M978 Tanker Maintenance Procedures Instructions (Cent)
(1) Remove eight locknuts (l), screws (2),
flange (3), and gasket (4) from valve
(2) Remove screw (6), lockwasher (7),
washer (8), and handle (9) from valve
Matchmark valve cap and valve
housing before removal.
(3) Remove key (11) from valve
(4) Remove eight screws (12), valve
cap (13), gasket (14), and valve
plug (10) from valve housing (5).
(5) Remove preformed packing (15)
from valve cap (13).
Adhesives, solvents, and sealing
compounds can burn easily, can give
off harmful vapors, and are harmful
to skin and clothing. To 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.
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.
Dry metal parts with compressed air.
Inspect each part for damage.
Replace damaged parts.