TM 3-1040-262-13&P
Store the pressure check gage assembly and male
quickdisconnect coupling half in the M254 service kit (fig.
275-27P).
(4) Install one of the straight pipe to tube
(14) Install air cylinder on the frame and
adapters of the M254 service kit in the end of the
compressor charging hose assembly.
(5) Remove the
male
quickdisconnect
NOTE
coupling half from the charging hose assembly of the
M254 service kit and install on the straight pipe to tube
After charging has been completed,
adapter.
and the air cylinder cools, the
(6) Close the bleed valve on the pressure
pressure often drops as much as 200
check gage assembly.
psi. If time allows, the air cylinder
(7) Secure the air cylinder and both ends of
should be "topped off" before use.
the charging hose.
(8) Connect the male quickdisconnect to the
c. 3, 000 psi, 4 CFM, Wheel Mounted
pressure check gage assembly.
Reciprocating Air Compressor.
(9) Turn the grip knob of the pressure check
(1) Remove air cylinder from frame and
gage assembly to open position.
Operate the
compressor in accordance with instructions in the
(2) Connect the pressure check gage
compressor manual and charge the cylinder to 2100 100
assembly (fig. 4-4) onto the nipple assembly of the
psi.
cylinder.
(3) Remove the charging chuck from the end
of
Section VI. AFTER OPERATION SERVICES
tainer. Place the container in its storage container.
4-14. Recovery of Residual CS Dry Agent
i. Decontaminate the transfer tube assembly (para
WARNING
4-16) and return it to
the M254 service kit packing chest
Wear protective mask and rubber gloves when operating
or servicing the disperser with riot control agent. Wear
j. If you have filled the agent container from a
protective hood, if available.
plastic bag you must disconnect the manifold coupler
a. If all of the CS dry agent was not used, return
assembly.
that portion of CS dry agent to the plastic container.
Take the wing nut and the quick-disconnect coupling half
b. Screw the threaded end of the agent transfer
off the agent container.
tube assembly (fig. 4-2) on the neck of the empty plastic
k. Empty the contents of the agent container into a
container.
suitable storage container.
c. Remove the container assembly from the frame
4-14.1 Recovery of Residual CR Liquid Agent.
d. Install the quickdisconnect coupling half end of
the agent transfer tube assembly (fig. 4-2) on the
WARNING
quickdisconnect coupling half of the agent container.
Wear protective mask and rubber gloves
e. Hold the agent container directly above and at
when operating or servicing the
an angle of approximately 450 over the plastic container
disperser with riot control agent. Wear
while keeping the agent transfer tube assembly straight.
protective hood. CR liquid agent causes
f. Tap on or shake the agent container to dislodge
tearing and a painful burning sensation
residual agent.
in the eyes, nose, throat, and skin. It
g. After completing the transfer, disconnect the
can cause difficult breathing. Wash
transfer tube assembly from the agent container.
hands thoroughly before eating or
h. Unscrew the threaded end of the agent transfer
smoking after using CR liquid agent.
tube assembly from the plastic container. Several small
a. If all the CR liquid agent was not used, return the
quantities can be "back-filled" into the same plastic
remaining portion to the metal container.
container until it contains 3 gallons as indicated by
b. Screw the threaded end of the agent transfer
container graduations. When all back fill operations are
tube assembly filling adapter (fig. 4-2) onto the neck of
complete, install cap. Install tape over the plastic cap of
the metal container.
the plastic con-
c. Remove the agent container assembly from the
Change 1 4-9