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5 Maintenance

Study the instructions carefully. The items refer to the parts list and service kits section.
Lubricate the rubber seals before fitting them.

: Relates to the shaft seal.

S

Stteepp 55

1. FFoorr ddoouubbllee m

meecchhaanniiccaall sshhaafftt sseeaall:: Fit drive ring (52) on stub

shaft (7).

2. Fit back plate (25), washers (21) and nuts (20) and tighten.

3007-0049

S

Stteepp 66

1. Fit impeller (37) on stub shaft (7).

2. Ensure that the clearance between the impeller and back plate

(25) is correct: 0.5 mm (0.02 inch) for LKHUP-10 to 60 and 1.0

mm (0.039 inch) for LKHUP-70.

3. Tighten screws (6) evenly until the stub shaft (7) cannot move

on the motor shaft.

LKHUP-10 to -60 = 0.5 mm (0.02 inch)

LKHUP-70 = 1.0 mm (0.039 inch)

3007-0050

S

Stteepp 77

1. Remove impeller (37), back plate (25) and drive ring (52).

2. Tighten screws (6) evenly to 15 Nm (11 lbf-ft).

Counterhold with a screwdriver

3007-0051

15Nm
(11 lbf-ft)

32

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

Содержание CSI LKH UltraPure Series

Страница 1: ...3007 0089 ESE01703 EN11 2018 02 Original manual Instruction Manual LKH UltraPure Centrifugal Pump...

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

Страница 3: ...intenance 18 5 2 Cleaning procedure 20 5 3 Dismantling of pump shaft seals 21 5 4 Assembly of pump single shaft seal 24 5 5 Assembly of pump double mechanical shaft seal 26 5 6 Assembly of flushing se...

Страница 4: ...H UP 40 LKH UP 45 LKH UP 60 LKH UP 70 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...

Страница 5: ...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 im...

Страница 6: ...dle lye and acid with great care N Ne ev ve er r use the pump for products not mentioned in Alfa Laval pump selection program The Alfa Laval pump selection program can be acquired from your local Alfa...

Страница 7: ...be supported underneath the adaptor when not installed in the process line C Ch 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 4 Instruction...

Страница 8: ...shing liquid connections if supplied Caution 3007 0092 S St te ep p 5 5 Always remove the shroud if fitted before lifting the pump Remove the shroud before ifting 3007 0093 CONTACT CSI FOR MORE INFORM...

Страница 9: ...6 ONLY LKH UltraPure 60 and LKH UltraPure 70 Do N NO OT T use eyebolt in casing to lift the pump The eyebolt is for casing removal only 3007 0093 CONTACT CSI FOR MORE INFORMATION CSIDESIGNS COM SALES...

Страница 10: ...ponsible for incorrect installation W WA AR RN NI IN NG G Alfa Laval recommends the installation of lockable repair breaker If the repair breaker is to be used as an emergency stop the colours of the...

Страница 11: ...lines are routed correctly 2 Ensure that the connections are tight Remember seal rings 3007 0008 Few bends Correct S St te ep p 5 5 Avoid stress on the pump Pay special attention to Vibrations Thermal...

Страница 12: ...indication label on the pump 3 3 Pre use check S St te ep p 1 1 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 th...

Страница 13: ...etal 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...

Страница 14: ...hen pumping hot liquids or when sterilising D Da an ng ge er r o of f b bu ur rn ns s 3007 0015 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...

Страница 15: ...te the water supply correctly O Outlet I Inlet Tmax 70 C 158 F Pmax LKHUP10 60 5 bar 72 5 psi Pmax LKHUP70 3 bar 43 5 psi 3007 0095 O I S St te ep p 6 6 C Co on nt tr ro oll Reduce the capacity and th...

Страница 16: ...f 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 tempera...

Страница 17: ...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 a...

Страница 18: ...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 P Pa ay y...

Страница 19: ...tistics 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 complet...

Страница 20: ...meter sanitary bristle pipe brush in and out of the hole for two minutes while submerged 4 Soak stub shaft 7 in acid sanitiser for 5 minutes then scrub blind tapped hole as described in step 3 above 5...

Страница 21: ...blle e m me ec ch ha an niic ca all s sh ha af ft t s se ea all 1 Remove flow meter 2 Remove flushing set 54 from pump casing 29 and lower tube 3007 0096 S St te ep p 2 2 Unscrew cap nuts 24 and remov...

Страница 22: ...he impeller by tapping gently on the impeller vanes 3 Remove the O ring 38 from the impeller Counterhold with a screwdriver 3001 0023 If necessary S St te ep p 6 6 1 Pull off the O ring 26 from back p...

Страница 23: ...5 from rotating seal rings 14 3007 0027 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 ea all 1 Remove stationary seal ring 51 from seal housing 40a 40b 2 Remove...

Страница 24: ...AU UT TI IO ON N Ensure that the driver on the drive ring enters the notch in the rotating seal ring 3007 0031 S St te ep p 3 3 Fit the complete shaft seal on stub shaft 7 C CA AU UT TI IO ON N Make s...

