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7.5.3 Installing the shaft seal

7.5.3.1 Installing the mechanical seal
Always observe the following rules when installing the mechanical seal:

▪

Work cleanly and accurately.

▪

Only remove the protective wrapping of the contact faces immediately before
assembly takes place.

▪

Prevent any damage to the sealing surfaces or O-rings.

✓

The notes and steps stated in (

⇨

Section 7.5.1 Page 45) to (

⇨

Section 7.5.2 Page

46) have been observed/carried out.

✓

The assembled bearing as well as the individual parts are kept in a clean and
level assembly area.

✓

All disassembled parts have been cleaned and checked for wear.

✓

Any damaged or worn parts have been replaced by original spare parts.

✓

The sealing surfaces have been cleaned.

1. Clean shaft sleeve 523, and touch up any score marks or scratches with a

polishing cloth.
If the socre marks or scratches are still visible, replace shaft sleeve 523.

2. Push shaft sleeve 523 with new gasket 400.3 onto shaft 210.
3. Clean the seat ring in discharge cover 163.2 or seat ring holder 476.

CAUTION

Elastomers in contact with oil/grease

Shaft seal failure!

▷

Use water as assembly lubricant.

▷

Never use oil or grease as assembly lubricant.

4. Carefully fit seat ring/seat ring holder 476.

Press seat ring in evenly.

5. Place discharge cover 163.2 into the locating fit of bearing bracket 330.
6. Fit and tighten nuts 920.4, if any.

NOTE

To reduce friction forces when assembling the seal, wet the shaft sleeve and the seat

ring location with water.

7. Mount the rotating part of the mechanical seal (spring-loaded ring) on shaft

sleeve 523.

Observe the following installation dimension b for mechanical seals with installation
dimension L

to EN 12756 (design KU):

Fig. 17: Installation dimension b of mechanical seal

Impeller

Shaft sleeve

Mechanical seal

Discharge cover

Installing the mechanical

seal

7 Servicing/Maintenance

Etanorm

47 of 66

Содержание Etanorm

Страница 1: ...Standardised Pump Etanorm Installation Operating Manual Order number...

Страница 2: ...ights reserved Contents provided herein must neither be distributed copied reproduced processed for any other purpose nor otherwise transmitted to a third party without KSB s express written consent S...

Страница 3: ...nformation for maintenance inspection and installation work 10 2 9 Unauthorised modes of operation 10 2 10 Explosion protection 10 3 Transport Temporary Storage Disposal 13 3 1 Transport 13 3 2 Storag...

Страница 4: ...torage preservation 36 6 4 Returning to service after storage 36 7 Servicing Maintenance 37 7 1 Safety regulations 37 7 2 Servicing inspection 37 7 3 Drainage disposal 42 7 4 Dismantling the pump set...

Страница 5: ...arising from components in contact with the fluid handled Discharge line The line which is connected to the discharge nozzle Hydraulic system The part of the pump in which the kinetic energy is conve...

Страница 6: ...technical personnel Section 2 4 Page 9 1 4 Other applicable documents Table 1 Overview of other applicable documents Document Contents Data sheet Description of the technical data of the pump set Gen...

Страница 7: ...Symbol Description 1 2 Step by step instructions Note Recommendations and important information on how to handle the product 1 General Etanorm 7 of 66...

Страница 8: ...ge In conjunction with the signal word CAUTION this symbol indicates a hazard for the machine and its functions 2 2 General This manual contains general installation operating and maintenance instruct...

Страница 9: ...perate maintain and inspect the machinery this manual refers to The responsibilities competence and supervision of all personnel involved in installation operation maintenance and inspection must be c...

Страница 10: ...facturer for consequential damage The operator ensures that all maintenance inspection and installation work is performed by authorised qualified specialist personnel who are thoroughly familiar with...

Страница 11: ...he fluid handled If the pump is heated the operator of the system is responsible for observing the specified temperature classes and fluid temperature operating temperature The table below lists the t...

Страница 12: ...ntact KSB for further information on monitoring equipment 2 10 4 Operating limits The minimum flows indicated in Section 6 2 3 Page 35 refer to water and water like fluids Longer operating periods wit...

