Serviceable Limits (Bladder-Type Cells)-cont

TM 1-1500-204-23-3 Table 2-6. Serviceable Limits (Bladder-Type Cells) Condition Limit Fittings-continued O-Ring Fittings: Sealing surface without groove: Scratches within sealing area. Not acceptable. Burrs on mating surface. Not acceptable. Corrosion or rust. Not acceptable. Sealing surface with grooves: 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 and/or damaged dome Not acceptable. nuts. Elongated or torn holes in fitting areas of cell Acceptable provided the elongation of tear using removable two-piece metal corn- does not extend beyond the outer or inner pression fittings. sealing groove of the inner ring, or over one- half the distance to the next hole. 1 Inspect previously repaired areas. 2 Check for cracks, scuffs or nicks. 3 Check for indications of air bubbles and shrinkage. WARNING When using air pressure, be extremely careful. Do not blow stream of air toward yourself or any other person. Users of air pressure and personnel within the immediate area shall wear safety glasses, goggles, or face shield. Ear protection may be required. Pressure will not exceed 30 psig. Dirt and small particles may be blown about, possibly causing injury to personnel. 2-18