4.4. Welding .................... 5. Special precautions regarding the LKD 440X320 ..........5.1. Installation ..................6. Maintenance ................... 6.1. Maintenance ..................7. General information ................... 7.1. Service and repair ................7.2. Warranty ................... 7.3. How to contact Alfa Laval Kolding A/S ............
1 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. Always read the manual before using the cover! 1.1 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.
2.1 Introduction The Alfa Laval manway doors and manhole covers do not come within the definition of pressure equipments of the article 1.2.1, and are, therefore, not marked CE, ref. Guideline 1/22 of the PED Guideline approved by the WPG 29-06-2002.
Do not apply any loads to the manhole or cause stress by vibrations. Use only the components (frame, lid, bolts, arms) provided by Alfa Laval. The Alfa Laval products are individually fitted. The manway door/manhole cover is delivered complete and assembled by qualified personnel;...
4 Operation Study the instructions carefully and pay special attention to the warnings! 4.1 Closing and tightening Warning: The service personnel are responsible for the secure closing of the manway door/manhole cover. 1. Before closing it must be verified that the contact surface of the gasket is clean and without any external objects that can damage its good condition.
4 Operation Study the instructions carefully and pay special attention to the warnings! 4.4 Welding 1. The weld between frame of the manway door/manhole cover and the tank must be preceded by an accurate preparation of the edges to be welded, and by a perfect adaptation. 2.
5 Special precautions regarding the LKD 440X320 Study the instructions carefully and pay special attention to the warnings! 5.1 Installation Oval Cover Type LKD 400 x 320 In order to obtain a perfect seal and a good function of our manhole cover it is essential that the welding of the casing is carried out carefully and correctly.
6 Maintenance Study the instructions carefully and pay special attention to the warnings! 6.1 Maintenance 1. Periodically check the condition of the gasket, wash it and carefully dry it. Replace if necessary. 2. The process of control and periodic washing is also valid for the seat of the gasket on the cover. 3.
Study the instructions carefully and pay special attention to the warnings! 7.1 Service and repair Upon every return of a product, no matter if for modifications or repair, it is necessary to contact your local Alfa Laval office to guarantee a quick execution of your request.
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