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Xylem e-XC Instruction Manual

Xylem e-XC Instruction Manual

Single stage, double suction centrifugal pumps
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INSTRUCTION MANUAL
P6019152
e-XC
Single Stage, Double Suction Centrifugal
Pumps

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Summary of Contents for Xylem e-XC

  • Page 1 INSTRUCTION MANUAL P6019152 e-XC Single Stage, Double Suction Centrifugal Pumps...

  • Page 3: Table Of Contents

    4.5 Pressure gauges and pump insulation................31 5 Commissioning, Startup, Operation, and Shutdown............33 5.1 Preparation for startup...................... 33 5.2 Pump priming........................34 5.3 Fill the system........................34 5.4 Start the pump........................34 5.5 Pump operation checklist....................35 5.6 Shut down the pump......................35 e-XC INSTRUCTION MANUAL...
  • Page 4 6.7 Change the rotation......................98 6.8 Screw torque values......................99 6.9 Dealer servicing ........................ 99 7 Troubleshooting........................100 7.1 Operation troubleshooting.................... 100 8 Parts Listings and Exploded View..................104 8.1 e-XC exploded view......................104 9 Product warranty........................106 9.1 Commercial warranty...................... 106 e-XC INSTRUCTION MANUAL...

  • Page 5: Introduction And Safety

    This includes any modification to the equipment or use of parts not provided by Xylem. If there is a question regarding the intended use of the equipment, please contact a Xylem representative before proceeding.

  • Page 6: Safety Instruction Decals

    Do not operate without all guards in place. Consult installation and service instruction sheet before operating or servicing. 3. CAUTION. Do not run pump dry. Seal damage may occur. Inspect pump seal regularly for leaks. Replace as required. Lubrication requirements consult manuals. Pump: e-XC INSTRUCTION MANUAL...

  • Page 7: User Safety

    • Provide a suitable barrier around the work 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. e-XC INSTRUCTION MANUAL...

  • Page 8: Wash The Skin And Eyes

    • Clean-up of spills Exceptional sites CAUTION: Radiation Hazard Do NOT send the product to Xylem if it has been exposed to nuclear radiation, unless Xylem has been informed and appropriate actions have been agreed upon. Recycling guidelines Always follow local laws and regulations regarding recycling.

  • Page 9: Transportation And Storage

    Horizontal bare pump lifting procedure • Using nylon slings, chains, or wire ropes, place the slings around the suction and discharge ports of the pump as indicated in the following figure. Lift the pump using ANSI/OSHA Standard “S” hooks. e-XC INSTRUCTION MANUAL...

  • Page 10: Pump Storage Requirements

    Length of time in storage Storage requirements Upon receipt/short-term (less than six months) • Store in a covered and dry location. • Store the unit free from dirt and vibrations. e-XC INSTRUCTION MANUAL...
  • Page 11 • Make sure that any changes in ambient temperature are slow and moderate. Treat bearing and machined surfaces so that they are well preserved. Refer to drive unit and coupling manufacturers for their long-term storage procedures. e-XC INSTRUCTION MANUAL...

  • Page 12: Product Description

    California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov. Certain components of the e-XC product line may contain trace amounts of lead. As such, the product will be labeled according to California Proposition 65.

  • Page 13: Nameplate Rating Information

    Style 608D graphite 300 [20.7] 3.3 Nameplate rating information e-XC pumps are designated by a series of numbers. The pump nameplate gives identification and rating information. Permanent records for this pump are referenced by the serial number. This number must be used with all correspondence and spare parts orders.

  • Page 14: Casing And Volute Information

    3 Product Description 1. Xylem brand logo 2. Pump size (i.e. 150-355 or 6X8X13.5) 3. NSF-61 or NSF-372 (if applicable) 4. Total head (i.e. 36m or 118ft) 5. Manufacturing location (i.e. Morton Grove) 6. Pump rotation (clockwise or counterclockwise) 7. Required motor power (i.e. 45kW or 60HP) 8.

