Table 17-4. Preventive Maintenance Checks and Services
for Workboat, Lifesaving, and Firefighting System (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
t. Check the Regulator Function. The regu-
There is any mal-
lator function should be checked monthly
function in regula-
and preferably after each use to verify
that performance is within specifications.
The Portable Regulator Tester is used to
measure the resistance and the flow of
air through the regulator at the proper
suction or positive pressure.
Check the Main-Line and By-Pass
1) Operation of the main-line valve and
by-pass valve is tested by putting on
the device and operating it normally.
Venting of pressure relief valves, or
continuing flow of air through the reg-
ulator when the user is not inhaling,
indicates the regulator needs to be
repaired. In addition, any unusual
sounds such as whistling, chattering,
clicking, or rattling means that the reg-
ulator should be further checked.
2) Clean and sanitize the apparatus,
inspect the entire unit, and record
information on the inspection tag or
check list. Store the unit.
Do NOT operate pump in closed area with-
out exhaust hose connected and routed
safely to outside fresh air. Exhaust gases
are hazardous to personnel.
a. Visually check pump assembly set for
Class III leaks.
deficiencies that could cause hazardous
conditions for personnel and equipment.
Notify bargemaster or shift leader of defi-
ciencies which require corrective action.
b. Check fuel supply.
Refuel as necessary
with mixture of two cans of BIA- TC-W-
Service oil (NSN 9150-00-117-8791) is
blended with each 6 gal of 90 octane