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ITT GOULDS PUMPS 3296 EZMAG Installation, Operation And Maintenance Manual

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Installation, Operation, and
Maintenance Manual
Model 3296 EZMAG

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Summary of Contents for ITT GOULDS PUMPS 3296 EZMAG

  • Page 1 Installation, Operation, and Maintenance Manual Model 3296 EZMAG...

  • 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 1.2.4 Safety regulations for Ex-approved products in potentially explosive atmospheres .......
  • Page 4 Table of Contents 5 Commissioning, Startup, Operation, and Shutdown ................... 37 5.1 Preparation for startup..........................37 5.2 Remove the coupling guard ........................38 5.3 Check the rotation ........................... 40 5.4 Check the rotation - Close Coupled ......................40 5.5 Couple the pump and driver ........................40 5.5.1 Install the coupling guard ......................
  • Page 5 8.8 Spare and repair parts..........................91 8.9 Interchangeability drawings........................92 9 Other Relevant Documentation or Manuals....................94 9.1 Condensed power monitor ........................94 10 Local ITT Contacts ............................97 10.1 Regional offices............................. 97 Model 3296 EZMAG Installation, Operation, and Maintenance Manual...

  • 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 • Helmet • Safety goggles, preferably with side shields • Protective shoes • Protective gloves • Gas mask • Hearing protection • First-aid kit • Safety devices Electrical connections Electrical connections must be made by certified electricians in compliance with all international, nation- al, state, and local regulations.

  • 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 mechan- ics. 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: Spare Parts

    1.3 Product warranty 1.3.1 Spare parts ITT guarantees that spare parts will be available for 10 years after the manufacture of this product has been discontinued. Model 3296 EZMAG 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 Table 1: Methods Pump type Lifting method A bare pump without lifting handles Use a suitable sling attached properly to solid points like the casing, the flang- es, or the frames. A base-mounted pump Use slings under the pump casing and the drive unit, or under the base rails. Examples Figure 1: Proper lifting method for a bare pump Figure 2: Proper lifting method for a pump with a base and driver...

  • Page 15: Storage Guidelines

    You can purchase long-term storage treatment with the initial unit order or you can purchase it and apply it after the units are already in the field. Contact your local ITT sales representative. Model 3296 EZMAG Installation, Operation, and Maintenance Manual...

  • Page 16: Product Description

    3 Product Description 3 Product Description 3.1 General description Model 3296 EZMAG The Model 3296 EZMAG is a sealless centrifugal pump with an enclosed impeller that is driven by a syn- chronous magnetic coupling. Model 3296 EZMAG meets the dimensional standards of ANSI B73.1. Casing The casing is top centerline discharge and is self-venting.
  • Page 17 3.2 Nameplate information When you order spare parts, identify this pump information: • Model • Size • Serial number • Item numbers of the required parts Item numbers can be found in the spare parts list. Refer to the nameplate on the pump casing for most of the information. See Parts List for item numbers. Nameplate types Nameplate Description...
  • Page 18 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 19: Installation

    • Supervision by an authorized ITT representative is recommended to ensure proper instal- lation. Improper installation may result in equipment damage or decreased performance. Evaluate the installation in order to determine that the Net Positive Suction Head Available (NPSH...

  • Page 20: Foundation Requirements

    4.1 Pre-installation 4.1.2 Foundation requirements Requirements • The location and size of the foundation bolt holes must match those shown on the assembly draw- ing provided with the pump data package. • Provide a flat, substantial concrete foundation in order to prevent strain and distortion when you tighten the foundation bolts.

  • Page 21: 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 22: Install The Baseplate Using Jackscrews

    4.2 Baseplate-mounting procedures 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. Level the baseplate both lengthwise and across by adding or removing shims or moving the wedg- These are the leveling tolerances: •...
  • Page 23 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 24 4.2 Baseplate-mounting procedures Turn the center jackscrews down so that they rest on their plates on the foundation surface. Level the pump 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.

  • Page 25: 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 3296 EZMAG Installation, Operation, and Maintenance Manual...

