correct tolerances must be used. Failure to do so can result in misalignment. Contact ITT for further information. 4.4.8 Perform parallel alignment for a horizontal correction Refer to the alignment table in "Permitted indicator values for alignment checks"...

  • Page 35: Perform Complete Alignment For A Vertical Correction

    4.5 Grout the baseplate Slide the driver carefully in the appropriate direction. NOTICE: Make sure to slide the driver evenly. Failure to do so can negatively affect horizontal angular correction. Figure 16: Example of incorrect horizontal alignment (top view) Repeat the previous steps until the permitted reading value is achieved. 4.4.9 Perform complete alignment for a vertical correction A unit is in complete alignment when both the angular indicator (A) and the parallel indicator (P) do not vary by more than 0.05 mm | 0.002 in.
  • Page 36 4.5 Grout the baseplate Clean all the areas of the baseplate that will come into contact with the grout. Build a dam around the foundation. Thoroughly wet the foundation that will come into contact with the grout. Pour grout through the grout hole into the baseplate up to the level of the dam. When you pour the grout, remove air bubbles from it by using one of these methods: •...

  • Page 37: Piping Checklists

    4.6 Piping checklists Item Description Baseplate Foundation Sleeve Bolt Grout Figure 18: Fill remainder of baseplate with grout Remove the leveling jackscrews after the grout hardens in order to remove any stress points. Tighten the foundation bolts. Recheck the alignment. 4.6 Piping checklists 4.6.1 General piping checklist Precautions...
  • Page 38 4.6 Piping checklists CAUTION: Do not move the pump to the pipe. This could make final alignment impossible. CAUTION: Never draw piping into place at the flanged connections of the pump. This can impose danger- ous strains on the unit and cause misalignment between the pump and driver. Pipe strain ad- versely affects the operation of the pump, which results in physical injury and damage to the equipment.

  • Page 39: Suction-Piping Checklist

    4.6 Piping checklists Check Explanation/comment Checked Do not connect the piping to the — pump until: • The grout for the baseplate or sub-base becomes hard. • The grout for the pit cover be- comes hard. • The hold-down bolts for the pump are tightened.
  • Page 40 4.6 Piping checklists Check Explanation/comment Checked Check that elbows in general do not have This minimizes the risk of cavitation in the suction in- sharp bends. let of the pump due to turbulence. — Check that the suction piping is one or two The suction piping must never have a smaller diame- sizes larger than the suction inlet of the ter than the suction inlet of the pump.

  • Page 41: Discharge Piping Checklist

    4.6 Piping checklists Liquid source above the pump Check Explanation/comment Checked Check that an isolation valve is installed in This permits you to close the line during pump inspec- the suction piping at a distance of at least tion and maintenance. two times the pipe diameter from the suc- Do not use the isolation valve to throttle the pump.

  • Page 42: Auxiliary-Piping Checklist

    4.6 Piping checklists 4.6.4 Auxiliary-piping checklist Precautions NOTICE: Auxiliary cooling and flush systems must be operating properly to prevent excess heat genera- tion, sparks, and/or premature failure. Ensure auxiliary piping is installed as specified on the pump data sheet prior to startup. When to install You may need to install auxiliary piping for mechanical seal flush or other special features supplied with the pump.

  • Page 43: Commissioning, Startup, Operation, And Shutdown

    5 Commissioning, Startup, Operation, and Shutdown 5 Commissioning, Startup, Operation, and Shutdown 5.1 Preparation for startup When installing in a potentially explosive environment, ensure that the motor is properly certified. WARNING: • Risk of serious physical injury or death. Exceeding any of the pump operating limits (e.g. - pressure, temperature, power, etc.) could result in equipment failure, such as explosion, seizure, or breach of containment.
  • Page 44 5.1 Preparation for startup • Failure to disconnect and lock out driver power may result in serious physical injury or death. Always disconnect and lock out power to the driver before performing any installation or maintenance tasks. • Electrical connections must be made by certified electricians in compliance with all international, national, state, and local rules.

