TM 3-4230-209-10
Table 2-2. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS
AND SERVICES (PMCS) (CONT)
Item
Location, Item to
Not Fully Mission
No.
Interval
Check/Service
Procedure
Capable If:
Water Heater
(Cont)
46
DURING
Low Pressure
a. Be sure that the boiler is
Boiler is not full
Boiler Assembly
completely full of water and
of water.
that the water is circulating
before firing the boiler.
DURING
b. Inspect for leaks and loose
and
or missing parts, especially
QUARTERLY
around the refractory box
end of the boiler.
BEFORE
c. Check to see that the
Screen is
and
exhaust stack screen is not
broken or
QUARTERLY
broken, loose, missing, or
missing.
full of soot.
QUARTERLY
d. Clean all exposed surfaces
with hot soapy water. Rinse
with clear water. Do not
allow water to enter exhaust
stack. Remove rust and
corrosion with a wire brush
(item 5, app D). Remove
soot and foreign matter from
spark arrester screen using
a wire brush (item 5, app D).
Touch up surfaces with paint
(item 21, app D) as required.
Change 2 2-56
