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Impeller parts

When to replace

Vane edges

When you see cracks, pitting, or corrosion damage

Gaskets, O-rings, and seats replacement

• Replace all gaskets and O-rings at each overhaul and disassembly.
• Inspect the seats. They must be smooth and free of physical defects.

6.3.2  Shaft inspection

Inspection criteria

Inspect the shaft according to this criteria:

• Thoroughly clean the shaft .
• Thoroughly clean the coverplate seal cavity.
• Inspect the surface for damage such as pitting, corrosion, nicks, and scratches.

Replace these parts if they are damaged.

6.4  Reassembly

6.4.1  Assemble the standard mechanical seal (e-1500-F)

1. Lubricate the shaft sleeve and coverplate seal cavity with soapy water.

Do not use a petroleum lubricant.

2. Install a new insert gasket.
3. Install a new seal insert and make sure that the indentation is against the insert gasket.
4. Slide a new rotating seal assembly onto the shaft sleeve.
5. Push the top of the compression ring with a screwdriver until the seal is tight against

the seal insert.

6. Install the seal spring and point the narrow end toward the seal.

1. Slinger

2. Bracket coverplate

3. Seal assembly

4. Impeller key

5. Volute capscrew

6. Impeller

7. Impeller lockwasher

8. Volute

9. Impeller capscrew

10.Volute gasket

11.Impeller washer

12.Shaft sleeve

13.Shaft

Figure 11: Standard mechanical seal

6  Maintenance

Series e-1500 INSTRUCTION MANUAL

23

Summary of Contents for e-1500 Series

Page 1: ...INSTRUCTION MANUAL P2002884 Rev B Series e 1500 ...

Page 2: ......

Page 3: ...n 12 5 Commissioning Startup Operation and Shutdown 16 5 1 Preparation for startup 16 5 1 1 Check the rotation 16 5 2 Prime the pump 17 5 3 Start the pump 17 5 4 Pump operation precautions 17 5 5 Shut down the pump 18 5 6 Note on the packed pump operation 18 5 7 Vibration 19 6 Maintenance 20 6 1 Lubrication 20 6 2 Disassembly 20 6 2 1 Disassembly precautions 20 6 2 2 Drain the pump 20 6 2 3 Remove...

Page 4: ... box type single mechanical seal e 1500 S 24 6 4 4 Assemble the double mechanical seal e 1500 D 25 6 4 5 Assemble the packed stuffing box e 1500 PF 26 6 4 6 Install the impeller 26 6 4 7 Reinstall the pump assembly 27 6 4 8 Screw torque values 27 6 4 9 Dealer servicing 27 7 Product warranty 28 Table of Contents 2 Series e 1500 INSTRUCTION MANUAL ...

Page 5: ... 2 Safety WARNING The operator must be aware of safety precautions to prevent physical injury Operating installing or maintaining the unit in any way that is not covered in this manual could cause death serious personal injury or damage to the equipment 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 equ...

Page 6: ...etic fields hazard Electrical Hazard CAUTION 1 2 2 Safety instruction decals WARNING Do NOT exceed the maximum working pressure of the pump This information is listed on the nameplate of the pump Alert symbol This safety alert symbol is used in manuals and on the safety instruction decals on the pump to draw attention to safety related instructions When used the safety alert symbol means that fail...

Page 7: ...hat all safety instruction decals are always clearly visible and readable 1 2 3 User safety General safety rules These safety rules apply 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 Always bear in mind the risk of drowning electrical accidents a...

Page 8: ...hemicals or hazardous fluids that have come into contact with your eyes or your skin Condition Action Chemicals or hazardous fluids in eyes 1 Hold your eyelids apart forcibly with your fingers 2 Rinse the eyes with eyewash or running water for at least 15 minutes 3 Seek medical attention Chemicals or hazardous fluids on skin 1 Remove contaminated clothing 2 Wash the skin with soap and water for at...

Page 9: ...ct 3 If applicable unfasten the product by removing any screws bolts or straps Use care around nails and straps 4 If there is any issue then contact a sales representative 2 2 Pump lifting WARNING Assembled units and their components are heavy Failure to properly lift and support this equipment can result in serious physical injury and or equipment damage Lift equipment only at the specifically id...

