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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. Remove the impeller key (178), distance washer (199), and gasket (351X).

11. Pull the backplate (444) and bearing cartridge (849) from the shaft.

Backplate (444)

Cartridge-to-backplate hex screw (791E)

Parallel pin (445A)

Driven carrier assembly (740A)

Bearing cartridge assembly (849)

Intermediate ring spacer (351X)

12. Remove the second gasket (351X).
13. Undo the screws (791E) and remove the bearing cartridge (849) from the backplate (444).

The driven magnet assembly (740A) is a two-piece assembly on S-group pumps held with a drive-
key. Item 740A is a single-piece component on M-group pumps with a parallel pin (445A) to drive
the bearing cartridge.

The bearing cartridge (849) is one unit that is replaced completely.

6.3 Disassembly

Model 3296 EZMAG Installation, Operation, and Maintenance Manual

Содержание GOULDS PUMPS 3296 EZMAG

Страница 1: ...Installation Operation and Maintenance Manual Model 3296 EZMAG ...

Страница 2: ......

Страница 3: ...4 4 Installation 17 4 1 Pre installation 17 4 1 1 Pump location guidelines 17 4 1 2 Foundation requirements 18 4 2 Baseplate mounting procedures 19 4 2 1 Prepare the baseplate for mounting 19 4 2 2 Install the baseplate using shims or wedges 19 4 2 3 Install the baseplate using jackscrews 20 4 2 4 Baseplate leveling worksheet 23 4 3 Pump to driver alignment 24 4 3 1 Alignment checks 24 4 3 2 Permi...

Страница 4: ...ce schedule 55 6 2 Bearing maintenance 56 6 3 Disassembly 56 6 3 1 Disassembly precautions 56 6 3 2 Required tools 57 6 3 3 Prepare the pump for disassembly 57 6 3 4 Remove the frame assembly and shaft frame mounted pump 58 6 3 5 Remove the frame assembly and shaft close coupled pump 60 6 3 6 Disassemble the liquid end 61 6 4 Pre assembly inspections 64 6 4 1 Replacement guidelines 64 6 4 2 Magnet...

Страница 5: ...ng options 86 8 6 M group with bearing frame stainless steel 87 8 7 M group with bearing frame Hastelloy C 89 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 Table of Contents Model 3296 EZMAG Installation Operation and Maintenance Manual 3 ...

Страница 6: ...s 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 Never apply heat to aid in their removal unless explicitly stated in this manual The operator must be aware of the pumpage and take app...

Страница 7: ...eating 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 About safety messages It is extremely important that you read understand and follow the safety messages and regulations carefully before handling the product They are published to help prevent these hazards Personal accidents and healt...

Страница 8: ...y 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 Electrical installation For electrical installation recycling requirements consult your local electric utility 1 2 2 1 Recycling guidelines Always follow local laws and regulations regarding recycling 1 2 3 User safety...

Страница 9: ...thetic heart valve Internal wound clips from surgery Prosthetic joints Metallic wiring Any other type of metallic prosthetic device Individuals who have had any surgery especially to the chest or head and do not know if metallic clips were surgically implanted need to avoid work on this unit unless their physi cian can confirm that no metallic devices exist 1 2 3 2 Wash the skin and eyes 1 Follow ...

Страница 10: ...TT authorized mechan ics Special rules apply to installations in explosive atmospheres All users must know about the risks of electric current and the chemical and physical character istics of the gas and or vapor present in hazardous areas Any maintenance for Ex approved products must conform to international and national stand ards Product and product handling requirements These are the product ...

Страница 11: ...riod The product is used only under the conditions described in this manual The monitoring equipment incorporated in the product is correctly connected and in use 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 ca...

Страница 12: ...arts ITT guarantees that spare parts will be available for 10 years after the manufacture of this product has been discontinued 1 3 Product warranty 10 Model 3296 EZMAG Installation Operation and Maintenance Manual ...

Страница 13: ...ause property damage and or personal injury Ensure that the unit is properly supported and secure during lifting and handling CAUTION Risk of injury or equipment damage from use of inadequate lifting devices Ensure lifting devi ces such as chains straps forklifts cranes etc are rated to sufficient capacity 2 2 2 Lifting methods WARNING Risk of serious personal injury or equipment damage Proper lif...

Страница 14: ...sing 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 2 2 Transportation guidelines 12 Model 3296 EZMAG Installation Operation and Maintenance Manual ...

Страница 15: ...hort term less than six months Store in a covered and dry location Store the unit free from dirt and vibrations Long term more than six months Store in a covered and dry location Store the unit free from heat dirt and vibrations Rotate the shaft by hand several times at least every three months Treat bearing and machined surfaces so that they are well preserved Refer to drive unit and coupling man...

