Goulds Pumps 3700 Installation, Operation And Maintenance Manual
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Goulds Pumps 3700 Installation, Operation And Maintenance Manual

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  • Page 3: Table Of Contents

    Commissioning, Startup, Operation, and Shutdown ............35 Preparation for startup ......................35 Remove the coupling guard ....................36 Check the rotation ......................... 36 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 4 Post-assembly checks ......................98 Assembly references ......................98 Troubleshooting ........................101 Operation troubleshooting ....................101 Alignment troubleshooting ....................102 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 5 Parts Listings and Cross-Sectional Drawings ..............103 Parts list ..........................103 Local ITT Contacts ......................105 Regional offices ........................105 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 6: Introduction And Safety

    You must observe the instructions contained in this manual. Failure to do so could result in physical injury, damage, or delays. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 7: Safety Terminology And Symbols

    • Appropriately dispose of all waste. • Handle and dispose of the processed liquid in compliance with applicable environmental regulations. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 8: User Safety

    • Allow all system and pump components to cool before you handle them. • Make sure that you have a clear path of retreat. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 9: Product Approval Standards

    Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 10: Product Warranty

    ITT undertakes to remedy faults in products from ITT under these conditions: • The faults are due to defects in design, materials, or workmanship. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 11 ITT products are high-quality products with expected reliable operation and long life. However, should the need arise for a warranty claim, then contact your ITT representative. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 12: Transportation And Storage

    A base-mounted pump Use slings under the pump casing and the drive unit, or under the base rails. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 13 Transportation and Storage Examples Figure 1: Example of a proper lifting method Figure 2: Example of a proper lifting method Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 14: Storage Guidelines

    Upon receipt/short-term (less than six months) • Store in a covered and dry location. • Store the unit free from dirt and vibrations. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 15: Frostproofing

    The pump is frostproof. Lifted out of a liquid into a temperature below The impeller might freeze. freezing Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 16: Product Description

    • Impeller bolt with a lockwasher • Impeller nut with a locking set screw Table 3: Impeller 3700/3710 3700LF/3703 Enclosed Impeller Semi-open Impeller Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 17: Nameplate Information

    Refer to the nameplate on the pump casing for most of the information. See Parts List for item numbers. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 18 Rated impeller diameter MAX. DIA. Maximum impeller diameter STD. DIM. Standard ANSI dimensional code MAT'L Material of construction Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 19 Nameplate field Explanation Group 2 Category 2 Pump can be used when gas and dust are present Temperature class Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 20 If they are not compatible, do not operate the equipment and contact your ITT representative before you proceed. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 21: Installation

    • Provide a flat, substantial concrete foundation in order to prevent strain and distortion when you tighten the foundation bolts. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 22: Baseplate-Mounting Procedures

    Make sure to remove all equipment before sandblasting. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 23: Prepare The Foundation For Mounting

    Make sure that the distance between the baseplate and the foundation surface is between 0.75 in. (19 mm) and 1.50 in. (38 mm). Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 24: Install The Pump, Driver, And Coupling

    2. Mount the driver on the baseplate. Use applicable bolts and hand tighten. 3. Install the coupling. See the installation instructions from the coupling manufacturer. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 25: Pump-To-Driver Alignment

    This ensures correct alignment when both the pump and the driver are at operating temperature. Periodically This follows the plant operating procedures. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 26: Permitted Indicator Values For Alignment Checks

    Attach the other indicator (A) so that the indicator rod comes into contact with the inner end of the driver coupling half. This indicator is used to measure angular misalignment. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 27: Pump-To-Driver Alignment Instructions

    • Slide the shaft end of the driver to the right. • Slide the opposite end to the left. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 28 2. Rotate the indicator through the top-center position to the right side, 180° from the start position (3 o’clock). 3. Record the indicator reading. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 29: Grout The Baseplate

    Standard 610, 10th Edition, Appendix L; API RP 686, Chapter 5; and other industry standards. 1. Clean all the areas of the baseplate that will come into contact with the grout. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 30 7. Remove the leveling jackscrews after the grout hardens in order to remove any stress points. 8. Tighten the foundation bolts. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 31: Piping Checklists

