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ITT GOULDS PUMPS 3393, Инструкция по установке, эксплуатации и обслуживанию

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1.3 Safety regulations for Ex-approved products in potentially
explosive atmospheres

Description of ATEX

The ATEX directives are a specification enforced in Europe for electrical and non-electrical equipment.
ATEX deals with the control of potentially explosive atmospheres and the standards of equipment and
protective systems used within these atmospheres. The relevance of the ATEX requirements is not limit-
ed to Europe. You can apply these guidelines to equipment installed in any potentially explosive atmos-
phere.

Guidelines for compliance

 

WARNING:

This manual clearly identifies accepted methods for disassembling units. These methods must
be adhered to. Trapped liquid can rapidly expand and result in a violent explosion and injury.
Never apply heat to impellers, propellers, or their retaining devices to aid in their removal. If
there are any questions regarding these requirements, the intended use, or if the equipment
requires modification, contact an ITT representative before you proceed.

 

Compliance is only fulfilled when the pump is operated within its intended use, for example within its in-
tended hydraulic range. The conditions of the service must not be changed without approval of an au-
thorized ITT representative. When installing or maintaining explosion-proof pumps, follow these guide-
lines:

•

Always install ATEX-approved equipment in compliance with the directive and applicable standards
(IEC/EN 60079–14).

•

Do not install explosion proof products in locations that are classified as hazardous in the national
electric code, ANSI/NFPA 70–2005.

Personnel requirements

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.

•

All users must know about the risks of electric current and the chemical and physical characteristics
of the gas and/or vapor present in hazardous areas.

•

Any maintenance for Ex-approved products must conform to international and national standards
(for example IEC/EN 60079-17).

Product and product handling requirements

These are the product and product handling requirements for Ex-approved products in potentially explo-
sive atmospheres:

•

Only use the product in accordance with the approved motor data stated on the nameplates.

•

The Ex-approved product must never run dry during normal operation. Dry running during service
and inspection is only permitted outside the classified area.

•

Never start a pump without the proper priming.

•

Before you start working with the product, make sure that the product and the control panel are iso-
lated from the power supply and the control circuit, so they cannot be energized.

1.3 Safety regulations for Ex-approved products in potentially explosive atmospheres

8

Model 3393 Installation, Operation, and Maintenance Manual

Содержание GOULDS PUMPS 3393

Страница 1: ...Installation Operation and Maintenance Manual Model 3393 ...

Страница 2: ......

Страница 3: ...Foundation requirements 22 4 2 Baseplate mounting procedures 23 4 2 1 Prepare the baseplate for mounting 23 4 2 2 Install the baseplate using shims or wedges 23 4 2 3 Install the baseplate using jackscrews 23 4 2 4 Baseplate leveling worksheet 25 4 3 Install the pump driver and coupling 26 4 4 Pump to driver alignment 27 4 4 1 Alignment checks 28 4 4 2 Permitted indicator values for alignment chec...

Страница 4: ...Monitor 55 5 12 Pump operation precautions 55 5 13 Shut down the pump 56 5 14 Deactivate the i ALERT 2 Equipment Health Monitor 56 5 15 Reset the i ALERT 2 Health Monitor 57 5 16 Make the final alignment of the pump and driver 57 6 Maintenance 59 6 1 Maintenance precautions 59 6 2 Maintenance schedule 59 6 3 Bearing maintenance 60 6 4 Bearing replacement 60 6 4 1 Maintenance of Bearings 61 6 4 2 M...

Страница 5: ...6 6 7 7 Attach the i ALERT 2 Equipment Health Monitor to the pump 106 7 Troubleshooting 108 7 1 Alignment troubleshooting 108 7 2 i ALERT 2 Equipment Health Monitor troubleshooting 108 7 3 Operation troubleshooting 108 8 Parts Listings and Cross Sectionals 114 8 1 Parts 114 9 Appendix 118 9 1 Torque Values 118 9 2 Running clearances 119 9 3 Maximum allowable forces and moments 119 9 4 Tie Rod Torq...

Страница 6: ...ious 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 ...

Страница 7: ...erheating 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 he...

Страница 8: ...nd dispose of the processed liquid in compliance with applicable environmental regula tions Clean up all spills in accordance with safety and environmental procedures Report all environmental emissions to the appropriate authorities 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 de...

Страница 9: ... area for example a guard rail Make sure that all safety guards are in place and secure Make sure that you have a clear path of retreat Make sure that the product cannot roll or fall over and injure people or damage property Make sure that the lifting equipment is in good condition Use a lifting harness a safety line and a breathing device as required Allow all system and pump components to cool b...

Страница 10: ...cable standards IEC EN 60079 14 Do not install explosion proof products in locations that are classified as hazardous in the national electric code ANSI NFPA 70 2005 Personnel requirements 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 m...

