Alfa Laval LKH Evap Instruction Manual Download Page 19 | Manualshive

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5 Maintenance

Study the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.

: Relates to the shaft seal.

5.3 Dismantling of pump/shaft seals

S

Stteepp 11

1. Unscrew cap nuts (24) and remove washers (24a) and pump

casing (29).

3000-0078_2

S

Stteepp 22
Remove screw (23) and safety guard (22).

3000-0080

S

Stteepp 33
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Doouubbllee M

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Unscrew fittings (42) using a spanner.

3000-0160

S

Stteepp 44

1. Remove impeller screw (39).

2. Remove impeller (36/37). If necessary, loosen the impeller by

knocking gently on the impeller vanes.

3. Remove the O-ring (38) from the impeller.

Counterhold with a screwdriver!

3000-0081

If necessary!

19

CONTACT CSI FOR MORE INFORMATION | CSIDESIGNS.COM | [email protected] | 417.831.1411

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Summary of Contents for LKH Evap

Page 1: ...3000 0059 ESE01861 EN4 2016 10 Original manual Instruction Manual LKH Evap ...

Page 2: ...CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 3: ...g 15 5 Maintenance 16 5 1 General maintenance 16 5 2 Cleaning Procedure 18 5 3 Dismantling of pump shaft seals 19 5 4 Assembly of pump single shaft seal 21 5 5 Assembly of pump flushed shaft seal 24 5 6 Assembly of pump double mechanical shaft seal 27 5 7 Adjustment of shaft 30 6 Technical data 33 6 1 Technical data 33 6 2 Relubrication intervals 34 6 3 Torque Specifications 37 6 4 Weight kg 37 6 ...

Page 4: ...p 40 LKHevap 45 LKHevap 50 LKHevap 60 LKHevap 70 LKHevap 75 Type From serial number 10 000 to 1 000 000 is in conformity with the following directive with amendments Machinery Directive 2006 42 EC The person authorised to compile the technical file is the signer of this document Global Product Quality Manager Pump Valves Fittings and Tank Equipment Lars Kruse Andersen Title Name Kolding 2013 12 03...

Page 5: ...rtant information W WA AR RN NI IN NG G Indicates that special procedures must be followed to avoid serious personal injury C CA AU UT TI IO ON N Indicates that special procedures must be followed to avoid damage to the pump N NO OT TE E Indicates important information to simplify or clarify procedures 2 2 Warning signs General warning Dangerous electrical voltage Caustic agents CONTACT CSI FOR MO...

Page 6: ...d acid with great care N Ne ev ve er r use the pump for products not mentioned in Alfa Laval pump selection program Alfa Laval pump selection program can be acquired from your local Alfa Laval sales company M Ma aiin nt te en na an nc ce e A Allw wa ay ys s read the technical data thoroughly See chapter 6 Technical data N Ne ev ve er r service the pump when it is hot N Ne ev ve er r service the pu...

Page 7: ... he ec ck k t th he e d de elliiv ve er ry y f fo or r 1 Complete pump 2 Delivery note 3 Motor instructions S St te ep p 2 2 Remove any possible packing materials from the inlet and the outlet Avoid damaging the inlet and the outlet Avoid damaging the connections for flushing liquid if supplied 3000 0060 Remove packing materials Caution S St te ep p 3 3 Inspect the pump for visible transport damag...

Page 8: ...ons C CA AU UT TI IO ON N Alfa Laval cannot be held responsible for incorrect installation W WA AR RN NI IN NG G Alfa Laval recommend the installation of lockable repair breaker If the repair breaker is to be used as an emergency stop the colors of the repair breaker must be red and yellow C Ca au ut tiio on n The pump does not prevent back flow when intentionally or unintentionally stopped If bac...

Page 9: ... 2 Ensure that the connections are tight Remember seal rings 3000 0065 Few bends Correct S St te ep p 5 5 Avoid stressing the pump Pay special attention to Vibrations Thermal expansion of the tubes Excessive welding Overloading of the pipelines 3000 0066 N No ot te e In case of shaft seal leakage the media will drip from the slot in the bottom of the adaptor In case of shaft seal leakage Alfa Lava...

Page 10: ... ck k d diir re ec ct tiio on n o of f r ro ot ta at tiio on n N Ne ev ve er r start in the wrong direction of rotation with liquid in the pump 1 Start and stop the motor momentarily 2 Ensure that the direction of rotation of the motor fan is clockwise as viewed from the rear end of the motor Correct 3000 0071 View from rear end of motor CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDES...

