Alfa Laval LKH Prime UltraPure Instruction Manual Download Page 25 | Manualshive

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5 Maintenance

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

: Relates to the shaft seal.

Step 12
1. Slide off stub shaft (7) together with compression rings (5a, 5b)

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Summary of Contents for LKH Prime UltraPure

Page 1: ...3013 0079 ESE03177 EN3 2018 02 Original manual Instruction Manual LKH Prime UltraPure Pump...

Page 2: ......

Page 3: ...16 4 3 Recommended cleaning 17 5 Maintenance 19 5 1 General maintemance 19 5 2 Cleaning procedure 21 5 3 Dismantling of pump shaft seals 22 5 4 Assembly of pump single shaft seal 26 5 5 Assembly of p...

Page 4: ...declares that Pump Designation LKH Prime UP 20 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 auth...

Page 5: ...the pump 2 1 Important information WARNING Indicates that special procedures must be followed to avoid serious personal injury CAUTION Indicates that special procedures must be followed to avoid dama...

Page 6: ...s as this can lead to hazardous situations Always handle lye and acid with great care Never use the pump for products not listed in the Alfa Laval pump selection program The Alfa Laval pump selection...

Page 7: ...unpacking WARNING Be aware that certain pump configurations can tilt and therefore cause injury to feet or fingers The pump should be supported underneath the adapter when not installed in the proces...

Page 8: ...sible for incorrect installation WARNING Alfa Laval recommends the installation of a lockable repair breaker If the repair breaker is to be used as an emergency stop the colours of the repair breaker...

Page 9: ...the pump Pay special attention to Vibrations Thermal expansion of the tubes Excessive welding Overloading of the pipelines Note In the event of leakage at the shaft seal the medium will drip from the...

Page 10: ...See pre use check in section 3 3 Pre use check The pump is heavy Alfa Laval therefore recommends the use of a lifting crane when handling the pump Step 7 If pump is fitted with drain option Never sho...

Page 11: ...ng is removed 1 Remove adapter shields 22 2 Loosen unions and remove recirculation pipe 56 3 Remove clamp 57 and front cover 60 4 Remove air screw 58 with a spanner Counter hold with a screwdriver See...

Page 12: ...Step 4 1 Fit pump casing 29 and washers 24a Fit and tighten cap nuts 24 Torque 20Nm 15 lbf ft 2 Fit air screw 58 and tighten with a spanner Torque 20Nm 15 lbf ft 3 Fit front cover O ring 59 and fit a...

Page 13: ...t for material recycling Maintenance During maintenance oil and wearing parts in the machine are replaced All metal parts should be sent for material recycling Worn or defective electronic parts shoul...

Page 14: ...Laval cannot be held responsible for incorrect operation control Step 2 Never touch the pump or pipelines when pumping hot liquids or when sterilising Risk of burns Step 3 Never run the pump when both...

Page 15: ...he flushing liquid correctly R1 8 2 Regulate the water supply correctly O Outlet I Inlet Tmax 70 C Pmax 5 bar double mechanical seal Step 6 Control Reduce the capacity and the power consumption by mea...

Page 16: ...se the inlet pressure Pressure reduction sometimes to zero High liquid temperature Reduce the liquid temperature Increase in the noise level Reduce the pressure drop before the pump Reduce speed Leaki...

Page 17: ...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...

Page 18: ...l attention to the warnings NaOH Caustic Soda HNO3 Nitric acid NOTE If pumps are sterilised using steam standard 3A requires the process system to be designed to automatically shut down if the product...

Page 19: ...supply when servicing the pump NOTE All scrap must be stored disposed of in accordance with current regulations directives Step 2 Never service the pump when it is hot Risk of burns Step 3 Never serv...

Page 20: ...maintenance Regular inspection for leakage and smooth operation Keep a record of the pump Use the statistics for inspection planning Replace after leakage Complete shaft seal Replace when replacing th...

Page 21: ...liness 7 Should the swab test fail repeat steps 2 to 6 above until the swab test is passed Should swab testing continue to fail or time is of the essence install a new spare air shaft Step 2 Cleaning...

Page 22: ...he shaft seal 5 3 Dismantling of pump shaft seals Step 1 Remove screw 23 and safety guard 22 Step 2 1 Loosen unions and remove recirculation pipe 56 2 Remove clamp 57 and front cover 60 Step 3 1 Remov...

Page 23: ...1 Remove impeller 27 If necessary loosen the impeller by tapping gently on the impeller vanes 2 Remove the O ring 38 from the impeller Counter hold with a screwdriver if necessary Step 6 1 Remove the...

Page 24: ...ring 52 from spring 13 3 Remove O rings 15 from rotating seal rings 14 Step 9 Double mechanical shaft seal 1 Remove stationary seal ring 51 from seal housing 40a 2 Remove O ring 50 from stationary sea...

Page 25: ...Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly Relates to the shaft seal Step 12 1 Slide off stub shaft 7 together with compression r...

Page 26: ...tep 1 1 Remove spring 13 NOTE Make sure that O ring 15 has maximum clearance from the sealing surface Step 2 1 Refit spring 13 on rotating seal ring 14 2 Fit the spring and the rotating seal ring on d...

