TM 9-2330-357-14&P
any buildup of grease, dirt, or dust on air coupling
(1).
thoroughly clean air coupling (1), and allow to dry.
3-9. SERVICING AIR RESERVOIR.
a. Disconnect air lines
from
semitrailer
air
b. Pull air reservoir drain handle (1) to release air
pressure and allow moisture to drain completely.
c. Release air reservoir drain handle (1).
d. Connect
air
lines
to
semitrailer
air
e. Allow tractor truck brakes to pressurize brake
are permissible.
TA70634
3-12