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TM 5-4210-233-14&P-1
4-91. MECHANICAL SIREN
This task covers:
a.
Removal
c.
Follow-on Maintenance
b.
Installation
TOOLS REQUIRED
EQUIPMENT CONDITION
Tool Kit, General Mechanics, Automotive
Main Engine Shutdown (see para 2-12.)
(Appendix B, Section III, Item 1)
APU Shutdown (see para 2-16.)
Batteries Disconnected (see para 4-114.)
MATERIALS/PARTS REQUIRED
Butt Splice Connector (Item 27, Appendix E)
a.
Removal.
(1) Remove three screws (1) and remove
cover (2) from siren assembly (3).
(2) Remove nut (4), lockwasher (5) and
remove cable (6).
(3) Disconnect wire (7) of butt splice
connector.
(4) Remove three screws (8), nuts (9),
lockwashers (10) and flatwashers (11).
Remove siren assembly (3) from bumper.
b.
Installation.
(1) Position siren assembly (3) on bumper and
secure with three screws (8), flatwashers
(11), lockwashers (10) and nuts (9).
(2) Connect wire (7) with new butt splice
connector (Item 27, Appendix E).
(3) Install cable (6) and secure with lockwasher
(5) and nut (4). Install cover (2) and secure
with three screws (1).
c.
Follow-on Maintenance.
(1) Connect batteries (see para 4-114).
(2) With battery switch on, depress
MECHANICAL SIREN button on either side
of cab floor to test siren.
(3) Depress red SIREN BRAKE switch on
dashboard. Siren operation should stop.
4-331
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