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Alfa Laval LKHex-10, Инструкция по эксплуатации

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Alfa Laval LKHex-10 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.

5.5

Adjustment of shaft (LKHex-10 to -70)

Step 1
1. Loosen screws (6).
2. Pull off stub shaft (7) together with compression rings (5a, 5b).

3001-0039

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 10-20mm (0.39-0.78 inch).

3001-0040

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.

3001-0041

Step 4
1. For a double mechanical shaft seal: Fit drive ring (52) on

stub shaft (7).

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

3001-0042

Step 5
1. Fit impeller (27) on stub shaft (7).
2. Ensure that the clearance between the impeller and back plate

(25) is correct: 0.5mm (0.02 inch) for LKHex-10-60 and 1.0mm
(0.04 inch) for LKHex-70.

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

on the motor shaft.

3001-0043

LKHex 10-60 = 0.5 mm (0.02 inch)
LKHex 70 = 1.0 mm (0.04 inch)

29

 PH: 403.720.0999

Содержание LKHex-10

Страница 1: ...3001 0002 ESE02224 EN8 2015 01 Original manual Instruction Manual LKHex Centrifugal Pump 5520 53rd Street SE Calgary AB T2C 4P2 PH 403 720 0999...

Страница 2: ...PH 403 720 0999...

Страница 3: ...16 4 3 Operation Control 17 4 4 Trouble shooting 19 4 5 Recommended cleaning 20 5 Maintenance 21 5 1 General maintenance 21 5 2 Dismantling of pump shaft seals 23 5 3 Assembly of pump single shaft se...

Страница 4: ...mperature class T4 or T3 The following harmonised standards and regulations have been applied for non electrical equipment for potentially explosive atmospheres EN 13463 1 2009 Basic mothod and requir...

Страница 5: ...trical voltage Caustic agents ATEX Directive 94 9 EC The ATEX Directive 94 9 EC covers equipment and protective systems that will be used in areas endangered by potentially explosive atmospheres creat...

Страница 6: ...Category and temperature class Available motors Marking of pump unit Available elastomers Temperature range of processed fluid Exd IIB T4 II 2 G c b Exd IIB T4 NBR 10 C to 80 C II 2 G T4 Exd IIB T4 II...

Страница 7: ...without impeller screw Always remove the impeller before checking the direction of rotation Never start the pump if the impeller is fitted and the pump casing is removed Pump with Impeller screw Neve...

Страница 8: ...ghly See chapter 6 Technical data Never service the pump when it is hot Never service the pump if pressurised Always use Alfa Laval genuine spare parts Motors with grease nipples Remember lubrication...

Страница 9: ...n not installed in the process line Check the delivery for 1 Complete pump 2 Delivery note 3 Motor instructions 4 Test certificate IF ORDERED Step 2 Remove any packing materials from the inlet and out...

Страница 10: ...Always use ATEX compliant installation material Always use a lifting crane when handling the pump Always have the pump electrically connected by authorised personnel see the motor instructions The pu...

Страница 11: ...4 1 Ensure that the pipelines are routed correctly 2 Ensure that the connections are tight Remember seal rings 3001 0007 Few bends Correct Step 5 Avoid stressing the pump Pay special attention to Vibr...

Страница 12: ...and the pump casing is removed 1 LKHex 10 60 Remove cap nuts 24 washers 24a and pump casing 29 2 Remove impeller 27 see also instruction in section 5 3 Assembly of pump single shaft seal 3001 0009 Ste...

Страница 13: ...rotation of the impeller before operation See the indication label on the pump 3 4 Pre use check with impeller screw Never start in the wrong direction of rotation with liquid in the pump 1 Start and...

Страница 14: ...lant 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 Worn out...

Страница 15: ...erature pressure or motor load should be monitored Motor In order to prevent the motor from overheating continuous monitoring is recommended Daily checks Shaft seal SSS and DMS If leakage from the sha...

Страница 16: ...rmation about the mechanical shaft seals can be found in chapter 6 Technical data Single shaft seal SSS The SSS is lubricated and cooled by the processed media It is therefore important to pay special...

Страница 17: ...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 sterilising Danger of burns...

Страница 18: ...dry 3001 0016 Step 5 Double mechanical shaft seal 1 Connect the inlet of the flushing liquid correctly 2 Read instructions in chapter 4 2 Operating parameters 3 Regulate the water supply correctly O O...

Страница 19: ...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 tempe...

Страница 20: ...ater 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 15...

Страница 21: ...TE All scrap must be stored disposed in accordance with current rules directives Step 2 Never service the pump when it is hot Danger of burns 3001 0014 Step 3 Never service the pump with pump if ppres...

Страница 22: ...tion 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 inspec...

Страница 23: ...ove washers 24a and pump casing 29 3001 0020_1 Step 2 Double mechanical shaft seal Unscrew tubes 42 using a spanner 3001 0021 Step 3 Remove screw 23 and safety guard 22 3001 0022 Step 4 1 Remove impel...

