Bell and Gossett Series 1510 Installation, Operation And Maintenance Manual Download Page 22 | Manualshive

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Figure 5: Check the alignment using calipers

Align the pump using a dial indicator

1. Check the angular misalignment:

a) 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 this figure shows:

P

A

R

1

1

2

3

A

Angular alignment

P

Parallel alignment

1

Dial indicators

2

Index line

3

Resilient separator

d) Set the dial to zero.

Installation

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Series 1510 Installation, Operation, and Maintenance Manual

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Summary of Contents for Series 1510

Page 1: ...Series 1510 Installation Operation and Maintenance Manual ...

Page 2: ......

Page 3: ...17 Level the base on a concrete foundation 17 Grout the baseplate 17 Coupling alignment 18 Prepare for alignment 18 Align the pump using a straight edge and calipers 18 Align the pump using a dial indicator 20 Align the Rexnord Omega coupling 21 Maximum allowable misalignment for Rexnord Omega couplings 22 Fastener torque values and maximum RPM for Rexnord Omega couplings 23 Final alignment 23 Com...

Page 4: ... PF and 1510 8G 32 Pre assembly inspections 32 Replacement guidelines 32 Shaft and sleeve inspection 33 Bearing frame inspection 33 Reassembly 33 Seal assembly 33 Impeller installation 37 Assemble the packed stuffing box 1510 PF 38 Reinstall the bearing frame and impeller assembly all except 1510 8G 39 Reinstall the bearing frame and impeller assembly 1510 8G 39 Install the hex coupling guard 39 C...

Page 5: ...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 equipment please contact a Xylem representative before proceeding Do not change the service application without the approval of an authorized Xyl...

Page 6: ... risks if instructions are not followed in a proper manner NOTICE A potential situation which if not avoided could result in undesirable conditions A practice not related to personal injury 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 sy...

Page 7: ...fety 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 burn injuries Safety equipment Use safety equipment according to the company regulations Use this safety equipment wit...

Page 8: ... Make sure that the product has been thoroughly cleaned Disconnect and lock out power before you service the pump Check the explosion risk before you weld or use electric hand tools Precautions during work Observe these safety precautions when you work with the product or are in connection with the product Never work alone Always wear protective clothing and hand protection Stay clear of suspended...

Page 9: ...d by any nuclear radiation Inform Xylem so that accurate actions can take place Electrical installation For electrical installation recycling requirements consult your local electric utility Recycling guidelines Always follow local laws and regulations regarding recycling Product warranty Coverage Xylem undertakes to remedy defects in products from Xylem under these conditions The faults are due t...

Page 10: ...umes no liability for these situations Bodily injuries Material damages Economic losses Warranty claim Xylem products are high quality products with expected reliable operation and long life However should the need arise for a warranty claim then contact your local sales and service representative Introduction and Safety 8 Series 1510 Installation Operation and Maintenance Manual ...

Page 11: ...ive if anything is out of order Lifting methods 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 identified lifting points Lifting devices such as eyebolts slings and spreaders must be rated selected and used for the entire load being lifte...

Page 12: ...m 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 Transportation and Stor...

Page 13: ...ating 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 Operational specifications Mechanical seal specifications This table describes the specifications of each mechanical seal type Seal type Parameter Value Standard seals BUNA pH range limits fo...

Page 14: ...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 by inserting a small heat exchanger in the flush line to cool the seal flushi...

Page 15: ...lings and spreaders must be rated selected and used for the entire load being lifted Guideline Explanation comment Keep the pump as close to the liquid source as practically possible This minimizes the friction loss and keeps the suction piping as short as possible Make sure that the space around the pump is sufficient This facilitates ventilation inspection maintenance and service If you require ...

Page 16: ...s Requirements The foundation must be able to absorb any type of vibration and form a permanent rigid support for the unit The foundation must weigh at least 2 1 2 times the weight of the pump unit Provide a flat substantial concrete foundation in order to prevent strain and distortion when you tighten the foundation bolts Sleeve type and J type foundation bolts are most commonly used Both designs...

Page 17: ...th flanges check that the bolt holes in the pump flanges match the bolt holes in the pipe flanges 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 Check that fittings for absorbing expansion are installed in the system when considerable temperature changes are expected This helps to a...