Page 27: ...y seal ring Max 7 Nm 5 lbf ft Use the tool supplied Left hand thread NOTE If fitting SiC SiC single seal the static seal face must be marked LKH Prime Step 5 1 Clean the sealing surfaces with contact...

Page 28: ...20 for back plate 25 according to torque values in chapter 6 Technical data 4 Fit air screw 58 and tighten with a spanner Torque 20Nm 15 lbf ft Step 9 1 Fit front cover O ring 59 and fit and align fr...

Page 29: ...arts on the stationary seal ring fitted in the back plate 25 NOTE Ensure that both drive pins on the drive ring are inserted into the notches in the rotating seal rings Step 3 1 Lubricate O ring 44 an...

Page 30: ...1 Step 6 1 To enable the fitting of the back plate 25 with the shaft seal remove the Connex pin 8 from the stub shaft 7 if fitted 2 Carefully guide the back plate onto adaptor 16 3 Fit washers 21 and...

Page 31: ...Tighten nuts 20 for back plate 25 according to torque values in chapter 6 Technical data 4 Fit air screw 58 and tighten with a spanner Torque 20Nm 15 lbf ft Step 11 1 Fit front cover O ring 59 and fit...

Page 32: ...together with compression rings 5a 5b Step 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 f...

Page 33: ...0 then tighten Step 6 1 Fit impeller 27 on stub shaft 7 2 Ensure that the clearance between the impeller and the back plate 25 is correct 0 5 mm 0 02 inch 3 Tighten screws 6 evenly until the stub shaf...

Page 34: ...rials Product wetted steel parts AISI 316L Other steel parts Stainless steel Finish Standard blasted Product wetted seals EPDM standard Other O rings EPDM standard Alternative seals Nitrile NBR and fl...

Page 35: ...rmanently lubricated 3100h 2300h DE NDE 25g 15 Permanently lubricated 3100h 2300h DE NDE 25g 18 5 Permanently lubricated 3100h 2300h DE NDE 25g 22 Permanently lubricated 2600h 2000h DE NDE 42g 4000h 2...

Page 36: ...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...

Page 37: ...e bearings should be replaced at least every 5 years for 8 hr day service or every 2 years for 24 hr day service Warning The bearing grease used must be Kl ber NBU 15 DO NOT SUBSTITUTE Table 2 Baldor...

Page 38: ...tening torques for the screws bolts and nuts in this pump Always use the following torques if no other values are stated This can be a matter of personal safety Size Spanner width Torque values Nm Ibf...

Page 39: ...74 LKH 112 70 LKH 113 69 LKH 114 68 LKH 122 75 LKH 123 77 LKH 124 80 SolidC 1 68 SolidC 2 72 SolidC 3 73 SolidC 4 72 MR 166 76 MR 185 82 MR 200 81 MR 300 82 GM 54 FM OS 61 The above LKH noise levels...

Page 40: ...ut the technical data Often the noise level generated by the flow through the process system eg valves pipes tanks etc is much higher than that generated by the pump itself Therefore it is important t...

Page 41: ...1 LKH Prime UltraPure 3013 0048 LKH Prime UltraPure US legs are different to those shown For further information see US spare parts 3013 0049 3013 0050 Only used for 3 kW Fitting of legs Fitting of ba...

Page 42: ...20 Product wetted parts DMSS 42 40a 51 50 14 44 15 52 15 13 14 42 41 3013 0081 2 2a 3 46 18 19 35 35a 1 30a 32 31 34 33 30b 5a 8 7 9 5b 6a 6 10 13 15 14 20 21 23 22 22 17 16 24 24a 25 12 26 11 37 28...

Page 43: ...os Qty Denomination 20 1 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 and drain 37 1 Impeller 38 1 O ring impeller 55 2 O ring 56 1...

Page 44: ...20 Motor dependent parts DMSS 42 40a 51 50 14 44 15 52 15 13 14 42 41 3013 0081 2 2a 3 46 18 19 35 35a 1 30a 32 31 34 33 30b 5a 8 7 9 5b 6a 6 10 13 15 14 20 21 23 22 22 17 16 24 24a 25 12 26 11 37 28...

Page 45: ...g 5b 1 Compression ring 6 6 Screw 6a 6 Washer 7 1 Shaft 8 1 Connex pin 9 1 Retaining ring 16 1 Adapter 17 4 Screw for adapter 18 4 Nut for adapter 19 4 Washer for adapter 22 1 Safety guard set 23 1 Sc...

Page 46: ...aPure 20 Shaft seal DMSS 42 40a 51 50 14 44 15 52 15 13 14 42 41 3013 0081 2 2a 3 46 18 19 35 35a 1 30a 32 31 34 33 30b 5a 8 7 9 5b 6a 6 10 13 15 14 20 21 23 22 22 17 16 24 24a 25 12 26 11 37 28 29 59...

Page 47: ...ice kits Denomination EPDM FPM FEP Service kit for single shaft seal Service kit LKH Prime UltraPure 20 incl Q doc 9611927187 9611927188 9611927191 Service kit for double mechanical shaft Service kit...

Page 48: ...s the responsibility 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 r...

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