TM 3-1040-262-13&P
(5) Screw the stem (22) into the trigger handle
all the threads on the spring screw (38).
guide (30). Insert the inlet body (23) in the handle body
d. Test. Test fire the disperser to ensure correct
assembly (31).
operation of the gun.
(6) Screw the hexagon plain nut (33) up finger
4-18.Nonmetallic Hose Assembly (Discharge Hose)
tight. Check the alinement of the marks of the original
a. Maintenance. Maintenance on the nonmetallic
position (b(l) above). Hold the alinement and tighten the
hose assembly is limited to replacement of the
hexagon plain nut (33).
preformed packings and replacement of the entire hose
(7) Place the gasket (19) in the inlet body
assembly.
(23).
b. Preformed Packing Replacement The preformed
Hold the gun in a vertical position (with the stem pointing
packings are located inside the quick-disconnect
upward)to keep the gasket seated in the inlet body.
coupling halves on both ends of the discharge hose. If
Screw the nozzle housing and tubing assembly (18) on
replacement is required, install a new preformed packing
the inlet body (23) wrench tight.
with the open side down. Make sure the new preformed
(8) Inspect the gasket (17) and install the jet
packing is in its groove.
spray unit on the nozzle housing and tubing assembly
(18).
(9) For storage, release the trigger and run
adjust nut stop (40) forward until the adjust nut stop
covers
Section VIII. COMPRESSED GAS CYLINDER (AGENT CONTAINER ASSEMBLY) GROUP
damaged or loose.
4-19. General
(4) Inspect the agent container and the wing
Organizational maintenance personnel are authorized to
nut for damaged threads.
replace the wing nut, preformed packing, quick-
(5) Inspect the agent container neck to see
disconnect coupling half and the entire agent container
that it is not damaged.
assembly.
(6) Inspect the quick-disconnect coupling half
4-20. Agent Container Assembly
for damage.
a. Disassembly.
b. Reassembly.
(1) Unscrew the wing nut from the neck of the
Assembly of the agent container is reverse of the
agent container. (fig. 1-3).
disassembly procedure (a above). If the agent container
(2) Pull the quick-disconnect coupling half out
is damaged, the entire assembly must be replaced.
of the neck of the agent container.
(3) Inspect the preformed packing to see if it
is
Section IX. AIR PRESSURE ASSEMBLY GROUP
Installation procedure is the reverse of removal
4-21. Regulator Assembly
procedure.
Organizational maintenance personnel are authorized to
c. Pressure Regulator.
replace the safety relief valve, preformed packing, and
(1) Removal.
the pressure regulator.
(a) Disconnect the quick-disconnect
NOTE
coupling half (female) (8, Fig 1-4) from the quick-
Tape, antiseize (Item 6, App F) must
disconnect coupling half (male) (7).
be used on all threaded connections.
(b) Unscrew the nonmetallic hose
a. Safety Relief Valve.
assembly (high pressure) (2) from the tube to boss
(1) Unscrew the damaged safety relief valve
straight adapter (3).
(5, Fig. 1-4) from the pressure regulator.
(c) Remove the two screws (13, Fig 1-
(2) Obtain a new safety relief valve.
(3) Screw the new safety relief valve into the
frame and harness assembly (2).
pressure regulator and tighten it wrench tight.
(2) Installation.
b. Preformed Packing.
Installation procedure for the pressure regulator is the
(1) Removal
reverse of removal procedure.
(a) Unscrew the nonmetallic hose
4-22.
Coupler Assembly and Nonmetallic Hose
assembly (high pressure) (2, Fig 1-4) from the tube to
Assembly
boss straight adapter (3).
Organizational maintenance personnel are authorized to
(b) Unscrew the adapter (3) from the
replace the coupler assembly and nonmetallic hose
pressure regulator (4).
assembly (high pressure).
(c) Inspect the preformed packing on
the adapter. Replace, if damaged.
(2) Installation.
4-12
