a. Remove buzzer cover.
b. Tag and disconnect wires to buzzer.
c. Unplug cable from buzzer.
d. Remove buzzer mounting hardware.
e. Remove buzzer.
f. Install new buzzer and secure with mounting hardware.
g. Remove buzzer cover.
h. Plug cable to buzzer.
i. Install buzzer cover.
j. Make sure buzzer operates normally.
4-18.2.10. Electrical wiring and cables
4-220.127.116.11. Inspection. Inspect wiring and harnesses for chafed or burned insulation. Look for causes of chafing or
burns. Inspect terminal connectors for corrosion, loose connections, and broken parts. Clean corrosion and replace
damaged connector pins or wires, replace damaged connectors or replace harness assembly. Check mounting
hardware, hangers, and receptacles for tightness. Tighten If necessary.
4-18.104.22.168. Repair and replacement. When replacing wires or repairing wire harnesses, lay wires alongside wire or
harness and cut new wires at least 1 ½ inches longer than wire being replaced.
Section V. Storage
4-19 Short-term storage. If barge is taken out of service for more than 7 days but less than 30 days, and telephone
system is not used while in storage, follow normal shutdown procedures in paragraph 4-13 . Inspections are not required
of this system during short-term storage.
4-20 Administrative storage. If barge is taken out of service for more than 30 days but less than 6 months, barge
remains a unit responsibility and shall be maintained by unit personnel. If placed in administrative storage, and
telephone system is not being used, it will be processed for administrative storage as specified in the following:
a. Open circuit breakers 1OP13A-7 on emergency light panel and 3P14 on 24 Vdc power panel.
b. Perform before operation preventive maintenance in Appendix C as appropriate
c. When authorized by bargemaster, perform the following:
(1) Disconnect power cords and Interconnecting cabling to system.
(2) Disconnect all interconnecting cables between telephone system components (speaker, handset, and
headsets) that are to be stored. Tag each cable end to ensure easy reconnection.
(3) Package each piece of equipment to be stored in an approved container.
(4) Store telephone system components In an area where emperature is maintained at 40 to 90°F, with relative
humidity less than 80 percent.
(5) Mark each container with nomenclature, model identification, and serial numbers of each component .