Страница 16: ...ymium Iron NdFe is used when pumped liquid temperatures are less than 180 C 365 F Samarium Cobalt SmCo is used when pumped liquid temperatures are between 180 C 365 F and 280 C 536 F Containment shell The containment shell isolates the pumped liquid from the atmosphere and is constructed from Hastel loy C Sleeve bearings and thrust bearings Goulds standard bearing material is Pure Sintered Alpha G...

Страница 17: ...e your pump unit might have an ATEX nameplate affixed to the pump the base plate or the discharge head The nameplate provides information about the ATEX specifica tions of this pump Nameplate on the pump casing using English units Figure 4 Nameplate on the pump casing using English units Nameplate on the pump casing using metric units Figure 5 Metric units nameplate on pump casing ATEX nameplate F...

Страница 18: ...esentative before proceed ing Maximum liquid temperature may be limited by the pump model and order specific options Table 2 Temperature class definitions on page 16 is for the purpose of determining T x code for ATEX applica tions with liquid temperatures exceeding 107ºC 225ºF WARNING Use of equipment unsuitable for the environment can pose risks of ignition and or explosion Ensure the pump drive...

Страница 19: ...possible This minimizes the friction loss and keeps the suction piping as short as possible Make sure that the space around the pump is sufficient This facilitates ventilation inspection maintenance and service If you require lifting equipment such as a hoist or tackle make sure that there is enough space above the pump This makes it easier to properly use the lifting equipment and safely remove a...

Страница 20: ...dation in order to prevent strain and distortion when you tighten the foundation bolts Sleeve type bolts 1 2 3 4 5 6 Item Description 1 Baseplate 2 Shims 3 Foundation 4 Sleeve 5 Dam 6 Bolt Figure 7 Sleeve type bolts J type bolts 1 3 2 4 5 Item Description 1 Baseplate 2 Shims or wedges 3 Foundation 4 Dam 5 Bolt Figure 8 J type bolts 4 1 Pre installation 18 Model 3296 EZMAG Installation Operation an...

Страница 21: ...ble to cast iron and fabricated steel baseplates 1 Remove water and debris from the anchor bolt holes and sleeves 2 If you use sleeve type bolts fill the bolt sleeves with packing material or rags to prevent grout from entering the bolt holes 3 Put the sets of wedges or shims on each side of each foundation bolt Make sure that the wedges extend 19 mm 0 75 in to 38 mm 1 5 in above the foundation to...

Страница 22: ...heet This procedure applies to the feature fabricated steel baseplate and the advantage base baseplate 1 Apply an anti seize compound on the jackscrews The compound makes it easier to remove the screws after you grout 2 Lower the baseplate carefully onto the foundation bolts and perform these steps a Cut the plates from the bar stock and chamfer the edges of the plates in order to reduce stress co...

Страница 23: ...e other machinist s level across the ends of the two pads c Level the pads by adjusting the four jackscrews in the corners Make sure that the machinist s level readings are as close to zero as possible both lengthwise and across Use the baseplate leveling worksheet when you take the readings 1 2 3 4 5 6 Item Description 1 Machinist s levels 2 Driver s mounting pads 3 Foundation bolts 4 Jackscrews ...

Страница 24: ...the four jackscrews in the corners Make sure that the machinist s level readings are as close to zero as possible both lengthwise and across 1 2 3 4 5 6 Item Description 1 Driver s mounting pads 2 Machinist s levels 3 Foundation bolts 4 Jackscrews 5 Grout hole 6 Pump s mounting pads Figure 13 Level pump mounting pads 6 Hand tighten the nuts for the foundation bolts 7 Check that the driver s mounti...

Страница 25: ...____________ 7 ____________________ 8 ____________________ 9 ____________________ 10 ___________________ 11 ___________________ 12 ___________________ 13 ___________________ 14 ___________________ 15 ___________________ 16 ___________________ 17 ___________________ 18 ___________________ Level measurements 4 2 Baseplate mounting procedures Model 3296 EZMAG Installation Operation and Maintenance Ma...

Страница 26: ...s used Initial alignment cold alignment check Prior to operation when the pump and the driver are at ambient temperature Final alignment hot alignment check After operation when the pump and the driver are at operating temperature Initial alignment cold alignment checks When Why Before you grout the baseplate This ensures that alignment can be accomplished After you grout the baseplate This ensure...

Страница 27: ...n high 120 C 250 F 0 12 mm 0 005 in high 175 C 350 F 0 23 mm 0 009 in high 218 C 450 F 0 33 mm 0 013 in high 4 3 3 Alignment measurement guidelines Guideline Explanation Rotate the pump coupling half and the driver coupling half together so that the indicator rods have contact with the same points on the driver coupling half This prevents incorrect measurement Move or shim only the driver in order...

