ITEM
INTERVAL
ITEM
TO BE
PROCEDURES
CHECK FOR AND HAVE
REPAIRED OR ADJUSTED
EQUIPMENT
IS NOT READY
NO.
B D A
D W M Q S
A
INSPECTED
AS NECESSARY
AVAILABLE IF
TM 55-1930-209-14&P-17
Table C-1. Preventive Maintenance Checks and Services ;or Workboat, Lifesaving,
and Firefighting Systems (Continued)
B - Before
D - Daily
Q - Quarterly
D - During
W - Weekly
S - Semiannually
A - After
M - Monthly
A - Annually
c.
Make certain that horn valve is left open
until all pressure is relieved from hose.
d.
Notify shift leader or bargemaster for
requirement to remove or replace CO2
gas cylinders.
e.
Rewind hose on rack or reel and replace
horn in clip. The valve must be left in its
closed position.
f.
For remote control systems, pull the con-
trol cable back and forth between the
cylinder(s) and break-glass pull box to
make certain it operates freely. Replace
glass at the pull box.
g.
Check control head to make sure safety
pin is installed and activating lever has
not been pulled.
h.
Check SET/RELEASED indicator on side
of control head to make sure it is in SET
position. If not, take screwdriver and
move to SET position.
i.
Check hoses for cracks, breaks, loose
Hoses cracked or
piping connections to cylinders, and
broken.
loose nozzles. Operate horn valve sev-
eral times to make sure the valve does
not stick.
CAUTION
Do NOT use water or oxygen for blowing
out. The use of oxygen, especially, is dan-
gerous as the possible presence of even a
minute quantity of oil may cause an explo-
sion.
j.
Blow out CO2 hose/reel system with air
or carbon dioxide to make sure that it is
not plugged. Run hose out to its full
length.
C-19