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ITT GOULDS PUMPS i-FRAME 3620 Installation, Operation And Maintenance Manual

Api type bb2 single stage / iso 13709 2nd ed/api 11th ed
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Installation, Operation, and
Maintenance Manual
3620 i-FRAME API type BB2 single stage / ISO
13709 2nd Ed/API 11th Ed

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Summary of Contents for ITT GOULDS PUMPS i-FRAME 3620

  • Page 1 Installation, Operation, and Maintenance Manual 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed...

  • 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 Ex-approved products ........................
  • Page 4 Table of Contents 4.6.2 Suction-piping checklist......................... 33 4.6.3 Discharge piping checklist......................35 4.6.4 Bypass-piping considerations ....................... 35 4.6.5 Auxiliary-piping checklist ....................... 36 4.6.6 Final piping checklist ........................36 5 Commissioning, Startup, Operation, and Shutdown ................... 37 5.1 Preparation for startup..........................37 5.2 Remove the coupling guard ........................
  • Page 5 9 Other Relevant Documentation or Manuals....................126 9.1 For additional documentation ........................ 126 10 Local ITT Contacts ............................127 10.1 Regional offices........................... 127 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance...

  • Page 6: Introduction And Safety

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

  • Page 7: Safety Terminology And Symbols

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

  • Page 8: Environmental Safety

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

  • Page 10: Ex-Approved Products

    Personnel requirements 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, the vapor, or both present in hazardous areas.

  • Page 11: Monitoring Equipment

    Compliance is fulfilled only when you operate the unit within its intended use. Do not change the condi- tions of the service without the approval of an ITT representative. When you install or maintain explosion proof products, always comply with the directive and applicable standards (for example, IEC/EN 60079–...

  • Page 12: 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 13: Transportation And Storage

    2 Transportation and Storage 2 Transportation and Storage 2.1 Inspect the delivery 2.1.1 Inspect the package Inspect the package for damaged or missing items upon delivery. Note any damaged or missing items on the receipt and freight bill. File a claim with the shipping company if anything is out of order. If the product has been picked up at a distributor, make a claim directly to the distributor.
  • Page 14 2.2 Transportation guidelines • Lifting and handling heavy equipment poses a crush hazard. Use caution during lifting and handling and wear appropriate Personal Protective Equipment (PPE, such as steel- toed shoes, gloves, etc.) at all times. Seek assistance if necessary. •...

  • Page 15: Storage Guidelines

    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. For questions about possible long-term storage treatment services, please contact your local ITT sales representative.

  • Page 16: Product Description

    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 17: General Description I-Alert®2 Equipment Condition Monitor

    3.2 General description i-ALERT®2 Equipment Condition Monitor • The oil level is viewed through a sight glass. • Constant-level oilers and labyrinth seals are standard. • No machining is required in order to convert the standard ring oil lube to either purge or pure mist. Pure mist applications require minor bearing end cover modifications.

  • Page 18: Nameplate Information

    3.3 Nameplate information More information available on http://www.ittproservices.com/aftermarket-products/monitoring/i-alert2/i- ALERT2.com 3.3 Nameplate information Important information for ordering Every pump has a nameplate that provides information about the pump. The nameplate is located on the pump casing. When you order spare parts, identify this pump information: •...
  • Page 19 3.3 Nameplate information Nameplate field Explanation Serial number of the pump CONT./ITEM NO. Customer contract or item number IMP. DIA. Rated impeller diameter, inches MAX. DIA. Maximum impeller diameter, inches STD. DIM. Standard ANSI dimensional code MAT'L Material of construction Nameplate on the pump casing using metric units Figure 5: Nameplate on the pump casing using metric units Nameplate field...
  • Page 20 3.3 Nameplate information classification at the site. If they are not compatible, do not operate the equipment and contact an ITT representative before proceeding. 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance...

  • Page 21: Installation

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

  • Page 22: Foundation Requirements

    4.1 Pre-installation 4.1.2 Foundation requirements Requirements • The foundation must weigh not less than three times the combined weight of the pump, driver, baseplate and auxiliaries. • Provide a flat, substantial concrete foundation in order to prevent strain and distortion when you tighten the foundation bolts.

  • Page 23: Baseplate-Mounting Procedures

    4.2 Baseplate-mounting procedures J-type bolts Item Description Baseplate Foundation Bolt Figure 8: J-type bolts 4.2 Baseplate-mounting procedures 4.2.1 Prepare the baseplate for mounting This procedure assumes you have a basic knowledge of baseplate and foundation design and installa- tion methods. Follow industry-standard procedures, such as API RP 686/ PIP REIE 686, or this proce- dure before you grout the baseplate.

  • Page 24: Prepare The Foundation For Mounting

    4.2 Baseplate-mounting procedures 4.2.2 Prepare the foundation for mounting Chip the top of the foundation to a minimum of 25.0 mm | 1.0 in. in order to remove porous or low- strength concrete. If you use a pneumatic hammer, make sure that it does not contaminate the surface with oil or other moisture.

