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 TM 55-1905-242-14
UNIT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
ELECTRIC HORN, REPLACE
INITIAL SETUP:
Tools and Special Tools:
Personnel Required:
Tool Kit, Mechanic's Rail and Marine
Two Watercraft Engineers, 88L
(Item 1, Table 1, WP 0230 00)
References:
Multimeter (Item 2, Table 1, WP 0230 00)
FM 55-502
Equipment Condition:
TM 55-1905-242-24P (WP 0047)
HORN circuit breaker set to OFF, locked out,
and tagged out IAW FM 55-502
REMOVAL
WARNING
Replace or repair components only after the affected circuit has been secured, locked
out, and tagged out. Performing replacement with the circuit energized may result in
damaged equipment and serious injury or death to personnel.
1.
Remove the gland nut (1) and packing that secure the wiring (2) to the body (3).
2.
Pull the wiring (2) out to expose its connections.
3.
Set the multimeter for Vdc (Volts direct current) and place one lead on each of the wiring connections. If no voltage is
noted, proceed to the next step. If voltage is noted, ensure that the circuit breaker is properly secured.
0126 00-1
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