Страница 28: ...tor to zero at the top center position 12 o clock of the driver cou pling half Y 2 Rotate the indicator to the bottom center position 6 o clock 3 Record the indicator reading When the reading val ue is Then Negative The coupling halves are farther apart at the bottom than at the top Perform one of these steps Add shims in order to raise the feet of the driver at the shaft end Remove shims in order...

Страница 29: ...vious steps until the permitted reading value is achieved 4 3 5 3 Perform parallel alignment for a vertical correction Refer to the alignment table in Permitted indicator values for alignment checks see Table of Contents for location of table for the proper cold alignment value based on the motor temperature rise and the pump operating temperature Before you start this procedure make sure that the...

Страница 30: ...nd the pump operating temperature Before you start this procedure make sure that the dial indicators are properly attached for measure ment A unit is in parallel alignment when the parallel indicator P does not vary by more than 0 05 mm 0 002 in as measured at four points 90 apart at the operating temperature 1 Set the parallel alignment indicator P to zero on the left side of the driver coupling ...

Страница 31: ...l indicators are properly attached for measure ment 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 as measured at four points 90 apart 1 Set the angular and parallel dial indicators to zero at the left side of the driver coupling half Y 90 from the top center position 9 o clock 2 Rotate the indicators through...

Страница 32: ...ry or property damage Fasteners such as bolts and nuts are criti cal to the safe and reliable operation of the product Ensure appropriate use of fasteners during installation or reassembly of the unit Use fasteners of the proper size and material only Replace all corroded fasteners Ensure that all fasteners are properly tightened and that there are no missing fasteners 4 5 2 General piping checkli...

Страница 33: ...hich can result in excess heat generation sparks and premature failure NOTICE Vary the capacity with the regulating valve in the discharge line Never throttle the flow from the suction side This action can result in decreased performance unexpected heat generation and equipment damage Piping guidelines Guidelines for piping are given in the Hydraulic Institute Standards available from the Hydrauli...

Страница 34: ...PSH and pipe friction values needed in order to evaluate suction pip ing Suction piping checks Check Explanation comment Checked Flush all suction piping before you connect it to the pump This reduces the risk of pump operation problems Check that the suction piping fittings and joints are airtight and have no leaks Check that the distance between the inlet flange of the pump and the closest elbow...

Страница 35: ...quids with specific gravity less than 0 60 a pressure drop across the suction strainer may be due to ice buildup Ice buildup can cause turbulence low pres sure areas and pumpage vaporization If more than one pump operates from the same liquid source check that separate suction piping lines are used for each pump This recommendation helps you to achieve a higher pump performance and prevent vapor l...

Страница 36: ...vita tion in the pump inlet Check that the piping is level or slopes downward from the liquid source Make sure that no part of the suction pip ing extends below the suction flange of the pump Make sure that the size of the entrance from the supply is one or two sizes larger than the suction pipe Make sure that the suction piping is ade quately submerged below the surface of the liquid source This ...

Страница 37: ...f the pump Reduce risk of pumpage vaporization and vapor locking at low flow rates for low specific gravity liq uids See Example Discharge piping equipment for illustra tions Check that a check valve is installed in the discharge line between the isolation valve and the pump discharge outlet The location between the isolation valve and the pump allows inspection of the check valve The check valve ...

Страница 38: ...Final piping checklist WARNING A build up of gases within the pump sealing system or process piping system may result in an explosive environment Make sure the process piping system pump and sealing system are properly vented prior to operation Check Explanation comment Checked Check that the shaft rotates smoothly Rotate the shaft by hand Make sure there is no rubbing that can lead to excess heat...

Страница 39: ...k of death serious personal injury and property damage Heat and pressure buildup can cause explosion rupture and discharge of pumpage Never operate the pump with suction and or discharge valves closed Running a pump without safety devices exposes operators to risk of serious personal in jury or death Never operate a unit unless appropriate safety devices guards etc are properly installed Failure t...

Страница 40: ...ugh the pump until the casing tem perature is within 38 C 100 F of the fluid temperature Accomplish this by flowing fluid from pump inlet to discharge drain optionally the casing vent can be included in warm up circuit but not required Soak for 2 hours at process fluid temperature At initial startup do not adjust the variable speed drivers or check for speed governor or over speed trip settings wh...

Страница 41: ...bearing housing You can access the bearing housing tap bolts without removing this end plate if maintenance of internal pump parts is necessary 6 Remove the pump half of the coupling guard a Slightly spread the bottom apart b Lift upwards 1 2 3 4 Item Description 1 Annular groove 2 Pump side end plate 3 Driver 4 Pump half of the coupling guard 5 2 Remove the coupling guard Model 3296 EZMAG Install...

