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Alfa Laval HLSD-2, Instruction Manual, Page: 11 / 16

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Alfa Laval HLSD-2 Instruction Manual Download Page 11

6 Maintenance

Study the instructions carefully and pay special attention to the warnings!

6.1

Maintenance

Cover has to be checked regularly for damage (e.g. gasket, gasket seating, nut / screw and complete swing assembly, hinge,
spring, etc. - Only Alfa Laval recommended spare parts to be used).

We recommend inspection of each cover at least annually against mechanical damage, corrosion and tightness.

11

Summary of Contents for HLSD-2

Page 1: ...TE91K041 First published 08 2012 ESE02264 EN4 2018 02 Original manual Instruction Manual HLSD 2 Circular Access Tank Cover ...

Page 2: ......

Page 3: ...n 7 4 1 Application 7 4 2 Working principle 7 5 Operation 8 5 1 Safety regulations 8 5 2 Components 8 5 3 Weld into position 8 5 4 Assembly 9 5 5 Material lifetime 9 5 6 Closure of cover 9 5 7 Opening of cover 10 5 8 Cleaning 10 6 Maintenance 11 6 1 Maintenance 11 7 Technical and physical data 12 7 1 Standard 12 7 2 Options 12 7 3 Selection table 13 7 4 Certificates 13 8 General information 14 8 1...

Page 4: ...s of the Member States concerning pressure equipment HLSD is constructed according to Merkblätter AD 2000 and approved by TÜV Nord e V app No 0124P042320 intended for pressure vessels in Category IV and Fluids Group 1 and 2 The Manhole Cover is not pressure tested It must be tested as a part of the pressure vessel The person authorised to compile the technical file is the signer of this document G...

Page 5: ...ad the manual before using the cover 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 damage to the cover NOTE Indicates important information to simplify or clarify procedures 2 2 Warning signs General warning 5 ...

Page 6: ...reserve the right to alter or modify any unit specification on any product without prior notice or any obligation The English version of the instruction manual is the original manual We make reservations in regard to possible mistranslations in language versions of the instruction manual In case of doubt the English version of the instruction manual applies 3 2 Intended use The end user should ver...

Page 7: ...he vessel is required HLSD 2 is approved and can be used on pressure vessels according to PED 97 23 EC 4 2 Working principle HLSD 2 is secured in the closed position by swingbolts which together with the seal in the cover ensure complete tightness The cover is attached to the frame by a rigid hinge giving exact location of the cover in the closed position and designed to stop the cover at an angle...

Page 8: ...ontent e g foodstuff must be kept National rules regarding use and test frequency must be followed 5 2 Components Depending of the detailed version of the cover specified by the customer components are attached accordingly Typical components according to drawing Screws complete number according to description Hinge swivelling feature Screwed sight glass circular sight glass Spring assist Limit swi...

Page 9: ... closure of the cover Ensure before closing that the container is not occupied by persons animals or inadmissible objects Ensure before closing the cover that the sealing surface is free from any obstructions i e body parts or equipment as injury or damage can occur Al parts relevant to security and pressure has to be checked visually before closing the cover e g gasket gasket seating screws Cover...

Page 10: ... arrangement should be used when opening the cover e g North South East West where appropriate Opened lid to be set down securely carefully to avoid damage to lid seal if possible use a spring loaded locking pin and to prevent lid falling downwards accidentally causing injury 5 8 Cleaning The complete cover has to be cleaned as per the recommendations of the manufacturer of the container It is the...

Page 11: ...aintenance Cover has to be checked regularly for damage e g gasket gasket seating nut screw and complete swing assembly hinge spring etc Only Alfa Laval recommended spare parts to be used We recommend inspection of each cover at least annually against mechanical damage corrosion and tightness 11 ...

Page 12: ...ion table see page 13 PHYSICAL DATA Materials Product wetted steel parts 1 4404 AISI 316L Other steel parts 1 1401 AIAI 304 Seal EPDM FPM Silicone FEP covered silicone FEP covered FPM PFA covered silicone Standard surface finish 1 6µm inside Ra 0 8µm Temperature Temperature range 10 C to 250 C 7 2 Options A Spring to assist opening B Arrangement for securing cover in open and closed position C Bra...

Page 13: ...8 10 8 7 7 7 7 1 7 0 6 8 14 5 6 500 6 4 2 3 7 3 6 3 4 3 3 9 8 4 500 8 5 7 5 0 4 8 4 6 4 5 10 7 4 500 500 508 10 7 5 6 9 6 6 6 3 6 2 12 0 5 500 6 3 0 2 6 2 5 2 4 2 3 6 9 4 500 8 4 0 3 5 3 3 3 2 3 1 7 7 4 500 10 5 0 4 4 4 2 4 0 3 9 7 7 4 500 12 6 0 5 3 5 0 4 9 4 7 8 8 5 500 600 608 14 7 0 6 1 5 9 5 7 5 4 10 0 5 500 4203 0000 A t E C C S L R F G H Size 200 300 400 450 500 600 mm mm mm mm mm mm A 208 ...

Page 14: ...olding A S Liability and warranty are excluded If advice and instruction of operating instructions are ignored For incorrect operation or for insufficient maintenance of the cover For any kind of change of function of cover without prior written agreement by Alfa Laval Kolding A S If covers are modified by non authorised persons If using the covers without attention of appropriate safety regulatio...

Page 15: ...A S For further information please feel free to contact Alfa Laval Kolding A S 31 Albuen DK 6000 Kolding Denmark Registration number 30938011 Tel switchboard 45 79 32 22 00 Fax switchboard 45 79 32 25 80 www toftejorg com www alfalaval dk info dk alfalaval com Contact details for all countries are continually updated on our websites 15 ...

Page 16: ...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 copied reproduced or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise or for any purpose without the expressed permission of Alfa Laval Corporate AB Alfa Lava...

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