Ship Stores Refrigeration.

TM 55-1915-200-10

j. Open gravity feed chlorine discharge control

b. Open sewage bypass valve (6).

valve (33).

c. Press STOP button on blower motor control

k. Open agitation air inlet valve (38).

panel (41) to turn off power to agitation air blower (37).

l. Press START button on blower motor control

d. Close agitation air inlet valve (38).

panel (41) to start agitation air blower motor (37).

e. Set overboard sump pump (18), selector switch

m. Observe agitation air pressure gauge (39).

to OFF.

Adjust air inlet relief valve (36) until gauge reads 5 psi.

f. Set power switch to OFF at the sump pump

n. Close sewage bypass valve (6) and laundry and

power control panel (18).

galley drain inlet valve (25).

g. Close overboard sump pump discharge valve

o. Open sewage inlet valve (10) and laundry and

(19).

galley drain bypass valve (26).

h. Close chlorine discharge control valve (33).

p. Open overboard discharge valve (2).

2-5.4.4. Ship Stores Refrigeration.

q. Open overboard sump pump discharge valve

(19).

2-5.4.4.1. Pre-Operation. (FIGURE 2-116).

r. On marine sanitation device sump pump control

panel (18), set selector switch to AUTO.

a. Check unit cooler fans (11, Sheet 3 of 4) in chill

s. Set power switch to ON at the sump pump

and freeze rooms, for free rotation.

power control panel (18).

b. Check oil level in crankcase sight glasses (4).

t. Check chlorine feed hose (31) to chlorine

contact tank (28), and chlorine discharge control valve

NOTE

(33) for flow of chlorine.

Level should be at center of glass or

slightly above center. If level is low,

2-5.4.3.2.

Marine

Sanitation

Device

Shutdown.

(FIGURE 2-115)

refer to unit maintenance.

NOTE

Steps must be taken to prevent

c. Open all in line valves (6, Sheet 2 of 4) behind

untreated

sewage

from

being

condensers.

discharged overboard within 3 miles

d. Check freeze room and chill room thermostats

from shore or from entering the

(12, Sheet 3 of 4) located below unit coolers (11) for

marine sanitation device when

binding operation or damage. If binding or damaged,

shutdown operation or maintenance

refer to unit maintenance.

is in progress.

a. Close sewage inlet valve (10).

2-351