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Wilo WILO-SCP, Installation And Operating Instructions Manual

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Wilo WILO-SCP Installation And Operating Instructions Manual Download Page 26

 
 

 
 

9.3     Disassembling the pump

 

 

          

 

 

Exploded view of SCP pump (Gland pack version) 

 

 

Gland pack version

 

No.

 

Description

 

No.

 

Description

 

1

 

Casing top  half

 

20

 

Bearing end cover (Non-Drive End)

 

2

 

Casing bottom  half

 

21

 

Stud for bearing end cover

 

3

 

Impeller

 

22

 

Bearing (Non-Drive End)

 

4

 

Shaft

 

23

 

Lock washer

 

5

 

Neck ring (Wear ring)

 

24

 

Lock nut

 

6

 

Impeller key

 

25

 

Bearing housing (Non-Drive End)

 

7

 

Shaft  sleeve

 

26

 

Hex plug

 

8

 

O-ring

 

27

 

Air cock

 

9

 

Spacer Sleeve

 

28

 

Hex screw for jacking

 

10

 

Sleeve nut

 

29

 

Studs for split flange

 

11

 

Stuffing box bush

 

30

 

Coupling key

 

12

 

Gland packing

 

31

 

Gasket

 

13

 

Logging ring

 

32

 

Water thrower

 

14

 

Gland

 

33

 

Steady pin

 

15

 

Stud for gland

 

34

 

Stud coupling

 

16

 

Bearing end cover (Drive End)

 

35

 

Sealing connection  (Flushing Pipe)

 

17

 

Bearing (Drive End)

 

36

 

Hex screw for bearing housing

 

18

 

Bearing housing (Drive End)

 

37

 

4-way valve

 

19

 

Thrust collar

 

38

 

Neck ring pin

 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Installation and operating  instructions WILO-Split Case Pumps                                                                                                                                                                         

24

 

Summary of Contents for WILO-SCP

Page 1: ...WMPPPL_IOM_SCP_RV 004_20201226 WILO SCP en Installation and operating instructions ...

Page 2: ...that install and maintain the pump shall be responsible for hassle free installation operation or maintenance of the product This document is prepared with at most care to ensure correct and accurate information enabling the user to have trouble free installation and operational support However there can be few areas for improvement to make this document error free We welcome your valuable suggest...

Page 3: ...lete pump set Page No 9 Point no 3 3 1 Fig 2 Lifting of complete pump Page No 9 Point no 3 3 1 Fig 3 Fig 3 Foundation pump set Page No 17 Point no 7 2 1 Fig 4 Installation and operating instructions WILO Split Case Pumps 1 ...

Page 4: ...oint no 7 2 1 Fig 5 Angular Radial Alignment Page No 18 Fig 6 Maximum Allowable Forces Moments for Cast Iron Flanges Page No 19 Fzs Fzd Mzs Mzd Fyd Myd Mxd Fxd Fys Mys Fxs Mxs Installation and operating instructions WILO Split Case Pumps 2 ...

Page 5: ...Fig 7 Suction Line Page No 20 Point no 7 2 5 Fig 8 1 Suction Line Page No 20 Point no 7 2 5 Fig 8 2 Suction Line Page No 20 Point no 7 2 5 Installation and operating instructions WILO Split Case Pumps 3 ...

Page 6: ...g 8 1 Good and Bad Suction Line Layouts Page No 20 Point no 7 2 5 Fig 8 2 Good and Bad Suction Line Layouts Page No 20 Point no 7 2 5 Ø 4xØ Installation and operating instructions WILO Split Case Pumps 4 ...

Page 7: ...nt no 7 2 5 Fig 9 Stuffing Box Packing Page No 20 Point no 7 2 7 Fig 10 Lifting of the pump with engine Page No 9 Point no 3 3 1 10 Fig 8 3 Good and Bad Suction Line Layouts Page No 20 Point no Installation and operating instructions WILO Split Case Pumps 5 ...

Page 8: ...htening Seen NOTE The above example shown is for pump with 26 bolts This sequence of tightening the diagonally opposite bolts is to be followed for other pumps with different number of bolts Installation and operating instructions WILO Split Case Pumps 6 ...

Page 9: ... Accessories 12 6 Description andfunction 12 6 1 Description of the product 12 6 1 5 Connection Details 13 6 1 6 Pump Technical Data 14 7 Installation andelectrical connection Motor Pump coupling system 15 7 1 Installation of bare shaft pump 15 7 2 Installation of the complete pump set 16 8 Commissioning 19 8 1 Cleaning prior to start 20 8 2 Filling and venting 20 8 3 Starting the pump 20 9 Mainte...