  • Page 15: Pump Casing Data

    3 Product Description 3.4.2 Pump casing data Pump casing designs and characteristics vary within the e-XC pump family. The tables below outline casing properties by pump model. Cast iron is the standard casing material option in instances where both cast iron and ductile iron casings are available for the same pump model.
  • Page 16 Dual ● 20X24X24.5 20X24X23.5 Integrated Dual ● 20X28X28 20X28X27 Integrated Dual ● 20X28X36 20X28X34 Integrated Dual ● 24X28X22.5 24X28X21 Integrated Dual ● 24X28X24 24X28X23 Integrated Dual ● 24X32X31.5 24X32X30 Integrated Dual ● 24X32X39 24X32X37 Integrated Dual ● e-XC INSTRUCTION MANUAL...
  • Page 17 Drop-in Single ● ● 200–530 200–505 Drop-in Dual ● 200–655 200–625 Drop-in Dual ● 250–200 250–190 Drop-in Dual ● ● 250–390 250–370 Drop-in Single ● ● 250–480 250–455 Drop-in Single ● ● 250–610 250–580 Drop-in Dual ● e-XC INSTRUCTION MANUAL...
  • Page 18 Dual ● 700–535 700–505 Integrated Dual ● 700–615 700–585 Integrated Dual ● 700–670 700–635 Integrated Dual ● 700–775 700–735 Integrated Dual ● 700–870 700–830 Integrated Dual ● 700–995 700–945 Integrated Dual ● 800–590 800–560 Integrated Dual ● e-XC INSTRUCTION MANUAL...

  • Page 19: Installation

    Test the ground (earth) lead to verify that it is connected correctly. NOTICE: Supervision by an authorized Xylem sales representative/dealer is recommended to ensure proper installation. Failure to do so may result in equipment damage or decreased performance.

  • Page 20: Foundation Requirements

    • Pump Foundations should be a min of 1” (25 mm) above the floor to prevent water collection around the pump base plate. Pump Foundation Width 30° Rule Figure 3: 30° Rule e-XC INSTRUCTION MANUAL...
  • Page 21 3. Concrete foundation 4. Washer 5. Lug Anchor bolt and hole sizes • As a rule, the diameter of the anchor bolt hole should be 0.125 in (3 mm) larger than the diameter of the anchor bolt. e-XC INSTRUCTION MANUAL...

  • Page 22: Requirements For Setting The Baseplate

    • Make sure that the size of the shims is equal to or greater than the rail width. • Make sure that the length of the shim is at least four times the diameter of the rail mounting bolt. e-XC INSTRUCTION MANUAL...

  • Page 23: Level The Base On A Concrete Foundation

    • Make sure that the pump and motor bolts are tight when you take all measurements. • Perform a final alignment check after the unit reaches its final operating temperature. e-XC INSTRUCTION MANUAL...

  • Page 24: Prepare For Alignment

    4 Installation 4.3.1 Prepare for alignment ® ® The standard coupling selection for e-XC pumps are TB Wood’s Dura-Flex non-spacer ® ® elastomeric couplings and Falk Steelflex Type T10 close-coupled grid couplings. For other coupling types or brands, refer to the coupling manufacturer’s installation instructions and alignment data.

  • Page 25: Align The Pump Using A Dial Indicator

    Mount the dial indicator base to one coupling half, or shaft. b) Position the dial indicator button on the front face or rear face of the opposite coupling half. c) Mark the index lines on the coupling halves as the following Figure shows: e-XC INSTRUCTION MANUAL...

  • Page 26: Maximum Allowable Coupling Misalignment

    TB Wood’s . Refer to the service manual for more detailed information regarding fastener torque values, detailed installation instructions, and more. The following figure defines the allowable parallel gap for a given degree of angular misalignment. e-XC INSTRUCTION MANUAL...
  • Page 27 Table 3: Maximum parallel and angular misalignment offsets for Falk ® Steelflex ® T10 couplings Parallel Offset Angular Offset Hub Size in. (mm) in. (mm) 1020T 0.006 (0.15) 0.003 (0.08) 1030T 0.006 (0.15) 0.003 (0.08) 1040T 0.006 (0.15) 0.003 (0.08) 1050T 0.008 (0.20) 0.004 (0.10) e-XC INSTRUCTION MANUAL...