  • Page 26: Pump-To-Driver Alignment

    4.3 Pump-to-driver alignment 4.3 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 27: Permitted Indicator Values For Alignment Checks

    The correct tolerances must be used. Failure to do so can result in misalignment. Contact ITT for further information. When dial indicators are used to check the final alignment, the pump and drive unit are correctly aligned when these conditions are true: •...

  • Page 28: Pump-To-Driver Alignment Instructions

    4.3 Pump-to-driver alignment 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 14: 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 29 4.3 Pump-to-driver alignment Repeat the previous steps until the permitted reading value is achieved. 4.3.5.2 Perform angular alignment for a horizontal correction Before you start this procedure, make sure that the dial indicators are properly attached for measure- ment. 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 30 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. 4.3.5.4 Perform parallel alignment for a horizontal correction Refer to the alignment table in "Permitted indicator values for alignment checks"...

  • Page 31: Grout The Baseplate

    4.4 Grout the baseplate Figure 18: Top view of an incorrect horizontal alignment Repeat the previous steps until the permitted reading value is achieved. 4.3.5.5 Perform complete alignment for a vertical correction Before you start this procedure, make sure that the dial indicators are properly attached for measure- ment.

  • Page 32: Piping Checklists

    4.5 Piping checklists 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: • Puddle with a vibrator. •...
  • Page 33 4.5 Piping checklists • Risk of serious personal injury or property damage. Fasteners such as bolts and nuts are critical to the safe and reliable operation of the product. Ensure appropriate use of fasten- ers during installation or reassembly of the unit. •...

  • Page 34: Suction-Piping Checklist

    4.5 Piping checklists Check Explanation/comment Checked This helps to prevent misalignment due to linear expansion of the piping. Example: Installation for expansion Correct Incorrect This illustration shows a correct installation for expan- This illustration shows an incorrect installation for expan- sion: sion: Expansion loop/joint...
  • Page 35 4.5 Piping checklists Check Explanation/comment Checked 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. pump.
  • Page 36 4.5 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 37: Discharge Piping Checklist

    4.5 Piping checklists Example: Suction piping equipment Correct Incorrect Suction pipe sloping upwards from liquid source Air pocket, because the eccentric reducer is not used and because the suction piping does not Long-radius elbow slope gradually upward from the liquid source Strainer Foot valve Eccentric reducer with a level top...

  • Page 38: Final Piping Checklist

    4.5 Piping checklists Check Explanation/comment Checked If quick-closing valves are installed in the This protects the pump from surges and water hammer. system, check that cushioning devices are used. Example: Discharge piping equipment Correct Incorrect Check valve (incorrect position) Bypass line The isolation valve should not be positioned be- Shut-off valve tween the check valve and the pump.

  • Page 39: Commissioning, Startup, Operation, And Shutdown

    5 Commissioning, Startup, Operation, and Shutdown 5 Commissioning, Startup, Operation, and Shutdown 5.1 Preparation for startup 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 40: Remove The Coupling Guard

    5.2 Remove the coupling guard seal or shaft sleeve damage by ensuring that the seal is properly installed and centered on the sleeve. NOTICE: • Verify the driver settings before you start any pump. Refer to the applicable drive equip- ment IOMs and operating procedures.
  • Page 41 5.2 Remove the coupling guard Item Description Annular groove Driver half of the coupling guard Driver Remove the remaining nut, bolt, and washers from the pump half of the coupling guard. It is not necessary to remove the end plate from the pump side of the bearing housing. You can access the bearing-housing tap bolts without removing this end plate if maintenance of internal pump parts is necessary.

  • Page 42: Check The Rotation

    5.3 Check the rotation 5.3 Check the rotation WARNING: • Starting the pump in reverse rotation can result in the contact of metal parts, heat genera- tion, and breach of containment. Ensure correct driver settings prior to starting any pump. •...

