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22

Maintenance

CFB/EN (1808) 2.4

5.5

Noise

If a pump starts making noise, this may point to certain problems with the pump unit. A 
crackling noise can indicate cavitation or excessive motor noise can indicate 
deterioration of the bearings.

5.6

Motor

Check motor specifications for start-stop frequency.

5.7

Faults

The pump, of which you want to determine the fault, may be hot or under 
pressure. Take the appropriate precautions first and protect yourself with 
the proper safety devices (safety goggles, gloves, protective clothing)!

To determine the source of the malfunctioning of the pump, proceed as follows:

1 Switch off the power supply to the pump unit. Lock the working switch with a padlock 

or remove the fuse.

2 Close the stop valves.

3 Determine the nature of the fault.

4 Try to determine the cause of the fault with chapter 6 "Problem solving" and take the 

appropriate measures or contact your installer.

Содержание CombiFlexBloc Series

Страница 1: ...CFB EN 1808 2 4 CombiFlexBloc Orginal instructions Read and understand this manual prior to operating or servicing this product INSTRUCTION MANUAL Vertical centrifugal pump in monobloc execution...

Страница 2: ......

Страница 3: ...n refers may only be put into operation after they have been installed in the way prescribed by the manufacturer and as the case may be after the complete system of which these pumps form part has bee...

Страница 4: ...2 EC EN 1712 6 0...

Страница 5: ...ught to the notice of third parties without our prior written consent SPXFLOW is a global multi industry manufacturing leader The company s highly specialized engineered products and innovative techno...

Страница 6: ...4 INT EN 1512 1 2...

Страница 7: ...3 Serial number 14 2 4 Applications 14 2 5 Construction 14 2 5 1 Design 14 2 5 2 Pump casing impeller suction bend 14 2 5 3 Shaft sealing 14 2 5 4 Bearing construction 14 2 5 5 Foot pads 15 2 6 Appli...

Страница 8: ...assembling the wear ring 28 7 5 4 Assembling the wear ring 28 7 6 Stuffing box packing S2 S3 S4 29 7 6 1 Instruction for assembling and disassembling stuffing box packing 29 7 6 2 Replacing the stuffi...

Страница 9: ...ing box packing S2 S3 58 9 4 1 Stuffing box packing S2 S3 58 9 4 2 Parts list stuffing box packing S2 S3 58 9 5 Stuffing box packing S4 59 9 5 1 Stuffing box packing S4 59 9 5 2 Parts list stuffing bo...

Страница 10: ...r the impeller hub for shaft sealing groups S2 S3 S4 68 10 7 Hydraulic performance 69 10 8 Noise data 71 10 8 1 Pump noise as a function of pump power 71 10 8 2 Noise level of entire pump unit 72 Inde...

Страница 11: ...eliveries accordingly 1 2 Safety This manual contains instructions for working safely with the pump Operators and maintenance staff must be familiar with these instructions Installation operation and...

Страница 12: ...ishly carelessly improperly and or negligently The products supplied become defective due to external circumstances beyond our control All parts which are liable to wear are excluded from guarantee Fu...

Страница 13: ...eath a load that is being lifted If the electric motor is provided with a lifting eye this lifting eye is intended only for the purpose of carrying out service activities to the electric motor The lif...

Страница 14: ...fax order form is included in this manual You should always state all data stamped on the type plate when ordering parts and in any other correspondence regarding the pump This data is also printed o...

Страница 15: ...geable also with other pump types of the Combi system 2 2 Type code Pumps are available in various designs The main characteristics of the pump are shown in the type code Example CFB 40 200 G1 M1 K1 P...

Страница 16: ...components are described below 2 5 2 Pump casing impeller suction bend These are the parts that get into contact with the pumped liquid For each individual pump type there is only one construction of...

Страница 17: ...ical data 2 7 Re use The pump may only be used for other applications after prior consultation with SPXFLOW or your supplier Since the lastly pumped medium is not always known the following instructio...

Страница 18: ...16 General CFB EN 1808 2 4...

Страница 19: ...leakage liquid from the shaft seal should also be discharged safely 3 2 Preservation In order to prevent corrosion the inside of the pump is treated with a preserving agent before leaving the factory...

Страница 20: ...etc 3 6 Accessories Fit any parts that may have been supplied separately If necessary mount a foot valve at the bottom of the suction pipe Combine this foot valve with a suction strainer to prevent i...

Страница 21: ...to be pumped 3 Turn the pump shaft a few times by hand and add more liquid if necessary 4 4 Checking the sense of rotation Beware of possible non screened rotating parts when checking the sense of ro...

