Amerex 14425 - Manual (Page 5)

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2. Inspect the extinguisher for damaged, missing or substitute parts. Only factory replacement parts are approved
for use on Amerex fire extinguishers.
3. Weigh extinguisher and compare with weight printed in the Maintenance section on the nameplate. Recharge
extinguisher if weight is not within indicated allowable tolerances.
4. Check the date of manufacture on the extinguisher nameplate. Cylinder must be hydrostatically (proof pressure)
tested every 12 years to the test pressure indicated on the nameplate. Check the last date complete maintenance
was performed. Per NFPA 10 these extinguishers shall be emptied and subject to complete maintenance every six
years. All maintenance/service and recharge procedures shall be done at that time.
5. Visually inspect the pressure gauge:
a. if bent, damaged or improper gauge, depressurize and replace.
b. If pressure is low, check for leaks
c. if pressure is low or high and temperature/pressure relationship has been ruled out:
1. Low pressure – check for leaks. Follow procedure for reclaiming Halotron I agent, install necessary
part(s) to repair leak and recharge according to instructions.
2. High pressure (over pressurized or over charged) - depressurize and recharge extinguisher following
instructions in Recharge section.
6. Remove nozzle or hose and nozzle assembly and inspect for damage. Blow air through nozzle or hose and nozzle to
insure that passage is clear of foreign material. Replace component parts with proper Amerex part as necessary.
7. Check ring pin for freedom of movement by breaking the seal and removing the pin. Replace the ring pin if bent or
if removal is difficult.
8. Inspect discharge lever for dirt or corrosion that might impair freedom of movement. Inspect carrying handle for
proper installation. If lever, handle or rivets are damaged or distorted, replace with proper Amerex part(s).
9. Inspect valve assembly for corrosion or damage to hose thread connection. Replace valve assembly or component
parts as necessary following the proper depressurization and recharge procedures. If valve removal is necessary
complete all steps in the Recharge Procedure.
10. Install nozzle or hose and nozzle assembly.
11. Install new tamper seal and record service data on the extinguisher inspection tag.
12. Rehang the extinguisher on the wall hanger bracket making sure that it fits the hanger bracket properly – replace
the bracket if necessary.
RECHARGE
Recharging [NFPA-10]. The replacement of the extinguishing agent and also includes the expellant for this type of
extinguisher.
WARNING
a. Halotron service should be performed only in a well ventilated room by a properly trained service
technician wearing proper eye protection and rubber gloves.
b.
Before attempting to recharge be sure this extinguisher is completely depressurized by slowly and
carefully depressing the operating lever and discharging the extinguisher into a proper collection area.