Страница 11: ...monitors Leak detectors PumpSmart control system 1 4 Product warranty Coverage ITT undertakes to remedy faults in products from ITT under these conditions The faults are due to defects in design materials or workmanship The faults are reported to an ITT representative within the warranty period The product is used only under the conditions described in this manual The monitoring equipment incorpor...

Страница 12: ...ts 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 1 4 Product warranty 10 Model 3393 Installation Operation and Maintenance Manual ...

Страница 13: ... Use care when moving pumps Consult with a lifting and rigging specialist before lifting or moving the pump to avoid possible damage to the pump or injury to personnel 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 CAUTION Risk of injury or equ...

Страница 14: ... lift the equipment only at these points Integral lifting eyes or eye bolts on pump and motor components are intended for use in lifting the individual components only NOTICE Make sure that the lifting equipment supports the entire assembly and is only used by au thorized personnel Do not attach sling ropes to shaft ends Lifting the pump Hoist a bare pump using suitable slings under the bearing ho...

Страница 15: ...e of the proper lifting method for a bare pump Baseplate mounted units have lifting points for use with proper lifting devices 2 2 Transportation guidelines Model 3393 Installation Operation and Maintenance Manual 13 ...

Страница 16: ...tore 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 the drive unit and cou pling manufacturers for their long term storage procedures 2 3 Storage guidelines 14 Model 3393 Installation Operation and Maintenance Manual ...

Страница 17: ...For questions about possible long term storage treatment services please contact your local ITT sales representative 2 3 Storage guidelines Model 3393 Installation Operation and Maintenance Manual 15 ...

Страница 18: ...unction with a radial discharge nozzle The suction end of the pump utilizes a product lubricated bearing eliminating the need for a second bear ing housing and mechanical seal Because of the positioning of the sleeve bearing in the end suction casing the suction flange size is one size larger than the size for the radial suction arrangement The discharge nozzle can be positioned either vertically ...

Страница 19: ...he shaft is of heavy duty construction of 17 4 pH or super duplex depending on the casing material It is designed for cartridge mechanical seals to limit shaft deflection to 002 in 0 051 mm at worst case con dition Baseplate The baseplate is of fabricated steel and supports the pump driver and any accessories 3 2 Pump description The Goulds Model 3393 is a radially split segmented casing multistag...

Страница 20: ...n i ALERT 2 Equipment Condition Monitor Description The i ALERT 2 Equipment Condition Monitor is a compact battery operated monitoring device that con tinuously measures the vibration and temperature of the pump power end The i ALERT 2 sensor uses blinking red LEDs and wireless notification to alert the pump operator when the pump exceeds vibration and temperature limits This allows the pump opera...

Страница 21: ...mation about the ATEX specifica tions of this pump IECEx If applicable your pump unit might have the following IECEx nameplate affixed to the pump and or baseplate The nameplate provides information about the IECEx specifications of this pump Other If applicable additional information warnings or cautions may be noted Nameplate on the pump casing using English units Figure 5 Nameplate on the pump ...

Страница 22: ...representative before proceed ing WARNING 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 Warning nameplate Figure 8 Warning nameplate The ...

Страница 23: ...e 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 and relocate the components to a safe location Protect the unit from weather and water damage due to rain floo...

Страница 24: ... 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 9 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 10 J type bolts 4 1 Pre installation 22 Model 3393 Installation Operation and Maintenance Manual ...

Страница 25: ...ads of the pump 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 5 Level the baseplate both lengthwise and across by adding or removing shims or moving the wedg es You can use the baseplate leveling worksheet when you take the readings 6 Hand tighten the nuts for the found...

Страница 26: ...crews down so that they rest on their plates on the foundation surface 5 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 a Put one machinist s level lengthwise on one of the two pads b Put the other level across the center of the two pads c Le...

Страница 27: ..._______________ 7 ____________________ 8 ____________________ 9 ____________________ 10 ___________________ 11 ___________________ 12 ___________________ 13 ___________________ 14 ___________________ 15 ___________________ 16 ___________________ 17 ___________________ 18 ___________________ Level measurements 4 2 Baseplate mounting procedures Model 3393 Installation Operation and Maintenance Manua...

Страница 28: ...ot parallel to the shaft that has been machined in the base plate b Torque the bolts closest to the driver to the standard values c Torque the bolts on the outboard end to 15 of the standard value This will allow the pump to expand axially with increasing temperature while maintaining pump to driver alignment 5 If repeatable location of the pump to base plate is desired perform either 5 a or 5 b a...

Страница 29: ...s Electrical connections must be made by certified electricians in compliance with all international national state and local rules Refer to driver coupling gear manufacturer s installation and operation manuals IOM for specific instructions and recommendations Alignment methods Three common alignment methods are used Dial indicator Reverse dial indicator Laser 4 4 Pump to driver alignment Model 3...