Page 11: ...metal parts should be sent for material recycling Worn out or defective electronic parts should be sent to a licensed handler for material recycling Oil and all non metal wear parts must be taken care of in agreement with local regulations S Sc cr ra ap pp piin ng g At end of use the equipment shall be recycled according to relevant local regulations Beside the equipment itself any hazardous resid...

Page 12: ... operation control S St te ep p 2 2 N Ne ev ve er r touch the pump or the pipelines when pumping hot liquids or when sterilising D Da an ng ge er r o of f b bu ur rn ns s 3000 0072 S St te ep p 3 3 N Ne ev ve er r run the pump with both the suction side and the pressure side blocked D Da an ng ge er r o of f e ex xp pllo os siio on n 3000 0073 S Se ee e t th he e w wa ar rn niin ng g lla ab be ell...

Page 13: ...f ft t s se ea all 1 Connect the inlet of the flushing liquid correctly 2 Regulate the water supply correctly 3 Observe the steam data O Free outlet I Inlet 3000 0075_1 O I Tmax 100 C Pmax 1 bar flush seal Pmax 5 bar double mechanical seal S St te ep p 6 6 C Co on nt tr ro oll Reduce the capacity and the power consumption by means of Throttling the pressure side of the pump Reducing the impeller d...

Page 14: ...n of precipitates from the liquid Frequent cleaning Cavitation Damage Low inlet pressure Increase the inlet pressure Pressure reduction sometimes to zero High liquid temperature Reduce the liquid temperature Increasing of the noise level Reduce the pressure drop before the pump Reduce speed Leaking shaft seal Dry run Replace All wearing parts Incorrect rubber grade If necessary Change rubber grade...

Page 15: ...nt ts s Use clean water free from chlorides 1 1 by weight NaOH at 70 C 158 F 1 kg 2 2 lb 100 l 26 4 gal Cleaning agent NaOH water 2 2 l 0 6 gal 100 l 26 4 gal Cleaning agent 33 NaOH water 2 0 5 by weight HNO3 at 70 C 158 F 0 7 l 0 2 gal 100 l 26 4 gal Cleaning agent 53 HNO3 water 1 Avoid excessive concentration of the cleaning agent Dose gradually 2 Adjust the cleaning flow to the process Steriliz...

Page 16: ...b bu ur rn ns s 3000 0072 S St te ep p 3 3 N Ne ev ve er r service the pump with pump and pipelines under pressure C CA AU UT TI IO ON N Fit the electrical connections correctly if they have been removed from the motor during service See 3 3 Pre use check C CA AU UT TI IO ON N Pay special attention to the warnings 3000 0077 Atmospherie pressure required S St te ep p 4 4 R Re ec co om mm me en nd d...

Page 17: ...cord of the pump Use the statistics for planning of inspections R Re ep plla ac ce e a af ft te er r lle ea ak ka ag ge e Complete shaft seal Replace when replacing the shaft seal Yearly inspection is recommended Replace complete bearing if worn Ensure that the bearing is axially locked See motor instructions Lubrication B Be ef fo or re e f fiit tt tiin ng g Lubricate the O rings with silicone gr...

Page 18: ...meter sanitary bristle pipe brush in and out of the hole for two minutes while submerged 4 Soak Stub Shaft 7 in acid sanitizer for 5 minutes then scrub blind tapped hole as described in step 3 above 5 Rinse well with clean water and blow dry blind tapped hole with clean air 6 Swab test the inside of the tapped hole to determine cleanliness 7 Should the swab test fail repeat steps 2 thru 6 above un...

Page 19: ...ew 23 and safety guard 22 3000 0080 S St te ep p 3 3 F Fllu us sh he ed d D Do ou ub blle e M Me ec ch ha an niic ca all s sh ha af ft t s se ea all Unscrew fittings 42 using a spanner 3000 0160 S St te ep p 4 4 1 Remove impeller screw 39 2 Remove impeller 36 37 If necessary loosen the impeller by knocking gently on the impeller vanes 3 Remove the O ring 38 from the impeller Counterhold with a scr...

