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Xylem Bell & Gossett e-80 Series, Instruction Manual

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Xylem Bell & Gossett e-80 Series Instruction Manual Download Page 30

6.4.7  Reinstall the pump assembly

1. Install a new volute gasket.
2. Install the pump assembly into the volute.
3. Tighten the volute capscrews according to the Capscrew torque table.
4. Install a seal flushing tube.
5. Install the drain plug.
6. Open the isolation valves and inspect the pump for leaks.
7. Return the pump to service if it is not leaking.

6.4.8  Screw torque values

Capscrew torque in ft-lb (Nm)

Capscrew

type

Head

marking

Capscrew diameter (in inches)

1/4

5/16

3/8

7/16

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)

6.4.9  Dealer servicing

If trouble occurs that cannot be rectified, contact your local sales and service
representative and be prepared to provide this information:
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

6  Maintenance

28

Series e-80 INSTRUCTION MANUAL

Summary of Contents for Bell & Gossett e-80 Series

Page 1: ...INSTRUCTION MANUAL P2002877 Rev C Series e 80 ...

Page 2: ......

Page 3: ...n 13 4 3 Typical system installation 16 5 Commissioning Startup Operation and Shutdown 17 5 1 Preparation for startup 17 5 1 1 Check the rotation 17 5 2 Prime the pump 18 5 3 Start the pump 18 5 4 Pump operation precautions 18 5 5 Shut down the pump 19 5 6 Note on the packed pump operation 19 5 7 Vibration 20 6 Maintenance 21 6 1 Lubrication 21 6 2 Disassembly 21 6 2 1 Disassembly precautions 21 6...

Page 4: ...25 6 4 3 Assemble the box type single mechanical seal e 80 S 25 6 4 4 Assemble the double mechanical seal e 80 D 26 6 4 5 Assemble the packed stuffing box e 80 PF 27 6 4 6 Install the impeller 27 6 4 7 Reinstall the pump assembly 28 6 4 8 Screw torque values 28 6 4 9 Dealer servicing 28 7 Product warranty 29 Table of Contents 2 Series e 80 INSTRUCTION MANUAL ...

Page 5: ...1 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 eq...

Page 6: ...netic 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 fai...

Page 7: ... 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 and ...

Page 8: ...chemicals 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 a...

Page 9: ...uct 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 i...

Page 10: ...at 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 Storag...

Page 11: ...nheated 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: ...tain 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 accomplishe...

Page 13: ... Integrated Technologic with Sensorless Control ITSC or Integrated Technologic 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 ...

Page 14: ...ump location is overhead undertake special precautions to reduce possible noise transmission Consider a consultation with a noise specialist When possible locate the pump below the fluid level This facilitates priming ensures a steady flow of liquid and provides a positive suction head on the pump 4 1 3 Piping checklist WARNING The heating of water and other fluids causes volumetric expansion The ...

Page 15: ...a foot valve of equal or greater area than the pump suction piping when you use in an open system with a suction lift Prevent clogging by using a strainer at the suction inlet next to the foot valve Make sure that the strainer has an area three times that of the suction pipe with a mesh hole diameter of no less than 0 25 in 0 64 cm Check that flexible piping is used on both the suction and dischar...

Page 16: ...dles adequate to carry the loads from the pump and piping See Figure 4 on page 14 Figure 5 Optional B G 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 flanges and have tapped holes to accept the flange bolting and have mounting holes in their bases for anchor bolts Pipe supports not shown are re...

Page 17: ...Figure 9 on page 15 Figure 10 e 80 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 pump piping or pump supports are being fitted to the pump This support can only be used to handle the pump weight as it is not suitable to resist loads in other directions See Figure 10 on p...

Page 18: ...ffuser Plus 8 Isolation valve 9 Pipe from boiler chiller or converter 10 Cold water supply 11 B G Pressure Reducing Valve 12 B G Model 107A high capacity vent 13 B G 7 or 87 Air Vent 14 Drain valve Check that the control and safety devices have these characteristics Properly sized for their purpose Placed correctly in the system before putting the system into operation 4 Installation 16 Series e 8...

Page 19: ...e 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 amou...

Page 20: ... the pressure gauge 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 immed...

Page 21: ...e 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 ...

Page 22: ...ting 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 Operati...

Page 23: ...ts 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 valv...

Page 24: ...gs e 80 S e 80 D and e 80 PF 1 Remove the hex nuts from the seal cap bolts 2 For the 80 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 80 S 1 Remove the screws from the seal gland 2 Remove the coverplate screw...

Page 25: ...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 26: ... Assemble the standard mechanical seal e 80 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...

Page 27: ... 8 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 13 Single mechanical seal e 80 S 6 4 3 Assemble the box type single mechanical seal e 80 S 1 Lubricate the shaft sleeve ...

Page 28: ... double mechanical seal e 80 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 15 Double mechanical seal e 80 D 3 Insert another stationary seal and O r...

Page 29: ...late 15 Drip drain 16 Lantern ring 17 Packing 18 Gland bolt 19 Bracket 20 Shaft Figure 16 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 30: ...es 1 4 5 16 3 8 7 16 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 6 4 9 Dealer servicing If trouble occurs that cannot be rectified contact your local sales and service representative and be ...

Page 31: ...nder the Warranty are warranted only for the balance of the warranty period on the parts that were 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...

Page 32: ...roduct 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 damaged from ordinary wear and tear corrosion or chemical attack e damaged due to abnormal conditions vibration fai...

Page 33: ...laim check first with the dealer from whom you purchased the product or visit www xyleminc com for the name and location of the nearest dealer providing warranty service 7 Product warranty Series e 80 INSTRUCTION MANUAL 31 ...

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Page 36: ... 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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