Страница 30: ...ed the alignment If changes have occurred you must alter the piping to remove pipe strains on the pump flanges Final alignment hot alignment checks When Why After the first run This ensures correct alignment when both the pump and the driver are at op erating temperature Periodically This follows the plant operating procedures 4 4 2 Permitted indicator values for alignment checks NOTICE The specif...

Страница 31: ...0 34 0 68 0 006 0 000 0 013 0 027 122oF 50oC 0 22 0 05 0 28 0 62 0 009 0 002 0 011 0 024 4 4 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 to make adjustments...

Страница 32: ... the angular alignment indicator 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 sh...

Страница 33: ... of the driver to the left Slide the opposite end to the right Positive The coupling halves are closer together on the right side than the left Perform one of these steps Slide the shaft end of the driver to the right Slide the opposite end to the left Figure 14 Example of incorrect horizontal alignment top view 4 Repeat the previous steps until the permitted reading value is achieved 4 4 7 Perfor...

Страница 34: ...erature 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 see Table of Contents for location of table for the proper cold alignment value based on ...

Страница 35: ...itted reading values 4 4 10 Perform complete alignment for a horizontal correction 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 the top center position to the right side 180 from the start position 3 o clock 3 Record the indicator readings 4 Make corrections according ...

Страница 36: ...f the dam When you pour the grout remove air bubbles from it by using one of these methods Puddle with a vibrator Pump the grout into place 5 Allow the grout to set 1 2 3 4 5 6 Item Description 1 Baseplate 2 Foundation 3 Sleeve 4 Dam 5 Bolt 6 Grout Figure 17 Pour grout into baseplate 6 Fill the remainder of the baseplate with grout and allow the grout to set for at least 48 hours 4 5 Grout the bas...

Страница 37: ...s causing excess heat generation and sparks Flange loads from the piping system including those from the thermal expansion of the piping must not exceed the limits of the pump 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...

Страница 38: ...d and not exceed 0 34 bar 5 psi When system flushing is complete the start up strainer can be removed The pump must be protected from debris that may accumulate in the piping over time In stall a strainer filter of 40 60 mesh upstream of the pump suction It is important that the pressure differential across the strainer filter be monitored and not exceed 0 34 bar 5 psi NOTICE Vary the capacity wit...

Страница 39: ...entric You can easily install the flange bolts by hand 4 6 2 Suction piping checklist Performance curve reference CAUTION 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 Net positive suction head available NPSHA must always exceed NPSH requ...

Страница 40: ...p the pressure drop across the strainer to a minimum The pressure drop across the strainer should be monitored and the strainer cleaned if the pressure drop exceeds 0 34 bar 5 psi or NPSHR is not ade quate Liquids 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 I...

Страница 41: ...4 6 3 Discharge piping checklist Checklist Check Explanation comment Checked Check that an isolation valve is installed in the discharge line For specific gravity less than 0 60 minimize distance from pump discharge The isolation valve is required for Priming Regulation of flow Inspection and maintenance of the pump Reduce risk of pumpage vaporization and vapor locking at low flow rates for low sp...

Страница 42: ...ing temperature differential between the top of any stage casing and the bottom of the same stage casing must be less than 17 C 30 F Failure to observe this can result in casing distortion due to uneven thermal expansion which in turn may result in rotor seizure on startup The warm up flow shall be as follows 2 5x4 8 and 2 5x5 8 0 2 m3 hr 1 gpm 4x5 10 and 4x6 10 0 3 m3 hr 1 3 gpm 5x6 11 and 5x8 11...

Страница 43: ...ance with instruc tions for that environment Do not operate the pump dry Do not operate the pump below the hydraulic or thermal minimum rated flows or with the suction or discharge valves closed These conditions can create an explosive hazard due to vaporization of pumped fluid and can quickly lead to pump failure and physical injury Risk of breach of containment and equipment damage Ensure the pu...

Страница 44: ...roperly 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 Make sure that the temperature change does not exceed 5 C 9 F per minute The maximum allowable temperature change for an abnormal transient event such as thermal shock is 103 C 185 F The mechanical seal used in an Ex classif...

Страница 45: ...ard 1 Identify the parts of the coupling guard IMPORTANT For pumps with CE conformance the coupling guard fasteners have devices that keep them from completely detaching from the guard or the pump Do not remove these devices or separate the fasteners from the guard or the pump 1 2 1 Coupling guard two equal halves parts 1 and 2 2 Adjusting piece part 3 2 Remove the screws 2 that attach the two hal...

Страница 46: ...r 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 installa tion or maintenance tasks Electrical connections must be made by certified electricians in compliance with all international national state and local rules Refer to driver coupling gear...

Страница 47: ...classified environment must be properly certified and must be constructed from a non sparking material 1 Check the gap between the coupling hubs against the dimensions shown on the general arrange ment drawing or as stamped on the coupling hub For any necessary adjustment move the driver not the pump Motors with sleeve bearings may be manufactured with 6 35 or 12 7 mm 1 4 or 1 2 in end move ment f...

