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Original Operating Manual

Before commencing any work, read this instruction carefully! Failure to comply with

these instructions may cause damage and personal injury!

Screw pumps

OptiLine LPE4

Contents

Page

Introduction

Safety

Installation

Start-up

Trouble shooting

Maintenance and Service

Service intervals

List of components

Exploded View/Ordering code

Dismantling and reassembling the pump

Dismantling

Reassembly

Содержание IMO OptiLine LPE4

Страница 1: ...with these instructions may cause damage and personal injury Screw pumps OptiLine LPE4 Contents Page Introduction 2 Safety 2 Installation 5 Start up 8 Trouble shooting 9 Maintenance and Service 12 Service intervals 13 List of components 14 Exploded View Ordering code 15 Dismantling and reassembling the pump 16 Dismantling 17 Reassembly 20 ...

Страница 2: ...is operating manual For example the following are not allowed Hanging pumps in the pipe Overhead installation Installation in the immediate vicinity of extreme heat or cold sources General safety instructions Observe the following regulations before carrying out any work Product safety The pump has been constructed according to the latest technology and recognized technical safety rules Neverthele...

Страница 3: ...If there is no pressure relief valve in the pump Provide an appropriate safety valve on the pressure side between the pump and the first shut off device Warranty Obtain the manufacturer s approval prior to carrying out any modifications repairs or alterations during the warranty period Only use genuine parts or parts that have been approved by the manufacturer Drive system For pumps delivered with...

Страница 4: ...nical devices such as mechanical and digital clocks pocket calculators hard disks Specific hazards Explosion hazard area ATEX additional instructions Hazardous pumped liquids Observe the safety regulations for handling hazardous substances e g hot flammable poisonous or po tentially harmful when handling hazardous pumped liquids Use personal protective equipment when carrying out any work on the p...

Страница 5: ...t of the pump and motor 13 13 All pumps should be lifted with straps securely attached to the pump or pump unit so that the center of gravity is located between the straps in order to avoid tipping of the pump Strainer The pump has to be protected from foreign matters such as weld slag pipe scale etc that could enter the pump via the suction line If the cleanliness of the sys tem cannot be guarant...

Страница 6: ... the suction line should be kept in the range 0 5 1 2 m s For L O circulating systems we recom mend to keep it as low as possible The suction line must be equipped with a port that allows filling the pump before start Discharge line The discharge line should be dimensioned to keep the velocity in the range 1 3 m s Deaeration In installations with negative suction head where the pump might be start...

Страница 7: ...ss can only be tolerated for less than about 3 minutes 50 by pass generally for unlimited periods of time If more than 50 recirculation is anticipated a value specific to each application should be determined by closely monitoring the pump body temperature If the pump is operating in line with a separate pressure control valve see fig 9 the setting of the relief valve should be high enough so as n...

Страница 8: ...ction as indicated by the rotation ar row The arrow is placed on the side of the front cover 5010 as well as on riveted steel plates on the connect ing frame 003 Differential pressure Differential pressures bellow 1 bar is strictly forbidden as the magnetic coupling under these conditions may loose its cooling flow and cause an overheating of the magnetic coupling with a risk of a potential fire a...

Страница 9: ...gnetic coupling to slip The pump is blocked inside the ro tors by a foreign object Lower the viscosity to a maximum approved the viscosity normally used in the pumped liquid and restart the pump by switching it off and on Remove the foreign object from the pump and control the bores and rotors for abnormalities damages Restart the pump by switching it off and on No flow The pump is not primed The ...

Страница 10: ...ge line Drive motor difficult to start or tends to stop by tripping the motor over load relay Counter pressure too high Liquid too cold Motor is undersized for the prevail ing conditions Electrical power supply faulty Motor overload relay set too low or is faulty Incorrect setting of Y D starter See above Pressure too high Readjust the pressure relief valve to a lower value Thus the power consump ...

Страница 11: ...LPE4 2022 03 en GB ID No 163 041 E www imo se 11 ...

Страница 12: ... quality product that is designed for a long problem free operation in tough environ ments As all other mechanical products they do however requires a certain grade of maintenance and service in order to guarantee a faultless and economic favourable operation A recommendation is to go through the pump each 5 year in order to replace wear details such as ball bearings and certain gaskets and o ring...

