Air Start Main Generator (STBD).

TM 55-1915-200-10

lubber line, and the relative heading change, (inner)

scale, indicates zero.

NOTE

2-5.5. Air Start Main Generator (STBD).

If the ship service diesel generator

requires extra cooling, the suction

a. On main switchboard (FIGURE 2102, Sheet 1 of

and discharge valves (5 and 16) to

7), set MAN/OFF/AUTO switch (19) to the AUTO

the cooling coils located in ballasts

position.

tanks may be opened.

b. Align fuel oil service piping system to STBD

ship's service diesel generator (FIGURE 2-121) as

d. On port side of air start generator, twist the kill

follows:

pushbutton (6, FIGURE 2-122) clockwise to ensure it is

(1) Open STBD generator's fuel oil supply

in the run position.

valve (6).

e. Open generator air cutout valve (34, FIGURE 2-

(2) Open STBD generator's fuel oil filter inlet

124).

valve (7).

f. Open valves (14, 17 and 34, FIGURE 2-108,

Sheet 1 of 4).

NOTE

g. On Engine Room Console (FIGURE 2-106,

Place one fuel oil filter in operation

Sheet 5 of 12), press SGE start pushbutton (43).

and keep second as backup.

NOTE

(3) Open fuel oil filter outlet valve (9).

If engine fails to start within 30

seconds,

release

the

starter

(4) Open return fuel oil discharge valve (1).

pushbutton. Wait 2 minutes to allow

(5) Flood the starboard generator fuel system

the starter motor to cool before

by pumping with the hand operated priming pump (13)

using it again.

until a slight pressure is indicated on the engine fuel

pressure gauge (4, FIGURE 2-122).

h. Allow engine to run 3 to 5 minutes or until water

c. Align STBD ship service diesel generator

temperature (9, Sheet 2 of 12) begins to rise.

cooling water piping system (FIGURE 2-123) to air start

generator as follows:

CAUTION

(1) Open STBD generator cooling water

suction valve (6) from keel cooler.

If the oil pressure does not rise to 45

psi within 15 seconds, STOP the

(2) Open STBD expansion tank discharge

engine and refer the generator to unit

valve (12).

maintenance.

(3) Open STBD generator cooling water

discharge

valve

(15)

keel

cooler.

i. On main switchboard FIGURE 2-102, Sheet 1 of

7, set selector switch (8) to Gen. No. 2.

j. Increase GEN 2 SPEED CONTROL (20) on

main switchboard until Hertz meter (7) reads 60.2.

2-365