I taken vibartion reading in our sister concern, the fan plummer reading showing high in NDE vertical direction 9.0 mm/s other direction are in fan side around 4.5mm/s inbetween .at present we dont have vib analyser, only measured in vibro meter. ( it is a overhung fan TYPE - SWSI direct coupled with pin bush coupling.)There is no pervious trend. the fan pedestal plate are also high vib in vertical &horizontal. please give any advice for this issue.