  • Page 45: Remove The Coupling Guard

    5.2 Remove the coupling guard Variable Speed Operation If the 3393 is to be run with a variable speed drive, please confirm that the application has been ap- proved by the factory. Variable speed operation is limited to 2700 to 3600 rpm unless a lateral critical speed analysis has been conducted by the factory and the speed range has been approved for opera- tion.

  • Page 46: Check The Rotation

    5.3 Check the rotation Remove the screws (4) that attach the bottom half (part 2) of the coupling guard to the bearing cov- er (1). Bearing cover Coupling Motor Screws Remove the bottom half (part 2) of the coupling guard. 5.3 Check the rotation WARNING: •...

  • Page 47: Couple The Pump And Driver

    5.4 Couple the pump and driver Lock out power to the driver. Make sure that the coupling hubs are fastened securely to the shafts. Make sure that the coupling spacer is removed. The pump ships with the coupling spacer removed. Unlock power to the driver.

  • Page 48: Coupling Guard Assembly

    5.4 Couple the pump and driver 1/2 x .XX 1/2 x .XX Sleeve bearing Thrust collar Coupling Figure 19: Driver shaft centering Use the instructions from the coupling manufacturer to lubricate and install the coupling. Check the angular and parallel alignment of the coupling halves. See Pump-to-driver alignment in the Installation chapter.
  • Page 49 5.4 Couple the pump and driver Item Description Item Description End plate, drive end 3/8-16 nut, 3 required End plate, pump end 3/8 in. washer Guard half, 2 required 3/8-16 x 2 in. hex head bolt, 3 required Figure 20: Required parts 5.4.1.1 Install the coupling guard WARNING: •...
  • Page 50 5.4 Couple the pump and driver Place the coupling guard half over the pump-side end plate. Item Description Annular groove Pump-side end plate Driver Pump half of the coupling guard Figure 21: Guard half installation The annular groove in the coupling guard half must fit around the end plate. Item Description Annular groove End plate (pump end)

  • Page 51: Bearing Lubrication

    5.5 Bearing lubrication Item Description Washer Bolt Figure 23: Secure coupling guard half to end plate Put the driver half of the coupling guard in place: Slightly spread the bottom apart. Place the driver half of the coupling guard over the pump half of the coupling guard. The annular groove in the coupling guard half must face the motor.

  • Page 52: Oil Volumes

    5.5 Bearing lubrication Pumps are shipped without oil You must lubricate oil-lubricated bearings at the job site. Flood oil lubrication Flood oil-lubricated bearings are standard. Bearing housings are supplied with constant-level oilers and sight glasses. If the oiler can be accessed easily from either side of the bearing frame, the recommenda- tion is to install it on the side of the bearing frame that the rotation of the shaft would push the oil toward.

  • Page 53: Purge Oil Mist

    5.6 Shaft sealing with a mechanical seal NOTICE: Do not fill the oil reservoir of the bearing frame through the plug at the top. Check that the oil level is correct. The correct oil level is centered in the bullseye sight glass, when the pump is not in operation.

  • Page 54: Connection Of Sealing Liquid For Mechanical Seals

    Cartridge seals installed by the user require disengagement of the hold- ing clips prior to operation, allowing the seal to slide into place. If the seal has been installed in the pump by ITT, these clips have already been disengaged. 5.7 Connection of sealing liquid for mechanical seals The mechanical seal must have an appropriate seal flush system.

  • Page 55: Prime The Pump With The Suction Supply Above The Pump

    5.8 Prime the pump with the suction supply above the pump 5.8 Prime the pump with the suction supply above the pump NOTICE: If temperatures of the pumped fluid will exceed 200°F (93°C), then warm up the pump prior to operation.

  • Page 56: Activate The I-Alert® Health Monitor

    The health monitor is ready for activation when the pump is running and has reached a steady flow, pres- sure, and temperature. This process only takes a few minutes. Place a small magnet on the health monitor over the ITT logo and then remove it, as this example shows.

