TM 55-1930-209-14&P-19
Table 17-4. Preventive Maintenance Checks and Services
for Workboat, Lifesaving, and Firefighting System (Continued)
B -
Before
D -
Daily
Q - Quarterly
D -
During
W -
Weekly
S - Semiannually
A -
After
M -
Monthly
A - Annually
INTERVAL
ITEM
PROCEDURES
EQUIPMENT
ITEM
TO BE
CHECK FOR AND HAVE
IS NOT READY/
NO.
INSPECTED
REPAIRED OR ADJUSTED
AVAILABLE IF
B D A D W M Q S A
AS NECESSARY
CAUTION
Before placing mask in case, release pres-
sure from system, as described in step b
immediately above.
j. Examine the mask(s) for missing,
Masks have miss-
cracked, or broken parts in the face-
ing, cracked or
piece, breathing tube assembly, regula-
broken parts.
tor, Audi-Larm assembly, and harness.
Visually check the exhalation valve.
k. Place cylinder in cradle of case. Arrange
harness around the lower right corner
and front of case. Place regulator face-
down in plastic dish. Place facepiece and
attached hose assembly on its side, lens
away from cylinder, between harness
and cylinder.
I. Store flat, in a cool, dry place where pos-
sible.
WARNING
Never attempt to connect a 4500 psig cylin-
der to a 2216 psig apparatus. The coupling
nut will not thread completely. There are
two bleed holes drilled at the bottom of the
4500 psig cylinder valve. If the system is
connected by accident, air will bleed out
instead of being introduced into the Audi-
Larm.
m. Check the cylinder pressure gauge. The
Cylinder not
needle should be on the FULL mark. If
FULL.
not full, change the cylinder, as
described in paragraph 3-17.3.6.1.
n. Check the mask for damage and leaks.
Mask damaged or
Make sure all SCBA's are at their leaking.
assigned locations and are easily acces-
sible.
o. Notify the shift leader or bargemaster if
SCBA fails any
any SCBA is damaged or fails its inspec-
portion of inspec-
tion
17-31