  • Page 25: Install The Pump, Driver, And Coupling

    4.3 Install the pump, driver, and coupling The baseplate will rest on top of the foundation on the jackscrews provided on the baseplate. Adjust the leveling jackscrews, located adjacent to the foundation bolt holes, until the baseplate rests 25 to 50 mm | 1 to 2 in. above the foundation in order to allow for adequate grouting. This provides even support for the baseplate after grouting.

  • Page 26: Alignment Checks

    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. IMPORTANT •...

  • Page 27: Alignment Measurement Guidelines

    4.4 Pump-to-driver alignment 4.4.3 Alignment measurement guidelines Guideline Explanation Rotate the pump coupling half and the driver coupling half together This prevents incorrect measurement. so that the indicator rods have contact with the same points on the driver coupling half. Move or shim only the driver in order to make adjustments.

  • Page 28: Perform Angular Alignment For A Horizontal Correction

    4.4 Pump-to-driver alignment When the Then... reading val- ue is... 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. •...

  • Page 29: Perform Parallel Alignment For A Vertical Correction

    4.4 Pump-to-driver alignment Figure 13: Example of incorrect horizontal alignment (top view) Repeat the previous steps until the permitted reading value is achieved. 4.4.7 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 driver temperature rise and the pump operating temperature.

  • Page 30: Perform Parallel Alignment For A Horizontal Correction

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

  • Page 31: Perform Complete Alignment For A Horizontal Correction

    4.5 Grout the baseplate Set the angular and parallel dial indicators to zero at the top-center position (12 o’clock) of the driver coupling half (Y). Rotate the indicators to the bottom-center position (6 o’clock). Record the indicator readings. Make corrections according to the separate instructions for angular and parallel alignment until you obtain the permitted reading values.
  • Page 32 4.5 Grout the baseplate Item Description Baseplate Foundation Sleeve Bolt Grout Figure 16: Pour grout into baseplate Fill the remainder of the baseplate with grout, and allow the grout to set for at least 48 hours. Item Description Baseplate Foundation Sleeve Bolt Grout...

  • Page 33: Piping Checklists

    4.6 Piping checklists Tighten the foundation bolts. Recheck the alignment. 4.6 Piping checklists 4.6.1 General piping checklist Precautions WARNING: • Risk of premature failure. Casing deformation can result in misalignment and contact with rotating parts, 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.
  • Page 34 4.6 Piping checklists Checklist Check Explanation/comment Checked Check that all piping is supported in- • Strain on the pump dependently of, and lined up naturally • Misalignment between the pump and the drive unit with, the pump flange. See Alignment criteria for pump flanges.

  • Page 35: Suction-Piping Checklist

    4.6 Piping checklists 4.6.1.1 Fastening WARNING: Risk of serious personal injury 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. •...
  • Page 36 4.6 Piping checklists Check Explanation/comment Checked It is recommended that a commissioning Suction strainers help to prevent debris from entering (temporary) suction strainer be used. the pump After commissioning it is recommended an Recommended commissioning (temporary) strainer operating (permanent) suction strainer be mesh size: used.

  • Page 37: Discharge Piping Checklist

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

  • Page 38: Auxiliary-Piping Checklist

    When to install a minimum-flow orifice You can size and install a minimum-flow orifice in a bypass line in order to prevent bypassing excessive flows. Consult your ITT representative for assistance in sizing a minimum-flow orifice. When a minimum-flow orifice is unavailable Consider an automatic recirculation control valve or solenoid-operated valve if a constant bypass (mini- mum-flow orifice) is not possible.

  • 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 NOTICE: • Verify the driver settings before you start any pump. Refer to the applicable drive equip- ment IOMs and operating procedures. • Excessive warm-up rates can cause equipment damage. Ensure the warm-up rate does not exceed 1.4°C | 2.5°F per minute.

  • Page 41: Check The Rotation

    5.3 Check the rotation Slightly spread the bottom apart. Lift upwards. 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 42: Coupling Guard Assembly

    5.4 Couple the pump and driver Slide the rotor towards the outboard end of the motor as far as it will go and mark the shaft at the motor frame. Slide the rotor towards the inboard end of the motor as far as it will go and mark the shaft again.
  • Page 43 5.4 Couple the pump and driver • Refer to driver/coupling/gear manufacturer's installation and operation manuals (IOM) for specific instructions and recommendations. Parts required Part No. Description Part No. Description 569E Hex head bolt (Qty 3) 534A Washer (Qty 4) 501B Guard (Qty 2) 534B Retainer (Qty 3)
  • Page 44 5.4 Couple the pump and driver Align the pump cover (234A) to the outboard end cover (160) so the holes in the pump cover align with the holes in the outboard end cover. Replace the four outboard end cover bolts (371D) and torque to the value shown in the 6.6.11 Assembly references on page 111.
  • Page 45 5.4 Couple the pump and driver 534A 569E 570E 534B 534A Figure 21: Captured hardware component assembly Install the bolt retainer (534B) over the exposed end of the bolt, and the U-Nut (570E) into the slot in the coupling guard if it was not done from the factory. Thread bolt (569E) into the U-Nut (570E) and tighten firmly.
  • Page 46 5.4 Couple the pump and driver 234B Item Description Driver Annular groove Figure 23: Align driver end guard half with annular groove in endplate Repeat Steps 3. through 5. for the rear end of the coupling guard half, except that you hand tighten the bolt.