  • Page 57: I-Alert®2 Equipment Health Monitor

    5.11 i-ALERT®2 Equipment Health Monitor ® Figure 25: i-ALERT Health monitor activation When the condition monitor is activated it: Displays a series of red LEDs followed by a solid green LED. Collects eight samples that are spaced one second apart. Averages these readings to establish the baseline vibration level.

  • Page 58: Shut Down The Pump

    5.13 Shut down the pump Operation at reduced capacity WARNING: • Risk of breach of containment and equipment damage. Excessive vibration levels can cause damage to bearings, stuffing box, seal chamber, and/or mechanical seal. Observe pump for vibration levels, bearing temperature, and excessive noise. If normal levels are exceeded, shut down and resolve.

  • Page 59: Reset The I-Alert®2 Health Monitor

    Failure to do so may result in false baseline levels that could cause the health monitor to alert in error. Touch a magnet to the health monitor over the ITT logo to turn the power on. The health monitor begins to establish a new baseline vibration level.
  • Page 60 5.16 Make the final alignment of the pump and driver responsibility of the installer and the user of the unit. Check the alignment of all drive components prior to operating the unit. • Follow the coupling installation and operation procedures from the coupling manu- facturer.

  • Page 61: Maintenance

    6 Maintenance 6 Maintenance 6.1 Maintenance precautions WARNING: • Risk of serious personal injury. Applying heat to impellers, propellers, or their retaining devices can cause trapped liquid to rapidly expand and result in a violent explosion. This manual clearly identifies accepted methods for disassembling units. These methods must be adhered to.

  • Page 62: Bearing Maintenance

    6.3 Bearing maintenance These bearing lubrication sections list different temperatures of the pumped fluid. If the pump is ATEX-certified and the temperature of the pumped fluid exceeds the permitted temperature values, then consult your ITT representative. 6.4 Bearing replacement •...

  • Page 63: Maintenance Of Bearings

    6.4 Bearing replacement • If parts or half-open pumps are to be stored for any length of time, they must be protected from dirt and corrosion. 6.4.1 Maintenance of Bearings OIL LUBRICATED BEARINGS WARNING: Dropping, rolling or tipping units, or applying other shock loads, can cause property damage and/or personal injury.

  • Page 64: Mechanical-Seal Maintenance

    Cartridge seals installed by the user require disengagement of the hold- ing clips prior to operation, allowing the seal to slide into place. If the seal has been installed in the pump by ITT, these clips have already been disengaged. Before you start the pump Check the seal and all flush piping.

  • Page 65: Required Tools

    6.5 Disassembly manual clearly identifies accepted methods for disassembling units. These methods must be adhered to. Never apply heat to aid in their removal unless explicitly stated in this manual. • Handling heavy equipment poses a crush hazard. Use caution during handling and wear appropriate Personal Protective Equipment (PPE, such as steel-toed shoes, gloves, etc.) at all times.

  • Page 66: Disassembly Of Suction End Bearing

    6.5 Disassembly Disconnect coupling. Unbolt the pump from the piping system and baseplate and remove pump from baseplate. Drain oil from the bearing housing(s) before inverting the pump. 6.5.5 Disassembly of suction end bearing 6.5.5.1 End suction pump - item 117 (sleeve bearing) See relevant sectional drawing NOTICE: It is not recommended to remove the product lube bearing (197A) unless it is worn or dam-...
  • Page 67 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 68 6.5 Disassembly 6.5.5.2 Radial suction pump - item 112 (ball bearing) See relevant sectional drawing. NOTICE: The sump cover (119A) is generally not removed. If it must be removed, remove screws 371S and remove cover. The cover has a sealant between it and the bearing housing. Clean this off carefully.
  • Page 69 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 70: Disassembly Of Discharge End Bearing

    6.5 Disassembly 6.5.6 Disassembly of discharge end bearing 6.5.6.1 End and radial suction pumps - item 409 (ball bearing) Make sure that there is adequate access around the pump for inspection and maintenance. Pump must be properly secured and stable before working on it. Remove coupling halves.

