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Amerex 344 - User Manual

Amerex 344
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MAINTENANCE & RECHARGE
SERVICE MANUAL
NO. 05604
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. 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 maintenance use of substitute parts releases Amerex of its
warranty obligations. Amerex parts have 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 are 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 Hydrostatic Testing of Compressed Gas Association, Inc.
Compressed Gas Cylinders 4221 Walney Road, 5
th
Floor
CGA C-6 Standard for Visual Inspection of Chantilly, VA 20151-2923
Compressed Gas Cylinders
AMEREX CORPORATION P.O. BOX 81 TRUSSVILLE, ALABAMA 35173-0081
Phone: 205/655-3271 Fax: 800/654-5980
e-mail: sales@amerex-fire.com Web Page: http://www.amerex-fire.com
Printed in U.S.A.
0M05604F Rev. 3/11
HAND PORTABLE
HALON 1211 FIRE EXTINGUISHERS

Questions and Answers

  • Y
    yalvarezAug 1, 2025
    How to replace a defective gauge on an Amerex 344 Fire Extinguisher?
    • F
      fmillerAug 1, 2025
      To replace a defective gauge on your Amerex Fire Extinguisher, remove the old gauge and install a new Halon 1211 gauge, ensuring you use Teflon tape on the gauge threads for a proper seal.
  • J
    John JonesAug 5, 2025
    What to do if there's a leak around the gauge of my Amerex 344 Fire Extinguisher?
    • C
      christopherbuchananAug 5, 2025
      If you notice a leak around the gauge of your Amerex Fire Extinguisher, remove the gauge, thoroughly clean the threads, and reinstall it using Teflon tape on the threads to ensure a proper seal.
  • D
    Derek GomezAug 9, 2025
    How to fix a leak at the collar o-ring of an Amerex 344 Fire Extinguisher?
    • S
      Steven GonzalesAug 9, 2025
      To fix a leak at the collar o-ring of your Amerex Fire Extinguisher, follow these steps: 1. Remove the valve assembly. 2. Remove and discard the old o-ring. 3. Thoroughly clean the collar. 4. Install a new collar o-ring, lubricating it with Visilox V-711.
  • J
    Jeremy BirdAug 13, 2025
    What to do if my Amerex 344 Fire Extinguisher is leaking through the valve?
    • D
      Daniel JonesAug 13, 2025
      If your Amerex Fire Extinguisher is leaking through the valve, check the valve stem seating area for any scratches or foreign matter. Clean the seating area using a toothbrush and a soft cloth. If the leak persists, install a new valve stem assembly.
  • P
    Paula AndersonAug 18, 2025
    Why is my Amerex Fire Extinguisher leaking under the operating lever during discharge?
    • J
      Johnathan FosterAug 18, 2025
      If your Amerex Fire Extinguisher leaks under the operating lever during discharge, the suggested solution is to replace the valve stem assembly.
  • M
    Molly ZavalaAug 22, 2025
    What to do if the gauge indicator is high or low in the green operable area on my Amerex 344 Fire Extinguisher?
    • L
      Lauren BoydAug 22, 2025
      If the gauge indicator on your Amerex Fire Extinguisher is high or low within the green operable area, and there's no detectable temperature leakage, condition the extinguisher to room temperature (70°F) overnight. Then, check the gauge reading again.
  • B
    Bethany HeathAug 27, 2025
    What to do if my Amerex 344 Fire Extinguisher has a leak in the cylinder?
    • D
      Dr. Donald AvilaAug 27, 2025
      If your Amerex Fire Extinguisher has a leak in the cylinder, contact Amerex if it is still under warranty. Otherwise, mark it 'REJECTED' and remove it from service or return it to the owner.

Summary

MAINTENANCE & RECHARGE SERVICE MANUAL

General Recommendations and Part Quality

Covers installation, inspection, maintenance standards, professional service, and the importance of using genuine Amerex parts.

INSPECTING THE EXTINGUISHER

Periodic Inspection Procedures

Details the required checks for fire extinguisher inspection, including location, access, gauge, and physical condition.

MAINTENANCE

Maintenance Service Procedure

Outlines the step-by-step process for extinguisher maintenance, covering cleaning, parts inspection, and reassembly.

COMPLETE MAINTENANCE - SIX YEAR TEARDOWN

Six Year Teardown and Procedures

Describes the comprehensive teardown process required every six years, including agent recovery and internal checks.

TROUBLESHOOTING GUIDE

Common Problems and Corrective Actions

Provides solutions for common issues like leaks, gauge errors, and cylinder problems, with specific troubleshooting steps.

PARTS LIST

Component Identification and Parts Numbers

Lists all available parts with their corresponding part numbers, descriptions, and standard packaging quantities.

Amerex 344 Specifications

General IconGeneral
BrandAmerex
Model344
CategoryFire Extinguisher
LanguageEnglish

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