  • Page 47: Bearing Lubrication

    5.5 Bearing lubrication 5.5 Bearing lubrication Precautions WARNING: Risk of explosive hazard and premature failure from sparks and heat generation. Ensure bearings are properly lubricated prior to startup. Pumps are shipped without oil You must lubricate oil-lubricated bearings at the job site. Ring oil lubrication Ring oil-lubricated bearings are standard.

  • Page 48: Lubricating-Oil Requirements

    5.5 Bearing lubrication All frames in this table use a Watchdog Oiler, which has a capacity of 118 ml | 4 oz. Size Radial Bearing Drive End Bearing Housing Thrust Bear- Non Drive End Bearing Hous- Oil Volume ing Oil Volume ounces ounces Sleeve...

  • Page 49: Replace The Oil Filter

    5.5 Bearing lubrication Ring oil-lubricated pumps are supplied with an oiler that maintains a constant oil level in the bearing housing. Fill the oil reservoir in the bearing frame: Fill the bearing chamber through the main body of the Watchdog until it reaches the optimum fluid level visible in the bullseye sight.
  • Page 50 5.5 Bearing lubrication 113Q 113Q 113Q 113Q 550A 550A 1. Non-filter side 2. Filter side 3. Shaft rotation C.W. 4. Shaft rotation C.C.W. Figure 26: Oil filter and plug removal Unscrew the filter (550A), part number K08174A from the plug (113Q), part number K06818A. Keep the plug (113Q) and discard the old filter (550A).

  • Page 51: Lubricate The Bearings With Pure Or Purge-Oil Mist (Optional)

    5.5 Bearing lubrication 428E 428E 550A Figure 28: Filter kit Screw the new filter (550A) into the existing plug (113Q) and install the new o-rings (428E) to the filter side plug (113Q) and the non-filter side plug (113Q). See Figure 29: New filter installation on page 113Q 113Q...
  • Page 52 5.5 Bearing lubrication Note that only one of the two connection ports in the radial bearing housing is used (immediately above the single row radial bearing). You must connect to both connections on the thrust bearing housing, because there are two rows of bearings. 551E 133H 133H...

  • Page 53: Lubricate The Bearings With Pressurized Lubrication

    5.5 Bearing lubrication The 1/2 in. NPT connection (551E) remains plugged because it is not required in the oil-mist sys- tem. On the thrust housing, replace the 1/4 in. NPT plug (133H) with an oil-mist fitting. Replace the 1/2 in. NPT plug (551E) with a 1/2 in. to 1/4 in. bushing and insert an oil-mist fitting provided by the oil- mist system manufacturer.

  • Page 54: Thrust Bearing Cooling Fan (Optional)

    5.5 Bearing lubrication Item Description Thrust bearing housing oil drain Radial bearing housing oil drain Figure 32: Oil drain locations 5.5.8 Thrust Bearing Cooling Fan (Optional) Precautions WARNING: • Running a pump without safety devices exposes operators to risk of serious personal in- jury or death.

  • Page 55: Lubricate The Bearings After A Shutdown Period

    5.5 Bearing lubrication 234D 392B 234E 332C 785D 371C 569F 534D 222V 570F 534E 1. Fan Detail 2. Guard Detail Figure 33: Cooling fan assembly 5.5.8.1 Install the fan guard Is the pump endplate (234D) already installed? If yes; install fan (392B) and tighten set screws (222V) and then proceed to step 2. If no;...

  • Page 56: Shaft Sealing With A Mechanical Seal

    Cartridge seals installed by the user require disengagement of the hold- ing clips prior to operation, allowing the seal to slide into place. If the seal has been installed in the pump by ITT, these clips have already been disengaged. Other mechanical seal types For other types of mechanical seals, refer to the instructions provided by the seal manufacturer for instal- lation and setting.

  • Page 57: Pump Priming

    5.8 Pump priming Seal flushing methods Table 1: You can use these methods in order to flush or cool the seal: Method Description Product flush Run the piping so that the pump pushes the pumped fluid from the casing and injects it into the seal gland. If necessary, an external heat exchanger cools the pumped fluid before it enters the seal gland.

  • Page 58: Start The Pump

    5.10 Start the pump Item Description Discharge isolation valve Check valve Suction isolation valve Figure 34: Suction supply above pump 5.10 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.

  • Page 59: I-Alert®2 Equipment Health Monitor

    5.11 i-ALERT®2 Equipment Health Monitor Stop the driver. Prime the pump again. Restart the driver. Monitor the pump while it is operating: Check the pump for bearing temperature, excessive vibration, and noise. If the pump exceeds normal levels, then shut down the pump immediately and correct the prob- lem.

