The gas that installation place is isolated from without serious effect manostat, vapour, chemical deposit, dirt, bilge and other are volatile with aggressivity medium, do not have serious vibration or bump.
According to different use environment, safeguard cycle to have bigger difference, but the longest cycle should not exceed half an year, safeguard a project to have:
① sweeps manostat thoroughly departmental cent, make do not keep dirt, dirt, especially brush, the bare part of voltage regulator (slideway) wear a face, use burnish of fine sand paper bright and clean, part of each mechanical movement is essential add lubricating oil, made position is good;
② changes wear away serious brush;
③ discovers breakdown hidden trouble is handled in time;
④ adjusts the degree of tightness of chain.