  • Page 28: Final Alignment

    Guidelines for piping are given in the Hydraulic Institute Standards available from the Hydraulic Institute at 9 Sylvan Way, Parsippany, NJ 07054-3802. You must review this document before you install the pump. Figure 9: Forces and moments for horizontally split case pumps e-XC INSTRUCTION MANUAL...
  • Page 29 4 Installation Flange loads and configuration For a listing of all e-XC pump models, refer to the e-XC technical brochure. Table 4: Flange Loading Ratings Flange Loading Ratings Dia. Force lbf [N] Moment lbf•ft [Nm] in. [mm] ƩF ƩM 2.5 [65]...

  • Page 30: Suction Piping Checklist

    Dutchman or a spool piece that is designed arrangement, anything that clogs the impeller is so that it can be readily dropped out of the accessible with the removal of the spool piece or pipe line. section. e-XC INSTRUCTION MANUAL...
  • Page 31 Figure 11: Suction pipe installed with a gradual rise to the pump – correct 1. Air pocket Figure 12: Suction pipe installed with a gradual rise to the pump – incorrect 1. Air pocket Figure 13: Suction pipe installed with a reducer – incorrect 1. Air pocket Figure 14: Incorrect e-XC INSTRUCTION MANUAL...

  • Page 32: Suction-Piping Valve Considerations

    If the pump operates under static suction lift conditions, you can install a foot valve in the suction line in order to avoid the necessity of priming each time you start the pump. Before you install foot valves in the suction piping, review these considerations: e-XC INSTRUCTION MANUAL...

  • Page 33: Discharge Piping Considerations

    System losses, life-cycle costs, and process considerations usually determine the size of discharge piping and fittings. Some high energy pumps are sensitive to flow disturbing devices mounted close to the pump outlet. Consult Xylem when in doubt about the minimum required length of the straight pipe.
  • Page 34 Proper pump insulation Figure 19: Proper pump insulation You should not insulate the bearing housings, shown in dark gray, as this may cause overheating of bearings. You may insulate all other portions of the pump, shown in light gray. e-XC INSTRUCTION MANUAL...

  • Page 35: Commissioning, Startup, Operation, And Shutdown

    Be sure that the driver operates in the direction indicated by the arrow on the pump casing. Serious damage can result if you operate the pump with the incorrect rotation. Check the rotation each time you disconnect the motor leads. e-XC INSTRUCTION MANUAL...

  • Page 36: Pump Priming

    3. Prime the pump. 4. Start the pump driver. You might need to warm up the turbines and engines. Consult the instructions provided by the manufacturer. 5. When the pump is operating at full speed, slowly open the discharge valve. e-XC INSTRUCTION MANUAL...

  • Page 37: Pump Operation Checklist

    Always disconnect and lock out power before servicing to prevent unexpected startup. Failure to do so could result in death or serious injury. 1. Shut down the pump driver. Consult the manufacturer instructions for special operations. 2. Close the suction and discharge valves. e-XC INSTRUCTION MANUAL...

  • Page 38: Maintenance

    Use feeler gauges to determine the gap size between each impeller wear ring and casing wear ring. Check multiple points around the wear rings as wear may not be uniformly distributed. The following table lists the approximate gap sizes that indicate when the wear rings should be replaced. e-XC INSTRUCTION MANUAL...
  • Page 39 5. Drill three new set screw locations set 120° apart and evenly spaced between the old screw locations. The holes should be centered between the mating faces of the impeller and impeller wear ring. Depending on the pump model, the hex set screws e-XC INSTRUCTION MANUAL...

  • Page 40: Bearing And Coupling Lubrication

    – Periodic addition of oil is required. Take care not to over or under fill the bearing cavity. Inspect the oil level of each bearing housing using the sight glasses provided with the pump. See the following figure for maximum and minimum oil level requirements. e-XC INSTRUCTION MANUAL...

