Multitech 1777.8/7-10 G3 Скачать руководство пользователя страница 30

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Multitec

9.1

List of components

This list includes all components mentioned in this document

Part No.

Description

106.1/2

Suction casing

107

Discharge casing

108.1

Stage casing

160.1/2

Cover

171.1

Diffuser

181

Pump stool

182

Foot

210

Shaft

230.1/3

Impeller

231

Suction stage impeller

320.1/2

Rolling element

bearing

341

Drive lantern

342

Thrust bearing lantern

350.1

Bearing housing

360.1/2

Bearing cover

361.1/2

Non-drive end bearing

cover

381

Bearing cartridge

400.1

Gasket

411.1/2/3/4/5/6/7/8/13

Joint ring

412. 1/2/3/4/5/10/11/12

O-ring

421.1/2/3

Lip seal

423.1/2

Labyrinth ring

433.1/7/10

Mech. seal

441.1/4

Shaft seal housing

452

Gland cover

461

Gland packing

471.1/2

Seal cover

500.1

Ring

502.1/2

Casing wear ring

520.1/2/3/4

Sleeve

523.1

Shaft sleeve

524

Shaft protecting sleeve

525.1/2/4

Spacer sleeve

Part No.

Description

529

Bearing sleeve SiC

540.1/3

Bush

550. 1/2/3/4/6/8/9/10/11

Disc

551.1/2

Spacer disc

561.1

Grooved pin

565

Rivet

59-4

Balance drum

59-7

Support

636

Lubricating nipple

638

Constant level oiler

681.2

Coupling guard

683.1

Hood

710.1/2

Pipe

723.1

Flange

731. 1/2/3/4/16/17/18

Pipe union

800

Motor

831.1

Fan impeller

861.1/2/3/4

Coupling half

87-5

Axle

89-8

Foundation rail

900.2

Screw

901.1/2/3/4/5/6/7/8/9/10/11/12

Hex. head bolt

902.1/2

Stud

903.1/2/3/4/5/9/10/11/14

Screwed plug

905

Tie bolt

914.1

Hex. socket head cap

screw

920.1/2/3/4/5/6/7/9/10/11

Nut

931

Lockwasher

932.1/2

Circlip

940.1/2/3/4/5

Key

950.2/3

Spring

971.1

Plate

1) recommended spare parts (see 7.3.7 on page 20)

Содержание 1777.8/7-10 G3

Страница 1: ...ating instructions contain fundamental information and precautionary notes Please read the manual thoroughly prior to installation of unit connection to the power supply and commissioning It is imperative to comply with all other operating instructions referring to components of this unit This manual shall always be kept close to the unit s location of operation or directly on the pump set ...

Страница 2: ...tion to power supply 12 6 1 5 Start up 12 6 1 6 Shutdown 12 6 1 7 Final check 12 6 2 Operating limits 12 6 2 1 Temperature of fluid pumped 12 6 2 2 Switching frequency 13 6 2 3 Minimum flows 13 6 2 4 Density of fluid pumped 13 6 3 Shutdown storage preservation 13 Page 6 3 1 The unit pump remains installed periodic check of operation 13 6 3 2 The pump is removed from the pipe and stored 13 6 4 Retu...

Страница 3: ...anufacture of spare parts by customer 2 7 5 Non compliance with safety instructions 2 3 4 Operating limits 6 2 12 Personnel qualification and training 2 2 4 Preparations for dismantling 7 3 2 15 Priming the pump and checks to be carried out 6 1 2 11 Re adjusting the clearance gaps 7 5 25 Reassembly 7 4 20 Section Page Reassembly of hydraulic system 7 4 2 21 Recommended spare parts stock for 2 year...

Страница 4: ...1 93 or country specific guidelines 2 1 Marking of instructions in the manual The safety instructions contained in this manual whose non observance might cause hazards to persons are specially marked with the general hazard sign namely safety sign as per ISO 7000 0434 The electrical danger warning sign is safety sign as per IEC 417 5036 The word is used to introduce safety instructions whose non o...