Страница 42: ...r 5 4 Check the rotation Close Coupled 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 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 insta...

Страница 43: ...sk of serious personal in jury or death Never operate a unit unless appropriate safety devices guards etc are properly installed 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 Electrical connections must be made by certified electricians in com...

Страница 44: ...ed to the next step If the pump size is Then STX MTX LTX Align the pump side end plate to the bearing frame You do not need to adjust the impeller XLT X 1 Align the end plate on the pump side to the bearing housing so that you meet these conditions 1 The large slots on the end plate do not touch the bearing housing tap bolts 2 The small slots align with the impeller adjusting bolts 2 Fasten the en...

Страница 45: ...b Place the coupling guard half over the pump side end plate 1 2 3 4 Item Description 1 Annular groove 2 Pump side end plate 3 Driver 4 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 5 5 Couple the pump and driver Model 3296 EZMAG Installation Operation and Maintenance Manual 43 ...

Страница 46: ... Item Description 1 Nut 2 Washer 3 Bolt Figure 23 Secure coupling guard half to end plate 5 Put the driver half of the coupling guard in place a Slightly spread the bottom apart b 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 5 5 Couple the pump and driver 44 Model 3296 EZMAG Installation Opera...

Страница 47: ...lar groove of the driver half of the coupling guard 8 Use a bolt a nut and two washers to secure the coupling guard half to the end plate Hand tighten only The hole is located on the driver side of the coupling guard half 9 Slide the driver half of the coupling guard towards the motor so that the coupling guard completely covers the shafts and coupling 5 5 Couple the pump and driver Model 3296 EZM...

Страница 48: ... fall below the center of the sight glass An increase in oil level may be noted after startup due to oil circulation within the bearing frame 5 6 1 Lubricating oil requirements Oil quality requirements Use a high quality turbine oil with rust and oxidation inhibitors with rated viscosity shown below at 38 C 100 F Oil requirements based on temperature For the majority of operating conditions bearin...

Страница 49: ...sure bear ings are properly lubricated prior to startup Use a high quality turbine oil with rust and oxidation inhibitors 1 Remove the fill plug 2 Fill the bearing frame with oil through the filler connection which is located on top of the bearing frame Fill the bearing frame with oil until the oil level reaches the middle of the sight glass 319 The cor rect volume of oil required for each size of...

Страница 50: ...pump 5 7 1 Prime the pump with the suction supply above the pump 1 Slowly open the suction isolation valve 2 Open the air vents on the suction and discharge piping until the pumped fluid flows out 3 Close the air vents 1 2 3 Item Description 1 Discharge isolation valve 2 Check valve 3 Suction isolation valve Figure 27 Suction supply above pump 5 7 2 Prime the pump with the suction supply below the...

Страница 51: ...on valve 2 Shutoff valve 3 From outside supply 4 Foot valve 5 Check valve Figure 28 Pump priming with suction supply below pump with foot valve and an outside supply 5 7 Pump priming Model 3296 EZMAG Installation Operation and Maintenance Manual 49 ...

Страница 52: ... the pump Prime by ejector Prime by automatic priming pump 5 8 Start the pump WARNING Continuous operation against a closed discharge valve can vaporize liquid This condition can cause an explosion due to confined vapor that is under high pressure and temperature WARNING Risk of equipment damage seal failure and breach of containment Ensure all flush and cool ing systems are operating correctly pr...

Страница 53: ...e until the pump reaches the desired flow 4 Immediately check the pressure gauge to ensure that the pump quickly reaches the correct dis charge pressure 5 If the pump fails to reach the correct pressure perform these steps a Stop the driver b Prime the pump again c Restart the driver 6 Monitor the pump while it is operating a Check the pump for bearing temperature excessive vibration and noise b I...

Страница 54: ... containment Ensure correct driver settings prior to starting any pump NOTICE 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 Ri...

Страница 55: ...Slowly close the discharge valve 2 Shut down and lock out the driver to prevent accidental rotation 5 11 Make the final alignment of the pump and driver 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 Electrical connections must be made ...

Страница 56: ...r 3 Remove the coupling guard See Remove the coupling guard in the Maintenance chapter 4 Check the alignment while the unit is still hot See Pump to driver alignment in the Installation chapter 5 Reinstall the coupling guard 6 Restart the pump and driver 5 11 Make the final alignment of the pump and driver 54 Model 3296 EZMAG Installation Operation and Maintenance Manual ...

Страница 57: ...u check the pump during routine inspections Check the level and condition of the oil through the sight glass on the bearing frame Check for unusual noise vibration and bearing temperatures Check the pump and piping for leaks Analyze the vibration NOTICE If equipped temperature and vibration levels can be retrieved by using your i ALERT monitor ing sensor and app Three month inspections Perform the...