  • Page 60: Shut Down The Pump

    5.13 Shut down the pump • Establish baseline vibration readings in order to determine normal running conditions. If the unit is running roughly, then consult the factory. • Monitor all gauges to ensure that the pump is running at or near rating and that the suc- tion screen (when used) is not clogged.

  • Page 61: Make The Final Alignment Of The Pump And Driver

    5.15 Make the final alignment of the pump and driver NOTICE: Always reset the health monitor when the pump is started after maintenance, system change, or being shut down for an extended period of time. Failure to do so may result in false baseline levels that could cause the condition monitor to alert in error.

  • Page 62: Installing The Driver

    5.16 Doweling the pump casing If the temperature differential is high the baseplate is supplied with provision to accommodate differential temperature doweling. This design ensures the alignment between the pump and driver is maintained while allowing the case to thermally move. When the driver is mounted at the factory, the driver is not doweled in order to allow for final field align- ment.

  • Page 63: Doweling For High Differential Temperature Service

    5.16 Doweling the pump casing NOTICE: This procedure should not be followed if the pump and baseplate have been supplied with dif- ferential temperature doweling (See Doweling for high differential temperature service). Required tools • Two number 7 taper pins •...
  • Page 64 5.16 Doweling the pump casing 533C 469E 371D 463A 1. Drive end 2. Non drive end Item Description Part no. Drive end dowel pin (installed in case) Non drive end dowel pin (installed in case) Hex cap screws 371D Drive end guide block Non drive end guide block 463A Taper pins...
  • Page 65 5.16 Doweling the pump casing 372W 427A 533B Item Description Part No. Tighten lower hex nut 1/3 to 1/2 turn beyond hand tight to ensure Belleville washers are compressed. Stud 372W Hex nuts 427A Belleville washers Hardened flat washers 533B Figure 36: Pump foot mounting detail Tighten lower hex nut 1/3 to 1/2 turn beyond hand tight to ensure belleville washers are com- pressed.

  • Page 66: 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 67: Bearing Maintenance

    Cartridge seals installed by the user require disengagement of the hold- ing clips prior to operation, allowing the seal to slide into place. If the seal has been installed in the pump by ITT, these clips have already been disengaged. Other mechanical seal types For other types of mechanical seals, refer to the instructions provided by the seal manufacturer for instal- lation and setting.

  • Page 68: Disassembly

    6.4 Disassembly Before you start the pump Check the seal and all flush piping. Mechanical seal life The life of a mechanical seal depends on the cleanliness of the pumped fluid. Due to the diversity of op- erating conditions, it is not possible to give definite indications as to the life of a mechanical seal. 6.4 Disassembly 6.4.1 Disassembly precautions WARNING:...

  • Page 69: Prepare For Disassembly

    6.4 Disassembly • Drill • Feeler gauges • Hex wrenches • Induction heater • Lifting sling • Micrometers (inside and outside) • Open end wrenches • Press • Soft face hammer • Spanner wrench • Spanning type puller • • Torque wrench with sockets •...

  • Page 70: Disassemble The Radial End (Ball Bearing Pumps)

    6.4 Disassembly Unbolt and remove the coupling spacer (235B). Follow the instructions provided by the coupling manufacturer for assistance. Remove the coupling guard pump endplate (234A). Remove the coupling nut (520) from the tapered shaft end on the pump. 10. Remove the coupling hub (233) from the pump. •...

  • Page 71: Disassemble The Thrust End (Ball Bearing Pumps)

    6.4 Disassembly 333A 371D 360A Figure 39: Radial bearing removal Remove the inboard bearing end cover (160), the inboard labyrinth seal (333A), and the bearing housing gasket (360A) will come off with the inboard cover (160). 12. Remove the seal gland nuts (355) and the mechanical seal (383). Refer to the instructions provided by the mechanical seal manufacturer.
  • Page 72 6.4 Disassembly If the pump has the optional bearing cooling fan, remove the guard endplate (234E), guard (785D), cooling fan (392B) and pump endplate (234D). Remove the bearing end cover bolts (371C and 371D) from the outboard thrust bearing end cover (109A).

  • Page 73: Disassemble The Radial End (Sleeve/Ball Bearing Pumps)

    6.4 Disassembly 6.4.6 Disassemble the radial end (sleeve/ball bearing pumps) 113Q 550A Item Description Taper pin Jack bolt Figure 42: Disassemble the radial end Remove the oil filter (550A) and filter plug (113Q) from the bearing frame (134) Remove the two taper pins between the upper and lower halves of the bearing housing (134). Remove the hex cap screws that connect the upper and lower halves of the bearing housing.
  • Page 74 6.4 Disassembly Remove the upper half of the sleeve bearing (117). NOTICE: There is an anti-rotation pin on the lower half of the sleeve bearing (117) at the parting flange of the bearing frame (134). Remove the dowel pins (469J) that hold the lower half of the bearing housing to the casing flange. 427J 469J Figure 44: Dowel pin removal...