Page 20: ...S St te ep p 8 8 D Do ou ub blle e m me ec ch ha an niic ca all s sh ha af ft t s se ea all 1 Remove screws 41 and seal housing 40a 2 Remove rotating seal rings 14 and drive ring 52 from spring 13 3 Remove O rings 15 from rotating seal rings 14 4 LKH Evap 70 to 75 Remove cups 54 from rotating seal rings 3000 0085 S St te ep p 9 9 D Do ou ub blle e m me ec ch ha an niic ca all s sh ha af ft t s se ...

Page 21: ... 10 C CA AU UT TI IO ON N Ensure that the driver on the drive ring enters the notch in the rotating seal ring 3000 0089 S St te ep p 3 3 Fit the complete shaft seal on stub shaft 7 N NO OT TE E Make sure that connex pin 8 on the stub shaft enters the notch in drive ring 10 3000 0090 S St te ep p 4 4 1 Fit O ring 12 on stationary seal ring 11 and lubricate 2 Screw the stationary seal ring into back...

Page 22: ... ring 26 and slide it onto back plate 25 3000 0093 S St te ep p 7 7 1 Lubricate O ring 38 and fit it in impeller 37 2 Lubricate impeller hub with silicone grease or oil 3 Screw the impeller onto stub shaft 7 4 Fit impeller screw 39 and tighten Torque 10 60 20 Nm 7 4 lbf ft Torque 70 75 50 Nm 37 lbf ft 3000 0123 S St te ep p 8 8 Fit safety guards 22 and screw 23 and tighten If pump is not supplied ...

Page 23: ...s to the shaft seal S St te ep p 9 9 1 Fit pump casing 29 washers 24a and cap nuts 24 2 Adjust pump casing to the right position 3 Tighten nuts 20 for back plate 25 and tighten cap nuts 24 according to torque values in chapter 6 Technical data 3000 0095_2 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 24: ...ll b by y h ha an nd d 1 Fit lip seal 43 in seal housing 40 2 Lubricate O ring 44 and slide onto the seal housing 40 3 Fit the seal housing on back plate 25 and tighten screws 41 Use ø63 mm tube LKH Evap 10 60 3000 0096 S St te ep p 2 2 1 Clean the sealing surfaces with contact cleaner 2 Fit seal housing 40a on the back plate 25 and tighten screws 41 3000 0089 S St te ep p 3 3 1 Carefully guide ba...

Page 25: ...e O ring 38 and fit it in impeller 37 2 Lubricate the impeller hub with silicone grease or oil 3 Screw impeller 36 37 onto stub shaft 7 4 Fit impeller screw 39 and tighten Torque 10 60 20 Nm 7 4 lbf ft Torque 70 75 50 Nm 37 lbf ft 3000 0069 S St te ep p 7 7 1 Screw fittings 42 into seal housing 40 2 Tighten with a spanner 3000 0097 S St te ep p 8 8 Fit safety guard 22 and screw 23 and tighten 3000...

Page 26: ...ber seals before fitting them Relates to the shaft seal S St te ep p 9 9 1 Fit pump casing 29 2 Tighten nuts 20 for back plate 25 3 Fit washers 24a and cap nuts 24 and tighten according to torque values in chapter 6 Technical data 3000 0095_2 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 27: ... Place the parts on the stationary seal ring fitted in back plate 25 N NO OT TE E Ensure that both drive pins on the drive ring enters the notches in rotating seal rings Only LKH Evap 70 to 75 TD239 007_1 3000 0098 S St te ep p 3 3 1 Lubricate O ring 44 and slide onto seal housing 40a 2 Lubricate O ring 50 and fit on stationary seal ring 51 and fit this in the seal housing 3000 0099 S St te ep p 4...

Page 28: ...O ring 38 and fit it in impeller 36 37 2 Lubricate the impeller hub with silicone grease or oil 3 Screw impeller 36 37 onto stub shaft 7 4 Fit impeller screw 39 and tighten Torque 10 60 20 Nm 7 4 lbf ft Torque 70 75 50 Nm 37 lbf ft 3000 0122 S St te ep p 8 8 1 Screw fittings 42 into seal housing 40a 2 Tighten with a spanner 3000 0097 S St te ep p 9 9 Fit safety guard 22 and screw 23 and tighten 30...

