procedure to follow for lube oil filter cleaning

• Lubricating oil system uses duplex filters where both the filters are in use.
• Filters are cleaned by blow off during operation.
• Blow off one filter at a time.
• Partially block the oil flow to one filter and then increase the flow to normal.
• The oil flows back and cleans the filter element.
• Repeat the same procedure for the other filter.
• Clean the filter elements when not in operation.
• Isolate one side of the filter.
• Open the purge cock of the filter in use and ensure that oil flows through the filter.
• Open the purge cock of the filter which is not in use.
• Open the cover after the oil stops flowing and take out the filter element.
• The element is made of notched wire wound in shape of a cage.
• The notch height depends on the rate of filtration, it is 50 microns.
• Clean the filter element and put it back with the filter housing.