Page 18: ...valve 9 Pipe from boiler chiller or converter 10 Cold water supply 11 B G Reducing Valve Special installation Installation with suction diffuser and triple duty valve Do not install and operate triple duty valves and suction diffusers in closed systems unless the system is designed with these safety and control devices Pressure relief valves Compression tanks Pressure controlling equipment Tempera...

Page 19: ...hims or wedges on both sides of each anchor bolt in order to support the pump This also provides a means of leveling the base 4 1 5 2 3 6 7 8 1 Pump Base Rail 2 Grout only to top of base rail 3 To keep shims in place allow non shrinking grout to flow around hold down lugs 4 Grout 5 Concrete Foundation 6 Shims 7 1 25 40 mm Gap 8 Allow 1 for shims Place on both sides of anchor bolts Grout the basepl...

Page 20: ...bs and bushings on the shafts with keys 3 Hold one half element on the hubs in order to determine the appropriate hub spacing 4 If you use spacer elements with high speed rings hold both half elements on the hubs in order to make sure the hubs do not interfere with the rings 5 You can install the hubs with the hub extension facing in or out Make sure the shaft extends into the hubs at least 0 8 ti...

Page 21: ...on the equipment until the offset is within the permissible range See Maximum allowable misalignment for Rexnord Omega couplings A E10 coupling with a 3 angular misalignment will have a 0 191 in 0 485 cm difference in measurements between L1 and L2 This is within the 0 to 4 misalignment that is allowed for that size of coupling 1 2 1 Straight edge 2 Feeler guage Figure 3 Check the alignment using ...

Page 22: ...haft 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 this figure shows P A R 1 1 2 3 A Angular alignment P Parallel alignment 1 Dial indicators 2 Index line 3 Resilient separator d Set the dial to zero Installation 20 Series 1510 Installation Operation and Maintenance Manual ...

Page 23: ...hieve the required counterforce and the hardware can become loose and dislodge from the coupling assembly Failure to follow these instructions can result in serious personal injury or death or property damage 1 Recheck the hubs to be certain that both the angular and parallel alignments are still within the proper range 2 Loosen the setscrew on the pump hub 3 Torque all element and high speed ring...

Page 24: ...ignment E2 0 032 0 081 0 065 0 165 0 097 0 247 0 129 0 328 E3 0 040 0 102 0 081 0 206 0 121 0 307 0 162 0 411 E4 0 045 0 114 0 091 0 231 0 136 0 345 0 181 0 460 E5 0 055 0 140 0 109 0 277 0 164 0 417 0 218 0 554 E10 0 064 0 163 0 127 0 323 0 191 0 485 0 218 0 554 E20 0 078 0 198 0 156 0 396 0 234 0 595 E30 0 095 0 241 0 189 0 480 0 284 0 721 E40 0 116 0 295 0 231 0 587 0 347 0 881 E50 0 142 0 361 ...

Page 25: ...500 E10 23 3 7500 7500 E20 30 3 50 6 6600 4800 E30 50 6 5800 4200 E40 100 11 5000 3600 E50 100 11 4200 3100 E60 75 8 167 19 3800 2800 E70 167 19 3600 2600 E80 167 19 2000 1800 Final alignment You cannot perform the final alignment until you initially operate the pump long enough to reach operating temperature When the pump reaches the normal operating temperature then secure the pump and re check ...

Page 26: ...tor shafts However the amount of the offset and or misalignment depends on the style of the applied flexible coupling If you do not correct this coupling misalignment there is a significant impact on the overall life of the mechanical seals and the bearings of the pump Installation 24 Series 1510 Installation Operation and Maintenance Manual ...

Page 27: ... 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 amount of fluid through the pump until the casing temperature is within 100 F 38 C of the fluid temperature At initial startup do not ad...

Page 28: ...ceeds normal levels then shut down the pump immediately and correct the problem 7 Repeat steps 5 and 6 until the pump runs properly Pump operation precautions General considerations CAUTION Vary the capacity with the regulating valve in the discharge line Never throttle the flow from the suction side since this can result in decreased performance unexpected heat generation and equipment damage Do ...

Page 29: ...c failure of drive components or unintended contact of rotating parts Follow the coupling installation and operation procedures from the coupling manufacturer You must check the final alignment after the pump and driver are at operating temperature For initial alignment instructions see the Installation chapter 1 Run the unit under actual operating conditions for enough time to bring the pump driv...

