In order to ensure the quality of the installation and improve the efficiency of the installation work, it is necessary to do a good job of all the preparatory work before installation.

1. Familiarize yourself with the design drawings, information, manuals and other technical documents for the installation of Roots fans. Including familiar with the installation drawings of the ventilator body, grasp the structural characteristics of the ventilator; familiar with the ventilation system drawings of the ventilator, understand the working condition of the ventilator in the system; familiar with the acceptance specification of the foundation of the ventilator and its construction, according to the design drawings to check the specification of the ventilator, the form of the rotating direction of the blades or the rotor, the power requirements of the prime mover, the center of the ground bolts holes, the diameter and orientation and the center distance of the flanges of the inlet and outlet, and the center elevation of the main shaft, etc. whether it meets the requirements of the design. The center distance of foot bolt holes, the diameter and center distance of air inlet and outlet flanges, and the center elevation of the main shaft are in accordance with the design requirements.
2. According to the product packing list inventory ventilator accessories, accessories, parts of the specifications, quantity, and then the appearance of the inspection. For example, whether the shell has corrosion, dirt, whether the rotor has deformation and scars, and so on.
3. Problems identified during the inspection, including design, machine, and construction problems, should be resolved immediately or the installation work cannot proceed.
4. Checklist, should be responsible for the custody of a person, small parts with the original boxed for safekeeping, ventilators, electric motors should be set up canopy, the bottom of the product is set up cushion wood, to prevent the product in the open air to prevent or sink in the mud and water.
5. Note that the above should be carried out in conjunction with the authority responsible for the supply of equipment and a detailed record of the checks and verifications should be kept.

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