  • Page 75: Disassemble The Thrust End (Sleeve/Ball Bearing Pumps)

    6.4 Disassembly 6.4.7 Disassemble the thrust end (sleeve/ball bearing pumps) 134A 113Q 550A 371C 360A 785C 134A 114A 109A 332C 134A Item Description Taper pin Jack bolt Figure 46: Thrust end disassembly Remove the oil filter (550A) and filter plug (113Q) from the bearing housing (134A). If the pump has the optional thrust bearing cooling fan, remove the guard endplate (234E), cowling (785D), cooling fan (392B), and pump endplate (234D).
  • Page 76 6.4 Disassembly 10. Remove the dowel pins (469J) that hold the lower half of the bearing housing to the casing flange. 469J 371T 134A 427J Figure 48: Dowel pin removal Loosen the nuts (427J) that hold the bearing housing in place. The bearing housing will rest on the studs.

  • Page 77: Disassemble The Radial End (Sleeve/Tilt Pumps)

    6.4 Disassembly WARNING: The pump may handle hazardous and/or toxic liquids. Trapped or undrained liquid can cause explosions when heat is applied. Never apply heat at the pump site for this reason. Heat can also distort machined surfaces. 19. If applicable - Remove bearing spacer (443V). 20.
  • Page 78 6.4 Disassembly Figure 51: Radial sleeve bearing removal Remove the two socket head cap screws that connect the upper and lower halves of the sleeve bearing (117). Remove the upper half of the sleeve bearing (117). NOTICE: There is an anti-rotation pin on the lower half of the sleeve bearing (117) at the parting flange of the bearing frame (134).

  • Page 79: Disassemble The Thrust End (Sleeve/Tilt Pumps)

    6.4 Disassembly 12. Rotate the lower half of the sleeve bearing (117) around the shaft (122) in order to remove the bear- ing from the lower housing. 13. Remove the lower half of the bearing housing (134). 14. Remove the outboard labyrinth seal (332A) and the inboard labyrinth seal (333A). Figure 53: Labyrinth seal removal 6.4.9 Disassemble the thrust end (sleeve/tilt pumps) Figure 54: Thrust bearing housing disassembly...
  • Page 80 6.4 Disassembly Remove the other half of the coupling (118) from the pump shaft (122) by removing the set screw located above the key. Remove the coupling key. If the pump was not supplied with a main shaft oil pump (219), remove the hex cap screws (370N) to remove the adapter cover (119C).

  • Page 81: Guidelines For I-Alert®2 Equipment Health Monitor Disposal

    6.4 Disassembly Figure 55: Thrust dowel pin removal 24. Loosen and remove the nuts (427J) that hold the bearing housing (134A) in place. 25. Rotate the lower half of the sleeve bearing (117) around the shaft (122) in order to remove the bear- ing from the lower housing.

  • Page 82: Disassemble The Rotating Assembly

    6.4 Disassembly 6.4.11 Disassemble the rotating assembly 356A 351C Figure 56: Head removal Loosen and remove the head to case nuts (425). Use the jackscrews provided with the pump in order to loosen the head (184) from the casing (100). WARNING: Risk of severe physical injury or death from explosion of trapped liquid.
  • Page 83 6.4 Disassembly 351C Figure 57: Lifting rotating element using sling Reposition the slings around the impeller (101) on the locknuts (124 and 130). Pull the rotor out of the pump. 10. Remove the casing gaskets (351 and 351C). Remove the thrust end impeller locknut (130). You do not need to remove the radial locknut (124) from the shaft unless you plan to replace either the radial locknut or the shaft.

  • Page 84: Preassembly Inspections

    6.5 Preassembly inspections Size Radial Bearing Size Ball/Ball Ar- Sleeve/Ball Ar- Sleeve/Tilt Pad rangement rangement Arrangement 1 Dimension mm | inch 14X18-20Q 405 | 15.94 All others 414 | 16.32 6318 18X20-21A 451 | 17.76 402 | 15.82 6320 All others 520 | 20.46 20X24-25A 559 | 22.00...
  • Page 85 6.5 Preassembly inspections This table shows the criteria for replacing the impeller: Impeller parts When to replace Impeller vanes • When grooved deeper than 1.6 mm | 1/16 in., or • When worn evenly more than 0.8 mm | 1/32 in. Pumpout vanes When worn or bent more than 0.8 mm | 1/32 in.
  • Page 86 6.5 Preassembly inspections Impeller areas to inspect A. Shroud B. Wear ring C. Vane Figure 60: Impeller inspection Oil ring replacement Oil rings must be as round as possible in order to function properly. Replace oil rings if they are worn, distorted, or damaged beyond reasonable repair.

  • Page 87: Shaft Replacement Guidelines

    6.5 Preassembly inspections 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. Gaskets, O-rings, and seats replacement WARNING: Risk of death or serious injury.

