Alfa Laval LKH Скачать руководство пользователя страница 32 | Manualshive

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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.

Step 10
1. Fit pump casing (29).
2. Tighten nuts (20) for back plate (25).
3.

A. LKH-5: Fit clamps (55+55a), spring washers (56a) and screws (56) and tighten.
B. LKH-10 to -90: Fit washers (24a) and cap nuts (24) and tighten, according to torque values in chapter 6 Technical data.

LKH-85 and LKH-90

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Содержание LKH

Страница 1: ...3000 0059 ESE00698 EN21 2017 05 Original manual Instruction Manual LKH Centrifugal Pump...

Страница 2: ......

Страница 3: ...mmended cleaning 17 5 Maintenance 18 5 1 General maintenance 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 flushed...

Страница 4: ...LKH 10 LKH 15 LKH 20 LKH 25 LKH 35 LKH 40 LKH 45 LKH 50 LKH 60 LKH 70 LKH 85 LKH 90 Type From serial number 10 000 to 1 000 000 is in conformity with the following directive with amendments Machinery...

Страница 5: ...sing 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...

Страница 6: ...mp when partially installed or not completely assembled Necessary precautions must be taken if leakage occurs as this can lead to hazardous situations Always handle lye and acid with great care Never...

Страница 7: ...e supported underneath the adaptor when not installed in the process line Check the delivery for 1 Complete pump 2 Delivery note 3 Motor instructions Step 2 Remove any packing materials from the inlet...

Страница 8: ...3 Installation Step 5 ONLY LKH 85 and LKH 90 Do NOT use eyebolt in casing to lift the pump The eyebolt is for casing removal only 8...

Страница 9: ...ted by authorised personnel See the motor instructions CAUTION Alfa Laval cannot be held responsible for incorrect installation WARNING Alfa Laval recommends the installation of a lockable repair brea...

Страница 10: ...ing the pump Step 4 1 Ensure that the pipelines are routed correctly 2 Ensure that the connections are tight Remember seal rings Few bends Correct Step 5 Avoid stress on the pump Pay special attention...

Страница 11: ...ng is removed 1 A LKH 5 Remove screws 56 spring washers 56a clamps 55 55a and pump casing 29 B LKH 10 to 60 Remove cap nuts 24 washers 24a and pump casing 29 2 Remove impeller 27 see also instruction...

Страница 12: ...ection of rotation of the impeller before operation See the indication label on the pump 3 4 Pre use check pump with impeller screw Never start in the wrong direction of rotation with liquid in the pu...

Страница 13: ...ration plant Metal straps should be sent for material recycling Maintenance During maintenance oil and wearing parts in the machine are replaced All metal parts should be sent for material recycling W...

Страница 14: ...roughly See chapter 6 Technical data CAUTION Alfa Laval cannot be held responsible for incorrect operation control Step 2 Never touch the pump or the pipelines when pumping hot liquids or when sterili...

Страница 15: ...d correctly R1 8 BSP 2 Regulate the water supply correctly For LKH 85 connect inlet outlet of the flushing liquid directly on the flushing housing 6 tube O Outlet I Inlet Tmax 70 C Pmax 1 bar flush se...

Страница 16: ...mination 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 liqu...

Страница 17: ...ean 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...

Страница 18: ...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 pressurised CAUTION Fit the electrical connections...

Страница 19: ...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 seal Yearly...

Страница 20: ...er 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 Ri...

Страница 21: ...ly Relates to the shaft seal 5 3 Dismantling of pump shaft seals Step 1 1 A LKH 5 Remove screws 56 spring washers 56a clamps 55 55a and pump casing 29 B LKH 10 to 90 Unscrew cap nuts 24 and remove was...

Страница 22: ...eller by knocking gently on the impeller vanes 3 Remove the O ring 38 from the impeller if fitted Counterhold with a screwdriver If necessary Step 5 1 Pull off the O ring 26 from back plate 25 2 Unscr...

Страница 23: ...ings 14 and drive ring 52 from spring 13 3 Remove O rings 15 from rotating seal rings 14 4 LKH 70 to 90 Remove cups 54 from rotating seal rings Step 9 Double mechanical shaft seal 1 Remove stationary...

Страница 24: ...14 2 Fit the spring and the rotating seal ring on drive ring 10 CAUTION Ensure that the driver on the drive ring enters the notch in the rotating seal ring Step 3 Fit the complete shaft seal on stub...

Страница 25: ...1 and nuts 20 Step 6 Lubricate O ring 26 and slide it onto back plate 25 Step 7 1 Lubricate O ring 38 and fit it in impeller 37 if impeller screw is used 2 Lubricate impeller hub with silicone grease...

Страница 26: ...p casing 29 clamps 55 55a spring washers 56a and screws 56 B LKH 10 to 90 Fit pump casing 29 washers 24a and cap nuts 24 2 Adjust pump casing to the right position 3 A LKH 5 Tighten nuts 20 for back p...

Страница 27: ...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 63 mm tube Step 2 1 Lubricate O ring 45 and fit it in drive ring 10 2 Fit sprin...

Страница 28: ...nto back plate 25 Step 6 1 Lubricate O ring 38 and fit it in impeller 37 if impeller screw is used 2 Lubricate the impeller hub with silicone grease or oil 3 Screw impeller 27 onto stub shaft 7 4 Fit...