  • Page 41: Lubricate The Bearings

    Polymer and elastomeric element-type couplings are maintenance-free and type do not require lubrication. If other types of couplings are used, follow maintenance instructions of coupling manufacturer. 6.2.1 Lubricate the bearings Grease lubrication Before you begin this procedure, make sure that you have these items: e-XC INSTRUCTION MANUAL...
  • Page 42 The standard Trico ® oiler requires venting at the top of the bearing housing. See section 6.2 for more information on monitoring the oil level with a sight glass. The following figure demonstrates the standard oil lubrication setup. e-XC INSTRUCTION MANUAL...
  • Page 43 38 to ensure long bearing life. 4. Fasten the pipe plug located underneath the bearing housing into place. 5. Thread the breather vent into the top of the bearing housing. Oil the bearing housing e-XC INSTRUCTION MANUAL...
  • Page 44 The position of the sight glass is aligned with this level. See Figure 20: Recommended sight glass oil level on page 39 for more information. e-XC INSTRUCTION MANUAL...

  • Page 45: Mechanical-Seal Maintenance

    Perform these maintenance tasks if your pump has been flood damaged: • Replace bearings and grease if the pump has been subjected to flood conditions. • Make sure that the motor is evaluated by a qualified motor shop before you place it back into service. e-XC INSTRUCTION MANUAL...

  • Page 46: Disassembly

    Do not reinstall the plug or close the drain valve until the reassembly is complete. 4. Drain the liquid from the piping and flush the pump if it is necessary. 5. Disconnect all auxiliary piping and tubing. e-XC INSTRUCTION MANUAL...

  • Page 47: Remove The Hex Coupling Guard For Guards With Vertical Supports

    6.5.3 Remove the hex coupling guard for guards with vertical supports Figure 25: Fully assembled coupling guard 1. Identify the parts of the coupling guard. The following instructions will reference items in the following figure and table. e-XC INSTRUCTION MANUAL...
  • Page 48 [9] located on the top two faces of the hex guard assembly. 4. Remove the upper halves of the outer [2] and inner [1] guard assemblies by unfastening the hex head bolts [9] that fasten the flanges of the guards together and lifting the upper guard halves. e-XC INSTRUCTION MANUAL...

  • Page 49: Remove The Hex Coupling Guard For Floating Guards

    Figure 27: Coupling guard exploded view 6.5.4 Remove the hex coupling guard for floating guards Figure 28: Fully assembled coupling guard — small bracket e-XC INSTRUCTION MANUAL...
  • Page 50 Figure 30: Coupling guard exploded view Legend Part Name Coupler Guard Assembly Inner Coupler Guard Assembly Outer Clip Square Spacer Mounting Bracket Hex Bolt Self-Retaining Washer Bearing Gland Bolt Washer Threadless Spacer e-XC INSTRUCTION MANUAL...
  • Page 51 6. If desired, the mounting bracket [5] may be removed from the inboard bearing gland of the pump by removing the four bearing gland bolts [8] which secure the brackets in place. Figure 31: Large bracket mounted to pump bearing gland (without guard assembly) Figure 32: Coupling guard disassembly diagram e-XC INSTRUCTION MANUAL...

