TM 10-4930-351-14
UNIT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPLACE FILTER SEPARATOR MANUAL VENT VALVE
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
Chemical and Oil Protective Gloves
Equipment Condition
Liquid Fuel Filter-Separator defueled
WARNING
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 fueling system components due to the
toxic effects of some fuel additives.
Serious eye and skin injury could occur from venting of fuel when manual vent
valve is opened. Wear suitable protective clothing and eye protection.
NOTE
Even with the liquid fuel filter-separator defueled, some fuel will have accumulated in the
REMOVAL
1.
Connect the liquid fuel filter-separator grounding cable (1) to a ground rod.
2.
Depress and latch open the manual vent valve (2) to relieve any pressure from filter vessel (3).
3.
Remove manual vent valve (2) from filter vessel (3).
INSTALLATION
1.
Apply a light, even coat of thread sealant to the threads on the manual vent valve (2). Clean off any thread sealant from
below the threaded area. Thread sealant or any foreign material on the bottom end of the manual vent valve (2) may clog
the manual vent valve (2) and prevent it from operating properly.
2.
Install the manual vent valve (2) in the filter vessel boss (4).
3.
Close the manual vent valve (2).
4.
Disconnect grounding cable (1) and place in stowage location.
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