Страница 5: ...ansport storage 3 1 Transport Handling Transport of the unit requires proper preparation and handling Never use the motor eyebolt for lifting the unit If the pump unit slips out of the suspension arrangement it may cause personal injury and damage to property Do not use lifting gear which may damage the pump e g no chains Fig 1 Transport of pump only Fig 2 Transport of pump unit For transporting t...

Страница 6: ...ssure centrifugal pump in long coupled baseplate mounted or close coupled design horizontal or vertical version axial or radial suction nozzle Radial suction and discharge nozzles can be turned by 90 Bearings Radial bearings are silicon carbide plain bearings not on versions C and D self aligning Plain bearings lubricated by fluid handled Fixed bearings are rolling element bearings grease or oil l...

Страница 7: ...equivalent standards Make sure that the concrete foundation has set firmly before placing the unit on it Its surface shall be truly horizontal and even 5 3 Installing the pump unit Before placing the baseplate on the foundation make sure that the concrete foundation is clean and smooth The complete pump unit must be aligned horizontally with the help of a precision spirit level It is imperative th...

Страница 8: ...rques Tightening torque MTC Thread Strength Drive end Non drive end 32 M 12 4 6 30 Nm 15 Nm 50 M 12 4 6 30 Nm 15 Nm 65 M 16 4 6 60 Nm 30 Nm 100 M 20 4 6 120 Nm 60 Nm 125 M 20 4 6 120 Nm 60 Nm 150 M 30 4 6 450 Nm 200 Nm This will avoid that any increase in pump length due to thermal expansion will lead to warping and deformation The increase in height of pump and drive due to thermal expansion may ...

Страница 9: ...mp axis Direction of moments X around the horizontal axis parallel to the pump axis MY around the vertical nozzle axis X around the horizontal axis at a right angle to the pump axis Suction and discharge nozzle are regarded separately Max permissible pipeline forces material codes 10 11 12 13 Nom nozzle diameter DN 32 50 65 80 100 125 150 200 250 Vertical nozzle at a right angle to the shaft N Fx ...

Страница 10: ...otor check whether thewires are firmly connected at the terminals and re tighten any loose wires n configuration low voltage Fig 12 Connection diagram for three phase motors n configuration Y configuration high voltage Fig 13 Connection diagram for three phase motors Y configuration 5 5 2 Setting the time relay Make sure that in the case of three phase motors with star delta starting method switch...

Страница 11: ...ver see section 7 2 2 6 1 2 Priming the pump and checks to be carried out Before each start up the pump and the suction line must be completely vented and primed with the fluid to be pumped The pump has several plugged holes for venting adequate venting devices can be used in the pipelines The shut off valve in the suction or feed line must be fully open Fully open all auxiliary connections provid...

Страница 12: ...p regularly for at least 5 minutes see also 6 3 fire fighting pumps at least once a month drinking water pumps at least once in 48 hours stand by pumps at least once a week It is better to operate the pumps by alternating daily During these periodic check runs also check the integrity and proper functioning of the auxiliary feed lines 6 1 7 Final check After the pump has been primed it must be eas...

Страница 13: ...umps in material variants 10 13 20 and 21 cast iron variants particularly if the pumps are handling aggressive water qualities high oxygen content In such cases the pump should remain filled and the operation check run should be performed at least every other day instead of once a month or once every 3 months see also 6 1 5 In the event of frost and or prolonged shutdowns the pump must be drained ...

Страница 14: ... 7 2 2 Bearings and lubrication On grease lubricated units the rolling element bearings of the MTC32 and the non drive end rolling element bearings of the MTC50 and MTC65 in design C and D are lubricated for life and do not require re lubrication For this reason no lubricating nip ples are provided on the bearing brackets Pump Depending on the pump version the rolling element bearings are either g...

Страница 15: ...drops approx 7 l H 7 2 4 Coupling If the flexible coupling elements begin to show signs of wear they must be replaced in due time and pump motor alignment must be checked 7 3 Dismantling If you need additional information or instructions please contact KSB s customer service 7 3 1 General instructions Drainage Cleaning If the pump was used for handling liquids posing health hazards see to it that ...