Страница 48: ...perate a unit unless appropriate safety devices guards etc are properly installed Avoid death or serious injury Assure mechanical seal guard is properly installed using supplied fastening hardware 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 ...

Страница 49: ...ections must be made by certified electricians in compliance with all international national state and local rules Refer to driver coupling gear manufacturer s installation and operation manuals IOM for specific instructions and recommendations WARNING The coupling guard used in an ATEX classified environment must be properly certified and constructed from a spark resistant material Required parts...

Страница 50: ...llation The annular groove in the coupling guard half must fit around the end plate 1 2 3 Item Description 1 Annular groove 2 End plate pump end 2 Guard half Figure 22 Annular groove in coupling guard 4 Use a bolt a nut and two washers to secure the coupling guard half to the end plate Tighten se curely 5 4 Couple the pump and driver 48 Model 3393 Installation Operation and Maintenance Manual ...

Страница 51: ...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 10 Use a nut a bolt and two washers to secure the coupling guard halves together 11 Tighten all n...

Страница 52: ... 4x5 10 4x6 10 5x6 11 5x8 11 6x8 13 6x10 13 Initial Fill per Bearing Housing Oil US pt l 3 4 1 6 3 4 1 6 5 3 2 5 5 3 2 5 Bearing Driver End 7408 B MP UA 7409 B MP UA 7311 BECBM 7214 BECBM Bearing Outboard ES 1 SiC SiC SiC SiC SiC SiC SiC SiC Bearing Outboard RS 6408 6409 6311 6214 Maximum permissible surface temperature measured at the 12 o clock top of bearing hous ing position OF OC 180 82 180 8...

Страница 53: ...il to remove contaminants During flushing make sure to rotate the shaft slowly by hand 2 Flush the bearing housing with the proper lubricating oil to ensure oil quality after cleaning 3 Refer to Reassembly section for proper bearing greasing procedure 5 6 Shaft sealing with a mechanical seal Precautions WARNING The mechanical seal used in an ATEX or Ex classified environment must be proper ly cert...

Страница 54: ...ailure to do so will result in excess heat generation and seal failure Seal lubrication is required Mechanical seals must have an appropriate seal flush system to avoid excessive heat generation and premature seal failure Seal faces must have liquid film between them for proper lubrication Locate the taps using the illustra tions shipped with the seal Seal flushing methods Table 6 You can use thes...

Страница 55: ...uction isolation valve Figure 24 Suction supply above pump 5 9 Start the pump WARNING Risk of equipment damage seal failure and breach of containment Ensure all flush and cool ing systems are operating correctly prior to starting 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 immediatel...

Страница 56: ...ormal levels then shut down the pump immediately and correct the prob lem 7 Repeat steps 5 and 6 until the pump runs properly 5 10 Activate the i ALERT Health Monitor WARNING Explosive hazard and risk of personal injury Heating to high temperatures could cause com bustion of the condition monitor Never heat the condition monitor to temperatures in excess of 149 C 300 F or dispose of in a fire By u...

Страница 57: ...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 Risk of equipment damage from unexpected heat generation Do not overload the driver Ensure that the pump operating conditions are suitable for the driver The driver can over load in these circumstances The spec...

Страница 58: ...on 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 Note that different liquids freeze at different temperatures Some pump designs do not drain completely and may require flushing with a liquid that doesn t freeze 5 ...

Страница 59: ...llowed to prevent unintended contact of rotating parts Follow cou pling manufacturer s installation and operation procedures 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 by certified electricians in...

Страница 60: ...r 1 Run the unit under actual operating conditions for enough time to bring the pump driver and asso ciated system to operating temperature 2 Shut down the pump and the driver 3 Lock out power to the driver 4 Remove the coupling guard See Remove the coupling guard in the Maintenance chapter 5 Check the alignment while the unit is still hot See Pump to driver alignment in the Installation chapter 6...

Страница 61: ...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 Precautions must be taken to prevent physical injury The pump may handle hazardous and or toxic fluids Proper personal protective equipment should be worn Pumpage must be handled and disposed of in conformance with applicable environmental...

Страница 62: ...ss requirements have not changed then perform these steps 1 Disassemble the pump 2 Inspect it 3 Replace worn parts 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 The en...

Страница 63: ... oiler bottle The oil level will be maintained by the Trico oiler Acceptable Lubricants The table below lists some commonly available oils that meet this specification Brand Lubricant Type Chevron GST Oil 68 Exxon Mobile Teresstic EP 68 DTE Heavy Medium Shell Tellus Oil 68 Sunoco Sunvis 968 Royal Purple SYNFILM ISO VG 68 Synthetic lube 3393 Ball Bearings Pump size 2 5x4 8 2 5x5 8 4x5 10 4x6 10 5x6...

