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 TM 55-1905-242-14
UNIT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
AN/SPS-69 RADAR, 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)
Multimeter (Item 2, Table 1, WP 0230 00)
References:
FM 55-502
Equipment Condition:
TM 55-1905-242-24P (WP 0042)
AN/SPS-69 RADAR circuit breaker set
to OFF, locked out, and tagged out
IAW FM 55-502
RADAR--REPLACE
REMOVAL--DISPLAY
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.
Use two crewmembers to lift heavy loads. Heavy loads can crush. Do not allow any
body parts to come under the load or between the load and a stationary object. Failure
to comply can result in serious injury or death.
1.
Label and disconnect the power cable from the power terminal (1) on the rear of the display (2) and use the multimeter to
check for voltage at the power sockets (the two large sockets in the power cable). If no voltage is observed, proceed to
the next step. If voltage is observed, ensure that the circuit breaker is properly secured.
2.
Label and disconnect the remaining wiring from the terminal (3) at the rear of the display (2).
3.
Remove the two knobs (4) that secure the display (2) to its mount (5) and remove the display from its mount.
0121 00-1
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