Page 30: ...on has unique operating conditions that result in widely variable leakage rate requirements Maximum fluid temperature At fluid operating temperatures near the upper limit of 190 F 88 C the maximum temperature rise of the leakage is important Never operate a packed pump with steam forming at the gland This limits the temperature rise to a maximum of about 20 F 7 C If the formation of steam persists...

Page 31: ...perating hours as the pump runs and purges the excess grease from the bearings Lubricating grease requirements NOTICE Never mix greases of different consistencies NLGI 1 or 3 with NLGI 2 or with different thickeners For example never mix a lithium based grease with a polyurea based grease This can result in decreased performance Remove the bearings and old grease if you need to change the grease t...

Page 32: ...alled 2 Open the drain valve Do not proceed until liquid stops coming out of the drain valve If liquid continues to flow from the drain valve the isolation valves are not sealing properly and you must repair them before you proceed 3 Leave the drain valve open and remove the drain plug located on the bottom of the pump housing Do not reinstall the plug or close the drain valve until the reassembly...

Page 33: ...s possible on the shaft 3 Remove the sleeve If you use a full diameter impeller you might have to remove the pump side coupler half and slide the motor back on its base This allows you to gain sufficient clearance in order to remove the pump assembly from the volute Remove the bearing frame and impeller assembly 1 Remove the support foot capscrews 2 Loosen the volute capscrews but do not remove th...

Page 34: ...he retainer if it is used Remove the seal or packing rings 1510 S 1510 D 1510 PF and 1510 8G 1 Remove the hex nuts from the seal cap bolts 2 For the 1510 8G remove the spacer sleeve and 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 Pre assembly inspections Guidelines B...

Page 35: ...ring frame inspection Check the bearing frame for these conditions Visually inspect the bearing frame and support foot for cracks Inspect the bearing frame for smooth and free operation Inspect the bearing frame for contamination by pumped fluids Repair or replace the bearing frame as necessary Reassembly Seal assembly Assemble the standard mechanical seal 1510 and 1510 F 1 Lubricate the shaft sle...

Page 36: ...ox and the seal elastomer with soapy water Do not use a petroleum lubricant 2 Install the stationary element and rotating assembly of the mechanical seal on the shaft sleeve Make sure that the two wearing surfaces face each other and that the rotating half of the seal is installed closest to the impeller end 3 Install the seal spring and spring retainer onto the shaft sleeve 4 Slide the coverplate...

Page 37: ... shaft sleeve and seal cap with soapy water Do not use a petroleum lubricant 2 Insert a stationary seal with an O ring into the seal cap and slide it onto the shaft 3 Replace the seal cap gasket 4 Slide the rotating portion of the seal assembly onto the shaft sleeve and lock it in place ID seal size Distance between collar and impeller end of the shaft sleeve 1 1 4 in 3 175 cm 1 13 32 in 3 571 cm ...

Page 38: ... 6 Seal cap bolt 7 Seal cap 8 O ring 9 Motor end Figure 11 1510 S Assemble the double mechanical seal 1510 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 Maintenance 36 Series 1510 Ins...

Page 39: ...the hex nuts on the seal cap bolts according to the Capscrew torque values table Impeller installation Install the impeller all except the 1510 8G 1 Install the impeller impeller washer lock washer and capscrew 2 Tighten the capscrew according to the Capscrew torque values table Install the impeller 1510 8G 1 Install the spacer sleeve over the shaft sleeve 2 Install the impeller key impeller washe...

Page 40: ...eller Capscrew 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 according to the Capscrew torque table in the Maintenance chapter 6 Tighten the packing gland ...

Page 41: ...lide the inner guard into the outer guard 2 Spread the guards and place them over the coupling Do not spread the inner and outer guards more than necessary for guard installation as it can alter their fit and appearance 3 Straddle the support bracket with the guards and install a capscrew through the hole in the support bracket and guard located closest to the pump Do not tighten the capscrew 4 In...

Page 42: ... 8 10 14 16 22 24 33 46 62 SAE grade 5 8 11 17 23 30 41 50 68 76 103 48 65 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 Mai...

Page 43: ......

Page 44: ... 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 backed by a legacy of innovation For more information on how Xylem can help you go to xyleminc com Xylem Inc 8200 N Austin Avenue Morton Grove IL 60053 USA Tel 1 847 966 3700 Fax 1 847 965 8379 www xyleminc com brands bellgosset...

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