Страница 64: ... the pump Check the seal and all flush piping 6 5 Disassembly 6 5 1 Introduction The section on disassembly will address the bearings mechanical seal balance drum and balance drum stator as well as the complete pump Where the disassembly is the same for end and radial suction pumps no distinction will be made When the disassembly is different it will be identified for either end or radial suction ...

Страница 65: ...Worn pump components can have sharp edges Wear appropriate gloves while handling these parts NOTICE Always wear the proper Personal Protective Equipment PPE Make sure that no damage occurs to any part during disassembly that will impede the re moval of other parts For example damage to the shaft that makes it difficult to remove a part that must slide over that part of the shaft 6 5 3 Required Too...

Страница 66: ...on casing uppermost 3 Remove the balance line and any seal flush piping 4 Remove the tie rod nuts 357F and tie rod washers 437A on the suction end of pump 5 Remove suction casing 100S Bearing 197A will be in the suction casing Remove the o ring 412K 6 Remove capscrew 469Y and retaining plate 467 7 Remove sleeve bearing 117 and tolerance rings 505D from the end of the shaft 8 Inspect the bearing sl...

Страница 67: ...6 5 Disassembly Model 3393 Installation Operation and Maintenance Manual 65 ...

Страница 68: ... be properly secured and stable before working on it 2 Remove seal guards 499 These are not shown but cover the openings in the bearing housing 3 Disconnect any flush piping from the mechanical seal gland and lock the mechanical seal in accord ance with manufacturer s recommendation 4 Unscrew nuts 425 and back off the bearing bracket 228C using the jacking screw 418 5 Unscrew cap screws 371C and c...

Страница 69: ...6 5 Disassembly Model 3393 Installation Operation and Maintenance Manual 67 ...

Страница 70: ...ew 418 7 Unscrew capscrews 371C and confirm that the bearing housing cover 119 is free to move 8 Remove bearing housing 228C 9 After the bearing bracket 228C has been removed the shaft can be moved freely in an axial direc tion approx 1 8 Standard shaft seals can absorb this adjustment without their function being im paired In the case of special shaft selas please follow the Operating Instruction...

Страница 71: ...sectional drawing and mechanical seal vendor s installation instructions 1 Remove the seal guards 499 These are not shown but cover the openings in the bearing frame 2 Disconnect any seal flush piping connected to the gland 3 Locate and reinstall setting clips and clip screws from initial installation if seal is to be reinstalled This is necessary to properly install seal 4 Remove the bearings fol...

Страница 72: ...ance drum locking plate 519 to the balance drum 300 6 Remove balance drum locking plate 519 and balance drum locking plate key 178R 7 Use a permanent marker to place an alignment mark on the shaft and balance drum 8 Brace the shaft to prevent it from rotating Insert threaded rods in the balance drum holes and rotate the balance drum by 30º to clear the locking tabs on the shaft 9 Remove balance dr...

Страница 73: ...6 5 Disassembly Model 3393 Installation Operation and Maintenance Manual 71 ...

Страница 74: ...n with the suction nozzle facing upwards It is important that the pump is secured and stable and supported without damaging the bearing housing A workbench with a hole approximately 1 2 larger than the shaft is helpful in such cas es A hoist or a second person is required for a safe disassembly 6 5 Disassembly 72 Model 3393 Installation Operation and Maintenance Manual ...

Страница 75: ...ove bearing bracket 228C IMPORTANT After the bearing bracket 228C has been removed the shaft can be moved freely in an axial direction approximately 1 8 Standard shaft seals can absorb this adjustment without their function being impaired For special shaft seals follow the Operating Instructions of the seal 12 Remove the bearing housing cover o ring 412 Do not reuse the o ring 13 Bend back the loc...

Страница 76: ...6 5 Disassembly 74 Model 3393 Installation Operation and Maintenance Manual ...

Страница 77: ...6 5 Disassembly Model 3393 Installation Operation and Maintenance Manual 75 ...

Страница 78: ...6 5 Disassembly 76 Model 3393 Installation Operation and Maintenance Manual ...

Страница 79: ...ing nut 136A and lock washer 382 6 Remove ball bearings 112 with the bearing puller 7 Remove the mechanical seal and gland as noted in the instructions for removal of the mechanical seal 8 Loosen tie rod nuts 357F and remove tie rods 356J Note the tie rods are threaded into the dis charge casing and must be removed by unscrewing the tie rods using the flats machined into their surface 9 Remove suc...

Страница 80: ...ally 24 Remove cap screws 372H holding balance drum locking plate 519 to balance drum 300 25 Remove balance drum locking plate and balance drum locking plate key 178R 26 Using a permanent marker place an alignment mark on the shaft and balance drum 27 Brace the shaft to prevent it rotating insert threaded rods in the balance drum holes and rotate the balance drum by 30O to clear the locking tabs o...

Страница 81: ...6 5 Disassembly Model 3393 Installation Operation and Maintenance Manual 79 ...