  • Page 43: Install The Coupling Guard

    5.5 Couple the pump and driver • Electrical connections must be made by certified electricians in compliance with all inter- national, national, state, and local rules. • Refer to driver/coupling/gear manufacturer's installation and operation manuals (IOM) for specific instructions and recommendations. Couplings must have proper certification to be used in an ATEX classified environment.
  • Page 44 5.5 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 De-energize the motor, place the motor in a locked-out position, and place a caution tag at the start- er that indicates the disconnect.
  • Page 45 5.5 Couple the pump and driver XLT-X Description Driver Pump end plate Bearing housing Jam nut Put the pump-half of the coupling guard in place: Slightly spread the bottom apart. Place the coupling guard half over the pump-side end plate. Item Description Annular groove Pump-side end plate...
  • Page 46 5.5 Couple the pump and driver Item Description Annular groove End plate (pump end) Guard half Figure 22: Annular groove in coupling guard Use a bolt, a nut, and two washers to secure the coupling guard half to the end plate. Tighten se- curely.
  • Page 47 5.5 Couple the pump and driver Item Description Annular groove Driver half of the coupling guard Driver Place the driver-side end plate over the motor shaft. Driver 234B Figure 24: Placement of driver half of coupling guard Place the driver-side end plate in the annular groove of the driver-half of the coupling guard. Use a bolt, a nut, and two washers to secure the coupling guard half to the end plate.

  • Page 48: Bearing Lubrication

    5.6 Bearing lubrication Driver Slide to fit Figure 25: Slide driver-half of coupling guard towards motor 10. Use a nut, a bolt, and two washers to secure the coupling guard halves together. Tighten all nuts on the guard assembly. 5.6 Bearing lubrication WARNING: Pumps are shipped without oil.

  • Page 49: Acceptable Oil For Lubricating Bearings

    5.6 Bearing lubrication Temperature Oil requirement Pumped-fluid temperatures exceed 177°C | Use synthetic lubrication. 350°F 5.6.2 Acceptable oil for lubricating bearings Acceptable lubricants Table 3: Acceptable lubricants Brand Lubricant type Chevron GST Oil 68 Exxon Teresstic EP 68 Mobil DTE Heavy Medium Phillips 66 Turbine Oil VG68 Shell...

  • Page 50: Greased-For-Life Bearing Lubrication

    5.7 Pump priming 5.6.4 Greased-for-life bearing lubrication The bearing manufacturer fills greased-for-life bearings with grease and seals them at the factory. You do not need to lubricate or seal these bearings. Refer to the Maintenance chapter for re-greasing and main- tenance procedures for these bearings.
  • Page 51 5.7 Pump priming Item Description Discharge isolation valve Shutoff valve From outside supply Foot valve Check valve Figure 28: Pump priming with suction supply below pump with foot valve and an outside supply Model 3296 EZMAG Installation, Operation, and Maintenance Manual...

  • Page 52: Other Methods Of Priming The Pump

    5.8 Start the pump Item Description By-pass line Shutoff valve Foot valve Check valve Discharge isolation valve Figure 29: Pump priming with suction supply below pump with foot valve using bypass around check valve 5.7.3 Other methods of priming the pump You can also use these methods in order to prime the pump: •...

  • Page 53: Minimum Continuous Recommended Flow

    5.8 Start the pump NOTICE: • Risk of equipment damage due to dry operation. Immediately observe the pressure gauges. If discharge pressure is not quickly attained, stop the driver immediately, reprime, and attempt to restart the pump. • On frame mounted units, ensure that the oil level is correct prior to starting pump. Close coupled pumps do not have oil lubricated bearings.

  • Page 54: Pump Operation Precautions

    5.9 Pump operation precautions Group Size 3500 rpm 2900 rpm 1750 rpm 1450 rpm 1 x 1½ - 8H 22 (5) 18 (4) 11 (2.5) 9 (2) 1½ x 3 - 8 34 (8) 29 (7) 17 (4) 14 (3) 2 x 3 - 8 74 (17) 61 (14)

  • Page 55: Shut Down The Pump

    5.10 Shut down the pump Operation under freezing conditions NOTICE: Do not expose an idle pump to freezing conditions. Drain all liquid that will freeze that is inside the pump and any auxiliary equipment. Failure to do so can cause liquid to freeze and damage the pump.
  • Page 56 5.11 Make the final alignment of the pump and driver Run the unit under actual operating conditions for enough time to bring the pump, driver, and asso- ciated system to operating temperature. Shut down the pump and the driver. Remove the coupling guard. See Remove the coupling guard in the Maintenance chapter.