  • Page 71: Disassembly Of The Mechanical Seal - End And Radial Suction Pumps

    6.5 Disassembly 6.5.7 Disassembly of the mechanical seal - end and radial suction pumps Mechanical seals are located on the suction side (RS configuration) and discharge side (RS and ES con- figurations). Mechanical seals are cartridge type seals and these instructions refer to cartridge seals. If other seals are used, refer to the seal manufacturer's instructions.

  • Page 72: Disassembly Of The Balance Drum Rotor And Stator - End And Radial Suction Pumps

    6.5 Disassembly 357K 356Y 6.5.8 Disassembly of the balance drum rotor and stator - end and radial suction pumps Make sure that there is adequate access around the pump for inspection and maintenance. Pump must be properly secured and stable before working on it. Remove the thrust end bearing housing as noted in instructions for removal of the thrust bearing (item 409).
  • Page 73 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 74: Disassembly Of Complete Pump

    6.5 Disassembly 6.5.9 Disassembly of complete pump 6.5.9.1 End suction pump See relevant sectional drawing. To dismantle the whole pump for maintenance work, place it in a vertical position with the suction nozzle facing upwards. It is important that the pump is secured and stable and supported without damaging the bearing housing.
  • Page 75 6.5 Disassembly WARNING: Dropping, rolling or tipping units, or applying other shock loads, can cause property damage and/or personal injury. Ensure that the unit is properly supported and secure during lifting and handling. NOTICE: The pump must be dismantled and assembled in the vertical position. Loosen tie rod nuts (357F) at both ends and remove tie rods (356J).
  • Page 76 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 77 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 78 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 79 6.5 Disassembly 6.5.9.2 Radial suction pump See relevant sectional drawing. To dismantle the whole pump for maintenance work, place it in a vertical position with the suction nozzle facing upwards. It is important that the pump is secured and stable and supported without damaging the bearing housing.
  • Page 80 6.5 Disassembly 17. Unscrew cap screws (371C) and confirm that the bearing housing cover (119) is free to move. 18. Remove bearing housing (228C). 19. Remove the bearing housing cover o-ring (412). Do not reuse the o-ring. 20. Bend back the lock washer tab (382) and remove bearing nut (136A) and lock washer (382). 21.
  • Page 81 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 82 6.5 Disassembly Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 83: Guidelines For I-Alert®2 Equipment Health Monitor Disposal

    6.6 Pre-assembly inspections ® 6.5.10 Guidelines for i-ALERT 2 Equipment Health Monitor disposal Precautions WARNING: • Explosive hazard and risk of personal injury. Heating to high temperatures could cause combustion of the condition monitor. Never heat the condition monitor to temperatures in excess of 149°C | 300°F or dispose of in a fire.

  • Page 84: Preassembly Inspections

    6.6 Pre-assembly inspections 6.6.1 Preassembly inspections Replacement guidelines Casing check and replacement Inspect the casing and diffusers for cracks and excessive wear or pitting. Thoroughly clean o-ring surfa- ces and alignment fits to remove corrosion and debris. Repair or replace these parts if you notice any of these conditions: •...
  • Page 85 6.6 Pre-assembly inspections Impeller replacement This table shows the criteria for replacing the impeller: Impeller Parts When to Replace Impeller vanes • When grooved deeper than 1/16 in. (1.6 mm), • When worn evenly more than 1/32 in. (0.8 mm) Vane edges When you see cracks, pitting, or corrosion damage Wear ring surfaces...
  • Page 86 6.6 Pre-assembly inspections Do not attempt to balance impellers to this criteria unless this type of tooling and equipment is available. Impeller areas to inspect A. Shroud B. Wear Ring (if supplied) C. Vane Balance drum areas to inspect Balance drum surfaces must be smooth and free of grooves and scratches, especially in the areas indi- cated by arrows in the figure.
  • Page 87 6.6 Pre-assembly inspections • Inspect the seats. They must be smooth and free of physical defects • Replace parts if the seats are defective. Additional parts Inspect and either repair or replace all other parts, if inspection indicates continued use would be harmful to satisfactory and safe pump operation.
  • Page 88 6.6 Pre-assembly inspections Perform these checks when you inspect the old bearings: • Inspect the bearings for contamination and damage. • Note any lubricant condition and residue. • Inspect the ball bearings to see if they are loose, rough, or noisy when you rotate them. •...