Страница 58: ...of gases within the pump sealing system or process piping system can result in an explosive environment within the pump Make sure that the process piping system pump and sealing system are properly vented prior to operation Burn Hazard Coupling may be hot Use proper protection when handling Burn Hazard use proper protection when handling bearings Avoid injury Worn pump components can have sharp ed...

Страница 59: ... serious injury to fingers and hands Keep magnetic drive components and magnetic tools apart by a minimum of 1 m 3 ft NOTICE Use a bench with a non magnetic work surface such as wood or brass when you work on the pump 6 3 2 Required tools WARNING This pump contains extremely strong magnets You must use non magnetic tools and work sur faces Tools Assorted metric open end or socket sizes 13 mm 17 mm...

Страница 60: ...ply to the discharge nozzle b Collect the flushed liquid as it drains out of the drain connection c Flush the pump in order to remove residue 6 3 4 Remove the frame assembly and shaft frame mounted pump 1 Secure the pump on a workbench or worktop with the suction nozzle facing down 2 Screw the 3 8 in eyebolt into the drive shaft 3 Remove the screws 370B holding the bearing frame to the frame adapt...

Страница 61: ...ove the drive magnet assembly 740B 10 Remove the bearing end cover screws 370C and the bearing end cover 109A 1 2 3 4 5 6 1 Frame 2 End cover gasket 360A 3 Wave washer 529 4 Frame end cover 109A 5 End cover hex screw 370C 6 Labyrinth oil seal 332A 11 Remove the wavy spring washer 529 and end cover gasket 360A 12 Remove the drive shaft with both bearings attached 6 3 Disassembly Model 3296 EZMAG In...

Страница 62: ...the frame adapter 108 1 2 3 1 Frame to adapter hex screw 370B 2 Close coupled adapter 503 3 Frame to adapter gasket 360W 3 If necessary remove the motor adapter 503 from the frame adapter 108 using two levers or pry bars There are also two threaded holes size M12 in the close coupled motor adapter 503 for jack screws 4 Lift the motor and motor adapter assembly off the frame adapter Use a crane if ...

Страница 63: ...rews 371 that hold the motor to the motor adapter 503 9 Pull the motor adapter 503 off the motor flange 10 Loosen the setscrew 222L that holds the stub shaft onto the motor shaft 11 Remove the stub shaft 122A from the motor 6 3 6 Disassemble the liquid end 1 Remove the hex screws 370 that hold the adapter to the case 1 2 3 4 1 Adapter to case hex screw 370 2 Frame adapter 108 3 Backplate to case g...

Страница 64: ...tire assembly from the casing 100 3 If you need to remove the assembly from the casing insert jackscrews through the threaded holes in the adapter 108 S and M groups use M8 screws 4 Place the adapter backplate and impeller assembly on a bench with the impeller facing upwards 5 Remove the three setscrews 222E for 6 in S group 3x4 7 and 3x4 8G or two hex screws 370V for all other sizes 6 Remove the ...

Страница 65: ...e 444 2 Cartridge to backplate hex screw 791E 3 Parallel pin 445A 4 Driven carrier assembly 740A 5 Bearing cartridge assembly 849 6 Intermediate ring spacer 351X 12 Remove the second gasket 351X 13 Undo the screws 791E and remove the bearing cartridge 849 from the backplate 444 The driven magnet assembly 740A is a two piece assembly on S group pumps held with a drive key Item 740A is a single piec...

Страница 66: ...placement WARNING Risk of death or serious injury Leaking fluid can cause fire and or burns Inspect and ensure gasket sealing surfaces are not damaged and repair or replace as necessary Inspect the casing for cracks and excessive wear or pitting Thoroughly clean gasket surfaces and align ment fits in order to remove rust and debris Repair or replace the casing if you notice any of these conditions...

Страница 67: ...ul or disassembly Frame adapter Check the frame adapter 108 for cracks or excessive corrosion damage Replace if any of these conditions exist Make sure that the gasket surface is clean Silicon carbide bearings bearing cartridge Inspect the bearings 849 for cracks chips or excessive wear Replace the cartridge if any of these con ditions exist Containment shell Make sure that the wall thickness of t...

Страница 68: ...0 of the surface and are free of imperfections that create loose particles Replace the magnets if the magnets and drive magnet carrier were exposed to any pumped fluid Check the drive magnet carrier for cracks and replace if any cracks are found Check the drive magnet carrier hub OD is free from grooves and scratches that are greater than 0 127 mm 0 005 in Check the magnets for proper bonding to t...