  • Page 57: Maintenance

    6 Maintenance 6 Maintenance 6.1 Maintenance schedule Maintenance inspections A maintenance schedule includes these types of inspections: • Routine maintenance • Routine inspections • Three-month inspections • Annual inspections Shorten the inspection intervals appropriately if the pumped fluid is abrasive or corrosive or if the envi- ronment is classified as potentially explosive.

  • Page 58: 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. 6.3 Disassembly 6.3.1 Disassembly precautions WARNING: •...

  • Page 59: Required Tools

    6.3 Disassembly • Risk of serious physical injury or death from rapid depressurization. Ensure pump is iso- lated from system and pressure is relieved before disassembling pump, removing plugs, opening vent or drain valves, or disconnecting piping. • 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.

  • Page 60: Remove The Frame Assembly And Shaft (Frame-Mounted Pump)

    6.3 Disassembly • Refer to driver/coupling/gear manufacturer's installation and operation manuals (IOM) for specific instructions and recommendations. Shut off all valves that control flow to and from the pump. Drain and flush the pump before you remove it from the piping. Isolate the pump from the system and then flush the pump using a compatible liquid.
  • Page 61 6.3 Disassembly Secure the drive shaft so that it cannot rotate. Remove the capscrew (791D) and the lockwasher (382) from the drive shaft. Frame assembly Drive carrier assembly (740B) Internal tooth lockwasher (382) Drive-to-shaft capscrew (791D) Remove the drive magnet assembly (740B). 10.

  • Page 62: Remove The Frame Assembly And Shaft (Close-Coupled Pump)

    6.3 Disassembly Labyrinth oil seal (333D) Bearing frame (228) Drive with shaft bearings 13. Remove the labyrinth oil seals (332A and 333D). 14. Remove both radial ball bearings using a press. The radial ball bearings lie against the shaft collar. 6.3.5 Remove the frame assembly and shaft (close-coupled pump) Secure the complete pump on a workbench in either a horizontal or a vertical position.

  • Page 63: Disassemble The Liquid End

    6.3 Disassembly Stub shaft–to-motor setscrew (222L) Shaft (122A) Motor-to-adapter hex screw (371) Frame-to-adapter hex screw (370B) Close-coupled adapter (503) Frame-to-adapter gasket (360W) Drive carrier assembly (740B) Drive-to-adapter capscrew (791D), internal tooth lockwasher (382) Remove the hex screws (371) that hold the motor to the motor adapter (503). Pull the motor adapter (503) off the motor flange.
  • Page 64 6.3 Disassembly NOTICE: Do not remove the three setscrews (222E on the 6 in. S-group, 3 x 4-7, and 3 x 4-8G) or two hex screws (370V on all other sizes). These setscrews hold the adapter (108), backplate (444), and containment shell (750). Adapter-to-backplate setscrew 222E (6 in.
  • Page 65 6.3 Disassembly Impeller nut (304) Impeller nut O-ring (412A) Impeller (101) Distance washer (199) Intermediate ring spacer (351X) Impeller key (178) Place the strap wrench on the impeller and remove the impeller nut (304) and O-ring (412A). Slide the impeller (101) off the shaft. 10.

  • Page 66: Pre-Assembly Inspections

    6.4 Pre-assembly inspections 6.4 Pre-assembly inspections Guidelines Before you assemble the pump parts, make sure you follow these guidelines: • Inspect the pump parts according to the information in these pre-assembly topics before you reas- semble your pump. Replace any part that does not meet the required criteria. •...
  • Page 67 6.4 Pre-assembly inspections Figure 30: 3296 EZMAG casing Impeller replacement This table shows the criteria for replacing the impeller: Impeller parts When to replace Vane edges When you see cracks, pitting, or corrosion damage Wear ring surfaces When the clearance to the casing wear ring has increased by 50% over the values in the Mini- mum running clearances table Gaskets, O-rings, and seats replacement WARNING:...