Страница 13: ...tightening lifting tongs To transport the pump pump set suspend it from the lifting tackle as shown below Fig 1 Transporting the pump max 90 Fig 2 Transporting the complete pump set max 90 Fig 3 Trans...

Страница 14: ...pheric humidity or which might ignite when coming into contact with oxygen the pump set must also be neutralised and anhydrous inert gas must be blown through the pump for drying purposes 4 Always com...

Страница 15: ...plate ETANORM G 40 160 G10 9971234567 000100 01 Q 40 m3 h l H 50 m 1 mm2 s n 2900 1 min l 2007 Aktiengesellschaft D 67227 Frankenthal Id No 00 117 385 ZN 3804 C 37 x 52 1 2 5 4 3 9 8 7 6 Fig 4 Name p...

Страница 16: ...d with replaceable shaft sleeve shaft protecting sleeve in the shaft seal area Standardised mechanical seal to EN 12756 Gland packing DANGER Excessive temperatures in the shaft seal area Risk of explo...

Страница 17: ...with the pump casing and or casing cover The pump is sealed by a shaft seal Standardised mechanical seal or packed gland 4 6 Noise characteristics Table 6 Sound pressure level measured at surfaces Lp...

Страница 18: ...If any coupling parts are made of aluminium a brass coupling guard must be used Channel section steel or folded steel plate optional Cast baseplate to ISO 3661 As required 4 8 Dimensions and weights F...

Страница 19: ...oncrete has set firmly Only place the pump set on a horizontal and level surface Refer to the weights given in the general arrangement drawing 1 Check the structural requirements All structural work r...

Страница 20: ...the foundation bolts 4 evenly and firmly NOTE For baseplates more than 400 mm wide it is recommended to grout the baseplate with low shrinkage concrete NOTE For baseplates made of grey cast iron it i...

Страница 21: ...such elements must not obstruct proper drainage or hinder disassembly of the pump The suction lift line suction head line has been laid with a rising downward slope towards the pump The nominal diamet...

Страница 22: ...Fig 9 Forces and moments at the pump nozzles The following condition must be met IFVI IFHI and IMtI are the sums of the absolute values of the respective loads acting on the nozzles Neither the load d...

Страница 23: ...5 2 8 1 2 5 43 4 05 1 91 6 19 4 62 2 18 2 88 2 15 1 01 80 200 4 0 2 9 1 45 6 08 4 74 2 44 6 94 5 41 2 77 3 22 2 51 1 29 80 250 4 0 2 9 1 45 6 16 4 78 2 44 7 03 5 45 2 77 3 26 2 53 1 29 80 315 4 0 2 9...

Страница 24: ...to the general arrangement drawing the piping layout and pump markings if any for the dimensions and locations of auxiliary connections Use the auxiliary connections provided 5 5 Protective equipment...

Страница 25: ...ling guard and step guard if any have been removed 1 Loosen the support foot and re tighten it without transmitting any stresses and strains 2 Place the straight edge axially on both coupling halves 3...

Страница 26: ...ck that the coupling and shaft can easily be rotated by hand WARNING Unprotected rotating coupling Risk of injury by rotating shafts Always operate the pump set with a coupling guard If the customer s...

Страница 27: ...coupling guard DANGER Risk of ignition by frictional sparks Explosion hazard Choose a coupling guard material that is non sparking in the event of mechanical contact see DIN EN 13463 1 6 Re install th...

Страница 28: ...le Time relay settings for star delta starting Table 8 Time relay settings for star delta starting Motor rating Y time to be set 30 kW 3 s 30 kW 5 s 5 8 2 Earthing DANGER Electrostatic charging Explos...

Страница 29: ...age Separate the pump from the motor to check the direction of rotation CAUTION Motor and pump running in the wrong direction of rotation Damage to the pump Refer to the arrow indicating the direction...

Страница 30: ...ase lubricated bearings Grease lubricated bearings have been packed with grease at the factory Oil lubricated bearings Fill the bearing bracket with lubricating oil Oil quality see Section 7 2 3 1 2 P...

Страница 31: ...oil 6 1 3 Filling and venting the pump DANGER An explosive atmosphere forms inside the pump Explosion hazard Before starting up the pump vent the suction line and the pump and prime with the fluid to...