  • Page 88: Bearings Inspection

    6.5 Preassembly inspections Shaft inspection NOTICE: Do not use shaft centers for the runout check as they may have been damaged during the re- moval of the bearings or impeller. Figure 62: Shaft inspection Shaft surface check Check the shaft surface for damage. Replace the shaft if it is damaged beyond reasonable repair. Rotor Allowable runouts of the fully assembled rotor are listed in the Shaft and rotor runout requirements table.
  • Page 89 6.5 Preassembly inspections Checklist Perform these checks when you inspect the bearings: • Inspect the bearings for contamination and damage. • Note any lubricant condition and residue. • Inspect the ball bearings to see if they are loose, rough, or noisy when you rotate them. •...

  • Page 90: Replace The Wear Parts

    6.5 Preassembly inspections 6.5.4 Replace the wear parts 6.5.4.1 Replace the case wear rings and throat bushings Figure 64: Wear rings and bushing replacement The wear rings and bushings (164, 125) are held in place by a press fit and three tack welds or three setscrews.
  • Page 91 6.5 Preassembly inspections 6.5.4.2 Replace the impeller wear rings The impeller wear rings (142) are held in place by a press fit and three setscrews (320). Remove the impeller wear rings: Remove the setscrews. Remove the wear rings from the impeller (101). Use suitable pry or puller tools to force the rings from the fits.
  • Page 92 6.5 Preassembly inspections NOTICE: The impeller and wear-ring clearance setting procedures must be followed. Improperly set- ting the clearance or not following any of the proper procedures can result in sparks, unexpect- ed heat generation, and equipment damage. All replacement impeller wear rings, except those that are hard-faced, are supplied 0.508 mm to 0.762 mm | 0.020 in.

  • Page 93: Reassembly

    6.6 Reassembly Diameter of rotating member at clearance Minimum diametrical clearance 600.00 to 624.99 24.000 to 24.999 0.91 0.036 625.00 to 649.99 25.000 to 25.999 0.94 0.037 For diameters greater than 649.99 mm | 25.999 in., the minimum diametrical clearances shall be 0.94 mm | 0.037 in.

  • Page 94: Install The Rotating Element Assembly

    6.6 Reassembly NOTICE: Make sure the threads are clean. Deburr if necessary. Apply an anti-seize compound to the threads. Install the impeller wear ring (142). See Replace the wear rings in the Preassembly inspections section. Install the casing and head wear rings (164). See Replace the wear rings in the Preassembly inspections section.
  • Page 95 6.6 Reassembly 351C Figure 68: Lifting rotating element using sling NOTICE: Make sure to position the shaft fully into the radial end of the pump before starting the head-to- casing assembly. This prevents damage to the internal components. Assemble new inner (351C) and head (351) gaskets on the head (184). Apply a liberal amount of high-vacuum grease to hold the gaskets in place.
  • Page 96 6.6 Reassembly Install a nut (425) on each stud (356A). Mark each stud (356A) as shown below. Figure 70: Stud marking Tighten the nuts (425) to 30% full torque using the star pattern shown starting with stud (356A) no. 1. Tighten the nuts (425) to 60% full torque using the star pattern shown starting with stud (356A) no.
  • Page 97 6.6 Reassembly 356A 125B Figure 72: Mount the cartridge mechanical seal on the thrust end 6.6.2.1 Confirm the seal chamber runout The bearing housings are doweled to the head (184) and casing (100) during the original build. However, in order to assure the correct running position of the shaft, use this procedure in order to confirm the seal chamber runout before you install the cartridge mechanical seals: Install the old bearings on the shaft and bolt the bearing housings to the casing and head.

  • Page 98: Assemble The Thrust End (Ball Bearing Pumps)

    6.6 Reassembly Pump Size Group Radial bearing Thrust bearing Maximum Allowable Total Indicated Run- mm | inch 6318 7318/BECBM 0.0889 | 0.0035 53Q/55Q 6320 7320/BECBM 0.0889 | 0.0035 6224 7320/BECBM 0.0889 | 0.0035 Size Seal Chamber Bore Maximum Allowable Total Indicated Runout mm | inch mm | inch 100.0 | 3.937...
  • Page 99 6.6 Reassembly NOTICE: Do not set the mechanical seal sleeve set screws at the time; endplay must be checked first or damage to the seal faces could occur. Assemble the inboard labyrinth seal (333A) into the inboard thrust end cover (160): Clean the end cover with a solvent.
  • Page 100 6.6 Reassembly When you have achieved the proper bearing assembly, set the lockwasher tab in the slot in the locknut. 371C 134 114A 360A 109A 371D 332C 785C 113Q 550A 113R 113R 427J 469J 371T Figure 74: Thrust bearing housing assembly Install the bearing housing (134) over the bearings.

