Table 1. Preventive Maintenance Checks and Services Including Lubrication - continued

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Table 1. Preventive Maintenance Checks and Services Including Lubrication - continued

TM-55-1925-273-10-2 Inland and Coastal Large TUG (LT) NSN 1925-01-509-7013 (EIC XAG) Manual

Table 1. Preventive Maintenance Checks and Services Including Lubrication - continued

TM 55-1925-273-10-2

0137 00

Table 1. Preventive Maintenance Checks and Services Including Lubrication (continued)

ITEM INTERVAL MAN-

ITEM TO BE

PROCEDURE

EQUIPMENT

NO.

HOUR

CHECKED OR

NOT READY/

SERVICED

AVAILABLE IF:

SOUND

POWERED

TELEPHONES

During

0.5

Head Set-Chest Set

a. Visually inspect head set connections

Any part of this

to the chest set for frayed wiring or

system fails to

loose connections.

operate.

b. Inspect ear cups for tears and

cleanliness.

c. Inspect neck straps for fraying or

missing fasteners.

d. Press pushbutton on the mouthpiece

and release. Verify that the pushbutton

goes in and out.

e. Visually inspect the wire from chest

set to jack plug for loose connections,

cracks, or damaged insulation.

During

0.2

Transmission

Check the two-way voice capability of the

Reception

headset. Select another station on the

system and conduct a two-way

conversation. Transmission and

receptions should be clear, undistorted,

and easily understood.

Headset

Ear Cups

Mouth Piece

Wiring

Pushbutton

Neck Strap

Chest Set

Jack Plug

Wiring

0137 00-17