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PN 05616 04/2020
INSPECTING THE EXTINGUISHER
This extinguisher shall 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.
PERIODIC INSPECTION PROCEDURES
(Monthly or more often if circumstances dictate)
NFPA 10 Periodic inspection of fire extinguishers shall include a check of at least the following items:
1. Location in designated place.
2. No obstruction to access or visibility.
3. Pressure gauge reading or indicator in the operable range or position.
4. Operating instructions on nameplate and facing outward.
5. Tamper seal not broken or missing.
6. Examination for obvious physical damage, corrosion, leakage, or clogged nozzle.
7. Determine fullness by weighing.
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 fastened and legible. Inspect the cylinders for corrosion, abrasion, dents or weld
damage. If any damage is found, hydrostatically test to factory test pressure 720 psi (4964 kPa), using the
proof-pressure method, in accordance with instructions in C-6 and NFPA 10. See proper method of
depressurizing and reclaiming chemical in Recharge procedures.
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 inside the bottom lip of the
cylinder. The agent cylinder must be hydrostatically tested every 12 years to the test pressure indicated
on the nameplate [720 psi (4964 kPa)].
5. Visually inspect the pressure gauge:
6. Check pull pin for freedom of movement. Replace if bent or if removal appears difficult.
7. Inspect the discharge lever for any dirt of corrosion which might impair freedom of movement. Inspect
carrying handle for proper installation. If lever, handle, or rivets are damaged replace with factory
replacement parts.
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.