  • Page 68: Magnet Inspections

    6.4 Pre-assembly inspections 6.4.2 Magnet inspections WARNING: The magnets contained in this unit are extremely powerful. Keep magnetic drive components and magnetic tools apart from each other by a minimum of 2 m | 6 ft. Serious injury to fingers and hands will result if you do not follow this precaution.

  • Page 69: Bearings Inspection

    6.5 Reassembly 6.4.4 Bearings inspection Condition of bearings Do not reuse bearings. The condition of the bearings provides useful information on operating conditions in the bearing frame. Checklist Perform these checks when you inspect the bearings: • Inspect the ball bearings for contamination and damage. •...
  • Page 70 6.5 Reassembly Only use original spare parts to replace any worn or faulty components. The use of unsuitable spare parts may cause malfunctions, damage, and injuries as well as void the guarantee. Do not use a flame to heat bearings. This will damage the bearing surfaces. Do not heat the bearings above 135°C | 275°F.
  • Page 71 6.5 Reassembly Foot-to-frame hex screw (370F) Frame foot (241) Figure 32: Frame foot (M-group only) Insert the end-cover gasket (360A) into the bearing frame. Mount the bearing-end cover (109A) using the hex screws (370C). Press the inboard labyrinth seal (333D) and the outboard labyrinth seal (332A) into the correspond- ing bores on the bearing frame.

  • Page 72: Reassemble The Frame Assembly And Shaft (Close-Coupled Pumps)

    6.5 Reassembly 6.5.2 Reassemble the frame assembly and shaft (close-coupled pumps) Slide the stub shaft (122A) onto the motor shaft and secure it with the setscrew (222L). Setscrew (122L) Stub shaft (380) Motor-to-adapter hex screw (371) Close-coupled adapter (503) Mount the motor adapter (503) onto the motor using hex screws (371). Mount the drive magnet (740B) onto the stub shaft (122A) so that the driver cams are fully-engag- Stub shaft–to-motor setscrew (222L) Stub shaft (380)

  • Page 73: Reassemble The Liquid End

    6.5 Reassembly Frame-to-adapter hex screw (370B) Close-coupled adapter (503) Frame-to-adapter gasket (360W) Figure 33: Close-coupled pump assembly 6.5.3 Reassemble the liquid end Insert the bearing cartridge (849) into the backplate (444). Backplate (444) Cartridge-to-backplate hex screw (791E) Bearing cartridge assembly (849) Rotate the bearing cartridge until all three holes line up and secure with hex screws (791E).
  • Page 74 6.5 Reassembly Cut out a small notch on the inside diameter of the intermediate ring gasket (351X) in order to cre- ate a recess for the driven carrier pin (445A) or key, depending on size. Driven carrier assembly (740A) Driven carrier pin (445A) Notch Intermediate ring spacer (351X) Apply anti-seizing compound to the shaft and shaft threads.
  • Page 75 6.5 Reassembly Impeller key (178) Impeller nut (304) Impeller nut O-ring (412A) Impeller (101) Distance washer (199) Intermediate ring spacer (351X) Install the impeller: Insert the impeller key (178) into the key-slot on the shaft. If the impeller key does not fit into the keyway due to interference with the distance washer, then go back to step 7 and re-assemble the bearing cartridge to the shaft.

  • Page 76: Complete The Pump Reassembly

    6.5 Reassembly Adapter-to-backplate setscrew (222E, 6 in. S-group, 3 x 4-7, and 3 x 4-8G) Containment shell gasket (540N) Containment shell (750) Frame adapter (108) Adapter-to-backplate hex screw (370V) Screw the three setscrews (222E for the 6 in. S-group, 3 x 4-7, and 3 x 4-8G pumps) or two connec- tion screws (370V for M-group pumps) of the adapter (108) into the backplate and tighten.

  • Page 77: Bolt Torque Values

    6.5 Reassembly Frame-to-adapter hex screw (370B) Frame assembly Mag drive carrier Frame-to-adapter gasket (360W) Adapter Secure the bearing frame and drive magnet assembly: Place the bearing frame and drive magnet assembly already assembled on the workbench with the drive magnet facing downwards. Screw a 3/8 in.