Страница 69: ...ause If the cause is not normal wear correct the issue before you return the pump to service 6 4 5 Minimum running clearances This table provides the radial wear ring clearances Group Size New mm inches Replace mm inches S 1 x 1 6 1 x 1 6G 1 x 3 6 2 x 3 6 1 x 1 8 1 x 1 8H 1 x 3 8 2 x 3 8 0 51 0 61 0 020 0 024 0 74 0 029 M 1 x 3 10 3 x 4 7 4 x 4 8G 3 x 4 10 1 x 2 10 2 x 3 10 1 x 3 13 0 71 0 79 0 02...

Страница 70: ...1 2 3 4 1 Bearing frame 228 2 Ball bearing 112 3 Drive shaft 122B 4 Ball bearing 112 2 Install the pre assembled drive shaft in the bearing frame 228 from the motor side 3 Insert the wave washer 529 1 2 3 4 5 6 7 1 Labyrinth oil seal 333 2 Bearing frame 228 3 End cover gasket 360A 4 Wave washer 529 5 Frame end cover 109A 6 End cover hex screw 370C 7 Labyrinth oil seal 332A Figure 31 Bearing frame ...

Страница 71: ...n slot on the inside of the seal at the 6 o clock position 7 Mount the bearing frame foot 241 with hex screws 370F and lockwashers M group only 8 Clamp the pre assembled bearing frame assembly in a vice with the motor end of the shaft facing downwards 9 Mount the drive magnet assembly 740B onto the drive shaft so that the driver cams engage Se cure the drive magnet assembly using the lockwasher 38...

Страница 72: ...e magnet 740B onto the stub shaft 122A so that the driver cams are fully engag ed 1 2 3 4 5 6 7 8 1 Stub shaft to motor setscrew 222L 2 Stub shaft 380 3 Motor to adapter hex screw 371 4 Frame to adapter hex screw 370B 5 Close coupled adapter 503 6 Frame to adapter gasket 360W 7 Drive carrier assembly 740B 8 Drive to shaft capscrew 791D internal tooth lockwasher 382 4 Insert the lockwasher 382 and ...

Страница 73: ...ate the bearing cartridge until all three holes line up and secure with hex screws 791E See 6 5 5 Bolt torque values on page 75 3 For M group pumps if the driven carrier pin 445A in the driven magnet assembly 740A must be replaced then drive in the carrier pin carefully until it protrudes approximately 3 05 mm 0 12 in towards the impeller The S group has a drive key which is automatically placed i...

Страница 74: ...er 351X 2 Driven carrier assembly 740A 1 1 Driven carrier pin 445A 7 Place the driven magnet assembly 740A on the workbench and then mount the pre assembled bearing cartridge 849 and backplate 444 assembly onto the driven magnet assembly from above Make sure the driven carrier pin or key 445A engages the carrier groove in the bearing car tridge 849 If the pin or key at the bottom of the shaft does...

Страница 75: ...g 412A into the groove on the rear side of the impeller nut 304 d Secure the driven magnet assembly with a strap wrench and tighten the impeller nut to the ap propriate torque value See 6 5 5 Bolt torque values on page 75 NOTICE Check that you can rotate the backplate freely by hand When you raise the backplate make sure that the axial play is approximately 1 02 mm 0 040 in in order to ensure prop...

Страница 76: ... suction flange facing downwards 1 2 3 4 1 Adapter to case hex screw 370 2 Frame adapter 108 3 Backplate to case gasket 351 4 Casing 100 13 Insert the casing gasket 351 into the casing 14 Insert the pre assembled unit into the casing so that the crane hook of the adapter 108 faces the center of the discharge nozzle 15 Secure the adapter to the casing using hex screws 370 to the appropriate torque ...

Страница 77: ... the hex screws 370B in order to secure the bearing frame to the adapter e Turn the drive shaft by hand to make sure that the shaft can rotate freely Check by looking into the suction nozzle to make sure the impeller is rotating 6 5 5 Bolt torque values NOTICE Make sure to tighten in a diametrically opposite sequence Description Group Dry ft lbs Nm Standard lube ft lbs Nm Adapter to casing screws ...

Страница 78: ...n stops pumping The pump is not primed correct ly Reprime the pump There is an air leak in the suc tion line Check for leaks and correct The magnet is de coupling Shut down the pump Check the temperature and viscosity of the pumped fluid Check the magnets with a breakaway torque test There are either air or vapor pockets in the suction line Rearrange the piping to eliminate air pockets The bearing...

Страница 79: ...ck the temperature and viscosity of the pump ed fluid Check the magnets with a breakaway tor que test The pump is running dry Check the control device for proper opera tion Check the suction line for blockage Reprime the pump There is excessive motor power The system head is lower than the rating and pumps too much liquid Check the rotating parts for binding and wear The liquid is heavier than exp...

