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 Figure 4-1. Fixed fire extinguisher piping arrangement.
(1) The portable system consists of eight 15
(c) Replace a damaged or defective
pound and four 4-pound hand typeCO2 extinguishers
extinguisher.
(2) The fixed system consists of twelve 50
(d) Inspect the fixed system for
pound CO2 cylinders, with control heads and an
complete piping, connection of all control heads, and
emergency control (pull) box. The cylinders are located
weight of CO2 in cylinders. Check that the lead to the
at aft bulkhead, port side, of engine room and the
emergency control box is intact and connected.
emergency control box is located aft of hatch entering
(e) Repair defective piping and
engine room from main deck, port side
replace a defective control or cylinder.
(3) Inspect the portable system first, in order
(4) After the inspection of electrical and air
that operable devices will be available during further
compressor systems, and ships service air is available,
tests of the system, then inspect as follows:
test the C02 pressure operated warning siren as follows:
(a) Assure that portable cylinders are
(a) Disconnect the CO2 pipe line from
fully charged by comparing weight as indicated on tag,
siren.
or cylinder.
(b) Connect an air line from ships
(b) Test operation of the portable
service air outlet (34, fig. 2-14) in engineroom to siren.
extinguishers (para 2-19).
4-2
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