Страница 22: ...4 6 2 Mechanical seal A mechanical seal may never show visible leakage 4 7 Pump in operation When the pump is in operation pay attention to the following The pump should never run dry Never use a sto...

Страница 23: ...enance however it should never be allowed to run dry If there are no problems do not dismantle the mechanical seal As the seal faces have run in on one another dismantling usually implicates replaceme...

Страница 24: ...the fault may be hot or under pressure Take the appropriate precautions first and protect yourself with the proper safety devices safety goggles gloves protective clothing To determine the source of...

Страница 25: ...ing failures as well as their possible causes are shown in the table below Table 2 Most frequently occurring failures Most common faults Possible causes see Table 3 Pump delivers no liquid 1 2 3 4 5 6...

Страница 26: ...pump casing 21 Obstruction in the piping 22 Wrong installation of the pump unit 24 Rotating part running out of true 25 Imbalance in rotating parts for instance impeller or pump shaft 26 Pump shaft i...

Страница 27: ...o special tools However such tools can make certain jobs easier for instance replacing the shaft seal If such is the case it will be indicated in the text 7 3 Liquid draining Make sure no liquid gets...

Страница 28: ...4 Disconnect the cooling water supply lines 1420 to the stuffing box cover 0110 NEVER start dismantling by loosening the motor bolts 0850 and nuts 0900 This may result in irrepairable damage to the m...

Страница 29: ...he Loctite contact 3 Remove the impeller 0120 with a pulley puller or wrest the impeller by inserting for instance 2 big screwdrivers between the impeller and the stuffing box cover 0110 4 Remove the...

Страница 30: ...holes in the ring see figure 5 C Don t drill deeper than the width b of the ring Take care not to damage the fitting edge of the pump casing 4 Use a chisel to cut the remaining part of the ring thickn...

Страница 31: ...s your supplier can supply a special packing puller See figure 6 Only use packing rings with the right dimensions Grease the stuffing box the shaft sleeve and the packing rings with some graphite grea...

Страница 32: ...ged If so you still have to disassemble the pump Then proceed with paragraph 7 6 4 Disassembling the shaft sleeve 7 6 3 Mounting a new stuffing box packing S2 S3 S4 1 Bend the first packing ring open...

Страница 33: ...eller 2 Pull the shaft sleeve 1100 from the pump shaft 7 6 5 Mounting the shaft sleeve 1 Slide the shaft sleeve over the pump shaft Watch the position of the key ways in the shaft sleeve in respect of...

Страница 34: ...seal is a fragile precision instrument Leave the seal in its original packing until you are ready to fit it Clean all receiving parts properly Make sure your hands and working environment are clean N...

Страница 35: ...hanical seal M0 1 Make sure the stub shaft 2200 is not damaged If it is replace it 2 Place the electric motor with the shaft upright 3 Put the pump cover flat down and press the counter ring of the se...

Страница 36: ...Special tools the seal group M1 is easily mounted by using a special conical mounting bush The mounting bush covers the sharp edges on the shaft which means that the risk of damaging the seal during...

Страница 37: ...ther parts see paragraph 7 5 2 Mounting the impeller 7 7 6 Disassembling a mechanical seal M2 M3 The item numbers used are referring to figure 12 1 Remove the impeller see paragraph 7 5 1 Disassemblin...

Страница 38: ...er in the right position in the fitting edge of the bearing bracket Check whether the stuffing box cover is at right angles to the pump shaft 9 Fit the mechanical seal cover 1230 to the stuffing box c...

Страница 39: ...agraph 7 5 1 Disassembling of the impeller and paragraph 7 7 2 Disassembling a mechanical seal M0 2 Loosen the bolts 0850 and nuts 0900 and remove the lantern piece 0250 from the motor 3 Loosen the se...

Страница 40: ...for the proper thickness X of the shims 5 Mount the pump cover 0110 the mechanical seal 1200 and the impeller 0120 6 Push the impeller on the stub shaft until the back blades touch the pump cover 7 F...

Страница 41: ...x al an 32 78 100 140 4 x 18 18 40 88 110 150 4 x 18 18 50 102 125 165 4 x 18 20 65 122 145 185 4 x 18 20 80 138 160 200 8 x 18 22 100 158 180 220 8 x 18 22 125 188 210 250 8 x 18 24 150 212 240 285...

Страница 42: ...ac ae ag ai x ak am 65 122 145 185 4 x 18 20 80 138 160 200 8 x 18 22 100 158 180 220 8 x 18 22 125 188 210 250 8 x 18 24 150 212 240 285 8 x 22 24 200 268 295 340 8 x 22 31 Figure 16 Dimensions foot...

