Title: Instructions manual - THGT fan.pdf
This may be particularly useful for ATEX Zone 1 and 21, Equipment Category 2G and 2D, where the risk is greater than Zone 2 or 22, Equipment Category 3G and 3D.Guidance to vibration action levels is provided in Annex 4: Table of vibration levels. Further guidance may be found in ISO 14694 Industrial fans – Specifications for balance quality and vibration levels.6.4 Re-lubrication of motor bearings, where applicable, should be carried out in accordance with specific motor Instructions provided.In absence of any specific guidance the amount of grease consumed, and therefore the amount to be added during re-lubrication can be calculated using:- (g / h) = 0.005 x D x BWhere:g = quantity of grease (grams) h = hours of operation (hours) D = external Diameter of bearing (mm) B = total width of Bearing (mm)Warning: Do not mix different types of grease. Warning: Grease can cause skin irritation, eye inflammation. Follow safety procedure.