Serviceable Limits (Self-Sealing Cells) -cont

TM 1-1500-204-23-3 Table 2-5. Serviceable Limits (Self-Sealing Cells)-CONT Condition Limit Fittings-continued Damage of protective coating. Acceptable. Corrosion or rust. Not acceptable. Sealing surface with groove: Minor surface damage outside O-ring groove Acceptable. other than rust, corrosion, or burrs. Physical damage to O-ring groove. Not acceptable. Corrosion or rust. Not acceptable. Cement or other foreign matter in O-ring Not acceptable. groove. Bent or broken fittings. Not acceptable. Thread damaged fittings. Acceptable when serviceability is not affected. Table 2-6. Serviceable Limits (Bladder-Type Cells) Condition Limit Cell Interior Loose liner at throat of fitting. Looseness of 1/2 inch in width around entire circumference at throat of fitting. Loose liner lap. Maximum edge width looseness of 1/4-inch liner lap and full length of lap provided 1-inch bond is maintained. Edge looseness on liner reinforcement and Maximum allowable looseness of 1/2 inch chafing patches. provided this looseness does not exceed 15 percent of total area: Blisters or separations other than in edge area allowable up to 15 percent of total area. Looseness of cemented internal support Acceptable up to 15 percent of component components such as attaching straps, baffle area provided 1/4-inch bond is maintained supports, and such. around edge. Blisters between fitting flange and adjacent Maximum dimension of 1/4 inch; maximum one ply. per fitting provided 1-inch bond is maintained. 2-15