  • Page 89: Reassembly

    6.7 Reassembly a. Thoroughly clean the wear ring seats and make sure they are smooth and free of scratches. b. Chill the new wear rings (103) using dry ice or other suitable chilling substance and install the rings into the fit of the suction casing (100S) and the diffusers (100H). Use Loctite 635 between the casing and casing wear ring.
  • Page 90 6.7 Reassembly difference between the bore and the sleeve, the easier it will be to insert the bearing sleeve. An as- sembly fixture that can aid in this portion of the assembly can be made or can be purchased from Goulds.
  • Page 91 6.7 Reassembly 6.7.2.2 Radial suction pump - item 112 (ball bearing) Clean and lubricate the fitting surfaces between the bearing bracket (228C) and discharge casing 110D). Position the bearing cover (119) with the bearing isolator (333A) over the shaft. Verify that the bearing spacer (157) is in place against the shaft shoulder. Preheat the new bearing (112) (max.
  • Page 92 6.7 Reassembly Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 93: Assembly Of Discharge End Bearing

    6.7 Reassembly 6.7.3 Assembly of discharge end bearing 6.7.3.1 End and radial suction pump - item 409 (ball bearing) Clean and lubricate the fitting surfaces between the bearing bracket (228C) and discharge casing 110D). Position the bearing cover (119) with the bearing isolator (333A) over the shaft. Verify that the bearing spacer (157) is in place against the shaft shoulder.
  • Page 94 6.7 Reassembly 14. Connect flush piping to gland. 15. Refit the seal guards (499). Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 95: Assembly Of Mechanical Seal - End And Radial Suction Pumps

    6.7 Reassembly 6.7.4 Assembly of mechanical seal - end and radial suction pumps Mechanical seals are cartridge type seals and these instructions refer to cartridge seals. If other seals are used, refer to the seal manufacturer's instructions. Lubricate the shaft with the assembly lubricant provided with the mechanical seal (383). Slide seal over shaft and into position.

  • Page 96: Assembly Of The Balance Drum Rotor And Stator - End And Radial Suction Pumps

    6.7 Reassembly 6.7.5 Assembly of the balance drum rotor and stator - end and radial suction pumps NOTICE: Take care not to damage the shaft (122) during reassembly. Replace balance drum stator (300A) and balance drum stator o-ring (496U). Replace balance drum rotor (300) and balance drum rotor o-ring (4112X). Balance drum rotor must be rotated approximately 30º...
  • Page 97 6.7 Reassembly Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 98: Assembly Of Complete Pump