    Alignment criteria for pump flanges Type Criteria Axial The flange gasket thickness is ±0.03 in. (0.8 mm). Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 32: Suction-Piping Checklist

    Mesh holes with a minimum diam- suction piping. eter of 1/16 in. (1.6 mm) are recommended. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 33 The correct distance between the inlet flange of the pump and the closest elbow must be at least five pipe diameters. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 34: Discharge Piping Checklist

    This protects the pump from surges and water the system, check that cushioning de- hammer. vices are used. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 35: Bypass-Piping Considerations

    The mechanical seal must have an appropriate seal-flush system. Otherwise, excess heat generation and seal failure can occur. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 36: Final Piping Checklist

    Re-check the alignment to make If pipe strain exists, then correct sure that pipe strain has not the piping. caused any misalignment. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 37: Commissioning, Startup, Operation, And Shutdown

    Variable speed operation is limited to 2700 to 3600 rpm unless a lateral critical speed analysis has been conducted by the factory and the speed range has been Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 38: Remove The Coupling Guard

    3. Make sure that the coupling spacer is removed. The pump ships with the coupling spacer removed. 4. Unlock power to the driver. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 39: Couple The Pump And Driver

    6. 3/8-16 x 2 in. hex head bolt, 3 required Install the coupling guard 1. Is the end plate (pump end) already installed? Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 40 Refer to the instructions from the coupling manufacturer for assistance. Complete any coupling adjustments before you proceed with the coupling guard assembly. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 41 5. Thread a nut onto the exposed end of the bolt and tighten firmly. This figure shows the proper sequence of components: Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 42 1. Annular groove 2. Coupling guard half 3. Driver Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 43 • If yes: Make any necessary coupling adjustments and then proceed to step 2. • If no: Complete the following steps: Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 44 Position the thrust deflector fan approximately 0.03 in. (0.8 mm) from the thrust bearing end cover and firmly tighten the deflector set screw. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 45 1. Rear coupling guard half 2. Annular groove 3. Deflector fan guard 4. Driver Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 46 1. Nut 2. Washer 3. Bolt This figure shows an assembled unit: 1. Driver 2. Coupling guard half Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 47 10. Repeat steps 5 through 7 for the rear end of the coupling guard half, except that you hand tighten the nut. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 48: Bearing Lubrication

    All frames in this table use a Watchdog Oiler, which has a capacity of 4 oz. (118 ml). Frame Frame oil volume ounces milliliters 1115 MX, LA 1385 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 49 Verify that proper oil level is maintained per the following diagram. NOTICE: Do not fill the oil reservoir of the bearing frame through the plug at the top. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 50: Shaft Sealing With A Mechanical Seal

    The mechanical seal used in an Ex-classified environment must be properly certified. Prior to startup, make sure that all areas that could leak pumped fluid to the work environment are closed. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 51: Connection Of Sealing Liquid For Mechanical Seals

    2. Open the air vents on the suction and discharge piping until the pumped fluid flows out. 3. Close the air vents. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 52: Prime The Pump With The Suction Supply Below The Pump

    This illustration is an example of priming the pump with a foot valve and an outside supply: 1. Discharge isolation valve 2. Shutoff valve 3. From outside supply 4. Foot valve 5. Check valve Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 53: Other Methods Of Priming The Pump

    1. Fully close or partially open the discharge valve, depending on system conditions. 2. Start the driver. 3. Slowly open the discharge valve until the pump reaches the desired flow. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 54: Pump Operation Precautions

    • Monitor all gauges to ensure that the pump is running at or near rating and that the suction screen (when used) is not clogged. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 55: Shut Down The Pump

    See Pump-to-driver alignment in the Installation chapter. 5. Reinstall the coupling guard. 6. Restart the pump and driver. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 56: Dowel The Pump Casing (Optional)

    Always remove the dowel pins before removing the casing. Failure to do so can result in casing damage. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 57: Maintenance

    If the pump performance does not satisfy your process requirements, and the process requirements have not changed, then perform these steps: 1. Disassemble the pump. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 58: Bearing Maintenance

    Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 59: Disassembly

    1. Close the isolation valves on the suction and discharge sides of the pump. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 60: Remove The Back Pull-Out Assembly

    You can use penetrating oil if the adapter to the casing joint is corroded. Seal chamber cover Jackscrew Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 61: Remove The Coupling Hub

    1. Loosen the set screw at the end of the impeller nut. 2. Loosen and remove the impeller nut. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 62: Remove The Impeller (3703)

    2. Loosen and remove the impeller nut. The impeller nut has left-hand threads. Shaft 198A Set screw Impeller nut 443A Impeller spacer Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 63: Remove The Impeller (3700Lf)

    Save the spacer for reassembly unless it is damaged. Remove the seal-chamber cover 1. Loosen and remove the gland stud nuts. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 64 The cartridge mechanical seal may become damaged if the cover is allowed to come in contact with it. 8. Loosen the setscrews and remove the cartridge mechanical seal from the shaft. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 65: Remove The Optional Water-Jacket Cover

    Slide the thrust fan off the shaft. d) Loosen and remove the thrust-bearing end cover and bearing-frame screws. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 66 2. Loosen and remove the thrust-bearing end cover and bearing-frame screws. 3. Pry the thrust-bearing end cover thrust deflector out of the bearing frame. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 67 SX, MX, LA, LX, XLA, and XLX pumps have two inspection plugs. SA and MA pumps have one inspection plug. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 68 Press or pull the radial bearing from the shaft. 10. Perform the following based on your pump version: Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 69 11. Remove any remaining plugs and fittings. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 70: Preassembly Inspections

    G1.0 criteria. Do not attempt to balance impellers to this criteria unless this type of tooling and equipment is available. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 71 • Impeller washer (199) • Impeller lockwasher (199A) • Impeller nut (304) • Bearing lockwasher (382) • Impeller spacer (443A) Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 72: Shaft Replacement Guidelines

    6213 C3 7312 BEGAM LX, XLA 6215 C3 7313 BEGAM 6218 C3 7317 BEGAM 6220 C3 7318 BEGAM Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 73: Wear Rings Inspection And Replacement (Not Applicable For 3703/3700Lf)

    Figure 12: Casing wear ring Impeller Impeller wear ring Impeller wear ring (No Requirement for 3700LF) Figure 13: Impeller wear ring Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 74 Dry ice and other chilling substances can cause physical injury. Contact the supplier for information and advice for proper handling precautions and procedures. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 75 4. Chill the new casing wear ring using dry ice or another suitable chilling substance and install the ring into the casing fit. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 76 6. Check the casing wear ring runout and distortion: a) Measure the bore at each set screw location with inside micrometers or vernier calipers. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 77 Mount the dial indicator. b) Rotate the shaft so that the indicator rides along the casing-side impeller wear-ring surface for 360°. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 78: Seal-Chamber Cover Inspection And Replacement

    • Ensure all gasket/O-ring sealing surfaces are clean and have no damage that would prevent sealing. • Ensure that all cooling (where applicable), flush, and drain passages are clear. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 79 Seal-chamber cover 2. Install the new seal-chamber cover bushing: a) Thoroughly clean the bushing fit in the seal-chamber cover. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 80: Bearing-Frame Inspection

    If any bores are outside the measurements in the Bearing fits and tolerances table, replace the bearing frame. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 81: Bearing Fits And Tolerances

    (120.000) (130.000) (160.000) (180.000) 3.5427 4.3301 3.9363 4.7238 5.1174 6.2982 7.0856 (89.985) (110.022) (99.985) (119.985) (129.982) (159.975) (179.975) Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 82: Reassembly

    Magnetism attracts ferritic objects to the impeller, seal, and bearings which can result in excessive heat generation, sparks, and premature failure. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 83 Maximum torque values for 3700 fasteners table. e) Bend a tang of the bearing lockwasher into a slot of the locknut. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 84 SX, MX, LA, LX, XLA, XLX, Install and tighten the radial-end cover bolt and bearing-frame screws or XXL evenly to the torque values shown in the Maximum torque values for 3700 fasteners table. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 85 358E Oil ring inspection plug 360A Gasket 370N Bearing-frame screw 390C Thrust-bearing end-cover shim 469P Oil ring retainer Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 86: Assemble The Frame