Страница 16: ... its two O rings 412 2 N B Anti rotation pin 561 1 remains in position Radial suction nozzle Fig 18 Undo bolts 901 3 and remove cover 160 1 with O ring 412 3 and bearing cartridge 381 with O rings 412 2 Remove circlip 932 1 shaft in C45 or bolt 901 2 and disc 550 7 shaft in 1 4021 1 4462 Pull out bearing sleeve 529 Remove disc 550 6 N B Anti rotation pin 561 1 remains in position Fig 19 Rolling el...

Страница 17: ...t together with washer 550 10 and O ring 412 12 Remove bearing cover 360 2 The rotating unit is adjusted axially by means of spacers 551 1 When reassembling the pump after partial dismantling bearing or seal replacement the same spacer discs 551 1 must be mounted on the bearing side to reproduce the original rotor adjustment When dismantling keywayed nut 920 6 all relevant positions such as sequen...

Страница 18: ...be used for leverage Remove balance drum 59 4 disc 550 3 and sleeve 524 with a puller engaged in the threaded holes on the drum This is not possible on pumps without balance drum Fig 30 Pump design without balance drum Fig 31 7 3 5 Dismantling the mechanical seal 7 3 5 1 Dismantling the mechanical seal Remove the bearing as described in sections 7 3 3 1 and 7 3 3 2 On grease lubricated pumps pull ...

Страница 19: ... secure fan shaft 87 5 and fan impeller 831 1 with Loctite 222 Remove support 59 7 Remove the bearing as described in section 7 3 3 1 as well as spacer sleeve 525 1 and bearing housing 350 1 Remove the mechanical seal as described above Fig 34 7 3 5 3 Removing a water cooled mechanical seal seal code 64 Fig 35 Note This mechanical seal design is used for temperatures from 140 to 200 C and sizes 12...

Страница 20: ...1 2 2 1 1 2 1 2 1 1 2 2 2 8 8 8 2 2 2 2 2 1 2 1 2 2 2 2 2 2 8 8 8 3 2 3 3 2 2 3 2 2 2 2 3 3 3 9 9 9 3 3 3 3 3 2 3 2 3 3 3 4 4 4 12 12 12 4 4 4 4 4 3 4 3 30 30 30 50 50 50 150 150 150 50 50 50 50 50 30 50 30 For shaft seal codes 61 62 63 and 64 with mechanical seal 433 523 Mechanical seal compl 3 Shaft sleeve set 2 2 3 2 4 2 5 3 6 3 7 4 90 50 For oil lubrication 421 4 Lip seal 4 8 8 8 9 12 150 423 ...

Страница 21: ... 4 2 3 Fig 37 7 4 3 Seals Gland packing Before re packing thoroughly clean the packing chamber and the gland cover Packing rings must be inserted so that the cut edge of each ring is displaced by approx 90 to 120 in relation to the previous one Slip the pre stressed packing rings onto the shaft protecting sleeve press home the first packing ring with the help of the gland cover Each packing ring m...

Страница 22: ...n of rotation must be observed for mechanical seals with uni directional springs Fig 39 Sealing elements Sealing elements made of EPDM must never come into contact with oil or grease Defective O rings which have sustained mechanical damage such as cuts cracks and deformation as well as changes in properties from deposits or embrittlement must be replaced Gaskets shall always be replaced by new one...

Страница 23: ... 1 80 1 80 1 MTC 32 M 25x1 5 40 M 25x1 5 40 M 25x1 5 40 M 25x1 5 40 100 80 1 80 1 80 1 MTC 50 M 30x1 5 40 M 25x1 5 40 M 30x1 5 40 M 30x1 5 40 120 100 1 80 1 100 MTC 65 M 35x1 5 50 M 30x1 5 40 M 35x1 5 50 M 35x1 5 50 150 M 42 1 5 150 1 M 42 1 5 150 1 150 1 MTC 100 M 42x1 5 2x 50 M 42x1 5 2x 50 M 42x1 5 50 M 42x1 5 50 2x 150 2x 150 150 M 52 1 5 200 1 M 52 1 5 200 1 200 1 MTC 125 M 52x1 5 2x 60 M 52x...