    6.7 Reassembly 6.7.6 Assembly of complete pump 6.7.6.1 End and radial suction configuration common assembly procedures See "End Suction Configuration" or "Radial Suction Configuration" below for steps specific to end or radial suction configuration. See Appendix B for running clearances See relevant sectional drawing.
  • Page 99 6.7 Reassembly • First stage impeller may be different than remaining impellers • Any trimmed impellers are to be located at the discharge end of the pump • Ensure suction and discharge casings are in the proper orientation • Follow torqueing instructions and sequence and assembly checks in Appendix D. Place balance drum stator (300A) and balance drum stator o-ring (496U) in the discharge casing.
  • Page 100 6.7 Reassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 101 6.7 Reassembly Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 102 6.7 Reassembly 10. Preheat the new bearing (409) (max. 230°F) and slide onto the shaft (122) in a back to back ar- rangement. Replace bearing lock washer (382) and bearing nut (136A). 12. Allow the bearings (409) to cool to room temperature. 13.
  • Page 103 6.7 Reassembly The drain hole in the isolator must be at bottom dead center when the pump is in the horizontal po- sition. Use Loctite® thread sealant 5699 or equal when installing the cap screws. 17. Replace cooling fan (392). 18.
  • Page 104 6.7 Reassembly 6.7.6.2 End Suction Configuration First, complete the steps in "End and radial suction configuration common assembly procedures" before completing the steps below. Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 105 6.7 Reassembly Clean the fitting surfaces between the bearing sleeve (197A) and suction casing (100S). Coat the casing bearing bore and the outside of the stationary bearing (197A) with Loctite 635. Insert bearing sleeve (197A) and tolerance ring (505D) into the casing sleeve retainer. Use care. This can be facilitated by placing the bearing sleeve in a freezer for approximately one hour and heating the suction casing with hot water.
  • Page 106 6.7 Reassembly 6.7.6.3 Radial Suction Configuration First, complete the steps in "End and radial suction configuration common assembly procedures" before completing the steps below. Replace suction casing (100S) and align with shaft. Install tie rods through the tie rod holes in the suction casing and secure them to the discharge cas- ing by threading them into the casing using the flats on the tie rods to screw them into the discharge casing or by using the tie rod nuts (357F) and tie rod washers (437A).
  • Page 107 6.7 Reassembly See Appendix A for correct torque values and Appendix D for correct torqueing sequence. Install seal chamber studs (356Y) in radial suction casing. Replace mechanical seal and gland as noted in instructions for assembly of mechanical seal. Preheat the new bearing (112) (max. 230°F) and slide onto the shaft (122). Make sure bearing housing cover (119), inboard bearing isolator (333A) and bearing housing cover o-ring (412) are in place on the shaft before installing the bearing.

  • Page 108: Attach The I-Alert®2 Equipment Health Monitor To The Pump

    6.7 Reassembly ® 6.7.7 Attach the i-ALERT 2 Equipment Health Monitor to the pump Tools required: • 5/32 inch hex wrench Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 109 6.7 Reassembly Attach the condition monitor (761B) to the bearing frame using the hex-head screw (372T) provided. 372T 761B 228A Figure 27: Attaching the condition monitor to bearing the frame Tighten the hex-head screw to 8 Nm | 6 ft-lbs. More detailed information is available on: http://www.ittproservices.com/aftermarket-products/monitoring/i-alert2/i-ALERT2.com Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 110: Troubleshooting

    7 Troubleshooting 7 Troubleshooting 7.1 Alignment troubleshooting Symptom Cause Remedy Horizontal (side-to-side) alignment The driver feet are bolt- Loosen the pump's hold-down bolts, and slide the cannot be obtained (angular or bound. pump and driver until you achieve horizontal align- parallel).
  • Page 111 7.3 Operation troubleshooting Symptom Cause Remedy Air is being sucked into the pipes. Increase the liquid level. Check that the suction pipe is vacuum- tight. Provide valves and fittings in the suction pipe with water seal. The direction of rotation is wrong. Change the motor rotation.
  • Page 112 7.3 Operation troubleshooting Symptom Cause Remedy Air is being sucked into the pipes. Increase the liquid level. Check that the suction pipe is vacuum- tight. Provide valves and fittings in the suction pipe with water seal. The direction of rotation is wrong. Change the motor rotation.
  • Page 113 7.3 Operation troubleshooting Symptom Cause Remedy The inner components are suffering Replace the worn parts. from wear. Forces in the pipeline are too high and Change the position of the support pipes the pump is under strain. and use compensators. Check that the foundation plate and frame are properly cast and in place.
  • Page 114 7.3 Operation troubleshooting Symptom Cause Remedy Compare the speed of the motor with the specified pump speed. See the rating plate. When you adjust the speed (frequency transformer), check the reference value setting. The inner components are suffering Replace the worn parts. from wear.
  • Page 115 7.3 Operation troubleshooting Symptom Cause Remedy Check that the foundation plate and frame are properly cast and in place. There is not enough sealing. Tighten the screws. Replace the mechanical seal. Model 3393 Installation, Operation, and Maintenance Manual...