  • Page 78: Troubleshooting

    7 Troubleshooting 7 Troubleshooting 7.1 Operation troubleshooting Symptom Cause Remedy The pump is not delivering liq- The pump is not primed. Reprime the pump and check that the pump and uid. suction line are full of liquid. The suction line is clogged. Check the suction line pressure.

  • Page 79: Alignment Troubleshooting

    7.2 Alignment troubleshooting Symptom Cause Remedy The motor requires excessive The head is lower than the rating Install a throttle valve. power. and the pump has too much liq- uid. The liquid is heavier than ex- Check the specific gravity and viscosity. pected.

  • Page 80: Parts Listings And Cross-Sectionals

    8 Parts Listings and Cross-Sectionals 8 Parts Listings and Cross-Sectionals 8.1 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) — stainless steel Cross-sectional drawing 371 492A 503 791D 178X 122A 108 370V 791E 222E 412A 222L 351X 740A 360W 351X...
  • Page 81 8.1 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) — stainless steel Item Quantity Part name Material • Fawn gylon (optional) 351X Intermediate ring spacer Optional spacer material: • TFM1600 (PTFE) (standard) • Viton B (optional) 360W Frame-to-adapter gasket Aramid fiber/EPDM 12 for 7 in.

  • Page 82: Close-Coupled S-Group (All) And M-Group (2 X 3 - 8 Only) - Hastelloy-C

    8.2 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) — Hastelloy-C 8.2 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) — Hastelloy-C Cross-sectional drawing 371 492A 503 791D 178X 122A 108 370V 791E 222E 412A 222L 351X...
  • Page 83 8.2 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) — Hastelloy-C Item Quantity Part name Material • Viton B (optional) 360W Frame-to-adapter gasket Aramid fiber/EPDM 8 for 6 in. pumps, Adapter-to-case hex capscrew Steel 12 for 8 in. pumps 370B Frame-to-adapter hex capscrew (not Steel...

  • Page 84: S-Group With Bearing Frame - Stainless Steel

    8.3 S-group with bearing frame — stainless steel 8.3 S-group with bearing frame — stainless steel Cross-sectional drawing 113A 333D 382 370B 791D 740B 108 370V 791E 222E 540N 178X 122A 412A 109A 332A 122B 370C 360A 351X 408A 360W 740A 351X Parts list...
  • Page 85 8.3 S-group with bearing frame — stainless steel Item Quantity Part name Material Backplate-to-case gasket Optional gasket material: • Aramid fiber/EPDM (standard) • White gylon (optional) • Fawn gylon (optional) 351X Intermediate ring spacer Optional spacer material: • TFM1600 (PTFE) (standard) •...

  • Page 86: S-Group With Bearing Frame - Hastelloy-C

    8.4 S-group with bearing frame — Hastelloy-C 8.4 S-group with bearing frame — Hastelloy-C Cross-sectional drawing 113A 333D 382 370B 791D 740B 108 370V 791E 222E 540N 178X 122A 412A 109A 332A 122B 370C 360A 351X 408A 360W 740A 351X Parts list Item Quantity...
  • Page 87 8.4 S-group with bearing frame — Hastelloy-C Item Quantity Part name Material Backplate-to-case gasket Optional gasket material: • Aramid fiber/EPDM (standard) • White gylon (optional) • Fawn gylon (optional) 351X Intermediate ring spacer Optional spacer material: • TFM1600 (PTFE) (standard) •...

  • Page 88: Frame Cooling Options

    8.5 Frame cooling options 8.5 Frame cooling options Cross-sectional drawing 551D 551D 555B 555B 555C 555C Parts list Item Quantity Part name Material Cooling tube Stainless steel 555B Thermocouple fitting tube Stainless steel 555C Tube fitting str Brass 551D Hex bushing Iron Model 3296 EZMAG Installation, Operation, and Maintenance Manual...