Page 29: ...er seals before fitting them Relates to the shaft seal S St te ep p 1 10 0 1 Fit pump casing 29 2 Tighten nuts 20 for back plate 25 3 Fit washers 24a and cap nuts 24 and tighten according to torque values in chapter 6 Technical data 3000 0095_2 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 30: ...Se ee e s sp pe ec ciia all c clle ea an niin ng g p pr ro oc ce ed du ur re e f fo or r t ta ap pp pe ed d h ho olle e iin n s st tu ub b s sh ha af ft t p pa ag ge e 1 18 8 3000 0106 S St te ep p 2 2 1 Push stub shaft 7 together with compression rings 5a 5b onto the motor shaft 2 Check that the clearance between the end of the stub shaft and the motor flange is 10 20 mm 0 39 0 78 inch 3000 0107 ...

Page 31: ...o 60 and 1 0 mm 0 039 inch for LKH Evap 70 to 75 3000 0104 LKH Evap 10 to 60 0 5 mm 0 02 inch LKH Evap 70 to 75 1 0 mm 0 039 inch S St te ep p 6 6 Clear Flow impeller 3000 0161 N NO OT TE E If pump is mounted with ClearFlow impeller the clearence must be adjusted from the knobs to backplate S St te ep p 7 7 1 Remove impeller 36 37 back plate 25 and drive ring 52 2 Tighten screws 6 evenly to 15 Nm ...

Page 32: ... CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 33: ...al seal Max temperature flush media 70oC Max water pressure flushed seal Normally atmospheric max 1 bar max 14 5 psi Water consumption flushed seal 0 25 0 5 l min 0 07 0 13 gl Max water pressure LKH Evap 10 to 60 DMS Normally atmospheric max 5 bar max 72 5 psi Max water pressure LKH Evap 70 to 75 DMS Normally atmospheric max 3 bar max 43 5 psi Water consumption double mechanical seal 0 25 0 5 l mi...

Page 34: ...g 4000h 2200h DE NDE 42g 30 Permanently lubricated 4000h 2800h DE NDE 55g 8000h DE NDE 40g 37 Permanently lubricated 4000h 2800h DE NDE 55g 8000h DE NDE 40g 45 Permanently lubricated 2500h 1000h DE NDE 55g 8000h DE NDE 40g 55 Permanently lubricated 2500h 1000h DE NDE 73g 8000h 3000h DE NDE 60g 75 Permanently lubricated 1500h 500h DE NDE 73g 4000h 1500h DE NDE 60g 90 4000h 2800h DE NDE 45g 110 4000...

Page 35: ...ubricated 1 1 Permanently lubricated 1 5 Permanently lubricated 2 2 Permanently lubricated 3 0 Permanently lubricated 4 0 Permanently lubricated 5 5 Permanently lubricated 7 5 Permanently lubricated 11 Permanently lubricated 15 Permanently lubricated 18 5 Permanently lubricated 22 10000 10000h DE NDE 18g 30 10000 10000h DE NDE 21g 37 10000 10000h DE NDE 21g 45 Not available 55 5000 5000h DE NDE 27...

Page 36: ... 30 3600 324TS 455TS 40 150 6 Months 2 Months 143T 256T 1 20 284T 326T 25 50 4 Months 18 Months 1800 364T 445T 60 150 9 Months 3 Months 143T 256T 0 75 10 284T 326T 15 30 4 Years 16 Years 1200 364T 445T 40 125 1 Year 4 Months Motor of this size normally do not have bearings that can be re lubricated These bearings should be replaced at least every 5 years for 8 hr day service or every 2 years for 2...

Page 37: ...0 81 0 6 4 Weight kg P Pu um mp p T Ty yp pe e L LK KH He ev va ap p 9 90 0 1 10 00 0 1 11 12 2 1 13 32 2 1 16 60 0 1 18 80 0 2 20 00 0 2 25 50 0 S Siiz ze e 1 5kW 2 2kW 3kW 4kW 5 5kW 7 5kW 11kW 15kW 18 5kW 22kW 30kW 37kW 45kW 55kW 75kW 10 53 55 70 75 15 73 78 95 20 55 57 72 77 94 108 25 81 98 112 171 185 35 81 98 112 171 185 40 115 174 188 206 225 45 82 99 113 172 186 50 101 115 174 188 206 225 6...

Page 38: ...00 81 MR 300 82 GM 54 FM OS 61 The above LKH noise levels are the same for LKHPF LKHI LKH UltraPure LKH Evap LKHex The above SolidC noise levels are the same for SolidC UltraPure The noise measurements have been carried out with original motor and shroud approximately at the Best Efficiency Point BEP with water at ambient temperature and at 50 Hz Very often the noise level generated by the flow th...

