TM 10-4930-351-14
DIRECT SUPPORT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPAIR TWO-INCH VALVED UNISEX COUPLING
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
320 Grit Paper (WP 0116 00, Item 1)
(WP 0113 00, Item 1)
Cloth, Lint Free (WP 0116 00, Item 4)
Chemical and Oil Protective Gloves
Dry Cleaning Solvent (WP 0116 00, Item 13)
(WP 0113 00, Item 2)
Petrolatum (WP 0116 00, Item 20)
Goggles (WP 0113 00, Item 2)
Seal (WP 0117 00, Item 18)
O-Ring (WP 0117 00, Item 104)
O-Ring (WP 0117 00, Item 113)
Equipment Condition
Coupling removed from inlet
WARNING
Rubber gloves should be worn when handling fuel system components due to toxic effects of
some additives.
NOTE
Inspect the coupling components as they are disassembled. Repair is limited to replacement of
unserviceable components discovered during disassembly. Removed O-rings and seals shall be
replaced.
DISASSEMBLY
1.
Place handle assembly (1) in closed position and remove dust cap (2) from 2 inch valved unisex coupling (3).
2.
Remove screws (4) from handle assembly (1). Remove handle assembly (1).
3.
If necessary to disassemble handle assembly (1), remove screw (5), spring (6) and grip (7) from handle (8).
4.
Remove ball (9) from 2 inch valved unisex coupling (3).
5.
Remove stop pin (10) and wave washer (11) along with O-ring (12). Discard O-ring.
6.
Remove shaft (13) from inside 2 inch valved unisex coupling (3). Remove and discard O-ring (14).
7.
Remove and discard downstream seal (15) and O-ring (16) from 2 inch valved unisex coupling (3).
8.
If the dust cap (2) or attaching cable (17) is to be replaced, cut the cable (17).
9.
Remove bumper (18) only if it is to be replaced or it is necessary to remove lugs (19 or 20).
10. To remove lugs (19 or 20), remove screws (21).
11. If interlock mechanism removal is necessary, remove screw (22), lockout pin (23) and spring (24).
12. If cable (17) is to be removed from 2 inch valved unisex coupling (3) remove split ring (25) from 2 inch valved unisex
coupling (3).
0099 00-1