Страница 24: ...f the rotor is not required The correct axial position of the rotor is achieved by inserting spacer discs 551 1 to a total thickness of 1 6 mm 1 x 1 mm 3 x 0 2 mm in bearing housing 350 1 on the side of the bearing or angular contact ball bearings On the old versions the rotor is axially positioned by inserting spacer discs 551 1 on both sides of the bearing or angular contact ball bearings to a t...

Страница 25: ...s only 1 0 mm if the fluid is pumped from a vessel under vacuum conditions 2 5 mm for all other operating conditions Should wider clearances be found the parts subject to wear must be replaced Note Pump performance is adversely affected by excessive clearances Losses in efficiency and discharge head will occur 7 5 2 Repairs Clearance between impeller 231 and suction casing Sizes 32 to 65 for mater...

Страница 26: ...k barrier liquid pressure 2 3 Score marks or roughness on shaft protecting sleeve shaft sleeve Replace shaft protecting sleeve shaft sleeve Fit new shaft seal Vibrations during pump operation Improve suction conditions Re align the pump Re balance the impeller Increase pressure at the pump suction nozzle The unit is misaligned Re align Pump is warped or sympathetic vibrations in the piping Check p...

Страница 27: ...o pump size 50 Axial suction nozzle pump size 65 and above 1 for pump models with mechanical seal only 2 pump size 65 and above 3 pump size 100 and above 4 except pump size 32 5 pump sizes 32 and 50 only 6 hydraulics 9 2 10 2 11 1 and 12 1 only 7 for variant with balance drum only Multitec 27 9 General assembly drawing ...

Страница 28: ...Pump sizes 32 50 and 65 Vertical design Pump sizes 100 125 and 150 1 for pump models with mechanical seal only 2 pump size 65 and above 3 pump size 100 and above 4 except pump size 32 5 pump sizes 32 and 50 only 6 hydraulics 9 2 10 2 11 1 and 12 1 only 7 for variant with balance drum only ...

Страница 29: ...nly 2 pump size 65 and above 3 pump size 100 and above 4 except pump size 32 5 pump sizes 32 and 50 only 6 hydraulics 9 2 10 2 11 1 and 12 1 only 7 for variant with balance drum only Material codes 20 21 22 23 and 30 Return of balancing line MTC 150 2 pole Version C Version B ...

Страница 30: ...land packing1 471 1 2 Seal cover 500 1 Ring 502 1 2 Casing wear ring 1 520 1 2 3 4 Sleeve 1 523 1 Shaft sleeve 524 Shaft protecting sleeve 1 525 1 2 4 Spacer sleeve 1 Part No Description 529 Bearing sleeve SiC 1 540 1 3 Bush 1 550 1 2 3 4 6 8 9 10 11 Disc 1 551 1 2 Spacer disc 561 1 Grooved pin 565 Rivet 59 4 Balance drum 1 59 7 Support 636 Lubricating nipple 638 Constant level oiler 681 2 Couplin...

Страница 31: ...htung Baugrößen 32 bis 65 Ausführung E Ex F Fx V Vx Bei den Motoren für die Version Ex Fx und Vx handelt es sich um Sondermotoren mit verstärkter Lagerung die nicht durch Standard Motoren ersetzt werden können Les moteurs pour les versions Ex Fx et Vx sont des moteurs spéciaux à paliers renforcés qui ne peuvent pas être remplacés par des moteurs standard The motors of versions Ex Fx and Vx are spe...

Страница 32: ...0 01 06 2006 Subject to technical modification without prior notice KSB Aktiengesellschaft P O Box 1361 91253 Pegnitz Bahnhofplatz 1 91257 Pegnitz Germany Tel 49 9241 71 0 Fax 49 9241 71 1791 www ksb com Multitec ...

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