Figure 12-33.--Hydraulic filter assembly incorporating differential pressure indicator.
must be carefully handled to protect it from
visually inspected. An excessive amount of particulate
contamination and mechanical damage.
on its surface, as determined from experience, may be
indicative of upstream component failure and the need
5. The replacement element is installed in reverse
order of its removal. In most instances, the element is
for investigation. Check the solid end of filter element
inserted up into the head, employing a gentle twisting
for "Disposable" markings. If the filter element is
motion. O-ring seals located in the head, or sometimes
disposable, it should be discarded. If the filter element
in the element itself, prevent fluid from flowing around
is not disposable, it should be cleaned and handled
the element. It is important that these seals be inspected
carefully.
and replaced, if required, in accordance with the
applicable MIM.
4. The replacement filter element should not be
removed from its protective packing until just prior to
6. Prior to installation of the cleaned filter bowl,
installation. Once removed from packing, the element
the bowl is first filled with new filtered hydraulic fluid to
12-33
