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User's Manual

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Operation
P/N 81-CO2MAN-001 5-3 September 2013
5-5 HOSE REEL OR RACK SYSTEMS
Hose line systems must be used by trained personnel only. It is the owner's responsibility to
ensure that personnel have been properly trained and are aware of all safety provisions.
5-5.1 Remote Manual Operation
If system is equipped with a remote cable pull station, operate system as follows:
1. Unwind hose from reel or rack.
2. Proceed to cable pull station. Break glass using attached hammer.
3. Pull handle to operate cylinder control head.
4. Approach fire carefully. Do not allow hose to lie in the path of the flames. Point horn at
hazard. Open horn valve by pushing stirrup handle forward.
5. Direct carbon dioxide discharge at base of the flames. As flames recede, follow slowly.
Follow detailed instructions below.
Surface Fires:
a. Direct carbon dioxide discharge close to the edge of the fire nearest you. DO NOT
point the horn at the center of the flame. If the hose horn must be aimed into an
inaccessible fire, the horn must be in the OPEN position.
b. Sweep the horn slowly back and forth across the base of the flames. Chase flames
slowly as the fire is extinguished. For vertical fires, direct the discharge at the
bottom and gradually work upward as the fire recedes.
c. Continue discharging carbon dioxide until all smoldering material is covered with
carbon dioxide "snow".
Electrical Fires - Switchboards, Motors, Etc.
a. Discharge carbon dioxide into all openings on burning substances.
b. Continue to discharge carbon dioxide until flames have been extinguished and the
burned material is coated with carbon dioxide "snow". This will prevent any
incandescent material from re-igniting.
6. After the fire has been extinguished, leave the horn valve open to relieve all pressure from
the hose.
7. Perform post fire maintenance. Refer to Chapter 7 for details.
CAUTION
While it is not necessary to de-energize equipment before discharging carbon
dioxide onto electrical fires, equipment must be de-energized as soon as
possible after system discharge to prevent the fire from spreading.
WARNING
Except when in use, pressure shall not be permitted to remain in the hose line.