  • Page 101: Assemble The Radial End (Ball Bearing Pumps)

    6.6 Reassembly This table shows the clearance requirements between the thrust bearing end cover and the bearing: Bearing type Clearance in millimeters | inches Ball/ball 0.127-0.254 | 0.005-0.010 Sleeve/ball 0.127-0.254 | 0.005-0.010 Sleeve/tilt pad 0.127-0.254 | 0.005-0.010 6.6.4 Assemble the radial end (ball bearing pumps) 333A 371D 360A...
  • Page 102 6.6 Reassembly CAUTION: Risk of physical injury from hot bearings. Wear insulated gloves when using a bearing heater. NOTICE: Do not use a torch and do not force. Coat the internal surface of the bearings with the lubricant that is to be used in service. Assemble the radial-end bearing (168) onto the shaft (122).

  • Page 103: Assemble The Thrust End (Sleeve/Ball Bearing Pumps)

    6.6 Reassembly NOTICE: Make sure that the expulsion port is at the 6 o'clock position and is properly seated. 10. Install the end cover (160). Tighten all end-cover capscrews (371D). Install a new oil filter (550A) and filter plug (113Q). 6.6.5 Assemble the thrust end (sleeve/ball bearing pumps) Prior to beginning assembly, push the rotor assembly towards the thrust end until it stops.
  • Page 104 6.6 Reassembly The bearings are interference fit. Preheat the bearings to 120°C | 250°F with an induction-type bearing heater. Be sure to also demagnetize the bearings after heating. CAUTION: • Risk of physical injury from hot bearings. Wear insulated gloves when using a bearing heater.
  • Page 105 6.6 Reassembly 813F 469Y 361A 134A Figure 79: Installation of bearing retainer Install the thrust bearing retainer (361A). Secure the retainer with the screws (469Y) and nuts (813F). Position the retainer tab into the lower bearing frame (134A) slot. Lift the lower half of the bearing housing (134A) into place, positioning the sleeve bearing oil ring (114) in the bearing housing groove.
  • Page 106 6.6 Reassembly 134A 113Q 550A 371C 360A 785C 134A 114A 109A 332C 134A Item Description Taper pin Jackbolt Figure 81: Thrust bearing housing assembly 13. Install the upper half of the bearing housing (134A). ® ® Prior to installing the upper half, apply a thin even coat of Permatex Aviation Form-A-Gasket equivalent) to the lower half bearing housing to prevent possible oil seepage.

  • Page 107: Assemble The Radial End (Sleeve/Ball Bearing Pumps)

    6.6 Reassembly 6.6.6 Assemble the radial end (sleeve/ball bearing pumps) Install the cartridge mechanical seal (383) on the shaft (122) and align the mechanical seal pilot with the seal chamber bore of the casing. Install the mechanical seal studs (353) and hex nuts (355).

  • Page 108: Assemble The Thrust End (Sleeve/Tilt Pumps)

    6.6 Reassembly Apply Lucas Heavy Duty Oil Stabilizer, or equivalent lubricant to the lower half of the sleeve bearing (117). Place the lower half of the sleeve bearing (117) onto the shaft (122) and slide it around the shaft into the lower bearing housing, moving the oil ring accordingly. Install the dowel pins (469J) in the pre-drilled dowel pin holes between the housing flange and the case bearing flange.
  • Page 109 6.6 Reassembly Figure 85: Thrust inboard labyryth seal installation NOTICE: Make sure the expulsion port is at the 6 o’clock position and is properly seated. Lift the lower half of the bearing housing (134A) into place. Install the case-to-bearing housing studs (371T). Place the installed inboard labyrinth seal (333A) in the lower housing.

  • Page 110: Assemble The Radial End (Sleeve/Tilt Pumps)

    6.6 Reassembly Install the two socket head cap screws that hold the upper and lower halves of the sleeve bear- ing (117) together. Install the inboard floating oil seal (123G). 10. Install the bearing spacer (443V) and thrust collar key (282). Install the thrust collar onto the shaft (122) using the thrust collar key (282).
  • Page 111 6.6 Reassembly Figure 87: Radial inboard labyryth seal installation NOTICE: Make sure the expulsion port is at the 6 o’clock position and is properly seated. Lift the lower half of the bearing housing (134) into place. Install the case-to-bearing housing studs (371T). Place the installed inboard labyrinth seal (333A) in the lower housing.

  • Page 112: Attach The I-Alert®2 Equipment Health Monitor To The Pump

    6.6 Reassembly Apply Lucas Heavy Duty Oil Stabilizer, or equivalent lubricant to the lower half of the sleeve bearing (117). Place the lower half of the sleeve bearing (117) on the shaft (122) and slide it around the shaft into the lower bearing housing. One may need to use the adjusters to lift the frame first.

