2. Pressure drop through a filter with a freshly
tube when required by ramming a clean dry cloth
cleaned element is below three (3) inches (76
through the tube. Wipe the inside of the filter body to
mm) of water with the compressor running at full
remove any dirt falling from the inlet tube before rein-
Ioad - this would indicate a rupture or crack.
stalling the element.
Causes of short element life include: severe dust
Inlet Tube - Inspect the inlet screen and tube for dirt
conditions, infrequent servicing, improper cleaning, or
accumulation each time the filter is serviced. Clean the
contamination by oil or chemical fumes.
13-9/10-641 Page 55
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