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 TM 55-1905-242-14
UNIT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
POTABLE WATER TANK MONITOR SYSTEM, REPLACE
INITIAL SETUP:
Tools and Special Tools:
Equipment Condition (continued):
Tool Kit, Mechanic's Rail and Marine
RUDDER ANGLE & TANK GAUGES circuit breaker set to
(Item 1, Table 1, WP 0230 00)
OFF, locked out and tagged out IAW FM 55-502
Multimeter (Item 2, Table 1, WP 0230 00)
Potable water tank drained
Equipment Condition:
Personnel Required:
Void 6 prepared for confined space entry with
One Watercraft Engineer, 88L
Confined Space Entry Permit secured, IAW
(Trained in Confined Space Entry)
Organizational Confined Space Entry SOP and
One Entry Supervisor/Attendant
FM 55-502
References:
FM 55-502
Organizational Confined Space Entry SOP
REMOVAL--TANK UNIT
WARNING
Only properly trained personnel may enter confined spaces, or act as entry supervisors
and/or attendants for those working in confined spaces. Before entering into a confined
space, the space must be cleared for entry and a Confined Space Entry Permit must be
secured. All entry into confined spaces must be in accordance with the Organizational
Confined Space Entry Standard Operating Procedure and FM 55-502. Entry into an
uninspected confined space may result in serious injury or death.
1.
Remove the void cover from Void 6 and prepare it for confined space entry in accordance with the Organizational
Confined Space Entry SOP and FM 55-502.
2.
Set the multimeter to the Vdc (Volts direct current) setting and read the voltage across each of the wiring terminals (1) on
the tank. If no voltage is noted, proceed to the next step. If voltage is noted, ensure that the circuit breaker is properly
secured.
3.
Label and disconnect the wiring (2) from the wiring terminals (1).
4.
Unscrew the tank unit (3) from the tank (4).
0133 00-1
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