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Xylem Bell & Gossett e-80SC Series, Instruction Manual

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Xylem Bell & Gossett e-80SC Series Instruction Manual Download Page 28

6.3.5  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

26

Series e-80SC INSTRUCTION MANUAL

Summary of Contents for Bell & Gossett e-80SC Series

Page 1: ...INSTRUCTION MANUAL P2002880 Rev B Series e 80SC ...

Page 2: ......

Page 3: ...cation guidelines 10 4 1 3 Piping checklist 11 4 2 Typical pump installation 12 4 3 Typical system installation 14 5 Commissioning Startup Operation and Shutdown 15 5 1 Preparation for startup 15 5 1 1 Check the rotation 15 5 2 Prime the pump 16 5 3 Start the pump 16 5 4 Pump operation precautions 17 5 5 Shut down the pump 17 5 6 Vibration 17 6 Maintenance 18 6 1 Lubrication 18 6 2 Disassembly 18 ...

Page 4: ... 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 5: ...mbols as shown in the following table Electrical hazard Magnetic fields hazard Electrical Hazard CAUTION 1 2 2 Safety instruction decals 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 failure to follow the instructions may result in a safety hazar...

Page 6: ...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 7: ...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 8: ...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 9: ...eat 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 Stora...

Page 10: ...rtical in line mounting Mechanical seal options The pump has two options for the mechanical seal Figure 2 Inside mechanical seal Figure 3 Outside mechanical seal Intended applications WARNING This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm For more information go to www P65Warnings ca gov...

Page 11: ...rbon Ceramic Optional seal EPR Silicon Carbide Silicon Carbide Optional seal EPR Carbon Tungsten Carbide Operating temperature range F C 20 to 250 29 to 121 10 to 225 23 to 107 20 to 250 29 to 121 20 to 250 29 to 121 pH range limits 7 0 to 11 0 7 0 to 9 0 7 0 to 12 5 7 0 to 9 0 Resistance to dissolved solids Low Medium Low Medium High Low Medium Maximum glycol water concentration 50 50 50 50 60 40...

Page 12: ...erent 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 centerline Raising the motor assembly more than 0 030 could damage the mechanical seal Replace the motor capscrews when the preferred position is determi...

Page 13: ...se 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 associated forces can cause the failure of system components and the release of high temperature fluids In order to prevent thi...

Page 14: ...eck that a B G Triple Duty valve is installed in the discharge line This valve serves as a check valve that protects the pump from water hammer and serves as an isolation valve for servicing and for throttling Check that the pipeline has isolation valves around the pump and has a drain valve in the suction pipe 4 2 Typical pump installation Various installation arrangements can be used as describe...

Page 15: ...nting holes in their bases for anchor bolts Pipe supports not shown are required such that the pump flanges are not supporting the piping Figure 7 Alternately with the optional B G Flange Supports insolation pads can be used between the support and the floor Figure 8 e 80SC 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 pip...

Page 16: ...nsion tank 2 B G Rolairtrol air separator 3 Supply to system 4 TPV tank purge system 5 B G Triple Duty valve 6 B G Series e 80SC Pump 7 B G Suction Diffuser 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...

Page 17: ... 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 18: ...er setup and running requirements Before you start the pump you must perform these tasks Open the suction valve Open any recirculation or cooling lines 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 4 Immediately check the pressure gauge to ensure that the pump quickly r...

Page 19: ...result in decreased performance NOTICE Avoid increased radial load Failure to do so can cause stress on the shaft and bearings Avoid heat build up Failure to do so can cause rotating parts to score or seize Avoid cavitation Failure to do so can cause damage to the internal surfaces of the pump Operation under freezing conditions NOTICE Do not expose an idle pump to freezing conditions Drain all li...

Page 20: ... 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 If liquid cont...

Page 21: ...mpeller inlet side shroud Trim angle From maximum diameter 7 in 177 8 mm to 6 125 in 155 6 mm Use diameter from selection curves 0 degrees no angle 6 5 875 5 75 5 625 in 162 4 to 142 9 mm B A plus 0 250 in 6 35 mm 8 degrees 5 5 5 375 5 25 5 125 minimum 5 in 139 7 to 127 0 mm B A plus 0 375 in 9 53 mm 8 degrees 6 3 Reassembly 6 3 1 Replace the seal The inside and outside seal can be replaced withou...

Page 22: ...tight b Leave the seal holding clips on the rotating part of the seal lubricate the bore of the seal with soapy water or other suitable lubricant such as International Products Corporation P 80 and install the rotating part of the seal on the shaft with the rotating face toward the seal seat c After the coupling assembly see below tighten the seal set screws on the shaft and remove the seal holdin...

Page 23: ...set after coupling assembly Figure 12 Inside seal 1 Rotating part of the seal 2 Shaft 3 Snap ring 4 Seal seat 5 Seal cap or gland 6 Seal cap gasket 7 Motor bracket 8 Seal gland cap screws 9 Washers 11 Reinstall the flush line 12 Reinstall the coupling guard 6 3 2 Motor collar ring setting CAUTION The motor collar ring must be set on the motor shaft at the correct position and set screws torqued to...

Page 24: ...ng distance This table describes the collar setting distance set screw size and set screw torque for TC and IEC motors Motor frame size Distance Collar DC in mm Set screw size Set screw torque in lbs 143TC 145TC 1 621 41 17 8 32UNC 20 182TC 184TC 2 121 53 87 8 32UNC 20 213TC 215TC 2 597 65 96 10 32UNF 36 254TC 256TC 3 227 81 97 10 32UNF 36 284TC 286TC 3 735 94 87 25 28UNF 87 324TSC 365TSC 2 855 72...

Page 25: ...ctions above 3 Upon disassembly the impeller and pump shaft weight cause the rotor to move downward and rest at the bottom of the volute During reassembly pump shaft and impeller will be pulled back up into position by the tapered washer acting against the tapered groove in the coupler patent pending 4 After the seal is pre assembled onto the pump according the section above assemble the tapered w...

Page 26: ...void mis alignment The shaft and impeller are pulled up in to position as the bolts are tightened Then rotate the shaft by hand and make sure the gap on both sides of the coupler is approximately equal Make sure the gap from the top to the bottom of the coupler is even If the gap is not equal loosen the bolts and repeat the tightening step 10 Slowly rotate the shaft by hand and check to see if any...

Page 27: ...shaft split ring to lift the impeller and shaft until the split ring groove is in line with the groove in the coupling 7 Place the other half of the coupler around the shaft 8 Insert the coupler cap screws and place a lock washer and nut on each screw The bolt heads at each level on opposite sides of the coupling should face in different directions for balance as shown in the Figure above 9 Tighte...

Page 28: ...es 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 26 Series e 80SC INSTRUCTION MANUAL ...

Page 29: ...der 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 30: ...oduct 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 fail...

Page 31: ...aim 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 80SC INSTRUCTION MANUAL 29 ...

Page 32: ...ies 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 ...

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