  • Page 113: Assembly References

    6.6 Reassembly • Open the isolation valves and check the pump for leaks. 6.6.11 Assembly references 6.6.11.1 Maximum torque values for fasteners Goulds 2226, 2228, 2229, ASTM A193 B8 and B8M, ASTM A276 Tp 304, ASTM A582 Tp 303, SAE F593 Table 3: 300 Series Stainless Steel Fasteners 2226, 2228: 303, 304SS, SAE F593 A193 B8, B8M Cl 1, A276 Tp 304,...
  • Page 114 6.6 Reassembly 2226, 2228: 303, 304SS, SAE F593 A193 B8, B8M Cl 1, A276 Tp 304, Group 1 2229: 316SS, SAE F593 A582 Tp 303 Group 2 Yield strength: Yield strength=30000 psi Bolt Dia. (D) Tensile Stress 65000 psi for 0.25 <=dia<=0.625 (in.–...
  • Page 115 6.6 Reassembly 2238, 2239 (A 193 B7) ¼-2 ½ dia: Sult = 125 2299 (A 320 L7) ¼-2 ½ ksi, Sy=105 ksi over 2 ½ – 4: Sult = 115 ksi, dia: Sult = 125 ksi, Sy=95 ksi over 4 – 7: Sult = 100 ksi, Sy=75 ksi Sy=105 ksi Bolt Dia.
  • Page 116 6.6 Reassembly Bolt Dia. (D) (in.– threads/ Tensile Stress Area Torque N-m | ft-lbs Nickel Max. Preload (lbs) inch) (Ab) (sq-in) or Moly Anti-seize, K=0.15 1.875-8 2.414 60833 1933 | 1426 2-4.5 2.498 62950 2134 | 1574 2.771 69829 2367 | 1746 2.125-8 3.152 79430...
  • Page 117 6.6 Reassembly • Labyrinth seal, outboard (332A) • Labyrinth seal, outboard (332C) • Labyrinth seal, inboard (333A) • Head gasket (351) • Head gasket, inner (351C) • Bearing lockwasher (382) • Bearing end-cover gasket (360A) 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance Manual...

  • Page 118: Troubleshooting

    The foot valve or suction pipe Consult an ITT representative for opening is not submerged the proper submersion depth. enough. Use a baffle in order to eliminate vortices.

  • Page 119: Alignment Troubleshooting

    If this does not help, then contact your ITT representative. The liquid is heavier than ex- Check the specific gravity and pected. viscosity.

  • Page 120: I-Alert®2 Equipment Health Monitor Troubleshooting

    7.3 i-ALERT®2 Equipment Health Monitor troubleshooting ® 7.3 i-ALERT 2 Equipment Health Monitor troubleshooting ® ® To troubleshoot the i-ALERT 2 Equipment Health Monitor, please refer to the i-ALERT 2 Equipment Health Monitor IOM or https://www.ittproservices.com/Our-Services/Aftermarket-Products/Monitoring/i- ALERT2-condition-monitor/ 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance Manual...

  • Page 121: Parts Listings And Cross-Sectionals

    8 Parts Listings and Cross-Sectionals 8 Parts Listings and Cross-Sectionals 8.1 Parts list Part Descrip- Item S-8N A-8N tion 9734/12 9734/12 9734/12 9734/12 9495/12 9497/12 9523/13 9734/12 9497/12 Casing 9803/12 9166/12 9168/12 9436/12 9168/12 9436/12 9524/13 9365/12 9365/12 Impeller Coupling, 108F Threaded - Watchdog...
  • Page 122 8.1 Parts list Part Descrip- Item S-8N A-8N tion Radial Bear- Impeller Key 2226 2244 2226 2435 2226 2226 Key, Coupling 178Y 2213 - IMO Pump Head 9734/12 9734/12 9734/12 9734/12 9495/12 9497/12 9523/13 9734/12 9497/12 IMO Oil Pump Set Screw, 222B 2229 2435...
  • Page 123 8.1 Parts list Part Descrip- Item S-8N A-8N tion 351C Gasket, Spiral Wound Stainless Steel (316) Spiral Spiral Wound Heads (Inner) Wound Stainless Steel Duplex (316) Stud - Gland 5426 Nut - Gland 5427 356A Stud - Casing 2239 1/2ʺ 14 NPT 358M 2210 Pipe Plug...
  • Page 124 8.1 Parts list Part Descrip- Item S-8N A-8N tion 409L Pipe Plug 2210 (Bearing Cooling) Bolt, Hex Tap 2210 (Jacking) Hex Nut, Cas- 2285 ing Stud 427J Hex Flanged 2341 Nut, Housing to Casing 441A Filler Plate 2210 Sleeve Oil 443B 2210 Ring (Thrust)

  • Page 125: Cross-Sectional Diagrams

    8.2 Cross-sectional diagrams 8.2 Cross-sectional diagrams Model 3620 i-FRAME - Ball Ball 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance Manual...
  • Page 126 8.2 Cross-sectional diagrams Model 3620 i-FRAME - Sleeve Ball 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance Manual...
  • Page 127 8.2 Cross-sectional diagrams Model 3620 i-FRAME - sleeve/tilt 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance Manual...

  • Page 128: Other Relevant Documentation Or Manuals

    9 Other Relevant Documentation or Manuals 9.1 For additional documentation For any other relevant documentation or manuals, contact your ITT representative. 3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance Manual...

  • Page 129: 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 130 Visit our website for the latest version of this document and more information: http://www.gouldspumps.com Form IOM.3620i-Frame.en-US.2020-03/BBE/1020...

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