Fuel Oil Purification.

TM 55-1915-200-10

i. Open fuel oil manifold suction valve (13).

2-5.14.6. Fuel Oil Purification.

NOTE

2-5.14.6.1. Transferring Fuel Oil From Settling Tank to

Main Engine Day Tank.

Isolation valves (15) are reach rods

operated with a T-handle from the

a. Turn on Fuel Oil Purifier circuit breakers (29

main deck, just forward of frame 84

and 38, FIGURE 2-103, Sheet 2 of 7) at the Engine

port side. These valves will normally

Motor Control Center.

be open.

b. Align the Fuel Oil Purification Piping system

j. Open fuel oil tank isolation valves (15).

by closing all valves (FIGURE 2-152).

k. Press START switch (22 or 26, FIGURE 2-

c. Open fuel oil suction valve (4) from settling

103, Sheet 1 of 7) located at the fuel oil transfer pump

tank.

motor controller to start pump (20, FIGURE 2-147).

d. Open fuel oil discharge valve (6) to main

1. Observe discharge pressure gauge (18,

engine/ship's service diesel generator.

FIGURE 2-147).

e. Press START switch (FIGURE 2-153) on

CAUTION

Fuel Oil Purifier Controller (1 or 2 as required).

If no pressure is indicated within 10

f. Allow 3-5 minutes for the purifier to run up to

seconds, press STOP switch (21 or

speed.

25, FIGURE 2-103, Sheet 1 of 7) to

stop pump (20, FIGURE 2-147). Refer

g. Open purifier freshwater inlet valve (1,

to unit maintenance.

FIGURE 2-153).

m. Sound tanks (33, 42 and 76, FIGURE 2-151,

h. Close purifier freshwater inlet valve (1) when

Sheet 2 of 3), located on the main deck, at regular

water appears at sludge discharge port sight glass (5,

intervals.

FIGURE 2-154).

n. Close fuel oil manifold suction valves (13,

i. Open purifier suction valve (2 or 13, FIGURE

FIGURE 2-147) as tanks are emptied.

2-152).

o. Press STOP switch (21 or 25, FIGURE 2-

j. Observe clean oil discharge port sight glass

103, Sheet 1 of 7) when tanks have reached the

(3, FIGURE 2-154) for discharge.

required level or are empty as indicated by a loss of

pressure at gauge (19, FIGURE 2-147).

k. Observe sludge discharge port sight glass (5,

FIGURE 2-154). Press fuel oil purifier STOP switch (2,

p. Close stop valve (6).

FIGURE 2-153) if clean oil appears.

Close all valves in fuel oil transfer piping

system.

2-435