Страница 82: ...6 5 Disassembly 80 Model 3393 Installation Operation and Maintenance Manual ...

Страница 83: ... 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 Make sure that the parts are clean Clean the pump parts in solvent in order to remove oil grease and dirt NOTICE Protect machined surfaces while cleaning ...

Страница 84: ...at exceed the values in the running clearances table NOTICE When clearances between the rings become excessive increase by 100 hydraulic performance de creases substantially Casing areas to inspect The arrows point to the areas to inspect for wear on the casing Casing Parts When to Replace Cutwaters on casings inlet and outlet vanes on diffusers When grooved deeper than 1 16 in 1 6 mm or When worn...

Страница 85: ...Wear ring surfaces When the clearance to the casing wear ring has in creased by 100 over the values in the running clearan ces table Impeller checks Check and clean the impeller bore diameter Check the impeller balance Rebalance the impeller if it exceeds the ISO 1940 G2 5 criteria NOTICE You must have accurate tooling equipment to balance impellers to the ISO 1940 G2 5 criteria 6 6 Pre assembly i...

Страница 86: ... Also check the outside diameter of the balance drum Cartridge mechanical seal replacement Cartridge type mechanical seals should be serviced by the seal manufacturer Refer to the instructions from the mechanical seal manufacturer for assistance Coupling guard replacement Repair or replace the coupling guard if you notice corrosion or other defects O rings and seats replacement Replace all gaskets...

Страница 87: ...s Replace the shaft if runout exceeds the values in the Shaft and rotor runout requirements table Do not use shaft centers for the runout check as they may have been damaged during the removal of the bearings or impeller Shaft surface check Check the shaft surface for damage Remove any burrs Replace the shaft if it shows fretting or gouging or is damaged beyond reasonable repair Rotor Allowable ru...

Страница 88: ...55 002 mm 6x8 13 6214 7214 BECBM 4 9228 in 4 9213 in 125 040 mm 125 006 mm 2 7567 in 2 7560 in 70 020 mm 70 002 mm Bearing Housings Perform these checks when you inspect the bearing housings Check that the bearing housings are very clean with no burrs Remove all loose and foreign material Check the bearing housing bores against the values in the Ball bearing fits table Repair or replace housings a...

Страница 89: ...smooth and free of scratches 3 Heat the new impeller wear rings to between 180OF 82OC and 200OF 93OC using a uniform meth od for heating such as an oven and place them on the impeller 101 hub in the correct location 4 Tack weld each ring in three places 120O apart Note It may be necessary to replace the impellers 6 7 Reassembly 6 7 1 Preliminary work WARNING Dropping rolling or tipping units or ap...

Страница 90: ...on the end of the shaft 5 Replace cap screw 469Y and retaining plate 467 on the end of the shaft 6 Place o ring 412K in position on the diffuser 7 Replace suction casing 100S and align with the shaft 8 Reinstall tie rod nuts 357F and tie rod washers 437A on tie rods and tighten to correct torque values as noted in Appendix A Tighten in sequence and increments as noted in Appendix D 6 7 Reassembly ...

Страница 91: ...nut 136A 6 Allow the bearing 112 to cool to room temperature 7 Tighten the bearing locknut 136A until resistance is felt 8 Replace the bearing housing 228C and align with the shaft 122 and seal chamber 184 9 Reinstall and tighten nuts 425 to proper torque values 10 Install the bearing cover 119 to the bearing housing with cap screws 371C and tighten to correct torque values NOTE the drain hole in ...

Страница 92: ...6 7 Reassembly 90 Model 3393 Installation Operation and Maintenance Manual ...

Страница 93: ...mperature 7 Tighten the bearing locknut 136A until resistance is felt when rotating the bearing outer races in opposite directions by hand 8 Replace the bearing bracket 228C and align with the shaft 122 and seal chamber 184 9 Reinstall and tighten nuts 425 to proper torque values 10 Install the bearing cover 119 to the bearing housing with cap screws 371C and tighten to correct torque values 11 In...

Страница 94: ...14 Connect flush piping to gland 15 Refit the seal guards 499 6 7 Reassembly 92 Model 3393 Installation Operation and Maintenance Manual ...

Страница 95: ...e orientated properly for re quired flush piping 3 Reinstall the bearings following appropriate bearing assembly instructions above depending on seal location and pump configuration 4 Install and tighten seal chamber nuts 357K 5 Tighten the set screws holding the seal to the shaft 6 Remove setting clips and retain for future use 7 Rotate the shaft to see that it turns smoothly 8 Install flush pipi...

Страница 96: ...ing disassem bly as a guide 3 Insert balance drum locking plate key 178R in shaft and slide balance drum locking plate 519 over key and secure it to balance drum with capscrews 372H 4 Replace seal chamber 184 by inserting the lip on the flat surface of the seal chamber into the posi tioning groove in the balance drum stator 5 Replace mechanical seal and gland as noted in instructions for assembly ...

