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Alfa Laval LKH Prime 20, Инструкция по эксплуатации

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Alfa Laval LKH Prime 20 Скачать руководство пользователя страница 29

5 Maintenance

Read 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.

5.6

Adjustment of shaft

Step 1
1. Loosen screws (6).
2. Pull off stub shaft (7) 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 flange is 10-20 mm (0.39 - 0.78 inch).

10-20 mm
(0.39-0.78 inch)

Step 3
1. Tighten screws (6) lightly and evenly.
2. Ensure that stub shaft (7) can be moved on the motor shaft.

29

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Содержание LKH Prime 20

Страница 1: ...3013 0000 ESE03053 EN0 2016 02 Original manual Instruction Manual LKH Prime Pump www sks online com www sks webshop com...

Страница 2: ...www sks online com www sks webshop com...

Страница 3: ...4 3 Recommended cleaning 16 5 Maintenance 17 5 1 General maintenance 17 5 2 Cleaning procedure 19 5 3 Dismantling of pump shaft seals 20 5 4 Assembly of pump single shaft seal 23 5 5 Assemby of pump...

Страница 4: ...Designation LKH Prime 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 authorised to compile the...

Страница 5: ...portant information WARNING Indicates that special procedures must be followed to avoid serious personal injury CAUTION Indicates that special procedures must be followed to avoid damage to the pump N...

Страница 6: ...ad to hazardous situations Always handle lye and acid with great care Never use the pump for products not mentioned in the Alfa Laval pump selection program The Alfa Laval pump selection program can b...

Страница 7: ...re that certain pump configurations can tilt and therefore cause injuries to feet or fingers The pump should be supported underneath the adaptor when not installed in the process line Check the delive...

Страница 8: ...WARNING Alfa Laval recommends the installation of a 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 Caution Th...

Страница 9: ...ial attention to Vibrations Thermal expansion of the tubes Excessive welding Overloading of the pipelines Note In case of shaft seal leakage the media will drip from the slot in the bottom of the adap...

Страница 10: ...move adaptor 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 also instruction...

Страница 11: ...hers 24a Fit and tighten cap nuts 24 according to torque values in chapter 6 Technical data 2 Fit air screw 58 and tighten with a spanner Torque 20Nm 15 lbf ft 3 Fit front cover O ring 59 and fit and...

Страница 12: ...ng Maintenance During maintenance oil and wearing parts in the machine are replaced All metal parts should be sent for material recycling Worn out or defective electronic parts should be sent to a lic...

Страница 13: ...for incorrect operation control Step 2 Never touch the pump or the pipelines when pumping hot liquids or when sterilising Danger of burns Step 3 Never run the pump with both the suction side and the...

Страница 14: ...orrectly 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 means of Throttling the...

Страница 15: ...ssure 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 Leaking shaft seal Running dry...

Страница 16: ...ng 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 cl...

Страница 17: ...g the pump NOTE All scrap must be stored disposed of in accordance with current rules directives Step 2 Never service the pump when it is hot Danger of burns Step 3 Never service the pump with pump if...

Страница 18: ...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 the shaft sea...

Страница 19: ...swab test fail repeat steps 2 to 6 above until the swab test is passed Should swab testing continue to fail or time is on the essence install a new spare air shaft Step 2 Cleaning procedure for soile...

Страница 20: ...smantling 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 Remove air screw 58 with...

Страница 21: ...O ring 38 from the impeller Counterhold with a screwdriver If necessary Step 6 1 Remove the O ring 26 from back plate 25 2 Unscrew nuts 20 and remove washers 21 and the back plate 25 Step 7 1 Remove t...

Страница 22: ...housing 40a 2 Remove O ring 50 from stationary seal ring 51 3 Remove O ring 44 from seal housing 40a Step 10 1 Remove the complete shaft seal from stub shaft 7 2 Remove spring 13 and rotating seal ri...

Страница 23: ...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 driv...

Страница 24: ...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 cleaner before f...

Страница 25: ...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 front...

Страница 26: ...the stationary seal ring fitted in back plate 25 NOTE Ensure that both drive pins on the drive ring enter the notches in rotating seal rings Step 3 1 Lubricate O ring 44 and slide onto seal housing 40...

Страница 27: ...6 1 To enable fitting of back plate 25 with the shaft seal remove Connex pin 8 from stub shaft 7 if fitted 2 Carefully guide the back plate onto adaptor 16 3 Fit washers 21 and nuts 20 Step 7 Lubricat...

Страница 28: ...hten 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 an...

Страница 29: ...2 Pull off stub shaft 7 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 st...

Страница 30: ...25 washers 21 and nuts 20 and tighten Step 6 1 Fit impeller 27 on stub shaft 7 2 Ensure that the clearance between the impeller and back plate 25 is correct 0 5 mm 0 02 inch 3 Tighten screws 6 evenly...

Страница 31: ...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 fluorinated rubber FPM Shaft...

Страница 32: ...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 2200h DE NDE 42g 30 Permane...

Страница 33: ...ted 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 Perma...

Страница 34: ...150 6 Months 2 Months 143T 256T 1 20 284T 326T 25 50 4 Years 18 Months 1800 364T 445T 60 150 9 Months 3 Months 143T 256T 0 75 10 284T 326T 15 30 4 Years 18 Years 1200 364T 445T 40 125 1 Year 4 Months...

Страница 35: ...tightening torques for the screws bolts and nuts in this pump Always use the torques specified below if no other values are stated This can be a matter of personal safety Size Tightening torque Nm lb...

Страница 36: ...he above LKH noise levels are the same for LKHPF LKHI LKH UltraPure LKH Evap and LKHex The above LKH Prime is the same for LKH Prime UltraPure The above SolidC noise levels are the same for SolidC Ult...

Страница 37: ...tary version 3013 0048 LKH Prime US legs are different to the ones shown For further information see US spare parts 3013 0049 3013 0050 Only used for 3 kW Fitting of legs Fitting of back plate 3013 00...

Страница 38: ...2 LKH Prime Product wetted parts DMSS 42 40a 51 50 14 44 15 52 15 13 14 42 41 3013 0052 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...

Страница 39: ...list 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 Pump casing 37 1 Impeller 38 1 O ring 55 2 O ring 56 1 Recirculation pipe 57 1 Clamp...

Страница 40: ...3 LKH Prime Motor dependent parts DMSS 42 40a 51 50 14 44 15 52 15 13 14 42 41 3013 0052 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...

Страница 41: ...Screw 6a 6 Washer 7 1 Shaft 7a 1 Stud bolt included in pos 7 8 1 Connex pin included in pos 7 9 1 Retaining ring included in pos 7 16 1 Adaptor 17 4 Screw for adaptor 18 4 Nut for adaptor 19 4 Washer...

Страница 42: ...ion 7 4 LKH Prime Shaft seal DMSS 42 40a 51 50 14 44 15 52 15 13 14 42 41 3013 0052 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 27...

Страница 43: ...vice kit for single shaft seal C SiC Service kit C SiC LKH Prime 20 9611927175 9611927176 9611927177 Service kit for single shaft seal SiC SiC Service kit SiC SiC LKH Prime 20 9611927178 9611927179 96...

Страница 44: ...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 transmi...

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