4-82. EMERGENCY VALVE MAINTENANCE (Con't).
c. CLEANING AND INSPECTION
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protec-
tive goggles, face shield, and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and clothes and DO NOT breathe
vapors. DO NOT use near open flame or excessive heat. The solvent's
flash point is 100oF-138F (38 C - 59 C). If you become dizzy while using
cleaning solvent, immediately get fresh air and medical help. If solvent
contacts eyes, immediately wash your eyes with water and get medical
Compressed air used for drying purposes must not exceed 30 psi
(207 kPa). Wear protective clothing (goggles, face shield, and gloves)
and use caution to avoid injury to personnel.
Clean all removed metal components with dry cleaning solvent and dry with compressed air.
Inspect all removed components for bends, cracks, and sharp edges. Inspect for damaged
threads. Replace all damaged components.
Inspect coupling gasket. If coupling gasket is damaged, replace.
All male threads of fittings should be coated with antiseize tape if not al-
ready factory-coated with an antiseize compound.
If removed, install bushing (55) to elbow (42).
Install new preformed packings (61 and 63) in gland (62).
Apply grease to shaft (56) and install through gland (62).
Position cam (64) inside elbow (42) and install shaft (56). Tighten gland (62).
If removed, install link (60) in lever (44) with spring pin (59).
Install lever (44) on shaft (56) with screw (57) and nut (58).