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I have used the AutoCAD raster editor a long time ago. The raster format is a bit map the more resolution the easier it is to work with. The text can be virtually illegible if it is too coarse. Typically you work on the drawing only as needed. To do a change you only convert portions of the...

Most stuffing boxes leak slightly when operating. The film of water provides lubrication. The trick is to minimize the leakage 1 to 2 drops per minute is typical. One of the problems is that if the are too tight the packing can wear very quickly or even damage the shaft. I have a British...

Is this a new problem or has it existed for some time? If the problem is recent I would look for changes. Something as simple as debris building up on the fan blades could cause a vibration.