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INSTALLATION, OPERATING & SERVICING INSTRUCTIONS
Wheeled
Models 450, 451, 452 ( 25 Cu. Ft. Nitrogen Cylinder 16" wheels)
Models 467, 468, 469 (110 Cu. Ft. Nitrogen Cylinder 16" wheels)
Models 470, 471, 472 (110 Cu. Ft. Nitrogen Cylinder 36" wheels)
Stationary
Models 481, 482, 483 ( 23 Cu. Ft. Nitrogen Cylinder)
Models 484, 485, 486 (110 Cu. Ft. Nitrogen Cylinder)
All fire extinguishers should be installed, inspected and maintained in
accordance with the National Fire Protection Association standard titled
"Portable Fire Extinguishers", NFPA-10 and the requirements of local
authorities having jurisdiction.
When maintenance is indicated it should be performed by trained
persons having proper equipment.
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.
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 maintenance – USE OF SUBSTITUTE PARTS RELEASES
AMEREX OF ITS WARRANTY OBLIGATIONS.
machined surfaces and threads that are manufactured 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 void
the Amerex extinguisher warranty and UL listing.
SUBSTITUTE.
RECHARGE FIRE EXTINGUISHERS IMMEDIATELY AFTER ANY USE
REFERENCES IN THIS MANUAL:
NFPA-10 Portable Fire Extinguishers
CGA C-1 Methods for Hydrostatic Testing of
Compressed Gas Cylinders
CGA C-6 Standard for Visual Inspection of
Compressed Gas Cylinders
AMEREX CORPORATION – P.O. BOX 81 – TRUSSVILLE, ALABAMA 35173-0081
Phone: 205/655-3271
e-mail:
sales@amerex-fire.com
Printed in U.S.A.
OWNERS SERVICE MANUAL
NO. 05605
Fire extinguishers are pressure
AVAILABLE FROM:
National Fire Protection Association
1 Batterymarch Park, P.O, Box 9101
Quincy, MA 02269-9101
Compressed Gas Association, Inc.
4221 Walney Road, 5
Chantilly, VA 20151-2923
Fax: 800/654-5980
Web Page:
http://www.amerex-fire.com
Amerex strongly
Amerex parts have
DO NOT
th
Floor
0M05605H Rev.10/11
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Summary of Contents for Amerex 450
- Page 1 INSTALLATION, OPERATING & SERVICING INSTRUCTIONS Wheeled Models 450, 451, 452 ( 25 Cu. Ft. Nitrogen Cylinder 16” wheels) Models 467, 468, 469 (110 Cu. Ft. Nitrogen Cylinder 16” wheels) Models 470, 471, 472 (110 Cu. Ft. Nitrogen Cylinder 36” wheels) Stationary Models 481, 482, 483 ( 23 Cu.
- Page 2 INTRODUCTION THIS MANUAL IS ATTACHED TO EVERY NEW EXTINGUISHER SHIPPED FROM THE FACTORY. IT CONTAINS VALUABLE INFORMATION WHICH SHOULD BE STUDIED BY EVERYONE WHO WILL USE OR SERVICE THE EXTINGUISHER. THE MANUAL SHOULD BE STORED IN A CONVENIENT LOCATION FOR EASY REFERENCE. PREPARING YOUR NEW EXTINGUISHER FOR USE WARNING: THIS FIRE EXTINGUISHER IS SHIPPED FROM THE FACTORY EMPTY.
-
Page 3: Operation
DO NOT PLACE THIS EXTINGUISHER CLOSE TO A POTENTIAL FIRE Do not place this extinguisher close to a potential fire hazard. Amerex recommends location no less than a 50 foot distance from the hazard while leaving an unobstructed access. Avoid placing it in an extremely hot or cold place. - Page 4 VENTING DEVICE (Standard on all Stationary Extinguishers, Optional on Wheeled Extinguishers) A venting device has been installed on all stationary extinguishers to provide a means of safely and easily relieving residual argon pressure from the agent cylinder while utilizing the same pressure to evacuate or "blow down"...
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Page 5: Maintenance
“dead set” and “minimum flow” recommendations. This information is provided in a special section on page 6 (R-a thru R-d) for Amerex Regulated Wheeled Models 467, 468, 469, 470, 471 & 472 and Regulated Stationary Models 484, 485 and 486. - Page 6 Inspect the extinguisher for damaged, missing or substitute parts. A careful inspection should be made of the safety relief (MODELS 450, 451 & 452) to make sure that it has not ruptured, corroded or been tampered with. ONLY FACTORY REPLACEMENT PARTS ARE APPROVED FOR USE ON AMEREX FIRE EXTINGUISHERS.
- Page 7 Observe flow chamber pressure reading to see if it is within the specified static dead set pressure parameters noted below. The only type regulators used on Amerex dry chemical regulated wheeled extinguishers were Victor and MECO. Also see Amerex Tech Tip for Class D Dry Powder Wheeled Extinguisher Pressures.
- Page 8 e. Operate the nozzle lever to ensure proper operation and to clear the hose of any obstructions (if hose is obstructed – refer to Troubleshooting section of this manual. Close the nitrogen pressure source and slowly relieve remaining pressure by fully operating the nozzle lever.
-
Page 9: Recharging Procedure
INSTALLED TO PROTECT SERVICE PERSONNEL FROM A HIGH VELOCITY DISCHARGE IN CASE THE LEVER IS ACCIDENTALLY OPENED. Install a new Amerex Moisture Seal per instructions in the package. Securely connect the discharge hose to the extinguisher. When assembling the hose to the agent cylinder or nozzle to the hose, tighten the coupling ¼... - Page 10 b. Carefully tip extinguisher over until it rests on both wheels and handle. (In this position much of the agent will remain in the cylinder). c. Open nozzle valve slowly to clear hose of any remaining pressure and chemical (be prepared for a recoil and discharge of agent).
-
Page 11: Troubleshooting Guide
Inspect safety outlet for tightness or damage. Tighten if leaking from the safety disc necessary. assembly. (Models 450, 451, 452) NOTE: Only tighten the large hex nut of the assembly. The small round nut containing the holes is factory set to a specific torque value. - Page 12 Connect hose coupling to outlet on the extinguisher. Lay hose straight on ground to its full 25 ft. length. Start first regular loop counter- clockwise by placing between side brackets and over the top bracket. The second loop is a REVERSE loop.
- Page 13 PARTS LIST 125/150 lb. Wheeled & Stationary Dry Chemical Extinguishers 110 Cu. Ft. Nitrogen Cylinder WHEELED MODELS 125 LB. ABC, 16” WHEELS 125 LB. ABC, 36” WHEELS 150 LB. REGULAR, 16” WHEELS 150 LB. REGULAR, 36” WHEELS 125 LB. PURPLE K, 16” WHEELS 125 LB.
- Page 14 03817 with Cap, Valve & Gauge 04072 Saddle Clamp WUS 16483 Bolt, Washer & Wing Nut 07485 Pictogram-450 07484 Pictogram-451, 452 Wheel Asy – 16” with Hub Cap, 07751 Washer & Retaining Pin (Semi-Pneu) 04945 Hub Cap – 16” Wheels...
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