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 TM 55-1905-242-14
UNIT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
SEACALL 7000 MF/HF DSC CONTROLLER, 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 0042)
SEA 330 MF/HF RADIO 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.
! CAUTION
Take great care when handling the wiring in the controller unit. The internal wiring is
fragile and can be easily damaged.
1.
Grasp the controller (1) firmly and remove the two knobs (2) and two screws (3) (one on either side) that secure the
controller to its mount (4).
2.
Label and disconnect the wiring from the rear of the controller (1). Set the multimeter to the Vdc (Volts direct current)
setting and check for voltage. If no voltage is noted, proceed to the next step. If voltage is noted, ensure that the circuit
breaker is properly secured.
0112 00-1
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