Table 1. Preventive Maintenance Checks and Services Chart - continued

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Table 1. Preventive Maintenance Checks and Services Chart - 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 Chart - continued

TM 55-1925-273-10-2

0141 00

Table 1. Preventive Maintenance Checks and Services Chart (continued)

ITEM INTERVAL MAN-

ITEM TO BE

PROCEDURE

EQUIPMENT

NO.

HOUR

CHECKED OR

NOT READY/

SERVICED

AVAILABLE IF:

During

0.5

FIRE AND

a. Check pumps, couplings, and sea chest

Sea chest cannot be

GENERAL

valves for proper operation. Sea chest

cleared, and suction

SERVICE PUMPS

is clogged when suction pressure is

pressure cannot be

greater than 10 in Hg (254 mm Hg)

lowered below

10 in Hg

(254 mm Hg).

b. Check gauges for normal readings.

Fire main discharge

Fire main discharge pressure should

pressure above

be 60 to 120 PSI (4.1 to 8.3 bar)

120 PSI (8.3 bar)

against dead head.

or below 60 PSI

(4.1 bar).

c. General service pressure should be

Unable to maintain

greater than 60 PSI (4.1 bar) under

general service

normal operating conditions.

discharge pressure

at 60 PSI (4.1 bar)

under normal

operating conditions.

Fire and General

Service Pumps

Bilge Manifold

During

1.0

BILGE/BALLAST

Visually check oil level sight gauge (1/2

Pump is defective

PUMP

full). Inspect pumps, couplings for leaks,

or fails to operate.

loose connections, and damage.

Bilge/Ballast

Motor Controller

Bilge/Ballast Pump

Bilge Manifold

0141 00-16