ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPLACE COALESCER ELEMENTS AND SEPARATOR ELEMENT
This procedure is performed when the reading observed on the differential pressure gauge during operation reaches or
exceeds fifteen psi, or when the liquid fuel filter-separator is to be used with a different type of pumpage. (Coalescer
elements should be dedicated to one type of pumpage [e.g., JP-8 only]). Used elements should be handled with rubber gloves
due to the toxic effects of some fuel additives. New elements should be handled with clean rubber gloves or the packing bag
to avoid hand contact with the element surface. Soiled hands - even normal skin oils - may contaminate the filter element and
render it ineffective.
Tool Kit, General Mechanics
Chemical and Oil protective gloves
Death or personal injury may result from the explosion of fuel fumes exposed to an
open flame or spark, or to static discharge. Do not permit smoking, any open flame,
or spark producing equipment within fifty (50) feet of the liquid fuel filter-
separator. Ensure all equipments are well grounded prior to commencing any
operation or maintenance task.
Rubber gloves should be worn when handling refueling system components due to
the toxic effects of some fuel additives.
Even with the liquid fuel filter-separator defueled, some fuel will have accumulated in the
REMOVAL (Figure 1)
Remove four nuts (1), lock washers (2) and element retainer (3). Discard the lock washers.
Remove the nut (4), flat washer (5) and rubber washer (6) that secure the separator element (7) to threaded retaining rod
(8). Discard the rubber washer.
Remove the separator element (7) and set aside for cleaning and re-use.
Remove the three coalescer elements (9) and dispose of in accordance with local SOP.