Страница 43: ...pads K3 8 5 Dimensions foot pads 200 200 250B 315 K3 Figure 17 Dimensions foot pads Top view va vb fa 160 460 500 18 200 500 545 18 250 555 600 18 315 600 650 18 400 750 800 22 Figure 18 Dimensions fo...

Страница 44: ...42 Dimensions CFB EN 1808 2 4 8 6 Pump dimensions K1 with suction bend Standard suction bend pos I junction box electric motor pos 1 Figure 19 Pump dimensions K1 with suction bend...

Страница 45: ...15 145 5 155 5 175 5 205 5 225 5 65 160 125 65 242 375 240 250 145 5 155 5 175 5 205 5 205 5 65 200 125 65 222 375 240 280 145 5 155 5 175 5 205 5 205 5 65A 250 125 65 242 370 240 315 160 170 190 220...

Страница 46: ...240 315 178 5 188 5 208 5 238 5 80 160 150 80 232 390 350 250 145 5 155 5 175 5 205 5 205 5 80 200 150 80 252 400 350 280 158 5 168 5 188 5 218 5 218 5 248 5 248 5 80 A 250 150 80 252 400 350 315 148...

Страница 47: ...CFB EN 1808 2 4 Dimensions 45 CombiFlexBloc 8 7 Pump dimensions K3 with suction bend Standard suction bend pos I junction box electric motor pos 1 Figure 20 Pump dimensions K3 with suction bend...

Страница 48: ...5 155 5 175 5 205 5 225 5 65 160 125 65 242 500 240 250 145 5 155 5 175 5 205 5 205 5 65 200 125 65 222 500 240 280 145 5 155 5 175 5 205 5 205 5 65A 250 125 65 242 500 240 315 160 170 190 220 240 250...

Страница 49: ...242 500 240 315 178 5 188 5 208 5 238 5 80 160 150 80 232 500 350 250 145 5 155 5 175 5 205 5 205 5 80 200 150 80 252 500 350 280 158 5 168 5 188 5 218 5 218 5 248 5 248 5 80 A 250 150 80 252 500 350...

Страница 50: ...nsions CFB EN 1808 2 4 8 8 Pump dimensions 200 200 250B 315 K3 with suction bend Standard suction bend pos I junction box electric motor pos 1 Figure 21 Pump dimensions 200 200 250B 315 K3 with suctio...

Страница 51: ...15 250 250 533 800 600 500 241 5 241 5 283 5 283 5 IEC motor 80 90 S 90 L 100 L 112 M 132 S 132 M 160 M 160 L 180 M 180 L 200 L 225 S 225 M 250 M 280 S 280 M sv 286 308 332 366 392 450 488 548 592 626...

Страница 52: ...50 Dimensions CFB EN 1808 2 4...

Страница 53: ...e the following data 1 Your address 2 The quantity the item number and the description of the part 3 The pump number The pump number is stated on the label on the cover of this manual and on the type...

Страница 54: ...52 Parts CFB EN 1808 2 4 9 2 Pump construction K1 9 2 1 Sectional drawing M0 Figure 22 Sectional drawing M0...

Страница 55: ...eable cast iron bronze 0800 4 8 12 Allen screw steel 0810 washer steel 0850 4 bolt steel 0900 4 nut steel 1100 1 distance sleeve stainless steel 1220 1 mechanical seal 1310 1 plug malleable cast iron...

Страница 56: ...54 Parts CFB EN 1808 2 4 9 2 3 Sectional drawing M1 M2 M3 S2 S3 S4 Figure 23 Sectional drawing M1 M2 M3 S2 S3 S4...

Страница 57: ...bronze 0120 1 impeller cast iron bronze alu brz bronze alu brz 0130 1 wear ring cast iron bronze 0250 1 lantern piece cast iron 0270 2 guard aluminium 0275 4 bolt steel 0300 1 gasket 0320 2 plug malle...

Страница 58: ...56 Parts CFB EN 1808 2 4 9 3 Pump construction K3 9 3 1 Sectional drawing M1 M2 M3 S2 S3 S4 Figure 24 Sectional drawing M1 M2 M3 S2 S3 S4...

Страница 59: ...bronze 0120 1 impeller cast iron bronze alu brz bronze alu brz 0130 1 wear ring cast iron bronze 0250 1 lantern piece cast iron 0270 2 guard aluminium 0275 4 bolt steel 0300 1 gasket 0320 2 plug malle...

Страница 60: ...iron bronze 1100 1 1 shaft sleeve stainless steel 1110 1 1 bottom ring bronze 1120 5 4 packing ring 1130 1 lantern ring bronze 1140 1 1 gland cast iron bronze 1310 1 plug steel stainless steel 1320 1...

