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 Figure 5-135. Remote control lever release.
(b) Remove ring nut coupling that secures
2. Remove mounting hardware, then lift
discharge control head to cylinder valve.
siren from frame.
(c) Lift control head from cylinder valve.
3. Position new siren on frame, and
(d) Unscrew flexible hose that connects
secure with mounting hardware.
control head to discharge lines from control head.
(e) Remove hardware securing cylinder to
5. Remove test air line, then connect CO2
mounting rack then lift cylinder from rack.
line to siren.
(f) Remove remaining cylinders in a
(4) Pull box (activator). Replace a broken glass in
similar manner. Remove pipe and fittings as required.
pull box (after use) as follows:
(2) Installation. Install cylinders by reversing the
(a) Remove the two cover screws and
removal procedures in (1) above.
lower cover.
(3) Siren (warning).
(b) Scrape old glass from frame and clean
(a) Test siren (para. 2-19).
grooves.
(b) Remove and replace a defective siren
(c) Install new glass in cover and secure in
as follows:
place, then lift cover to proper position, and secure with the
1. Disconnect CO2 line from siren.
two cover screws.
Section XIV. RADIO TELEPHONE SYSTEM
5-107. General
5-108. Radio Telephone System
The AN/SRC-32 is a Marine Radio Set similar to the Raytheon
The inspection, test, repair, operation, and maintenance of the
Model RAY-75A-3C marine radio telephone. This set provides
AN/SRC-32 Marine Radio Set is covered in TM 11-5826-689-
AM communications within the frequency limits of 2,000 KHz
15.
thru 6,000 KHz on 10 crystal controlled channels.
Section XV. WHISTLE/ HORN SYSTEM
house to the lever of the pilot valve at whistle. Air is stored in
5-109. General
a 5 cubic foot tank, with pressure established at 110 psi. The
The tug is equipped with an air whistle, and an electrically
electric whistle/horn is controlled by a switch from the pilot
operated whistle/horn, both mounted on mast (fig. 5-136).
house.
The air whistle is operated by a lanyard running from pilot
5-195
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