Страница 32: ...erate the pump set without liquid fill Prime the pump as specified Section 6 1 3 Page 31 Always operate the pump within the permissible operating range CAUTION Abnormal noises vibrations temperatures...

Страница 33: ...is mounted centred and at a right angle to the shaft The gland must leak after the pump has been primed The leakage can be reduced 1 Tighten the nuts of the gland follower by 1 6 turn 2 Monitor the l...

Страница 34: ...t or toxic fluid may escape Comply with the operating data indicated in the data sheet Avoid prolonged operation against a closed shut off element Never operate the pump at temperatures exceeding thos...

Страница 35: ...ure range t Minimum flow rate Maximum flow rate 30 to 70 15 of QOpt 4 See hydraulic characteristic curves 70 to 140 C 25 of QOpt 4 The calculation formula below can be used to check if an additional h...

Страница 36: ...rge nozzles It is advisable to then close the pump nozzles e g with plastic caps or similar 3 Oil or grease all blank parts and surfaces of the pump with silicone free oil and grease food approved if...

Страница 37: ...the fluid take appropriate measures to protect persons and the environment Decontaminate pumps handling fluids posing a health hazard A regular maintenance schedule will help avoid expensive repairs...

Страница 38: ...section on Operating limits Section 6 2 Page 34 While the pump is in operation observe and check the following The pump must run quietly and free from vibrations at all times In case of oil lubricati...

Страница 39: ...gaps remove the impeller if required Section 7 4 5 Page 44 If the clearance gap is larger than permitted see the following table replace casing wear ring 502 1and or 502 2 with a new one The clearance...

Страница 40: ...0 C 46 4 mm s Flash point to Cleveland 175 C Solidification point pour point 15 C Application temperature7 Higher than permissible bearing temperature 7 2 3 1 3 Oil quantity Table 17 Oil quantity for...

Страница 41: ...earings will run for 15 000 operating hours or 2 years Under unfavourable operating conditions e g high room temperature high atmospheric humidity dustladen air aggressive industrial atmosphere etc ch...

Страница 42: ...Observe all legal regulations on the disposal of fluids posing a health hazard 1 For draining the fluid handled use connection 6B see drawing of auxiliary connections 2 If noxious explosive hot or oth...

Страница 43: ...s is the case use a brand name penetrating agent and or if possible an appropriate pull off device 7 4 2 Preparing the pump set 1 Disconnect the power supply e g at the motor 2 Disconnect and remove a...

Страница 44: ...The notes and steps stated in Section 7 4 1 Page 42 to Section 7 4 5 Page 44 have been observed carried out The back pull out unit is kept in a clean and level assembly area 1 Remove the rotating par...

Страница 45: ...ial sealing rings 411 5 Remove bearing cover 360 1 6 Remove circlips 932 7 Press shaft 210 out of the bearing seats 8 Place radial ball bearing 321 on a clean and level surface 7 5 Reassembling the pu...

Страница 46: ...6 Insert keys 940 3 7 Fit the coupling half on the motor end shaft stub 8 Secure the coupling hub with a grub screw Grease lubrication 1 2 3 4 Fig 16 Fitting the radial ball bearing 1 Bearing bracket...

Страница 47: ...re still visible replace shaft sleeve 523 2 Push shaft sleeve 523 with new gasket 400 3 onto shaft 210 3 Clean the seat ring in discharge cover 163 2 or seat ring holder 476 CAUTION Elastomers in cont...

Страница 48: ...parts The sealing surfaces have been cleaned Packing ring cut to size 1 Clean the packing chamber 2 Insert packing ring 461 into the packing chamber of discharge cover 161 1 3 Use stuffing box ring 45...

Страница 49: ...clean and level assembly area All disassembled parts have been cleaned and checked for wear Any damaged or worn parts have been replaced by original spare parts The sealing surfaces have been cleaned...

Страница 50: ...ure 7 6 Tightening torques 7 6 1 Tightening torques for the pump A A C D B X X X B D C C a b Fig 21 Bolts to be tightened Variant with bolted on discharge cover a and oil lubrication a and variant wit...