Страница 29: ...haft seal Step 9 1 A LKH 5 Fit pump casing 29 clamps 55 55a spring washers 56a and screws 56 B LKH 10 to 90 Fit pump casing 29 2 Tighten nuts 20 for back plate 25 3 A LKH 5 Tighten nuts 20 for back pl...

Страница 30: ...14 on the other end of the spring 3 Place the parts on 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 Onl...

Страница 31: ...ricate O ring 38 and fit it in impeller 37 if impeller screw is used 2 Lubricate the impeller hub with silicone grease or oil 3 Screw impeller 27 onto stub shaft 7 4 Fit impeller screw 36 and tighten...

Страница 32: ...seals before fitting them Relates to the shaft seal Step 10 1 Fit pump casing 29 2 Tighten nuts 20 for back plate 25 3 A LKH 5 Fit clamps 55 55a spring washers 56a and screws 56 and tighten B LKH 10...

Страница 33: ...Push stub shaft 7 onto the motor shaft Screws 4 must fit in the keyway on 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...

Страница 34: ...tion Lubricate the rubber seals before fitting them Relates to the shaft seal Step 5 1 Fit impeller 27 on stub shaft 7 2 Ensure that the clearance between the impeller and back plate 25 is correct 0 5...

Страница 35: ...diameter of the pump shaft Screws for the compression rings are applied with grease 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 to...

Страница 36: ...the clearance between the impeller and back plate 25 is correct 0 5 mm 0 02 inch for LKH 10 to 60 and 1 0 mm 0 039 inch for LKH 70 to 90 3 Tighten screws 6 evenly until the stub shaft 7 cannot move o...

Страница 37: ...parts AISI 316L Other steel parts Stainless steel Product wetted seals EPDM standard Other O rings EPDM standard Alternative seals Nitrile NBR fluorinated rubber FPM and FEP Shaft seal Seal types Ext...

Страница 38: ...ated 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 2200h DE NDE 42g...

Страница 39: ...anently 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 lubr...

Страница 40: ...d These bearings should be replaced at least every 5 years for 8 hr day service or every 2 years for 24 hr day service Warning Bearing grease must be Kl ber NBU 15 DO NOT SUBSTITUTE Table 2 Baldor NEM...

Страница 41: ...49 M14 110 81 6 4 Weight kg Pump Type LKH Motor 80 90 100 112 132 160 180 200 250 280 Size 0 75kW 1 1kW 1 5kW 2 2kW 3kW 4kW 5 5kW 7 5kW 11kW 15kW 18 5kW 22kW 30kW 37kW 45kW 55kW 75kW 90kW 110kW 5 42 4...

Страница 42: ...2 MR 200 81 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 m...

Страница 43: ...nitary version 7 1 LKH 5 Sanitary version US legs are different to the ones shown For further information see US spare parts Impeller screw Fitting of legs 0 75 1 1 kW Fitting of back plate Flushed sh...

Страница 44: ...on LKH10 75 LKH 85 and LKH 90 US legs are different to the ones shown For further information see US spare parts Only used for 0 75 1 1 and 3 kW Fitting of legs Fitting of back plate Only used for 55...

Страница 45: ...45...

Страница 46: ...7 Parts list and service kits The drawing shows the LKH pump sanitary version 7 3 LKH Product wetted parts If inducer 57 is retrofitted Pump inlet may have to be slightly ground 46...

Страница 47: ...st Pos Qty Denomination 20 2 Nut 21 2 Washer 24 6 Cap nut 24a 6 Washer 25 1 Back plate 26 1 O ring 27 1 Impeller 28 6 Bolt 29 1 Pump casing 36 1 Impeller screw 37 1 Impeller for impeller screw 38 1 O...

Страница 48: ...50 40a 15 52 15 DMSS 13 54 14 LKH 70 85 90 42 42a 41 42 42a 10 44 43 40 FSS 14 15 13 45 42 42a 41 16 17 21 20 14 15 13 10 7 8 4 5b 9 7 8 6 6a 5a 19 18 46 35a 35 1 3 39 31 32 30a 33 34 53 9614 0608_RO...

Страница 49: ...read 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 sa...

Страница 50: ...7 Parts list and service kits The drawing shows the LKH pump sanitary version 7 5 LKH Shaft seal 50...

Страница 51: ...611922090 9611922091 Service kit for single shaft seal SiC SiC Service kit SiC SiC LKH 5 9611922522 9611922523 9611922524 9611922525 Service kit SiC SiC LKH 10 15 9611922546 9611922547 9611922548 9611...

Страница 52: ...11922556 9611922557 Service kit SiC SiC LKH 20 9611922578 9611922579 9611922580 9611922581 Service kit SiC SiC LKH 25 35 45 9611922602 9611922603 9611922604 9611922605 Service kit SiC SiC LKH 40 50 60...

Страница 53: ...9611922227 9611922228 9611922229 Service kit C SiC LKH 40 50 60 9611922234 9611922235 9611922236 9611922237 Service kit C SiC LKH 70 9611922416 9611922417 9611922418 9611922419 Service kit C SiC LKH 8...

Страница 54: ...54...

Страница 55: ...55...

Страница 56: ...It is 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 copi...

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