  • Page 116: Parts Listings And Cross-Sectionals

    8 Parts Listings and Cross-Sectionals 8 Parts Listings and Cross-Sectionals 8.1 Parts Figure 28: Radial Suction Pump Model 3393 Installation, Operation, and Maintenance Manual...
  • Page 117 8.1 Parts Figure 29: End Suction Pump Table 7: Parts List Item Number Description Quantity 100B 1st Stage Remachine for Plan 11 takeoff (optional) 100D Casing (Discharge) 100G Diffuser Stage Casing stage dependent 100H Diffuser Final Stage Casing 100S Casing (Suction) 100X Casing (Destaging and Takeoff - Optional) stage dependent...
  • Page 118 8.1 Parts Item Number Description Quantity Ball Bearing (Radial) 113A Breather 1 ES / 2 RS Bearing Sleeve (End Suction Only) Cover (Bearing Housing) 1 ES / 2 RS 119A Cover (Bearing Housing Sump) 1 ES / 2 RS Shaft Foot 136A Bearing Lock Nut...
  • Page 119 8.1 Parts Item Number Description Quantity 412K O Ring (Diffuser Stage Casing) stage dependent 412X O Ring (Balance Drum) Cap Screw (Bearing Housing Jacking) Screw (Shaft Guard - Optional) 2 ES / 4 RS Nut (Bearing Housing to Suction/Discharge Casing) 8 ES / 16 RS 437A Washer (Tie Rod)

  • Page 120: Appendix

    9 Appendix 9 Appendix 9.1 Torque Values Appendix A Item # Part Description Fasten- Carbon Steel Stainless Pump Size er Size Class 8.8 Tor- Steel Class 70 Torque ft-lbs N-m ft-lbs N-m 2.5x4.8 4x5-10 5x6-11 6x8-13 2.5x5-8 4x6-10 5x8-11 6x10-13 356A Stud / Nut Bearing M16x2...

  • Page 121: Running Clearances

    9.2 Running clearances 9.2 Running clearances Appendix B Table 8: English Units (inches) Metric Units (mm) Diametric Clear- 2.5x4-8 4x5-10 5x6-11 6x8-13 2.5x4-8 4x5-10 5x6-11 6x8-13 ance Impeller or Wear Ring Normal 0.012 0.013 0.014 0.015 0.30 0.33 0.35 0.38 to Casing Wear Ring Replace 0.024...

  • Page 122: Tie-Rod Torque Specifications And Procedure

    9.4 Tie-Rod Torque Specifications and Procedure Forces (N) Moments (Nm) Vertical 1423 1156 1779 2535 1328 1003 1802 nozzle 1957 1601 2446 3514 1816 1382 2466 perpendic- 2491 2046 3114 4492 2304 1179 1762 3130 ular to the 3781 3114 4893 6939 3523...
  • Page 123 9.4 Tie-Rod Torque Specifications and Procedure Model Size (mm) English units Metric units 5x6-11 (125) 30x3.5 6x8-13 (150) 36x4 1324 Mark casings as shown below and apply torque values in this sequence or as noted in the instructions below. NOTICE: Check torqueing tools to ensure the calibration dates are current;...
  • Page 124 9.4 Tie-Rod Torque Specifications and Procedure NOTICE: End suction pumps will only have a reading on the discharge side. 12. Using a torque wrench, torque the tie rod nuts in the following three increments using the sequence shown in Figure above: a. 100 ft-lb. b. 50% of full torque (if applicable). c. 100% of full torque. Table 13: English Units Metric Units...
  • Page 125 Visit our website for the latest version of this document and more information: http://www.gouldspumps.com Goulds Pumps 240 Fall Street Seneca Falls, NY Form IOM.3393.en-US.2020-08 ©2020 ITT Corporation The original instruction is in English. All non-English instructions are translations of the original instruction.

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