Страница 13: ...aspects with magnetic couplings Permanent magnetic couplings generate a strong magnetic field The installation must be carried out only by trained staff that has the understanding of how a magnetic coupling acts and all the safety precautions related to it All installation instructions must be strictly followed Modifications or changes to the magnetic cou pling or its components are not to be allo...

Страница 14: ...aining ring 1 X X X 124A Support ring 1 X X X 202 Idler rotor 2 X X 351 Balancing bush 1 X X 401 Pump body 1 418 Gasket 1 X X 1 423 Gasket 1 X X 1 451 Screw 4 453 Screw 4 462 Plug 1 462A Sealing washer 1 X X 463 Plug 1 463A Washer 1 X X 5010 Front cover 1 502 Plug 2 506 Gasket 1 X X 551 Rear cover 1 556 Gasket 1 X X 6000 Compl Valve 1 X 605 O ring 1 X X X 608 Valve spindle 1 X 2 608A Tension pin 1...

Страница 15: ...5 032 038 G012 Rotor set D lead 901193362 K lead 901193360 L lead 901193356 901193358 N lead 901193357 901193359 901193361 G054 Major kit D lead 901193991 K lead 901193992 L lead 901193987 901193989 N lead 901193988 901193990 901193993 G057 Joint kit 901193994 901193994 901193995 G070 Valve element 901189873 901189873 901189873 G098 Magnetic cou pling xKxx 901193370 901193370 xLxx 901193371 901193...

Страница 16: ...3 mm 5 mm E Screw driver F Plier G Oil can Sectional View Tightening Torque table Dismantling and reassembling the pump Tightening torque Nm Pos No Torque 0006A 0007A 9 5 451 40 453 40 462 40 463 40 701 40 702 IEC 80 90 100 132 25 40 703B IEC 80 90 100 132 25 40 998B IEC 80 90 100 132 9 20 40 Loctite 222 998B 006A Fastened with sealant Loctite 222 or similar ...

Страница 17: ... Loosen the nut 701B with a spanner C Pull out the pump in a straight line from the connecting frame together with the magnetic coupling Beware of the magnetic force E Remove the circlip 005A with a suitable plier D Loosen the screws 007A with a allen key Pull out the sealing can 005B Remove the o ring 007B F Remove the inner magnetic rotor by means of a suitable puller 701B 007A 007B 005B 005A ...

Страница 18: ...ts gasket 506 I Pull out the main rotor 1020 from the pump body with hand force K Remove the ball bearing 122 from the main rotor 1020 with a suitable puller J Remove the circlip 124 with a suitable plier from the main rotor 1020 Remove the support washer 124A from the main rotor 1020 L Pull out the idlers 202 from the pump body 113 1020 122 202 124A 124 506 451 5010 ...

Страница 19: ...opening to get correct settings when reassembly N Loosen and remove screw 453 Remove gasket 556 O Remove the relief valve and replace the o ring 605 Reassembly relief valve Q Unscrew the bolts 006A and remove the magnet 005D from the drive hub 998 P Remove bolts 702 and pull out the motor from the connection frame R Release the screw 998B 6120 453 702 556 605 ...

Страница 20: ... screw 998B as per the tightening torque table Lock the screw with sealant Loctite as per the tightening torque table C Mount the magnet 005D onto the drive hub 998 by tightening the bolts 006A Lock the bolts with sealant Loctite as per the tightening torque table A Press the drive hub 998 on to the shaft by means of a suitable stud bolt with a washer and nut Reassembly D Mount the electrical moto...

Страница 21: ...magnet 005C onto the shaft by using a stud bolt M6 with a suitable washer and nut press the inner magnet into its final position by using hand force or distance ring F Mount the washer 124A and the circlip 124 onto the main rotor 1020 Mount the key 113 in its groove H Mount the frontcover 5010 and the gasket 506 and tight the bolts with the correct torque which can be found in Tighten Torque table...

Страница 22: ...ubricate thoroughly Note shall always be pointing downwards O Mount the pump into the connection frame in a straight line P Tighten the bolts 701 according to Tightening Torque table L Mount the idlers 202 into the pump body after thoroughly lubricating them N Mount the back cover 551 together with the valve 6000 and gasket 556 Tight the bolts Tight the bolts 453 with the correct torque that can b...

Страница 23: ...LPE4 2022 03 en GB ID No 163 041 E www imo se 23 ...

Страница 24: ...LPE4 2022 03 en GB ID No 163 041 E www imo se 24 Adress IMO AB PO Box 42090 126 14 Stockholm Sweden ...

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