Страница 51: ...s for the pump set Position Thread size Rated torque Nm Description 1 M12 M16 M20 30 75 75 Pump on baseplate 2 M12 30 3 M24 x 1 5 M36 x 1 5 140 140 Levelling screws in baseplate 4 M6 M8 M10 M12 M16 M2...

Страница 52: ...Page 57 7 7 2 Recommended spare parts stock for 2 years operation to DIN 24296 Table 23 Quantity of spare parts for recommended spare parts stock Part No Description Number of pumps including stand b...

Страница 53: ...2 3 1 1 40 200 25 4 15 1 1 1 1 3 1 1 40 250 25 6 17 1 1 1 1 2 4 1 1 40 315 35 2 2 2 2 2 13 2 2 50 125 25 1 12 1 1 1 1 3 3 1 1 50 160 25 1 12 1 1 1 1 3 3 1 1 50 200 25 4 15 1 1 1 1 3 3 1 1 50 250 25 6...

Страница 54: ...Table 25 Key to the symbols Symbol Description Component interchangeable with Etabloc Components differ X Component not fitted 7 Servicing Maintenance 54 of 66 Etanorm...

Страница 55: ...pressure fall X Air intake at the shaft seal Clean flushing liquid duct supply external flushing liquid if necessary or increase flushing liquid pressure Replace the shaft seal X Wrong direction of r...

Страница 56: ...pipelines using anti vibration material X Increased axial thrust16 Clean balancing holes in the impeller Fit new wear rings X Insufficient or excessive quantity of lubricant or unsuitable lubricant T...

Страница 57: ...over Table 27 List of components Part No Description Part No Description Part No Description 102 Volute casing 412 O ring17 920 1 3 4 Nut 163 2 Discharge cover 433 Mechanical seal 930 3 Safety device...

Страница 58: ...on head bolt 6B Fluid drain 400 1 3 Gasket 902 1 2 Stud 6D Filler opening for the fluid 411 Joint ring 903 1 Screwed plug20 8B Leakage drain 20 Bei Etanorm C S zus tzlich Dichtring 411 5 in Zeichnung...

Страница 59: ...lder24 940 2 Key21 183 Support foot 502 1 2 Casing wear ring 940 3 Key 210 Shaft 523 Shaft sleeve 230 Impeller 550 Disc22 1M Connection for pressure gauge 321 Radial ball bearing 81 92 Cover plate 6B...

Страница 60: ...plug25 163 1 Discharge cover 454 Stuffing box ring 920 1 4 Nut 183 Support foot 458 Lantern ring 930 3 Safety device 210 Shaft 461 Gland packing 932 Circlip 230 Impeller 502 1 2 Casing wear ring 940 1...

Страница 61: ...ischarge cover 454 Stuffing box ring 920 1 2 5 Nut 183 Support foot 458 Lantern ring 930 3 Safety device 210 Shaft 461 Gland packing 932 1 3 Circlip 230 Impeller 502 1 2 Casing wear ring 940 1 3 Key 3...

Страница 62: ...ler 940 2 Key 29 321 Radial ball bearing 672 Venting 940 3 Key31 330 Bearing bracket 81 92 Cover plate 940 3 Key 360 2 Bearing cover 901 1 3 Hexagon head bolt 400 2 Gasket 903 3 Screwed plug 8B Leakag...

Страница 63: ...rder number is in conformity with the provisions of the following directives as applicable in their current version EC Machinery Directive 2006 42 EC The manufacturer also declares that the following...

Страница 64: ...d outside prior to dispatch placing at your disposal On sealless pumps the rotor has been removed from the pump for cleaning No special safety precautions are required for further handling The followi...

Страница 65: ...ended use 8 Interchangeability of pump components 53 M Maintenance repair 37 Mechanical seal 33 Misuse 9 Monitoring equipment 12 N Name plate 15 Noise characteristics 17 O Oil lubrication Intervals 40...

Страница 66: ...KSB Aktiengesellschaft 67225 Frankenthal Johann Klein Str 9 67227 Frankenthal Germany Tel 49 6233 86 0 Fax 49 6233 86 3401 www ksb com 1211 8 16 10...

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