  • Page 52: Pump Disassembly

    Bearing Lubrication Grease Method See the e-XC Performance Curves and Technical Data document to determine which casing design applies for any given model. The drop-in stuffing box design utilizes a removable seal chamber as the fastening point for the various sealing configurations.
  • Page 53 Do not lift the entire pump by its lifting lugs. 7. Unfasten shaft guard bolts and remove both shaft guards. 8. If using oil for bearing lubrication, drain oil from bearing housing by unfastening plugs located on the undersides of both bearing housings. e-XC INSTRUCTION MANUAL...
  • Page 54 2. Once the bearing housings are no longer fixed to the lower casing, lift and remove the rotating assembly using proper lifting equipment. Do not lift the rotating assembly by the eyebolts located on each bearing housing. Place the rotating assembly on v-blocks to continue the disassembly process. e-XC INSTRUCTION MANUAL...
  • Page 55 13.Remove screws that attach the bearing housing to the lower casing. 14.Separate bearing housing from lower casing using the jacking screws located on either side of the bearing housing. 15.Remove the outboard bearing housing from the pump shaft. e-XC INSTRUCTION MANUAL...
  • Page 56 Note: bearing locknut, tab washer, and shoulder ring only exist on the outboard side of the pump. 22.Break the seal between lower casing and stuffing boxes by tapping on each stuffing box with a rubber mallet. 23.Lift rotating assembly out of lower casing and place on stands or V-blocks. e-XC INSTRUCTION MANUAL...
  • Page 57 6. Separate the drive ring from the shaft sleeve by unfastening the set screws in the drive ring. 7. Remove the stuffing box from the shaft. Remove stuffing box O-rings from their respective grooves. 8. Remove the shaft sleeve O-ring if it is still on the shaft. e-XC INSTRUCTION MANUAL...
  • Page 58 11.Remove impeller assembly from shaft. Heat the impeller and slide it off of the shaft. Alternatively, press the impeller off of the shaft if a suitable press is available. Wear insulated gloves when handling hot components. 12.Remove the impeller key. 13.Remove pins and O-rings from each casing wear ring. e-XC INSTRUCTION MANUAL...
  • Page 59 7. Repeat steps 1-6 for the inboard side of the pump. 8. Remove the stuffing box from the shaft. Remove stuffing box O-rings from their respective grooves. 9. Remove the shaft sleeve O-ring if it is still on the shaft. e-XC INSTRUCTION MANUAL...
  • Page 60 12.Remove impeller assembly from shaft. Heat the impeller and slide it off of the shaft. Alternatively, press the impeller off of the shaft if a suitable press is available. Wear insulated gloves when handling hot components. 13.Remove the impeller key. 14.Remove pins and O-rings from each casing wear ring. e-XC INSTRUCTION MANUAL...
  • Page 61 1. Remove packing gland screws which thread into the stuffing box. 2. Remove screws which hold the packing gland halves together. 3. Remove packing gland halves. 4. Remove stuffing box from pump shaft. 5. Remove packing rings and lantern ring (seal cage). e-XC INSTRUCTION MANUAL...
  • Page 62 6. Remove impeller assembly from shaft. Heat the impeller and slide it off of the shaft. Alternatively, press the impeller off of the shaft if a suitable press is available. Wear insulated gloves when handling hot components. 7. Remove the impeller key. 8. Remove pins and O-rings from each casing wear ring. e-XC INSTRUCTION MANUAL...

  • Page 63: Pump Disassembly For Pumps With Drop-In Stuffing Box And Sleeveless Shaft (Wet Shaft) Design

    MR1, MR2, MR3, and MR4 Mechanical Seal on Shaft 1. Remove seal gland screws. 2. Remove seal gland. The static face of the mechanical seal may be pulled off of the shaft simultaneously with the seal gland. 3. Remove stuffing box from pump shaft. e-XC INSTRUCTION MANUAL...
  • Page 64 8. Remove impeller assembly from shaft. Heat the impeller and slide it off of the shaft. Alternatively, press the impeller off of the shaft if a suitable press is available. Wear insulated gloves when handling hot components. 9. Remove the impeller key. 10.Remove pins and O-rings from each casing wear ring. e-XC INSTRUCTION MANUAL...
  • Page 65 5. Remove snap ring adjacent to outboard end of the impeller hub. 6. Remove impeller assembly from shaft. Heat the impeller and slide it off of the shaft. Alternatively, press the impeller off of the shaft if a suitable press is available. Wear insulated gloves. e-XC INSTRUCTION MANUAL...

  • Page 66: Pump Disassembly For Pumps With Integrated Stuffing Box Design

    Note: For packing configurations, the flush line ports run through the upper casing just above the seal chamber. e-XC INSTRUCTION MANUAL...