Page 10: ...om heat dirt and vibrations Rotate the shaft by hand several times at least every three months Treat bearing and machined surfaces so that they are well preserved Refer to the drive unit and coupling manufacturers for their long term storage procedures For questions about possible long term storage treatment services please contact your local sales and service representative 2 Transportation and S...

Page 11: ...heated domestic and fresh water Boiler feed water Condensate Hydronic cooling or heating Benign liquids Pressure boosting General liquid transfer Rotation Pump rotation is clockwise when viewed from the back of the motor An arrow is also located on the pump to show the direction of rotation 3 2 Operational specifications Mechanical seal specifications Seal type Parameter Standard seal BUNA Carbon ...

Page 12: ...ain a high concentration of abrasives 2 Use packing on open or closed systems which require a large amount of makeup water as well as systems that are subjected to a wide variety of chemical conditions and solids buildup 3 For operating temperatures above 250 F a cooled flush is required and is recommended for temperatures above 225 F for optimum seal life On closed systems cooling is accomplished...

Page 13: ...logic IT is installed the pump can only be installed with the motor shaft vertical motor shaft down The optional ITSC or IT can be oriented to different positions relative to the pump nozzles This can be easily changed during pump installation by removing the motor mounting capscrews raising the motor assembly slightly 0 015 to 0 030 if needed and rotating the motor assembly around the pump center...

Page 14: ... the horizontal position check that adequate support is provided This prevents strain on the pump parts and piping Do not mount the pump with the motor vertically downward Do not use motor lift rings to suspend the pump Check that the suction or discharge lines are not forced into position Coupling and bearing wear will result if suction or discharge lines are forced into position The code for Pre...

Page 15: ...ssories Larger pumps can be installed in this configuration but require the optional Flange Supports Figure 3 Pumps can be installed in the piping with floor mounted saddles adequate to carry the loads from the pump and piping Figure 4 Optional Flange Supports can be used when rigid pump support to the floor or isolation base is required The supports are installed on the back side of the pump flan...

Page 16: ...ng Figure 7 Pumps with motors 256 NEMA frame and below can also be installed with the shaft horizontal and the piping horizontal with supports for the piping not shown adequate to carry the loads from the pump Figure 8 e 1500 pumps have a four bolt circle on the bottom of the volute to accept an ANSI ASME flange that can be used with a connected pipe as a temporary pump support while the permanent...

Page 17: ...s in other directions Figure 9 For installations in grooved piping systems when the pump is supported by the piping flange locking type grooved piping connections are required to prevent the pump from rotating in the piping 4 Installation Series e 1500 INSTRUCTION MANUAL 15 ...

Page 18: ... pipe system in order to prevent premature failure at initial startup Bring variable speed drivers to the rated speed as quickly as possible Run a new or rebuilt pump at a speed that provides enough flow to flush and cool the close running surfaces of the stuffing box bushing If temperatures of the pumped fluid will exceed 200 F 93 C then warm up the pump prior to operation Circulate a small amoun...

Page 19: ...to ensure that the pump quickly reaches the correct discharge pressure 5 If the pump fails to reach the correct pressure perform these steps a Stop the driver b Prime the pump again c Restart the driver 6 Monitor the pump while it is operating a Check the pump for bearing temperature excessive vibration and noise b If the pump exceeds normal levels then shut down the pump immediately and correct t...

Page 20: ... packing gland nuts or screws until the gland is loose Hand tighten until the gland is snug against the first packing ring Initially water might freely run from the packing This is normal and should be allowed to continue for a period of time before you continue to tighten the gland Tighten the gland nuts slowly and one flat at a time Leakage rate An adequate leakage rate is not one single value f...

Page 21: ...ing Range POR flows from 70 to 120 of the best efficiency point BEP ANSI HI 9 6 3 Operation outside the POR but within the Allowable Operating Range AOR from minimum flow to 85 of the end of the curve increases the vibration value by 30 If the vibration recorded exceeds these values shut down the pump diagnose and fix the problem re start and re check the vibration 5 Commissioning Startup Operatio...

Page 22: ...s are available before you disassemble the pump for overhaul 6 2 2 Drain the pump CAUTION Allow all system and pump components to cool before you handle them to prevent physical injury 1 Close the isolation valves on the suction and discharge sides of the pump You must drain the system if no valves are installed 2 Open the drain valve Do not proceed until liquid stops coming out of the drain valve...