Страница 80: ...ler Stainless steel 1 4408 108 1 Frame adapter Ductile iron 122A 1 Driven shaft Duplex SS 1 4462 178 1 Impeller key 303SS 178X 1 Driven carrier key Stainless steel 1 4571 199 1 Distance washer Stainless steel 1 4571 222E 3 Adapter to backplate setscrew 6 in size pumps Steel 222L 2 Stub shaft to motor setscrew Steel 304 1 Impeller nut Duplex SS 1 4517 351 1 Backplate to case gasket Optional gasket ...

Страница 81: ...M standard White gylon optional Fawn gylon optional 740A 1 Driven carrier assembly Duplex SS NdFeB 1 4517 740B 1 Drive carrier assembly Ductile iron NdFeB 0 7043 750 1 Containment shell Hastelloy C 2 4610 791D 1 Drive to shaft capscrew socket head Steel 791E 3 Cartridge to backplate hex capscrew Stainless steel 849 1 Bearing cartridge assembly Duplex SS SSiC Silicon Carbide standard Dryguard Silic...

Страница 82: ...oy C 2 4610 178 1 Impeller key Hastelloy C 178X 1 Driven carrier key Hastelloy C 2 4610 199 1 Distance washer Hastelloy C 2 4610 222E 3 Adapter to backplate setscrew 6 in pumps Steel 222L 2 Stub shaft to motor setscrew Steel 304 1 Impeller nut Hastelloy C 2 4610 351 1 Backplate to case gasket Optional gasket material Aramid fiber EPDM standard White gylon optional Fawn gylon optional 351X 2 Interm...

Страница 83: ...iven carrier assembly Hastelloy C NdFeB 2 4686 740B 1 Drive carrier assembly Ductile iron NdFeB 0 7043 750 1 Containment shell Hastelloy C 2 4610 791D 1 Drive to shaft capscrew socket head Steel 791E 3 Cartridge to backplate hex capscrew Hastelloy C 849 1 Bearing cartridge assembly Hastelloy C SSiC Silicon Carbide standard Dryguard Silicon Carbide optional High temperature optional components 351 ...

Страница 84: ...over Ductile iron 112 2 Ball bearing Steel 113A 1 Fill plug Steel 122A 1 Driven shaft Duplex SS 1 4462 122B 1 Drive shaft Steel 4140 178 1 Impeller key 303SS 178 1 Driven carrier key Stainless steel 1 4571 199 1 Distance washer Stainless steel 1 4571 222E 3 Adapter to backplate setscrew 6 in pumps Steel 228 1 Bearing frame Cast iron 304 1 Impeller nut Duplex SS 1 4517 319 1 Sight window Steel glas...

Страница 85: ...ntainment shell gasket Optional gasket material Aramid fiber EPDM standard White gylon optional Fawn gylon optional 740A 1 Driven carrier assembly Duplex SS NdFeB 1 4517 740B 1 Drive carrier assembly Ductile iron NdFeB 0 7043 750 1 Containment shell Hastelloy C 2 4610 791D 1 Drive to shaft capscrew socket head Steel 791E 3 Cartridge to backplate hex capscrew Stainless steel 849 1 Bearing cartridge...

Страница 86: ...Ductile iron 112 2 Ball bearing Steel 113A 1 Fill plug Steel 122A 1 Driven shaft Hastelloy C 2 4610 122B 1 Drive shaft Steel 4140 178 1 Impeller key Hastelloy C 178 1 Driven carrier key Hastelloy C 2 4610 199 1 Distance washer Hastelloy C 2 4610 222E 3 Adapter to backplate setscrew 6 in pumps Steel 228 1 Bearing frame Cast iron 304 1 Impeller nut Hastelloy C 2 4610 319 1 Sight window Steel glass 3...

Страница 87: ...ket Optional gasket material Aramid fiber EPDM standard White gylon optional Fawn gylon optional 740A 1 Driven carrier assembly Hastelloy NdFeB 1 4517 740B 1 Drive carrier assembly Ductile iron NdFeB 0 7043 750 1 Containment shell Hastelloy C 2 4610 791D 1 Drive to shaft capscrew socket head Steel 791E 3 Cartridge to backplate hex capscrew Hastelloy C 849 1 Bearing cartridge assembly Hastelloy C S...

Страница 88: ... 555C Parts list Item Quantity Part name Material 494 2 Cooling tube Stainless steel 555B 2 Thermocouple fitting tube Stainless steel 555C 2 Tube fitting str Brass 551D 1 Hex bushing Iron 8 5 Frame cooling options 86 Model 3296 EZMAG Installation Operation and Maintenance Manual ...

