Application: Man Hours .5
The purpose is to provide for a 6-year maintenance on stored
pressure with gauge fire extinguishers with non-stainless steel shells, with the
requirements of the NFPA Standard, Volume 1, Chapter 10. The work outlined by
this guide card is in addition to the annual maintenance (FPFIREEXSPW/G-A), the
monthly (FPFIREEX-M), and the 12 year hydrostatic testing (FPFIREEXHYDROT).
Special Instructions:
1. Release pressure on extinguisher, without discharging extinguisher agent, and
dismantle extinguisher.
Items to Check & Initial Completion:
1.___ Remove extinguishing agent from inside of shell and hose or nozzle
assembly.
2.___ Examine physical characteristics of extinguishing agent.
3.___ Inspect inner and outer shell for corrosion, dents, broken hanger
attachments, damaged threads, and legible operating instructions.
4.___ Inspect valve assembly for damaged gauge and handles; corroded, cracked, or
blocked siphon tube; corroded or damaged stem and spring; damaged, cut, or
brittle "O" rings and seals.
5.___ Replace cracked, cut, or brittle hose and damaged couplings and nozzles.
6.___ Reassemble and refill shell to proper level with extinguishing agent;
pressurize; replace seal or tamper indicator; tag and replace on designated
hanger.
Tools and Materials:
1. Standard Tool Kit
2. Spare hoses, couplings, and nozzles
3. Seals
4. "O" rings and lubricant
5. Tags
6. Use identification labels
7. Pull pins
8. Cleaning materials
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