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TM 10-4930-250-13&P
(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 inche valved unisex coupling (3).
(5)
Remove stop pin (10) and wave washer (11) along with O-ring (12). DiscardO-ring.
(6)
Remove shaft (13) from inside 2 inch valved unisex coupling (3). Remove and discard O-ring (14).
(7)
Remove downsteam 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 unisex
coupling (3).
b. Inspection.
(1)
Inspect all metal parts for dings, gouges, abrasions etc. On all parts except the ball (9), use 320 grit paper to
smooth and remove sharp edges. If ball (9) is damaged (scratched, gouged, etc.) it should be replaced.
(2)
Check the groove (round bottom) in the inlet for burrs on the corners. If groove is worn such that burrs exist, use
320 grit paper to smooth and remove sharp edges.
(3)
Inspect the small spring-loaded continuity ball (26) located in the face of the unit. Push the ball in and be sure that
it pops back into place. Replace entire coupling if continuity ball does not pop back out.
(4)
Inspect screw (5) and handle (8) for damage. If either part is bent, replace it.
Dry cleaning solvent, P-D-680, Type III, is potentially dangerous to personnel and property. Eye and
skin protection is required. Avoid repeated and prolonged skin contact. Wash hands immediately
after exposure. Do not use near open flame or excessive heat. Use only in areas with good ventila-
tion.
Rubber gloves should be worn when handling fueling system componenets due to the toxic effetcs of
some fuel additives and the dry cleaning solvent.
(5)
Make certain all components are clean and free from oil, grease, or dirt. Wash all parts with an approved dry
cleaning solvent and dry thoroughly with a clean, lint-free cloth.
c. Assernbly
NOTE
During assembly, apply a light coat of petrolatum to O-rings before installation.
(1)
If interlock mechanism was removed, install lockout pin (23), spring (24) and screw (22) in 2 inch valved unisex
coupling (2).
5-8
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