Man Hours 1
Special Instructions:
Do not invert (pressurize) any extinguisher that shows signs of mechanical damage
or corrosion. In such cases, unscrew carrying ring, remove bottle of acid or gas
generating agent and destroy extinguisher. Replace with stored pressure type
extinguisher. Handle acid cautiously.
Items to Check & Initial Completion:
1.___ Remove any obstructions to visibility and easy accessibility.
2.___ Inspect shell for dents, broken hanger attachment or handle, corrosion at
seams, and legible operating instructions.
3.___ Replace cracked, cut or brittle hose and nozzle and replace damaged
couplings. Remove obstructions in hose or nozzle.
4.___ Discharge extinguisher as per operating instructions and observe the
performance.
5.___ After removing carrying ring, inspect for damaged threads, corroded cage or
inner chamber, broken acid bottle or stopple, and obstructions in
strainers. Clean extinguisher.
6.___ Recharge according to manufacturer's instructions (do not overfill or
substitute charging agents).
7.___ Replace seal or tamper indicators, tag extinguisher and replace on hanger.
8.___ Do not hydrostatic test these extinguishers. At time of five year testing
cycle, replace the extinguishers with stored pressure type.
Tools & Materials:
1. Standard Tool Kit
2. Spare hoses and couplings.
3. Seals.
4. Tags.
5. Cleaning materials.
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