M978 Tanker Maintenance
122-20. VI 3 VENT VALVE REPAIR (CONT). I
Procedures Instructions (Cent)
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. lb avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
(1) Clean all metal parts with dry cleaning solvent.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use
only with effective chip guarding and personal protective equipment, goggles,
shield, and gloves.
(2) Dry metal parts with compressed air.
(3) Inspect all parts for damage.
(4) Replace damaged parts.
Position poppet (1) on valve body (2).
Lubricate preformed packing (3) with oil and install
on shaft (4).
Install shaft (4) in poppet (l).
Position slotted washer (5) on shaft (4) and install
Install poppet cover (7) on poppet (1) with three