Page 10: ...n to possible problems Information that appears directly on the product such as Rotation direction of flow symbol Identifiers for connections Rating plate Warning stickers must be strictly complied with and kept in a fully legible condition 2 2 Personnel qualifications The installation personnel must have the appropriate qualification for this work 2 3 Danger in event of non observance of the safe...

Page 11: ...r s scope of supply it is advised to go for CE approved motors panels Environmental safety Disposal of any unwanted scrap material should be disposed in appropriate way so as not to cause any harm to the environment No hazardous material is used in WILO SCP pumps NOTE To avoid ambiguity in the use of the word replace the words replace and renew are used in this manual in the following context Repl...

Page 12: ... o n g term storage more than 3 month If the equipment will be subject to extended storage condition prior to installation then the manufacturer must be informed about storage duration so that special protection can be recommended Place the SCP pumps horizontally on firm foundation and secure it against falling The pump set must be protected from direct sun light heat dust and frost The rotors or ...

Page 13: ...temperature min max Mechanicalseal version C Gland packing version C Ambient Temperature Limits of ambient temperature min max C 5 up to 60 Ambient humidity 90 other on request Motor insulation class F other on request Motor protection level IP 55 Electrical protection for motor required in place in accordance with localregulation Acoustic pressure level In accordance with motor performances Refer...

Page 14: ...e 6 pg 14 For two stage pumps these neckrings are located in the bottom half of the casing by half spigot tung and groove and its rotation is restricted by flat face of the top casing For rest of the single stage pumps plain neck rings with neck ring pins in bottom casing for locking are used The neck ring pin is press fitted in the neck ring 6 1 3 Sealingsystem To prevent leakage along the shaft ...

Page 15: ...8 29 SCP 200 320 HA 3 8 3 8 3 4 3 8 3 4 3 4 3 4 M8 M8 30 SCP 200 370 HA 3 8 3 8 3 4 3 8 3 4 3 4 3 4 M8 M8 31 SCP 200 360 HB 3 8 3 8 3 4 3 8 3 4 3 4 3 4 M8 M8 32 SCP 200 390 HA 3 8 3 8 1 3 8 3 4 3 4 3 4 M8 M8 33 SCP 200 440 HA 3 8 3 8 1 3 8 3 4 3 4 3 4 M8 M8 34 SCP 200 460 HA 3 8 3 8 1 3 8 3 4 3 4 3 4 M8 M8 35 SCP 200 550 HA 3 8 3 8 1 3 8 1 2 1 2 3 4 M8 M8 36 SCP 200 480 HA 3 8 3 8 1 3 8 1 2 1 2 3 ...

Page 16: ...0 DS 0 48 17 5 3 4 2 0 6309 2z 6309 2z 28 SCP 200 310 HA 0 50 17 5 3 3 1 75 6308 2z 6308 2z 29 SCP 200 320 HA 0 50 17 5 3 3 1 75 6308 2z 6308 2z 30 SCP 200 370 HA 0 50 17 5 3 3 1 75 6308 2z 6308 2z 31 SCP 200 360 HB 0 53 17 5 3 3 1 75 6308 2z 6308 2z 32 SCP 200 390 HA 0 53 20 3 3 2 05 6311 2z 6311 2z 33 SCP 200 440 HA 0 50 20 3 3 2 05 6311 2z 6311 2z 34 SCP 200 460 HA 0 53 20 3 3 2 05 6311 2z 6311...

Page 17: ...ectrical motor selection Select an electrical motor with sufficient power margin regarding the motor rating The table below will guide you in this selection Electrical motor selection Shaft power P2 4 KW 4 kW P2 10 kW 10 kW P2 40 kW 40 kW P2 Recommended power margin 25 20 15 10 Example Duty point 100 m3 h 35 m pump efficiency 78 Pump shaft power 12 5 kW Electrical motor rating including margin 12 ...

Page 18: ...sulation material in order to avoid vibration transmission to the ground CAUTION Risk of material damage Do not hold the pump by the motor module when tightening the screwed connections Apply the wrench surfaces to the suction pressure port inserted It is insufficient to check level on the machined pads of base plate with a spirit level because it is possible that some types of errors will not be ...

Page 19: ... zero Rotate the coupling by 180 and record the readings on each gauge The readings should be identical though not necessarily zero Either positive or negative readings are acceptable provided they are equally positive or negative Adjust the position of one of the units if necessary Rotate the coupling unit The gauges are to be in the line horizontally and adjust the dial to zero Repeat the operat...