Страница 97: ...6 7 Reassembly Model 3393 Installation Operation and Maintenance Manual 95 ...

Страница 98: ...acing down so that the side that mounts against the bearing housing is facing up It is important that the pump be secured stable and supported during assembly A workbench with a hole approximately W larger than the shaft is very helpful in such cases A hoist or a second person is re quired for safe assembly WARNING Make sure that the unit cannot roll or fall over and injure people or damage proper...

Страница 99: ... to prevent it from rotat ing 3 Insert balance drum locking plate key 178R in shaft and slide balance drum locking plate 519 over key and secure it to balance drum with cap screws 372H 4 Locate shaft approximately in the center of the discharge casing with the coupling end up 5 Replace seal chamber 184 by inserting the lip on the flat surface of the seal chamber into the posi tioning hole in the b...

Страница 100: ...6 7 Reassembly 98 Model 3393 Installation Operation and Maintenance Manual ...

Страница 101: ...6 7 Reassembly Model 3393 Installation Operation and Maintenance Manual 99 ...

Страница 102: ...istance is felt when rotating the bearing outer races in opposite directions by hand See illustration 14 Replace the bearing bracket 228C and align with the shaft 122 and seal chamber 184 15 Reinstall and tighten nuts 425 to proper torque values 16 Position bearing housing o ring 412 and reinstall bearing housing cover 119 with cap screws 371C and tighten to correct torque values 6 7 Reassembly 10...

Страница 103: ...he shaft extends up 21 Install last stage impeller 101 and key 178 into discharge casing 100D Any impeller wear rings should have been installed first 22 Install final stage piece 100H and discharge casing o ring 497D and secure against discharge casing Casing and stage piece wear rings should be installed prior to this step 23 Install remaining impellers 101 impeller keys 178 stage casings 100G a...

Страница 104: ...on Configuration First complete the steps in End and radial suction configuration common assembly procedures before completing the steps below 6 7 Reassembly 102 Model 3393 Installation Operation and Maintenance Manual ...

Страница 105: ... bearing 117 on the end of the shaft 5 Replace cap screw 469Y and retaining plate 467 on end of shaft 6 Replace suction casing 100S and align with shaft 7 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...

Страница 106: ... 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 3 Install tie rod nuts 357F and tie rod washers 437A on tie rods and tighten to correct torque val ues 6 7 Reassembly 104 Model 3393 Installation...

Страница 107: ...stall bearing housing to casing studs 356J and tighten nuts 425 to proper torque values 10 Position bearing housing o ring 412 and install bearing housing cover 119 using cap screws 371C 11 Replace mechanical seal and gland as noted in instructions for assembly of mechanical seal 12 Slide suction side mechanical seal 383 over shaft end and over the seal chamber studs Install seal chamber nuts 357K...

Страница 108: ...6 7 7 Attach the i ALERT 2 Equipment Health Monitor to the pump Tools required 5 32 inch hex wrench 6 7 Reassembly 106 Model 3393 Installation Operation and Maintenance Manual ...

Страница 109: ...B Figure 27 Attaching the condition monitor to bearing the frame 2 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 6 7 Reassembly Model 3393 Installation Operation and Maintenance Manual 107 ...

Страница 110: ...he discharge valve a little further Reduce the resistance in the discharge pipe Clean the filter if necessary Use a larger impeller Make sure to take note of the available motor power The speed is too low Increase the speed Check the available motor power Compare the speed of the motor with the specified pump speed See the rating place When you adjust the speed frequency transformer check the refe...

Страница 111: ...ce any worn parts The density and or viscosity of the pumped liquid is too high Seek assistance The head is too low The back pressure and discharge pressure are too low Throttle the discharge valve The speed is too low Increase the speed Check the available motor power Compare the speed of the motor with the specified pump speed See the rating plate When you adjust the speed frequency transformet ...

Страница 112: ...ing plate When you adjust the speed frequency transformer check the reference value setting The impeller diameter is too large Use a smaller impeller The density and or viscosity of the pumped liquid is too high Seek assistance The shaft seal is worn Replace the mechanical seal Check the sealing flushing and cooling pipe pressure Avoid running the pump dry There is not enough sealing Tighten the s...

Страница 113: ...he resistance in the intake suction pipe Change the path and pipe size open the shutoff valves and clean the filters The inner components are suffering from wear Replace the worn parts There is system related vibration res onance Seek assistance The temperature in the shaft seal ing area is too high The shaft seal is worn Replace the mechanical seal Check the sealing flushing and cooling pipe pres...

Страница 114: ...s in the impeller Replace the worn impeller and wear rings There is system related vibration res onance Seek assistance The pump is leaking There is not enough sealing Tighten the screws Replace the mechanical seal The discharge pressure is too high Reduce the amount of pressure that is carried Throttle the control valve There are leaks at the shaft seal The shaft seal is worn Replace the mechanic...

