TM 10-4930-351-14
UNIT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPLACE SIGHT GAUGE COMPONENTS
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
Cloth, Lint Free (WP 0116 00, Item 4)
(WP 0113 00, Item 1)
Gasket, Sight Gauge (WP 0117 00, Item 9)
Chemical and Oil Protective Gloves
Washer, Lock (WP 0117 00, Item 134)
(WP 0113 00, Item 2)
Pan, Drain (WP 0113 00, Item 2)
Equipment Condition
Goggles (WP 0113 00, Item 2)
Liquid Fuel Filter-Separator defueled
Torque Wrench
(WP 0113 00, Item 2)
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 secure ground.
2.
Depress and latch open the manual vent valve (2) to relieve any pressure from filter vessel (3).
3.
Block up liquid fuel filter separator approximately two inches for ease of access to sight gauge.
4.
Place container close beneath sight gauge (4). When sight gauge (4) is separated from filter vessel (3), the small float ball
(5) may drop out. Use the container to capture the float ball (5) and prevent loss.
5.
Remove the two mounting screws (6), lock washers (7) and flat washers (8) that secure the sight gauge (4) to the filter
vessel (3). Slowly remove the sight gauge body (4), capturing the float ball (5) in the container. Discard lock washers.
6.
Remove and discard the gasket (9) from the sight gauge (4).
0058 00-1
