PN 16303
04/2020
INSPECTING THE EXTINGUISHER
This extinguisher must be inspected at regular intervals (monthly or more often if
circumstances dictate) to insure that it is ready for use. Inspection is a "quick check" that a
fire extinguisher is available and is in operating condition. It is intended to give reasonable
assurance that the fire extinguisher is fully charged. This is done by verifying that it is in its
designated place, that it has not been actuated or tampered with, and that there is no obvious
physical damage or condition to prevent its operation.
MAINTENANCE
NFPA 10 At least once a year, or more frequently if circumstances require, maintenance shall be
performed. Maintenance is a "thorough check" of the extinguisher. It is intended to give maximum
assurance that a fire extinguisher will operate effectively and safely. It includes a thorough
examination for physical damage or condition to prevent its operation and any necessary repair or
replacement. It will normally reveal if hydrostatic testing or internal maintenance is required.
MAINTENANCE –
SERVICE PROCEDURE
1.
Clean extinguisher to remove dirt, grease, or foreign material. Check to make sure that the instruction
nameplate is securely attached and legible. Inspect the cylinders for corrosion, abrasion, dents, or weld
damage. If any damage is found, hydrostatically test in accordance with instructions in CGA C
-
1 and C
-
6
and NFPA 10.
Note: When cleaning, avoid use of solvents around the pressure gauge. They could seriously
damage the plastic gauge face.
2.
Inspect the extinguisher for damaged, missing, or substitute parts. Only factory
-
replacement parts are
approved for use on Amerex fire extinguishers.
3.
Weigh the extinguisher, and compare with weight printed in the "Maintenance" section on the nameplate
(label). Recharge extinguisher if weight is not within indicated allowable tolerances.
4.
Check the date of manufacture printed on the extinguisher label (nameplate) or on the agent cylinder
dome. The agent cylinder must be hydrostatically tested every 5 years to the test pressure indicated on
the nameplate. REPLACE EXTINGUISHING AGENT WITH NEW AMEREX CHARGE AT TIME OF
HYDROTEST.
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 over pressurized (overcharged), depressurize the extinguisher and follow recharge instructions.
6.
Check pull pin for freedom of movement. Replace if bent or if removal appears difficult.
7.
Inspect discharge lever for any dirt or corrosion which might impair freedom of movement. Inspect
carrying handle for proper installation. If lever, handle, or rivets are damaged replace with proper Amerex
part(s).
8.
Install new tamper seal if broken, and record service data on the extinguisher inspection tag.
9.
Remove hose and wand assembly, inspect for damage, replace as necessary. Blow air through nozzle or
hose and horn to insure passage is clear of foreign material.
10.
Inspect the 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.
11.
Install hose and wand assembly. Torque swivel nut lightly with 15/16" wrench.
