INSPECTION, MAINTENANCE AND
RECHARGE SERVICE MANUAL
P/N 05603
CARBON DIOXIDE HAND PORTABLE FIRE EXTINGUISHERS
Model 320/321—2 1/2 LB
Model 322—5 LB Model 331—15 LB
Model 330—10 LB Model 332—20 LB
All fire extinguishers should be installed, inspected and maintained in accordance
with the National Fire Protection Association standard titled "Portable Fire Extin-
guishers", NFPA-10 , or The National Fire Code of Canada and the requirements of
local authorities having jurisdiction.
When maintenance is indicated, it should be performed by trained persons having
proper equipment. Fire extinguishers are pressure vessels and must be treated with
respect and handled with care. They are mechanical devices and require periodic
maintenance to be sure that they are ready to operate properly and safely.
Amerex strongly recommends that the maintenance of portable fire extinguishers be
done by a trained professional – your local authorized Amerex Distributor.
Amerex Corporation makes original factory parts available to insure proper mainte-
nance – USE OF SUBSTITUTE PARTS RELEASES AMEREX OF ITS WARRANTY
OBLIGATIONS. Amerex parts have machined surfaces and threads that are manu-
factured to exacting tolerances. O-rings, hoses, nozzles, and all metal parts meet
precise specifications and are subjected to multiple in-house inspections and tests
for acceptability. There are substitute parts available that may be incorrectly labeled
as UL component parts, some are advertised as Amerex type. None of these meet
UL requirements and all of them voids the Amerex extinguisher warranty and UL
listing. DO NOT SUBSTITUTE.
RECHARGE FIRE EXTINGUISHERS IMMEDIATELY AFTER ANY USE
REFERENCES IN THIS MANUAL: AVAILABLE FROM:
NFPA-10 Portable Fire Extinguishers National Fire Protection Association
1 Batterymarch Park, P.O, Box 9101
Quincy, MA 02269-9101
CGA C-1 Methods for Pressure Testing of Compressed Gas Association, Inc.
Compressed Gas Cylinders 14501 George Carter Way, Suite 103
CGA C-6 Standard for Visual Inspection of Chantilly, VA 20151-2923
Steel Compressed Gas Cylinders
CGA C-6.1 Standard for Visual Inspection of
Aluminum Alloy Compressed Gas Cylinders
National Fire Code of Canada National Research Council Canda
1200 Montreal Rd.
Ottawa, ON KIA 9Z9
AMEREX CORPORATION – P.O. BOX 81 – TRUSSVILLE, ALABAMA 35173-0081
Phone: 205/655-3271 Fax: 800/654-5980
PrintedinU.S.A.OM05603ERev.8/13
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