Страница 115: ...at the foundation plate and frame are properly cast and in place There is not enough sealing Tighten the screws Replace the mechanical seal 7 3 Operation troubleshooting Model 3393 Installation Operation and Maintenance Manual 113 ...

Страница 116: ...8 Parts Listings and Cross Sectionals 8 1 Parts Figure 28 Radial Suction Pump 8 Parts Listings and Cross Sectionals 114 Model 3393 Installation Operation and Maintenance Manual ...

Страница 117: ...D Casing Discharge 1 100G Diffuser Stage Casing stage dependent 100H Diffuser Final Stage Casing 1 100S Casing Suction 1 100X Casing Destaging and Takeoff Optional stage dependent 101 Impeller Series stage dependent 103 Case Wear Ring Standard Clearance stage dependent 8 1 Parts Model 3393 Installation Operation and Maintenance Manual 115 ...

Страница 118: ...lator Inboard 1 ES 2 RS 352F Set Screw Retaining Ring 1 356A Stud Bearing Housing to Suction Discharge Casing 8 ES 16 RS 356J Tie Rod 8 356Y Stud Seal Chamber 8 357F Nut Tie Rod 8 357K Nut Seal Chamber 8 358 Drain Plug Casing 3 358A Plug Seal Chamber Flush 2 358C Plug Destage Casing optional stage dependent 358K Plug Bearing Housing Opening 1 ES 2 RS 358L Plug Balance Return 4 358M Plug Casing Bra...

Страница 119: ...ainer Guard to Bearing Housing 3 569F Cap Screw Guard to Bearing Housing 3 761B i ALERTTM 1 ES 2 RS SPARE AND REPAIR PARTS Spare parts stock should be based on customer s operating experience risk assessment cost of down time and part lead times In the absence of this information the following is offered as a guideline The quantities shown are on a per pump basis Items with an asterisk should be m...

Страница 120: ...Housing Cover M10x1 5 14 0 19 X X M12x1 7 5 24 32 X X 371S Cap Screw Bearing Housing Sump M10x1 5 14 0 19 X X M12x1 7 5 24 32 X X 469Y Cap Screw Retain ing Plate to Shaft M10x1 5 14 0 19 X X X X 569F Cap Screw Guard to Bearing Housing M6x1 3 0 4 X X X X 136A Locknut Bearing M40x1 5 65 88 X M45x1 5 75 101 X M55x2 105 142 X M70x2 175 237 X 356J 357F Tie Rod Tie Rod Nut 20x2 5 163 221 X 24x3 281 381 ...

Страница 121: ... Flange Size in Fx Fy Fz Σ F Mx My Mz Σ M Horizontal nozzle parallel to the shaft ES 5 550 440 360 790 1340 685 1020 1820 6 700 560 460 1010 1700 870 1300 2310 8 1100 850 700 1560 2600 1300 1900 3500 10 1500 1200 1000 2200 3700 1800 2800 5000 Vertical nozzle perpendic ular to the shaft RS 4 320 260 400 570 980 500 740 1330 5 440 360 550 790 1340 685 1020 1820 6 560 460 700 1010 1700 870 1300 2310 ...

Страница 122: ...ft ES and RS 2 5 200 165 250 360 520 260 395 705 4 320 400 260 570 980 500 740 1330 5 440 550 360 790 1340 685 1020 1820 6 560 700 460 1010 1700 870 1300 2310 Table 12 Discharge Nozzle Configuration Metric units Forces N Moments Nm Flange Size in Fx Fy Fz Σ F Mx My Mz Σ M Vertical nozzle perpendic ular to the shaft ES and RS 2 5 890 734 1112 1601 705 352 535 955 4 1423 1156 1779 2535 1328 678 1003...

Страница 123: ...the milled surface with a feeler gauge If not flat carefully and evenly loosen the four tie bolt nuts just enough to allow the casing feet to be moved so they are flat on the milled surface of the table Variation is to be 0 003 in If greater than 0 003 in reface to meet requirements or replace casing feet 8 Once the feet are flat on the table retighten tie rod nuts 1 thru 4 in the manner defined a...

Страница 124: ...5x4 8 65 20x2 5 N A 163 N A 221 4x5 10 100 24x3 140 281 191 381 5x6 11 125 30x3 5 280 559 379 758 6x8 13 150 36x4 488 976 662 1324 13 Re check flatness of casing feet against the milled surface with a feeler gauge Max variation is to be 0 003 in 14 Re mount dial indicators to shaft and measure and record the bearing housing face on the suction and discharge casings again If any readings exceed 0 0...

Страница 125: ...t and more information http www gouldspumps com Goulds Pumps 240 Fall Street Seneca Falls NY USA 2020 ITT Corporation The original instruction is in English All non English instructions are translations of the original instruction Form IOM 3393 en US 2020 08 ...

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