Roots fan overhaul before there are some preparations is necessary for you to understand, about these preparations Roots fan editor to take you to understand.
1, according to the fault analysis of the blower, to determine the parts and scope of the overhaul, and prepare the parts that may need to be replaced, in order to avoid operational blindness, and strive to be simple and reasonable, so that the overhaul of the overhaul, do not have to dismantle the demolition of the non-disassembly.
2. Prepare suitable overhaul tools and gauges according to the construction of the parts. For gears. Couplings and pulleys, etc., should be used to dismantle the special wheel splitter (commonly known as pulling the horse). For bolts, nuts and other parts, should choose the appropriate specification wrench for disassembly or fastening. This not only improves the overhaul efficiency, but also helps to ensure the quality of the overhaul.
3、According to the quality condition of the blower, formulate the overhaul program, including the main parts of the repair process and assembly methods. And according to the actual conditions of the site conditions or commissioned repair, estimate the repair accuracy that can be achieved after repair, put forward the corresponding technical requirements and quality standards.
4, the implementation of safety measures. Before the start of maintenance, should be in the electrical technicians with the cooperation of the relevant process to cut off the power supply, hanging “prohibit stop closing” sign, and designate a person to manage. For the delivery of gas or other flammable, explosive, hazardous gases blower, before overhauling the pipeline near the blower gate valve shut down, if necessary, should be blocked on the blind.