    360A Thrust-bearing end-cover gaskets 2. Install the thrust-bearing end cover over the shaft and onto the bearing frame. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 87 Ensure that the O-ring is not damaged while it enters the bearing-frame bore. 8. Perform the following based on whether or not your power end has the optional air-cooling package: Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 88 Bearing frame Thrust deflector-fan guard 234D Thrust deflector-fan guard support 496Q Support screws 9. Check the following runouts: Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 89 360°. If the total indicator reading is greater than 0.002 in. (0.050 mm), then determine the cause and correct it. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 90 11. If your power end has the optional water cooling package, install the finned-tube cooling assembly into the bearing frame. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 91: Install The Optional Water-Jacket Cover

    3. Insert the water jacket cover with O-rings into the fit in the seal-chamber cover. Make sure that the water jacket cover enters uniformly and that the O-rings are not damaged. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 92: Install The Seal-Chamber Cover

    Torque the bolts to values shown in the Maximum torque values for 3700 fasteners table. 5. Check the seal-chamber cover face runout: a) Mount the dial indicator on the shaft. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 93 7. Check the seal-chamber cover wear-ring runout: a) Mount the dial indicator on the shaft. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 94 If the total indicator reading exceeds 0.006 in. (0.15 mm), determine the cause and correct it. 8. Check the seal-chamber face runout: a) Mount a dial indicator on the shaft. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 95 If the total indicator reading is greater than 0.005 in. (0.125 mm ), determine the cause and correct it. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 96: Install The Cartridge-Type Mechanical Seal And Seal-Chamber Cover

    Install the gland stud nuts and tighten evenly to the torque values shown in the Maximum torque values for 3700 fasteners table. 5. Tighten the setscrews in the locking collar. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 97: Determining Impeller Spacer Thickness (Applicable For 3703/3700Lf)

    3. Install the impeller on the shaft. Apply anti-galling compound to the impeller bore to aid in assembly and disassembly. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 98: Install The Impeller (3700Lf)

    2. Make sure that the hub is flush with the end of the shaft or to the mark scribed during disassembly. Refer to coupling manufacturer’s instructions for assistance. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 99: Install The Back Pull-Out Assembly In The Casing

    8. Reinstall the coupling spacer, coupling guard, auxiliary piping, tubing, and equipment that was removed during preparation for disassembly. 9. Lubricate the bearings. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 100: Post-Assembly Checks

    1-8 UNC 255(345) Gland 5/8-11 UNC 59(80) X X X X X X X X stud 3/4-10 UNC 105(142) Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 101: Spare Parts

    It is suggested that the following spare parts be stocked, where applicable: Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...
  • Page 102 • Thrust bearing end-cover shim pack (390C) • Water jacket cover O-rings (412S and 497T) • Impeller spacer (443A) (Applicable for 3703/3700LF) 100 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 103: Troubleshooting

    Rotating parts are rubbing against each other. Check the parts that are wearing for proper clearances. The impeller clearance is too tight. Adjust the impeller clearance. Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance 101 Manual...

  • Page 104: Alignment Troubleshooting

    Replace the shaft. excessive. (not applicable on 3700LF) The wear ring was machined improperly. Replace or re-machine the impeller. 102 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 105: Parts Listings And Cross-Sectional Drawings

    2210 chamber cover 370N Screw, thrust bearing end cover 2210 370P Screw, radial bearing end cover 2210 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance 103 Manual...
  • Page 106 4140 steel 2239 A193 Grade B7 316LSS 2256 A193 Grade B8MLN 4140 steel 2285 A194 Grade 2 H 104 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance Manual...

  • Page 107: Local Itt Contacts

    ITT - Goulds Pumps +30 210-677-0770 +30 210-677-5642 Achileos Kyrou 4 Neo Psychiko 115 25 Athens Greece Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance 105 Manual...
  • Page 108 Visit our website for the latest version of this document and more information: www.gouldspumps.com Form en_US.2013.06.IOM.3700 © 2013 ITT Corporation The original instruction is in English. All non-English instructions are translations of the original instruction.

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