Страница 25: ...peller hub with silicone grease or oil 3 Screw the impeller onto stub shaft 7 4 Fit impeller screw 39 and tighten Torque values LKHUP10 60 20 Nm 15 lbf ft LKHUP70 50 Nm 37 lbf ft 3001 0036 S St te ep...

Страница 26: ...second rotating ring 14 on the other end of the spring 3 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 enter the notch...

Страница 27: ...001 0034 S St te ep p 7 7 Lubricate O ring 26 and slide it onto back plate 25 3001 0035 S St te ep p 8 8 1 Lubricate O ring 38 and fit it in impeller 37 2 Lubricate the impeller hub with silicone grea...

Страница 28: ...h ha an niic ca all s sh ha af ft t s se ea all 1 Fit membrane valve on drain on pump casing Ensure the bypass tube is in the right position see drawing 2 Fit lower tube to the needle valve 3 Fit pres...

Страница 29: ...on pump casing drain 2 Ensure the bypass tube is in the right position see section 5 5 Assembly of pump double mechanical shaft seal step 10 3007 0042 S St te ep p 3 3 1 Fit needle valve to bypass tu...

Страница 30: ...5 to top hole of flush housing 2 Fit straight connection to HEX tube 3 Cut and fit 6mm 1 4 tube supplied in between straight connections 4 Fit flow meter to straight connection and fit elbow connectio...

Страница 31: ...grease on the motor shaft No grease on the inside diameter of the pump shaft Screws for the compression rings are applied with grease 3007 0046 S St te ep p 2 2 1 Push stub shaft 7 together with comp...

Страница 32: ...p 6 6 1 Fit impeller 37 on stub shaft 7 2 Ensure that the clearance between the impeller and back plate 25 is correct 0 5 mm 0 02 inch for LKHUP 10 to 60 and 1 0 mm 0 039 inch for LKHUP 70 3 Tighten...

Страница 33: ...Finish Polished Product wetted seals EPDM standard Other O rings EPDM standard Alternative seals FPM and FEP S Sh ha af ft t s se ea all Seal types External single or double mechanical seal Max tempe...

Страница 34: ...00h 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 55...

Страница 35: ...icated 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 P...

Страница 36: ...ervice or every 2 years for 24 hr day service W Wa ar rn niin ng g B Be ea ar riin ng g g gr re ea as se e iis s K Kll b be er r N NB BU U 1 15 5 D DO O N NO OT T S SU UB BS ST TI IT TU UT TE E T Ta a...

Страница 37: ...0 M12 19mm 0 75 67 49 M14 22mm 0 87 110 81 6 4 Weight kg P Pu um mp p T Ty yp pe e L LK KH H U Ullt tr ra aP Pu ur re e 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 S...

Страница 38: ...1 MR 300 82 GM 54 FM OS 61 The above LKH noise levels are the same for LKHPF LKHI LKH UltraPure LKH Evap and LKHex The above SolidC noise levels are the same for SolidC UltraPure The noise measurement...

Страница 39: ...traPure Product wetted parts 7 1 LKH UltraPure 10 20 25 35 40 45 60 70 3007 0112 US legs are different to the ones shown For further information see US spare parts 3007 0058 3007 0059 3007 0054_1 Doub...

Страница 40: ...2 LKH UltraPure Product wetted parts 3001 0067 22 22 23 17 18 19 35a 35 1 31 32 30a 39 33 34 30b 7 5a 5b 9 6 6a 8 13 10 14 15 16 21 20 25 24a 24 12 26 36 38 37 29 28 11 2 3 46 47 48 49 42 44 51 50 40...

Страница 41: ...KH UltraPure Product wetted parts 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 Backplate compl 26 1 Pump casing O ring 28 6 Bolt 29 1 Connections...

Страница 42: ...7 3 LKH UltraPure Motor dependent parts 3001 0065 22 22 23 17 18 19 35a 35 1 31 32 30a 39 33 34 30b 7 5a 5b 9 6 6a 8 13 10 14 15 16 21 20 25 24a 24 12 26 36 38 37 29 28 11 2 3 46 47 48 49 42 44 51 50...

Страница 43: ...mpression ring without thread 6 6 Screw 6a 6 Washer 7 1 Shaft 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 2...

Страница 44: ...arts 7 4 LKH UltraPure Shaft seal 3001 0065 22 22 23 17 18 19 35a 35 1 31 32 30a 39 33 34 30b 7 5a 5b 9 6 6a 8 13 10 14 15 16 21 20 25 24a 24 12 26 36 38 37 29 28 11 2 3 46 47 48 49 42 44 51 50 40a 52...

Страница 45: ...1 11 19 92 22 23 39 93 3 9 96 61 11 19 92 22 23 39 92 2 9 96 61 11 19 92 22 23 39 94 4 S Se er rv viic ce e k kiit t L LK KH HU UP P 7 70 0 9 96 61 11 19 92 20 05 54 49 9 9 96 61 11 19 92 20 05 55 50...

Страница 46: ...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 transmit...

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