Page 23: ... 1500 S e 1500 D e 1500 PF 1 Remove the hex nuts from the seal cap bolts 2 For the 1500 PF remove the hex nuts that hold the packing gland to the stuffing box 3 Remove the coverplate screws 4 Remove the coverplate from the bracket 5 Remove the seal assembly or packing rings 6 2 7 Remove the box type single mechanical seal e 1500 S 1 Remove the screws from the seal gland 2 Remove the coverplate scr...

Page 24: ...5 in 139 7 to 127 0 mm B A plus 0 375 in 9 53 mm 8 degrees 6 3 Pre assembly inspections Guidelines Before you assemble the pump parts make sure you follow these guidelines Inspect the pump parts according to the information in these pre assembly topics before you reassemble your pump Replace any part that does not meet the required criteria Make sure that the parts are clean Clean the pump parts i...

Page 25: ...ard mechanical seal e 1500 F 1 Lubricate the shaft sleeve and coverplate seal cavity with soapy water Do not use a petroleum lubricant 2 Install a new insert gasket 3 Install a new seal insert and make sure that the indentation is against the insert gasket 4 Slide a new rotating seal assembly onto the shaft sleeve 5 Push the top of the compression ring with a screwdriver until the seal is tight ag...

Page 26: ... Tighten the hex nuts on the seal cap bolts according to the Capscrew torque table 2 3 4 5 6 7 9 1 8 1 O ring 2 Coverplate 3 For 1 1 4 in seal 1 13 32 in 3 571 cm 4 For 1 5 8 in seal 1 1 4 in 3 175 cm 5 Seal locking collar 6 Seal cap bolt 7 Seal cap 8 O ring 9 Motor end Figure 12 Single mechanical seal e 1500 S 6 4 3 Assemble the box type single mechanical seal e 1500 S 1 Lubricate the shaft sleev...

Page 27: ...uble mechanical seal e 1500 D 1 Lubricate the shaft sleeve seal cap and coverplate cavity with soapy water Do not use a petroleum lubricant 2 Insert a stationary seal and O ring into the seal cap For the 1 1 4 in ID seal both parts are housed in the coverplate A seal cap gasket is not used 1 2 1 1 O rings 2 Motor end Figure 14 Double mechanical seal e 1500 D 3 Insert another stationary seal and O ...

Page 28: ...late 15 Drip drain 16 Lantern ring 17 Packing 18 Gland bolt 19 Bracket 20 Shaft Figure 15 Packed stuffing box 1 Insert two packing rings into the stuffing box 2 Insert the lantern ring and the last two pieces of packing Make sure that the joints on the packing rings are staggered 90º 3 Install but do not tighten the packing gland 4 Install the coverplate over the pump shaft 5 Tighten the capscrews...

Page 29: ...1 2 5 8 3 4 7 8 1 SAE grade 2 6 8 13 18 25 34 38 52 60 81 120 163 190 258 210 285 300 407 Brass and stainless steel or 4 5 10 14 17 23 27 37 42 57 83 113 130 176 200 271 300 407 SAE grade 5 10 14 20 27 35 47 60 81 90 122 180 244 325 440 525 712 800 1085 The M6 set screw has a rating of 10 N m 6 4 9 Dealer servicing If trouble occurs that cannot be rectified contact your local sales and service rep...

Page 30: ...repaired or replaced Seller shall have no warranty obligations to Buyer with respect to any product or parts of a product that have been a repaired by third parties other than Seller or without Seller s written approval b subject to misuse misapplication neglect alteration accident or physical damage c used in a manner contrary to Seller s instructions for installation operation and maintenance d ...

Page 31: ... in a manner contrary to Seller s instructions for installation operation and maintenance d damaged from ordinary wear and tear corrosion or chemical attack e damaged due to abnormal conditions vibration failure to properly prime or operation without flow f damaged due to a defective power supply or improper electrical protection or g damaged resulting from the use of accessory equipment not sold ...

Page 32: ... and advanced analytics solutions for water electric and gas utilities In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise with a strong focus on developing comprehensive sustainable solutions For more information on how Xylem can help you go to www xylem com Xylem Inc 820...

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