Page 39: ...mation see US Spare Part LKH 75 USA version only no shroud US leg set 3000 0113_1 TD 239 008_1 TD 200 379_1 TD 251 383_2 Fitting of back plate 55 75 kW Fitting of legs Impeller screw Only used for 3 kW Fitting of legs 3000 0114_1 3001 0058 TD 251 131_3 Flushed shaft seal Single shaft seal Double mechanical shaft seal for LKH 70 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 4...

Page 40: ...ft Seal FSS Flushed Shaft Seal 22 22 23 17 16 14 15 13 45 42 41 10 44 43 40 42 FSS 54 13 14 LKH Evap 70 15 52 15 40a 50 51 44 14 DMSS 42 41 42 46 2 2a 18 19 5b 9 7 8 5a 55 35a 35 1 3 31 32 30a 53 33 34 48 49 47 55 75kW 6 6a 30b 14 15 13 10 21 20 26 25 24a 24 38 36 11 12 29 28 39 37 3006 0002 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 41: ... sections to P Pa ar rt ts s lliis st t Pos Qty Denomination 20 2 Nut 21 2 Washer 24 6 Cap nut 24a 6 Washer 25 1 Back plate 26 1 O ring 28 6 Bolt 29 1 Pump casing 36 1 Impeller 37 1 Impeller ClearFlow 38 1 O ring 39 1 Impeller screw CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 42: ...cal Shaft Seal FSS Flushed Shaft Seal 22 22 23 17 16 14 15 13 45 42 41 10 44 43 40 42 FSS 54 13 14 LKH Evap 70 15 52 15 40a 50 51 44 14 DMSS 42 41 42 46 2 2a 18 19 5b 9 7 8 5a 55 35a 35 1 3 31 32 30a 53 33 34 48 49 47 55 75kW 6 6a 30b 14 15 13 10 21 20 26 25 24a 24 38 36 11 12 29 28 39 37 3006 0002 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 43: ...ead 6 6 Screw 6a 6 Washer 7 1 Shaft incl pin 8 1 Connex pin 9 1 Retaining ring 16 1 Adaptor 17 4 Screw for adaptor 18 4 Nut for adaptor 19 4 Washer for adaptor 22 1 Safety guard set 23 1 Screw for safety guard 30a 1 Support bar right 30b 1 Support bar left 31 4 Leg 32 4 Screw 33 4 Nut 34 4 Spring washer 35 4 Screw 35a 4 Washer 46 4 Distance sleeve 47 2 Leg bracket 48 4 Nut for leg 49 4 Screw for l...

Page 44: ...LKH Evap pump The items refer to the parts lists in the following sections to 7 4 LKH Evap Shaft seal Single Shaft Seal Flushed Shaft Seal Double Mechanical Shaft Seal CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 45: ...22 25 57 77 7 S Se er rv viic ce e k kiit t S SiiC C S SiiC C L LK KH H E Ev va ap p 2 25 5 3 35 5 4 45 5 9 96 61 11 19 92 22 25 59 98 8 9 96 61 11 19 92 22 25 59 99 9 9 96 61 11 19 92 22 26 60 00 0 9 96 61 11 19 92 22 26 60 01 1 S Se er rv viic ce e k kiit t S SiiC C S SiiC C L LK KH H E Ev va ap p 4 40 0 5 50 0 6 60 0 9 96 61 11 19 92 22 26 62 23 3 9 96 61 11 19 92 22 26 62 24 4 9 96 61 11 19 92...

Page 46: ... t C C S SiiC C L LK KH H E Ev va ap p 4 40 0 5 50 0 6 60 0 9 96 61 11 19 92 22 22 23 34 4 9 96 61 11 19 92 22 22 23 35 5 9 96 61 11 19 92 22 22 23 36 6 9 96 61 11 19 92 22 22 23 37 7 S Se er rv viic ce e k kiit t C C S SiiC C L LK KH H E Ev va ap p 7 70 0 9 96 61 11 19 92 22 24 41 16 6 9 96 61 11 19 92 22 24 41 17 7 9 96 61 11 19 92 22 24 41 18 8 9 96 61 11 19 92 22 24 41 19 9 S Se er rv viic ce ...

Page 47: ...CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES CSIDESIGNS COM 417 831 1411 ...

Page 48: ... of the user of this document to comply with all applicable intellectual property laws Without limiting any rights related to this document no part of this document may be copied reproduced or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise or for any purpose without the expressed permission of Alfa Laval Corporate AB Alfa Laval Corporate AB will e...

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