  • Page 67: Reassembly

    Bearing Lubrication Grease Method See the e-XC Performance Curves and Technical Data document to determine which casing design applies for any given model. The drop-in stuffing box design utilizes a removable seal chamber as the fastening point for the various sealing configurations.
  • Page 68 5. Lightly grease casing wear ring O-rings and roll them into their respective grooves. Insert two steel pins into each casing wear ring. Slide the casing wear rings over the impeller eye. e-XC INSTRUCTION MANUAL...
  • Page 69 7. Slide the non-keyed end of the shaft sleeve, with drive ring installed, onto the shaft until it sits against the impeller hub sleeve. 8. Insert the heterotype key between the shaft sleeve and shaft. 9. Slide tab washer onto shaft against the shaft sleeve. e-XC INSTRUCTION MANUAL...
  • Page 70 17.Repeat for the inboard side of the pump. 18.Install stuffing box pins into each stuffing box. 19.Ensure pins are installed into each casing wear ring. Align casing wear ring pins to their respective grooves within the lower casing. e-XC INSTRUCTION MANUAL...
  • Page 71 See the next two images for rotating assembly installation with bearing housings. 20.Lift the rotating assembly and install it within the lower casing. Ensure all pins rest within their respective grooves. e-XC INSTRUCTION MANUAL...
  • Page 72 9. Slide tab washer onto the shaft against the shaft sleeve. 10.Thread the locknut onto the shaft. Align tab washer prongs with sleeve nut gaps. Bend tab washer prongs over the sleeve nut gaps to secure the locknut. e-XC INSTRUCTION MANUAL...
  • Page 73 16.Repeat for the inboard side of the pump. 17.Install stuffing box pins into each stuffing box. 18.Ensure pins are installed into each casing wear ring. Align casing wear ring pins to their respective grooves within the lower casing. e-XC INSTRUCTION MANUAL...
  • Page 74 19.Lift the rotating assembly and install it within the lower casing. Ensure all pins rest within their respective grooves. 20.Continue the assembly process by following the instructions outlined in Bearing and bearing housing assembly on page 79. e-XC INSTRUCTION MANUAL...
  • Page 75 8. Repeat steps 6-12 for the inboard side of the pump. Stuffing box and packing assembly 1. Screw flush line fitting into the port located on the stuffing box. 2. Lubricate and roll O-rings into the grooves along the outer diameter of the stuffing box. e-XC INSTRUCTION MANUAL...
  • Page 76 4. Assemble the two packing gland halves together and lightly fasten them to the stuffing box. Do not tighten the glands until the rotating assembly is placed within the lower casing. 5. Slide the stuffing box assembly onto the shaft. e-XC INSTRUCTION MANUAL...
  • Page 77 79 and lower the entire rotating assembly, including bearing housings, into the pump. Once lowered into the pump, fasten the bearing housing to the pump casing. See the next two images for rotating assembly installation with bearing housings. e-XC INSTRUCTION MANUAL...
  • Page 78 9. Lift the rotating assembly and install it within the lower casing. Ensure all pins rest within their respective grooves. 10.Continue the assembly process by following the instructions outlined in Bearing and bearing housing assembly on page 79. MR7 & MR8 Cartridge seal on sleeve assembly instructions Shaft sleeve assembly e-XC INSTRUCTION MANUAL...
  • Page 79 3. Screw flush line fitting into the port located on the cartridge seal gland. 4. Slide the stuffing box assembly onto the shaft. Install cautiously to prevent damage to the seal. e-XC INSTRUCTION MANUAL...
  • Page 80 79 and lower the entire rotating assembly, including bearing housings, into the pump. Once lowered into the pump, fasten the bearing housing to the pump casing. See the next two images for rotating assembly installation with bearing housings. e-XC INSTRUCTION MANUAL...
  • Page 81 Bearing and bearing housing assembly on page 79. Bearing and bearing housing assembly 1. Prepare the bearing seal ring for installation. Lubricate O-ring and install into the groove located along the inner diameter of the bearing seal ring. e-XC INSTRUCTION MANUAL...
  • Page 82 (60 to 85 gm) of grease. 9. Slide tab washer adjacent to bearing. 10.Thread the locknut onto the shaft adjacent to the tab washer. Secure the locknut by bending the washer tabs over the grooves on the locknut. e-XC INSTRUCTION MANUAL...
  • Page 83 18.Repeat steps 1-16 for the inboard bearing housing. Note: Omit steps 6, 9 and 10. 19.Repeat steps 1-3 for the inboard bearing gland and seal ring. Install the bearing gland assembly onto the inboard face of the inboard bearing housing. e-XC INSTRUCTION MANUAL...
  • Page 84 2. Using proper lifting equipment, place the upper casing onto the lower casing using the tapered pins for alignment. 3. Once placed, fasten the four large casing bolts and washers located near the stuffing boxes in an alternating fashion. e-XC INSTRUCTION MANUAL...
  • Page 85 8. Fasten the four arm tube into the top of the upper casing. 9. Insert the appropriate plug into the top of the four arm tube. 10.Attach valves to the remaining two arms of the four arm tube. e-XC INSTRUCTION MANUAL...