Page 20: ...wear or leakages Packing should be handled with care and it should not be allowed to pick up the dust or abrasive matter by coming into contact with floors or dirty benches It is bad practice to hammer packing to facilitate the insertion Pumps are dispatched from our works with the stuffing boxes unpacked otherwise packing will be aged The packing is packed with greaseproof paper and dispatched wi...

Page 21: ...usted in the operating limits of the pump given in the technical data The electrical motors can bedrivenbya frequency converter in order to adapt the pump performances the duty point required Please contact WILO before connecting the frequency converter to the motor to make sure that the electrical motor is compatible with this driver Inany case please informWILOatthe quotation stage ifthe pump se...

Page 22: ...th a non return foot valve the pump casing and inlet pipe work can be filled with liquid from an external source under pressure The pressure imposed on the pump by this method must not exceed that for which the pump is designed In certain cases priming can be achieved by flooding back from the delivery side of the pump By extracting air or gas from the pump casing To enable this method to be used ...

Page 23: ...very valve Check that the driving unit is not being overloaded during valve opening Overloading may occur if the pump is discharging into an empty system If the pumping unit fails to generate at least its rated delivery pressure it must be stopped immediately the cause ascertained Check vibration of pump set and ensure that vibration level is within limits specified Check that noise level is withi...

Page 24: ...echanical seal check that there is no visible leakage For any abnormality observed from the visual manual inspection and through maintenance inspection logs stop the pump and investigate Fault finding Many of the common faults which occur on centrifugal pumps and which can be diagnosed by observations are given in the chart under section 10 Faults causes and remedies Routine maintenance Parts Acti...

Page 25: ... if the wear rings and the impeller are made with in the same materials of low galling tendencies For materials with higher galling tendencies AISI 304 316 etc higher clearance is provided 0 125 mm to be added to given values Information regarding original design dimensions and clearances is furnished in data sheet Any other information if needed can be requested from Service Department WILO SE Su...

Page 26: ...Drive End 7 Shaft sleeve 26 Hex plug 8 O ring 27 Air cock 9 Spacer Sleeve 28 Hex screw for jacking 10 Sleeve nut 29 Studs for split flange 11 Stuffing box bush 30 Coupling key 12 Glandpacking 31 Gasket 13 Logging ring 32 Water thrower 14 Gland 33 Steady pin 15 Stud for gland 34 Stud coupling 16 Bearingend cover Drive End 35 Sealingconnection Flushing Pipe 17 Bearing Drive End 36 Hex screw for bear...

Page 27: ...aft sleeve 26 Hex plug 8 O ring 27 Air cock 9 Spacer Sleeve 28 Hex screw for jacking 10 Sleeve nut 29 Studs for split flange 11 Stuffing box bush 30 Coupling key 12 Mechanical seal 31 Gasket 13 Grab screw 32 Water thrower 14 Glandplate 33 Steady pin 15 Stud for gland 34 Stud coupling 16 Bearingend cover Drive End 35 Sealingconnection Flushing Pipe 17 Bearing Drive End 36 Hex screw for bearing hous...

Page 28: ...echanical seal The procedure up to water thrower removal is same as per gland pack version Disassembly of mechanical seal isas follows Slide out the gland plate carefully over the shaft Now mark the position of mechanical seal 12 on the shaft 4 to ease the position while reassembling Unscrew the grub screw of the seal adjusting ring Pull the mechanical seal carefully over the shaft followed by rem...

Page 29: ...g of the O ring 8 Screw the sleeve nut 10 but don t tight it now keep it loose Now slide in the stuffing box bush 11 over the shaft on both sides Place the logging ring 13 next to the stuffing box bush 11 Side in the gland 14 followed by water thrower 32 n both side Now slide the bearing inner cover 16 20 on either side of the shaft 4 Now place the thrust collar 19 followed by thrust end bearing 2...

Page 30: ... 2 Stationary seat 3 Stationary seat 4 Gland plate 5 O ring 6 Shaft X Mechanical seal 1 6 Abutment ring 1 7 Abutment ring fixing screw 9 5 4 Re assembly of the pump Mechanical seal version pump For assembling mechanical seal version pump follow the same procedure as done for gland pack version pump Difference in assembly of mechanical seal pump is as follows Re assembly of mechanical seal is as fo...

Page 31: ...with solution 8 Air leaks into pump through stuffing boxes Ensure stuffing box sealing 9 Foot valvetoo smallor leaking Replace I Attend 10 Foot valvepartiallyclogged Clean 11 Inlet of suction pipe insufficiently submerged Ensure adequate submergence such that footvalve is not exposed 12 Water seal pipe clogged Clean or change 13 Logging ring is improperly located instuffing Position logging ring c...