Страница 89: ...113A 1 Fill plug Steel 122A 1 Driven shaft Duplex SS 1 4462 122B 1 Drive shaft Steel 4140 178 1 Impeller key 303SS 178X 1 Driven carrier key Stainless steel 1 4571 199 1 Distance washer Stainless steel 1 4571 222E 3 Adapter to backplate setscrew Steel 228 1 Bearing frame Cast iron 241 1 Frame foot Cast iron 304 1 Impeller nut Duplex SS 1 4517 319 1 Sight window Steel glass 332A 1 Labyrinth oil sea...

Страница 90: ...rial Aramid fiber EPDM standard White gylon optional Fawn gylon optional 740A 1 Driven carrier assembly Duplex SS NdFeB 1 4517 740B 1 Drive carrier assembly Ductile iron NdFeB 0 7043 750 1 Containment shell Hastelloy C 2 4610 791D 1 Drive to shaft capscrew socket head Steel 791E 3 Cartridge to backplate hex capscrew Stainless steel 849 1 Bearing cartridge assembly Duplex SS SSiC Silicon Carbide st...

Страница 91: ...el 113A 1 Fill plug Steel 122A 1 Driven shaft Hastelloy C 2 4610 122B 1 Drive shaft Steel 4140 178 1 Impeller key Hastelloy C 178X 1 Driven carrier key Hastelloy C 2 4610 199 1 Distance washer Hastelloy C 2 4610 222E 3 Adapter to backplate setscrew 6 in pumps Steel 228 1 Bearing frame Cast iron 241 1 Frame foot Cast iron 304 1 Impeller nut Hastelloy C 2 4610 319 1 Sight window Steel glass 332A 1 L...

Страница 92: ...ment shell gasket Optional gasket material Aramid fiber EPDM standard White gylon optional Fawn gylon optional 740A 1 Driven carrier assembly Hastelloy C NdFeB 2 4686 740B 1 Drive carrier assembly Ductile iron NdFeB 0 7043 750 1 Containment shell Hastelloy C 2 4610 791D 1 Drive to shaft capscrew socket head Steel 791E 3 Cartridge to backplate hex capscrew Hastelloy C 849 1 Bearing cartridge assemb...

Страница 93: ...DM rubber 740A 1 Driven carrier assembly Duplex SS NdFeB 740B 1 Drive carrier assembly Ductile iron NdFeB 750 1 Containment shell Hastelloy C 849 1 Bearing cartridge assembly Duplex SS SSiC Repair parts Impeller 101 Impeller nut and O ring 304 and 412A Impeller key 178 Driven magnet assembly 740A Drive magnet assembly 740B Containment shell 750 Driven shaft 122B Labyrinth oil seals 332A and 333D 8...

Страница 94: ...8 9 Interchangeability drawings Figure 34 Frame mounted 3296 EZMAG 8 9 Interchangeability drawings 92 Model 3296 EZMAG Installation Operation and Maintenance Manual ...

Страница 95: ... 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 Bearing cartridge 10 Drive shaft 8 9 Interchangeability drawings Model 3296 EZMAG Installation Operation and Maintenance Manual 93 ...

Страница 96: ...surements A properly ad justed and installed power monitor is an insurance policy for securing extended pump life i P Power Current Load Figure 36 Power vs amperage measurements Since the current curve is so flat load changes are difficult to detect when you measure only the current in this range If you misread these changes then nuisance tripping or a dry running pump can result If you measure po...

Страница 97: ...ystem Understand the full range of your operating duty including power requirements at the rated mini mum and maximum flow conditions Identify potential failures that would be characteristic of your specific process and pump type Understand the power scope and torque scope of the selected electric motor When feasible further define your operating range to run as close to best efficiency point BEP ...

Страница 98: ...ariable 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 Select an electrical enclosure that is suitable for the operating environment or install the unit in an appropriate electrical panel Do not activate the manual override of the power monitor until a thorough examinatio...

Страница 99: ...2 695 8523 Asia Pacific ITT Fluid Technology Asia Pte Ltd 1 Jalan Kilang Timor 04 06 Singapore 159303 65 627 63693 65 627 63685 Europe ITT Goulds Pumps Millwey Rise Industrial Estate Axminster Devon England EX13 5HU 44 1297 639100 44 1297 630476 Latin America ITT Goulds Pumps Camino La Colina 1448 Condominio Industrial El Rosal Huechuraba Santiago 8580000 Chile 562 544 7000 562 544 7001 Middle Eas...

Страница 100: ...more information http www gouldspumps com ITT Goulds Pumps Inc 240 Fall Street Seneca Falls NY 13148 USA 2020 ITT Inc The original instruction is in English All non English instructions are translations of the original instruction Form IOM 3296EZMag en US 2020 08 ...

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