Страница 24: ...thread Step 7 Double mechanical shaft seal 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 L...

Страница 25: ...ring 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 3001 0031 Step 3 Fit the complete shaft seal on stub shaft...

Страница 26: ...ler hub with silicone grease or oil 3 Screw the impeller onto stub shaft 7 4 Fit impeller screw 39 and tighten if used Tightening torque for impeller screw LKHex 10 60 20 Nm 15 lbf ft LKHex 70 50 Nm 3...

Страница 27: ...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 the rotating seal rings Only L...

Страница 28: ...er hub with silicone grease or oil 3 Screw impeller 27 onto stub shaft 7 4 Fit impeller screw 36 and tighten if used LKHex 10 60 20 Nm 15 lbf ft LKHex 70 50 Nm 37 lbf ft 3001 0036 Step 8 1 Screw tubes...

Страница 29: ...r flange is 10 20mm 0 39 0 78 inch 3001 0040 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 3001 0041 Step 4 1 For a do...

Страница 30: ...and service kits section Lubricate the rubber seals before fitting them Relates to the shaft seal Step 6 1 Remove impeller 27 back plate 25 and drive ring 52 2 Tighten screws 6 evenly to 15 Nm 11 lbf...

Страница 31: ...pump Materials Product wetted steel parts AISI 316L Other steel parts Stainless steel Finish Semi bright Product wetted seals EPDM standard Other O rings EPDM standard Alternative seals Nitrile NBR f...

Страница 32: ...anical shaft seal should be used together with an additional auxiliary support system There are two basic types of support system a buffer fluid system having a pressure lower than the process pressur...

Страница 33: ...Nm lbf ft M8 20 14 8 M10 40 29 5 M12 67 49 0 M14 110 81 0 6 4 Weight kg Pump Type LKHex 90 100 112 132 160 180 200 250 Size 1 5kW 2 2kW 3kW 4kW 5 5kW 7 5kW 11kW 15kW 18 5kW 22kW 30kW 37kW 45kW 55kW 75...

Страница 34: ...traPure LKH Evap and LKHex The above SolidC noise levels are the same for SolidC UltraPure The noise measurements are carried out using the original motor and shroud at the approximate Best Efficiency...

Страница 35: ...85 Permanently lubricated 2 2 Permanently lubricated 2 5 Permanently lubricated 3 0 Permanently lubricated 3 3 Permanently lubricated 4 0 Permanently lubricated 4 6 Permanently lubricated 5 5 Permanen...

Страница 36: ...nsure correct spares 7 1 Drawing LKHex 10 15 20 25 35 40 45 50 60 70 sanitary version TD 200 133_1 3001 0049_1 TD 239 008_1 3001 0052_1 Impeller screw Fitting of legs Fitting of back plate Exe 36 58 k...

Страница 37: ...37 PH 403 720 0999...

Страница 38: ...ordering spare parts to ensure correct spares 7 2 LKHex Wet end LKH 10 70 15 15 14 52 51 50 40a 42 14 54 13 41 42 42a 42a 44 LKHex 70 2 3 19 18 55 35a 35 31 32 30a 33 3001 0054 30b 53 34 1 46 9 5b 7 8...

Страница 39: ...e when ordering spare parts to ensure correct spares Parts list Pos Qty Denomination 20 2 Nut 21 2 Washer 24 6 Cap nut 24a 6 Washer 25 1 Back plate shot blast Ra 1 6 26 1 O ring 27 1 Impeller shot bla...

Страница 40: ...g spare parts to ensure correct spares 7 3 LKHex Motor dependent parts LKH 10 70 15 15 14 52 51 50 40a 42 14 54 13 41 42 42a 42a 44 LKHex 70 2 3 19 18 55 35a 35 31 32 30a 33 3001 0054 30b 53 34 1 46 9...

Страница 41: ...and retaining 1 1 Motor 2 1 Shroud 3 4 Screw 5a 1 Compression ring 5b 1 Compression ring 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...

Страница 42: ...version Always use Alfa Laval genuine spare parts Always refer to the pump serial no on the name plate when ordering spare parts to ensure correct spares 7 4 LKHex Shaft seal Single shaft seal Double...

Страница 43: ...35 45 9611927109 N A 9611927113 9611927117 Service kit SiC SiC LKH 40 50 60 9611927110 N A 9611927114 9611927118 Service kit for single shaft seal and impeller screw C SiC Service kit C SiC LKH 10 15...

Страница 44: ...C SiC LKH 20 9611922218 9611922219 9611922220 9611922221 Service kit C SiC LKH 25 35 45 9611922226 9611922227 9611922228 9611922229 Service kit C SiC LKH 40 50 60 9611922234 9611922235 9611922236 961...

Страница 45: ...45 PH 403 720 0999...

Страница 46: ...sponsibility 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 reproduce...

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