Page 32: ... Excessive thrust caused by mechanical failure Check pump operation and assembly inside pump or by failure of hydraulic balancing device if any incase of multistage pump etc 42 Excessive grease or oil in antifriction bearing Attend housing or lack of cooling causing excessive bearing temperature 43 Lack of lubrication Provideproper lubrication 44 Improper installation of antifriction bearings Rect...

Page 33: ...Annexure 1 A Cross sectional Drawing of SCP HA for ref only B Cross sectional Drawing of SCP HB for ref only Installation and operating instructions WILO Split Case Pumps 31 ...

Page 34: ...C Cross sectional Drawing of SCP DV for ref only D Cross sectional Drawing of SCP DS for ref only Installation and operating instructions WILO Split Case Pumps 32 ...

Page 35: ...E Cross sectional Drawing of SCP HS for ref only Installation and operating instructions WILO Split Case Pumps 33 ...

Page 36: ...ing liquid for bearings as specified 10 Free rotation of pump and drive shafts 11 Lubrication of bearings 12 Checking of insulation resistance of motor if supplied by WILO M P 13 Proper cable termination Clients Scope 14 Motor Protection Relay Setting Check with Clients 15 Check all interlocks as specified provided 16 No load trial operation of drive Direction of rotation is ok Noise and vibration...

Page 37: ...arged 14 Battery cables and lead are available 15 Exhaust silencer and all required exhaust piping is completed 16 Fuel tank is supplied Supply return fuel lines connected to engine 17 Engine coupled with water pump and all discharge piping is completed 18 Lube oil coolant and fuel is available at site 19 Lubrication of bearings 20 Checking of insulation resistance of motor if supplied by WILO M P...

Page 38: ...e Size Liquid Delivery Pipe Size pH Value Valves Suction Flooded Lift Expansion Joints Pump Operating Parameters Motor Operating Parameters Suction Pressure Current Discharge Pressure Voltage RPM RPM DE Bearing Temperature DE Bearing Temperature NDE Bearing Temperature NDE Bearing Temperature Duration of Trial Run Winding Temperature Max Observations and Remarks Customer Representative WILO M P Re...

Page 39: ...iquid Delivery Pipe Size pH Value Valves Suction Flooded Lift Expansion Joints Pump Operating Parameters Engine Operating Parameters Suction Pressure RPM Discharge Pressure Oil Pressure RPM Water Temperature DE Bearing Temperature Lubricating Oil Temperature NDE Bearing Temperature Gear Box Temperature Duration of Trial Run Observations and Remarks Auto Mode Manual Mode Customer Representative WIL...

Page 40: ...Pump set Levelling Record Required accuracy of pump set levelling is 0 05 mm Result Customer Representative WILO M P Representative Installation and operating instructions WILO Split Case Pumps 38 ...

Page 41: ...ion and Delivery Piping Gap Between Coupling Halves mm Actual Gap mm B After Connecting Suction and Delivery Piping Gap Between Coupling Halves mm Actual Gap mm Customer Representative WILO M P Representative Installation and operating instructions WILO Split Case Pumps 39 ...

Page 42: ...ent at Pump House Floor Noise Level in dBA A B C D Background Noise dBA Instrument Details Distance 1 Mtr from the Pump Make Model Sr No Customer Representative WILO M P Representative Installation and operating instructions WILO Split Case Pumps 40 ...

Page 43: ...rement Pk to Pk Sr No Position V H A Displacement Velocity mm sec Displacement Velocity mm sec Displacement Velocity mm sec 1 Pump DE 2 Pump NDE 3 Motor DE 4 Motor NDE Instrument Details Make Model Sr No Customer Representative WILO M P Representative Installation and operating instructions WILO Split Case Pumps 41 ...

Page 44: ...ump Type Make Project Bearing Temperature Sr No Position Temperature Ambient Temperature Remarks 1 Pump DE 2 Pump NDE 3 Motor DE 4 Motor NDE Instrument Details Make Model Sr No Customer Representative WILO M P Representative Installation and operating instructions WILO Split Case Pumps 42 ...

Page 45: ...NOTES ...

Page 46: ...______________________________________________________ WILO Mather and Platt Pumps Private Ltd Mumbai Pune Road Chinchwad Pune 411 019 Maharashtra India Tel 91 20 27442100 1 2 3 4 Toll Fee Service 1 800 266 8866 Fax 91 2027442111 service in wilo com www wilo in ...

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