Changsha Roots Blower has many gaps to be adjusted, for example, the debugging of the gear side gap, the gap adjustment between the impeller and the casing, the gap adjustment between the two impellers, the gap adjustment between the two ends of the impeller and the wall plate, and so on and so forth some gap adjustment. Gap adjustment is not an optional thing, a gap error, will lead to fan operation malfunction, fan life shortened and a series of problems. Generally speaking, the Roots blower purchased from Changsha Roots Blower Factory has been adjusted by the senior technicians of Changsha Roots Blower Factory for gap adjustment, and the operation of the blower will be reasonably debugged. The general clearance adjustment problem occurs when the Roots blower is overhauled, and the blower parts are unloaded and reassembled. Generally when encountering this situation, even experienced fan repair masters need to ask the manufacturer the exact parameters. In the absence of technical personnel, you can not deploy their own unauthorized, need to be sent by the manufacturer or ask experienced personnel to adjust the gap.