  • Page 89: M-Group With Bearing Frame - Stainless Steel

    8.6 M-group with bearing frame — stainless steel 8.6 M-group with bearing frame — stainless steel Cross-sectional drawing 333D 382 791D 178X 113A 740B 108 122A 370V 540N 222E 791E 412A 109A 332A 122B 370C 360A 351X 360W 408A 370F 740A 351X Parts list...
  • Page 90 8.6 M-group with bearing frame — stainless steel Item Quantity Part name Material • White gylon (optional) • Fawn gylon (optional) 351X Intermediate ring spacer Optional spacer material: • TFM1600 (PTFE) (standard) • Viton B (optional) 360A End cover gasket Vellumoid 360W Frame-to-adapter gasket...

  • Page 91: M-Group With Bearing Frame - Hastelloy-C

    8.7 M-group with bearing frame — Hastelloy-C 8.7 M-group with bearing frame — Hastelloy-C Cross-sectional drawing 333D 382 791D 178X 113A 740B 108 122A 370V 540N 222E 791E 412A 109A 332A 122B 370C 360A 351X 360W 408A 370F 740A 351X Parts list Item Quantity...
  • Page 92 8.7 M-group with bearing frame — Hastelloy-C Item Quantity Part name Material • Aramid fiber/EPDM (standard) • White gylon (optional) • Fawn gylon (optional) 351X Intermediate ring spacer Optional spacer material: • TFM1600 (PTFE) (standard) • Viton B (optional) 360A End cover gasket Vellumiod 360W...

  • Page 93: Spare And Repair Parts

    8.8 Spare and repair parts 8.8 Spare and repair parts Recommended spare parts Item Quantity Part Material Backplate to case gasket Aramid fiber with EPDM rubber Ball bearing Steel 351X Intermediate ring spacer Grafoil 360A End-cover gasket Vellumoid 360W Frame-to-adapter gasket Aramid fiber with EPDM rubber 740A Driven carrier assembly...

  • Page 94: Interchangeability Drawings

    8.9 Interchangeability drawings 8.9 Interchangeability drawings Figure 34: Frame-mounted 3296 EZMAG Model 3296 EZMAG Installation, Operation, and Maintenance Manual...
  • Page 95 8.9 Interchangeability drawings Figure 35: Close-coupled 3296 EZMAG Interchangeability drawings parts list 1. Size 6. Frame adapter 11. Bearing frame 2. Casing 7. Driven magnet 12. Stub shaft 3. Impeller 8. Shell 13. Motor adapter 4. Backplate 9. Drive magnet 14. Adapter plate 5.

  • Page 96: Other Relevant Documentation Or Manuals

    9 Other Relevant Documentation or Manuals 9 Other Relevant Documentation or Manuals 9.1 Condensed power monitor Description ITT offers various power-monitoring devices for specific pump sizes, speeds, and impeller diameters. Power-monitoring devices are designed to protect pumps from: • Dry-running •...
  • Page 97 There is no fluid being pumped. Figure 37: Typical power evaluation Contact your ITT representative for assistance and power analysis for your specific system. For further details and evaluation of power monitoring units, a comprehensive power monitor user guide is available from ITT.
  • Page 98 Set the delay timer for start-up conditions that allow the system to come to normal operating power within a time-frame that maximizes protection of your pump. • For variable speed operation, consult ITT or the power monitor manufacturer for appropriate auxili- ary devices that are designed for operating at multiple speeds or fluctuating frequencies. •...

  • Page 99: Local Itt Contacts

    Los Angeles Vertical Products Operation +1 562-949-2113 +1 562-695-8523 3951 Capitol Avenue City of Industry, CA 90601-1734 Asia Pacific ITT Fluid Technology Asia Pte +65 627-63693 +65 627-63685 1 Jalan Kilang Timor #04-06 Singapore 159303 Europe ITT - Goulds Pumps...
  • Page 100 Visit our website for the latest version of this document and more information: http://www.gouldspumps.com ITT Goulds Pumps, Inc. 240 Fall Street Seneca Falls, NY 13148 Form IOM.3296EZMag.en-US.2020-08 ©2020 ITT Inc. The original instruction is in English. All non-English instructions are translations of the original instruction.

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