Table 1-1. Equipment Data

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Table 1-1. Equipment Data

TM-55-1905-223-24-3 Ship s Service Generator for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

SECTION III. PRINCIPLES OF OPERATION

TM 55-1905-223-24-3

Table 1-1. Equipment Data - CONT

Characteristics

Reference Data

ELECTRICAL SYSTEM

Generator Assembly (Manufacturer-

Newage):

Rated at

250 kW, 240 volts, 3 phase, 60 Hz

rpm

1800

Power factor

0.8

Continuous at

122F (50C) ambient air temperature

Weight of generator only

1909 lbs (866 kg)

Manual voltage regular:

Connections required to the

generator

Exciter windings (X and XX)

Permanent magnet windings (P2, P3,

and P4)

Connections required to the

automatic voltage regulator

Exciter output (X and XX)

Permanent magnet supply (P2, P3,

and P4)

Starter motor, electric (STBD

engine only):

Maximum allowable resistance of

starting circuit with 24-volt

starter

0.002 ohms

STARTING AIR SYSTEM

Minimum operating pressure

60 psig

Maximum operating pressure

150 psig

1-12. Safety, Care, and Handling. Safety precautions must be observed at all times while performing

maintenance. General WARNINGS and first-aid data appear in the front of this manual. Review all safety

information before starting any task. Carefully read through an entire maintenance procedure before

performing any maintenance function. Make sure the task can be done safely. All WARNINGS, CAUTIONS,

and NOTES are of great importance to your safety and the safety of the equipment.

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