TM 9-2320-211-20
2-201. Air Reservoirs
(2) Install the front and rear U-bolts over the
reservoir with the ends inserted in the holes in the
a. Removal.
bracket, and install the two nuts on each U-bolt.
(1) Open the drain cock on the underside of
the lower air reservoir (fig. 2-197) to relieve the
Tighten the nuts.
pressure in the compressed air system.
(3) Install the lower reservoir (fig. 2-197),
using same procedures as in (1) and (2).
(2) After the compressed air has been
exhausted from the system, unscrew the connector
(4) Position the reservoir-to-right-rear trailer
coupling line (fig. 2-197) at the outlet on the top or
securing the air compressor-to-air reservoir line (fig.
upper reservoir, and tighten the connector.
remove the line from the reservoir.
(5) Position the upper-to-lower-reservoir line
(3) Unscrew the connector securing the air
upper reservoir, and tighten the connector.
line tee (fig. 2-197) to the front end of the upper
(6) Position the upper-to-lower-reserve line
reservoir, and remove the tee from the reservoir.
at the outlet on the rear end of the lower reservoir,
(4) Unscrew the connector securing the upper-
and tighten the connector.
to-lower reservoir line (fig. 2-197) to the rear end of
the lower reservoir, and remove the line from the
(7) Position the air line tee (fig. 2-70) at the
outlet on the front end of the upper reservoir, and
reservoir.
tighten the connector.
(8) Position the air compressor-to-air reservoir
line (fig. 2-70) at the inlet on the front end of the
lower reservoir, and tighten the connector.
(9) Close the drain cock on the underside of
the lower air reservoir.
2-202. Hand Control Valve
a. Removal.
(1) Open the drain cock on the underside of
the lower air reservoir (16. fig. 2-188) to relieve the
pressure in the compressed air system.
(2) Unscrew the connector securing the air
supply line to the hand control valve (1.2, fig. 2-
(3) Unscrew the connector securing the trailer
coupling line to the hand control valve (12, fig. 2-
(4) Remove the two nuts, lockwashers, and
clamp from the screws securing the hand control
(5) Unscrew the connector securing the upper-
valve to the steering gear jacket, and remove the
to-lower reservoir line to the underside of the upper
valve from the jacket.
reservoir, and remove the line from the reservoir.
( 5 ) Remove the two screws from the hand
(6) Unscrew t h e c o n n e c t o r securing
the
control valve mounting flange.
reservoir-to-right-rear trailer coupling line (fig. 2-
b. Installation.
(1) Insert the two screws in the holes in the
the line from the reservoir.
hand control valve mounting flange.
(2) Position the hand control valve on the
(7) Support the lower reservoir, remove the
right side of the steering gear jacket and install the
two nuts from the front and rear U-bolts (fig. 2-
clamp, two lockwashers, and nuts on the screws in
197), remove the U-bolts from the reservoir
the hand control valve mounting flange. Tighten
mounting brackets, and remove the lower reservoir
the screw and nuts.
from the vehicle.
(3) Position the trailer coupling line at the
(8) Support the upper reservoir, remove the
outlet on the underside of the hand control valve
two nuts from the front and rear U-bolts (fig. 2-
(12, fig. 2-188), and tighten the connector.
197), remove the U-bolts from the reservoir
(4) Position the air supply line at the inlet on
mounting brackets, and remove the reservoir from
the underside of the hand control valve (12, fig. 2-
the vehicle.
b. Installation.
(5) Close the drain cock on the underside of
(1) Position the upper reservoir (fig. 2-197)
the lower air reservoir.
on the mounting bracket bolted to outside of the
frame left side rail.