  • Page 86: Pump Assembly For Pumps With Drop-In Stuffing Box And Sleeveless Shaft (Wet Shaft) Design

    1. Place the impeller key(s) in the shaft key slot. 2. Place the impeller on V-blocks or stands such that the impeller bore direction is parallel to the ground. The shaft will be horizontally inserted into the impeller bore. e-XC INSTRUCTION MANUAL...
  • Page 87 4. Lightly grease casing wear ring O-rings and roll them into their respective grooves. Insert two steel pins into each casing wear ring. Slide the casing wear rings over the impeller eye. 5. Fix the impeller in place by placing the impeller snap ring adjacent to the outboard impeller hub. e-XC INSTRUCTION MANUAL...
  • Page 88 6. Screw flush line fitting into its port located on the seal gland. 7. Fasten the seal gland to the stuffing box; ensure the flush line inlet port of the seal gland is oriented upwards and aligned with the stuffing box fin. e-XC INSTRUCTION MANUAL...
  • Page 89 79 and lower the entire rotating assembly, including bearing housings, into the pump. Once lowered into the pump, fasten the bearing housing to the pump casing. See the next two images for rotating assembly installation with bearing housings. e-XC INSTRUCTION MANUAL...
  • Page 90 13.Continue the assembly process by following the instructions outlined in Bearing and bearing housing assembly on page 79. MR5 & MR6 Cartridge seal on shaft assembly instructions Stuffing box and cartridge seal assembly e-XC INSTRUCTION MANUAL...
  • Page 91 79 and lower the entire rotating assembly, including bearing housings, into the pump. Once lowered into the pump, fasten the bearing housing to the pump casing. See the next two images for rotating assembly installation with bearing housings. e-XC INSTRUCTION MANUAL...
  • Page 92 11.Lift the rotating assembly and install it within the lower casing. Ensure all pins rest within their respective grooves. 12.Continue the assembly process by following the instructions outlined in Bearing and bearing housing assembly on page 79. e-XC INSTRUCTION MANUAL...

  • Page 93: Oil Lubrication For Bearings Assembly

    1. When following the drop-in stuffing box assembly instructions for seal installation, lower the impeller and shaft assembly, with shaft sleeves (if applicable), into the lower casing before attempting to install the stationary mechanical seal face and seal gland. e-XC INSTRUCTION MANUAL...

  • Page 94: Assemble The Hex Coupling Guard For Guards With Vertical Supports

    6.6.6 Assemble the hex coupling guard for guards with vertical supports Figure 33: Fully assembled coupling guard 1. Identify the parts of the coupling guard. The following instructions will reference items in the following figure and table. e-XC INSTRUCTION MANUAL...
  • Page 95 3. Install the lower guard support [7] on top of each pedestal [8]. Secure the guard support with the serrated hex bolt, hex nut, washer, and lock washer. e-XC INSTRUCTION MANUAL...
  • Page 96 12.Secure the top and bottom halves of the outer guard [2] to the motor side guard supports with two serrated hex bolts. Pass the bolt through the flanges of the outer guard halves and thread them into the weld nuts located on the guard supports, [5] and [6]. e-XC INSTRUCTION MANUAL...

