Section III. GENERAL MAINTENANCE - TM-5-6350-264-14-P-110078

TM 5-6350-264-14&P-11

NAVELEX EE 181-AA-OMI-120/E121 C-7359-60-1

T.O. 31S9-2FSS9-1-11

Section III.

GENERAL MAINTENANCE

5-4. MAINTENANCE ACTION. The extent of direct and general support maintenance is governed by the Maintenance

Allocation Chart (MAC), Appendix B. The MAC provides for on-site test and replacement of batteries, Signal Modules,

Sta- tus Monitor Modules, connectors, power supplies, fuses, lamps, and switches. The MAC also provides for repair of

the Signal Module by on site test and replacement of the logic subassembly PC board and the audible signal device.

The MAC provides for inspection and replacement of batteries and lamps.

Section IV.

REMOVAL AND REPLACEMENT OF MAJOR COMPONENTS AND ASSEMBLIES

5-5. REMOVAL AND INSTALLATION PROCEDURES.

To remove one-zone Monitor Cabinet battery, unlock and open cabinet door. Unlatch and swing out mounting

rack. Position power supply switch S1 to POWER OFF. Remove mounting screws that hold Status Monitor

Module in position. Remove module from mounting rack. Disconnect battery terminal leads. Slide battery to

the right and remove from cabinet.

To install new one-zone Monitor Cabinet battery, position battery in cabinet and connect terminal leads.

Position Status Monitor Module in mounting rack (ensure that connector is properly engaged) and install

mounting screws. Close and latch mounting rack. Close and lock the cabinet door.

To remove five-zone Monitor Cabinet battery, unlock and open cabinet door. Unlatch and swing out mounting

rack. Position power supply switch S1 to POWER OFF. Disconnect battery terminal leads and remove

battery.

To install new five-zone Monitor Cabinet battery, position battery in cabinet and connect terminal leads. Close

and latch mounting rack. Close and lock cabinet door.

To remove twenty-five-zone Monitor Cabinet battery, unlock and open cabinet door. Position power supply

switch S1 to POWER OFF. Disconnect battery leads. Lift battery and remove from cabinet.

To install new twenty-five-zone Monitor Cabinet battery, position battery in cabinet and connect terminal

leads. Close and lock cabinet door.

To remove Signal Module, unlock and open Monitor Cabinet door. Unlatch and swing out mounting rack. Tag

and remove wires from terminal boards TB1, located on back of Signal Module. Remove the mounting

screws and remove Signal Module.

To install new Signal Module, position module in mounting rack and install mounting screws. Connect wires to

terminal board TB1. Close and latch mounting rack. Close and lock cabinet door.

To remove connector, unlock and open cabinet door. Unlatch and swing out mounting rack. Remove

mounting screws that hold Status Monitor Module in position. Remove module from the mounting rack. Tag

wires and use a soldering iron of 50 watts maximum to disconnect wires from connector.

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