Страница 61: ...1100 1 shaft sleeve stainless steel 1110 1 bottom ring bronze 1120 5 packing ring 1140 1 gland cast iron 1150 1 cooling jacket cast iron 1310 1 plug steel 1320 1 gasket 1340 1 gasket 1350 1 O ring 13...

Страница 62: ...al 1200 1 shaft sleeve brass 1210 1 throttling bush bronze 1220 1 mechanical seal 1230 1 mechanical seal cover cast iron 1300 1 gasket 1340 1 gasket 1400 1 pipe nipple steel 1410 1 pipe union brass 14...

Страница 63: ...1 mechanical seal cover cast iron bronze 1270 1 1 locking pin stainless steel 1300 1 1 gasket 1310 1 1 plug steel stainless steel 1320 1 1 gasket 1330 1 1 plug steel stainless steel 1340 1 1 gasket 1...

Страница 64: ...d K1 See figure 29 Quantity depends on pump type Figure 29 Sectional drawing suction bend K1 Item Quantity Description Material cast iron bronze 0350 2 plug steel stainless steel 0360 1 gasket 0400 1...

Страница 65: ...See figure 30 Quantity depends on pump type Figure 30 Sectional drawing suction bend K3 Item Quantity Description Material cast iron bronze 0350 2 plug steel stainless steel 0360 1 gasket 0400 1 sucti...

Страница 66: ...e figure 31 Quantity depends on pump type Figure 31 Sectional drawing suction bend 200 200 250B 315 Item Quantity Description Materials cast iron bronze 0350 2 plug steel stainless steel 0360 1 gasket...

Страница 67: ...grease Molycote BR2 graphite grease silicon grease 10 2 2 Recommended locking liquids Table 6 Bearing group division Bearing groups 1 2 3 32 160 65 250 80 400 32 200 65 315 100 400 40 160 80 200 125 3...

Страница 68: ...105 Table 9 Tightening moments for cap nut 1820 Size Tightening moment Nm M12 bearing group 1 43 M16 bearing group 2 105 M24 bearing group 3 220 Table 10 Maximum speed max speed min 1 32 160 3600 32 2...

Страница 69: ...0 6 1 0 1 6 2 2 3 0 4 0 5 0 6 2 50 160 0 2 0 4 0 7 1 0 1 3 1 7 2 1 2 7 3 2 3 8 50 200 0 4 0 7 1 0 1 5 2 0 2 6 3 3 4 1 4 9 5 8 50 250 0 6 1 1 1 7 2 4 3 3 4 3 5 4 6 7 65 160 0 3 0 5 0 7 1 0 1 4 1 8 2 3...

Страница 70: ...0 5 0 5 0 6 50 160 0 1 0 2 0 2 0 4 0 5 0 6 0 8 1 0 1 2 1 4 50 200 0 1 0 2 0 3 0 5 0 6 0 8 1 0 1 3 1 5 1 8 65 125 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 65 160 0 0 0 1 0 1 0 1 0 2 0 2 0 3 0 4 0 4 0 5...

Страница 71: ...CFB EN 1808 2 4 Technical data 69 CombiFlexBloc 10 7 Hydraulic performance Figure 32 Performance overview 3000 min 1 Figure 33 Performance overview 1500 min 1...

Страница 72: ...70 Technical data CFB EN 1808 2 4 Figure 34 Performance overview 3600 min 1 Figure 35 Performance overview 1800 min 1...

Страница 73: ...mp power kW at 1450 min 1 A sound power level B sound pressure level Figure 37 Noise level as function of pump power kW at 2900 min 1 A sound power level B sound pressure level 54 56 58 60 62 64 66 68...

Страница 74: ...f the motor 3 Determine the difference between both levels L1 L2 4 Find the differential value on the L1 L2 axis and go up to the curve 5 From the curve go left to the L dB axis and read out the value...

Страница 75: ...uarantee 10 H Hoisting 11 I Inspection pump 19 L Lifting eye 11 Liquid draining 25 Liquid level 19 71 M Maintenance staff 9 Max allowable working pressure 71 Mechanical seal 20 assembly instructions 3...

Страница 76: ...c electricity 17 Storage 10 11 Stub shaft adjusting 38 assembling 38 disassembling 37 replacing 37 Stuffing box packing assembly instructions 29 mounting 30 removal 30 removal instructions 29 T Techni...

Страница 77: ...er will only be dealt with if this order form has been correctly completed and signed FAX Nr ADDRESS Order date Your order number Pump type Execution Quantity Item No Part Article number pump Delivery...

Страница 78: ...76 ORDFORM 1512 3 3 EN...

Страница 79: ...e locations approvals certifications and local representatives please visit www spxflow com johnson pump SPXFLOW Corporation reserves the right to incorporate our latest design and material changes wi...

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