  • Page 97: Assemble The Hex Coupling Guard For Floating Guards

    6 Maintenance Figure 35: Coupling guard assembly diagram 6.6.7 Assemble the hex coupling guard for floating guards Figure 36: Fully assembled coupling guard — small bracket e-XC INSTRUCTION MANUAL...
  • Page 98 Figure 38: Coupling guard exploded view Legend Part Name Coupler Guard Assembly Inner Coupler Guard Assembly Outer Clip Square Spacer Mounting Bracket Hex Bolt Self-Retaining Washer Bearing Gland Bolt Washer Threadless Spacer e-XC INSTRUCTION MANUAL...
  • Page 99 [2] near the motor. d) Slide a fastener clip [3] over each spacer [4] location and thread a hex head bolt [6] through both the clip and spacer to secure both parts to the outer guard assembly. e-XC INSTRUCTION MANUAL...

  • Page 100: Change The Rotation

    7. Reinstall the rotating assembly. Refer to Pump assembly for pumps with drop-in stuffing box and sleeve over shaft (dry shaft) design on page 65 for instructions regarding reinstallation. 8. Check the impeller-to-volute relationship. 9. Complete the reassembly. e-XC INSTRUCTION MANUAL...

  • Page 101: Screw Torque Values

    1. Complete nameplate data of pump and motor 2. Suction and discharge pipe pressure gauge readings 3. Ampere draw of the motor 4. A sketch of the pump hook-up and piping e-XC INSTRUCTION MANUAL...

  • Page 102: Troubleshooting

    Or frequency may be too low; motor may have an open phase. Wrong direction of rotation. Check motor rotation with directional arrow on pump casing. Impeller completely plugged. Dismantle pump and clean impeller. e-XC INSTRUCTION MANUAL...
  • Page 103 Check with factory to see if a larger Probable cause if none of above) impeller can be used; otherwise, cut pipe losses or increase speed — or both, if needed. Be careful not to seriously overload drive. e-XC INSTRUCTION MANUAL...
  • Page 104 2. Sub-cool suction piping at inlet to Pump takes too much power lower entering liquid temperature. 3. Pressurization suction vessel. Mechanical defects See “Defective impeller” and “Foot valve too small or partially obstructed”. e-XC INSTRUCTION MANUAL...
  • Page 105 The motor may not be ventilated properly due to poor location. Mechanical defects in turbine, engine If trouble cannot be located, consult or other type of drive exclusive of factory. motor. e-XC INSTRUCTION MANUAL...

  • Page 106: Parts Listings And Exploded View

    8 Parts Listings and Exploded View 8 Parts Listings and Exploded View 8.1 e-XC exploded view Figure 42: Seal on Sleeve Drop-in Stuffing Box Design Table 7: Legend Number Description External flush line Upper casing Gasket (parting flange) Outboard end cap...
  • Page 107 Note: Seal chamber components for other sealing configurations, including seal on shaft (wet shaft) design, are documented within the ‘Seal Chamber Interchangeability Charts’ located within the e-XC Performance Curves and Technical Data brochure. The interchangeability charts also map out how to switch between different sealing configurations.

  • Page 108: Product Warranty

    OF DAMAGES, WHETHER DIRECT, INDIRECT, LIQUIDATED, INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY OR SPECIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFIT, LOSS OF ANTICIPATED SAVINGS OR REVENUE, LOSS OF INCOME, LOSS OF BUSINESS, LOSS OF PRODUCTION, LOSS OF OPPORTUNITY OR LOSS OF REPUTATION. e-XC INSTRUCTION MANUAL...
  • Page 112 For more information on how Xylem can help you, go to www.xylem.com Xylem Inc. Visit our Web site for the latest version of this document and more information 8200 N.

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