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 (4) Water tanks. The two peak tanks (ballast)
b. Cleaning, Inspection, and Repair.
and the fresh water storage tank must be drained and cleaned
(1) Water closets.
periodically. Proceed as follows:
(a) Inspect the lines, valves, and flush float
(a) Open drain valves at bottom of tanks
for leaks, or corrosion.
and inspect water for traces of scale or other impurities.
(b) Remove corrosion with a stiff brush,
(b) If the inspection shows need for
and/or solvent conforming with FED SPEC P-D680.
draining, close salt water shutoff valve at sea valve; close
(c) Replace defective line, valve, or flush
fresh water shutoff valve at main storage tank, then open
float by closing valve in water supply at the pump, then
drain valves. Vents at top of tanks must remain open at all
unscrewing the defective item to replace it with a new one.
times.
(d) Repair leaking valves by replacing the
(c) After tanks are drained, flush tanks with
rubber valve seat, or if leak is at line, remove valve and paint
fresh water, then repeat examination for sediment. When
threads with new white lead, then reinstall the valve, or other
tank drain releases no sediment, close valves and refill tanks.
leaking fitting.
NOTE
(2) Lavatories and Showers.
Use similar
methods described in (1) (a) through (d) above.
Before draining fresh water storage tank,
(3) Water dispenser (cooler ). The water cooler is
be sure a supply of fresh water is available
installed on port side of the mess room at frame 26. Inspect,
at dock.
clean, and repair as follows:
(d) Close storage tank shutoff valve first in
(a) Inspect
cleanliness,
then
check
main water line, open tank vent, then open drain valve at
effectiveness of water supply and drain facilities. Clean out
bottom of tank. Recheck flow for sediment.
clogged drain.
(e) Flush the storage tank until clean, then
(b) Check that all electrical connections are
refill as in (c) above.
free of corrosion and tightened securely.
(5) Tank repair. Replace, or seal, leaking fittings
(c) Report a defective water cooler to
and pipe. Notify general support maintenance when tanks
general support maintenance.
require test or replacement.
Section VIII. FOOD PREPARATION SYSTEM
(a) Remove screws securing cover to
5-78. General
switch housing.
There is a complete galley aboard the vessel, to
(b) Tag and disconnect electrical leads
accommodate a full crew of sixteen persons. The galley
from switch terminals.
equipment consists of a range, refrigerator, freezer, and a
(c) Remove the two screws securing switch
coffee urn. Each unit will be described in the subparagraphs
to housing then lift switch out of the housing.
(d) Installation of new switch is in the
reverse order of removal ( (a) through (c) above).
5-79. Galley Equipment
(3) Burner assembly. Remove and install the
a. Galley Range. The galley range is of cast iron
burner assembly as follows:
construction, containing a range top and oven in one unit.
(a) Tag and disconnect electrical leads
The range is fired by an oil burner unit mounted on front. The
from motor.
burner oil supply comes from a 30 gallon day tank mounted
(b) Turn off fuel control valve in line from
on overhead of engineroom casing. Perform maintenance as
day tank.
follows:
(c) Disconnect fuel line at connector (5).
(1) Cleaning, inspection, and repair. Repairs to
(d) Remove four screws (12) then pull
the range consist of repairs to the burner and blower unit,
burner assembly from the range.
including the motor ((3) below).
(e) Install by reversing the procedures in
(a) Keep the exterior of the range clean and
steps (a) through (d) above.
free from accumulations of dirt and grease.
(4) Motor removal, repair, and installation.
(b) Lubricate the burner blower motor in
(a) Remove burner assembly ( (3) above).
accordance with LO 55-1925-204-12-8.
(b) Loosen setscrew securing fan to motor
(c) Periodically, remove nut (10, fig. 2-31)
shaft.
and lift the cylindrical strainer out of unit. Clean the strainer in
(c) Remove the sheet metal screws
clean fuel oil and blow dry with dry low pressure (10 psi)
securing motor to the burner assembly housing and front plate
compressed air.
(2) Replacement of START-STOP switch.
5-164
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