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TM 10-4930-247-13&P
4-14. NON-VALVED DRY BREAK COUPLING REPAIR - cont.
b.
Cleaning.
WARNING
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 ventilation.
Using wiping rags and cleaning solvent, remove dirt and contaminants from all components.
c.
Inspection. Refer to figure 4-3.
(1)
Inspect body (11) for cracks, scratched or damaged sealing surfaces, damaged locking lugs and corrosion.
(2)
Inspect dust cap (2) for cracks and damaged or missing locking lugs.
(3)
Inspect retainer pin (4) for cracks, wear and scoring.
d.
Repair. Replace damaged or defective components. Replace all seals.
e.
Assembly. Refer to figure 4-3.
NOTE
Ensure that all parts identified as mandatory replacement parts are discarded and
replaced with new components.
(1)
Apply a light coat of silicone compound to seals (1 and 7) and preformed packings (9 and 13).
(2)
Install preformed packing (13) on fitting (14).
(3)
Install spring (12) and body (11) on fitting (14).
(4)
Position body (11) so that opening for balls (10) is pointing up.
(5)
While pressing body (11) onto fitting (14), install 41 balls (10) into body. Turn body back and forth to aid ball
installation.
(6)
Install preformed packing (9) on screw (8). Install screw in body (11).
(6A)
(Model HTARS101 Single Point Refueling Nozzle) Install screen (7B) and retaining ring (7A) in body (11).
(7)
Install seal (7) in seat on body (11).
(8)
Install bumper (6) on body (11).
(9)
Install retainer pin (4) and spring (5) on body (11).
(10)
Connect wire ring (3) to end of retainer pin (4).
4-14 Change 4
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