Typically the head of the extinguisher can simply be unscrewed with your hands like the lid of a jar. If the head is tight, use a wrench to loosen it.
How do you open a fire extinguisher?
Using a fire extinguisher
- Pull: Pull the pin, this will break the tamper seal.
- Aim: Aim low, pointing the nozzle or hose at the base of the fire. …
- Squeeze: Squeeze the handle to release the extinguishing agent.
- Sweep: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.
How do you depressurise a fire extinguisher?
To depressurize hold the extinguisher in an inverted position, hold discharge nozzle and squeeze the discharge handle, be careful a small amount of agent will be discharged. Thoroughly clean all valve parts after depressurizing and valve removal.
Does fire extinguisher expire?
Even if there’s no expiration date, it won’t last forever. Manufacturers say most extinguishers should work for 5 to 15 years, but you might not know if you got yours three years ago or 13. … If it falls anywhere else, the extinguisher is unreliable and should be serviced or replaced.
Can you Repressurise a fire extinguisher?
Put the reassembled valve assembly out of the way on a clean, dry surface. Tighten the valve stem in place with a wrench to ensure that the pressurizing gas doesn’t leak once the extinguisher is repressurized.
Is it worth recharging fire extinguishers?
Fire extinguishers need to be recharged periodically throughout their life, even if they haven’t been used. … For the most commonly used stored pressure dry chemical fire extinguishers, this internal examination and recharging is required at six and twelve years from the date of manufacture noted on the extinguisher.
Can you replace the pin in a fire extinguisher?
Yes the pin would need replacing as it could jam in an emergency. It can be replaced by breaking the tamper seal, removing the old pin, inserting a new pin and replacing the tamper seal. This should be performed by a competent person.
Which part of fire extinguisher should pull first to unlock it?
For an easy-to-remember 4-step process to operating a fire extinguisher, learn the PASS system: Pull the pin while holding the extinguisher away from you to unlock the mechanism. Aim low toward the base of the fire. Squeeze the lever slowly.
Can fire extinguisher be refilled with oxygen?
Oxygen cylinders are made of tough metal, and are tested as per the protocol before they are deemed fit for use and refilling. … If a fire extinguisher is used for refilling oxygen, it may burst because of the high pressure and cause danger to human lives,” said Delhi Fire Services (DSF) chief Atul Garg.
What do you do with an empty fire extinguisher?
For fully or partially charged fire extinguishers, call your local fire department and ask if you can drop off expired fire extinguishers at the firehouse. If they don’t accept old canisters, take your extinguishers to a hazardous waste disposal facility.
Is there any danger in dropping a fire extinguisher?
Because fire extinguishers are pressurized, dropping one may result in damage to the functionality of the extinguisher. If you accidentally drop a fire extinguisher, make sure that you keep it in an isolated area and to contact a professional to handle it.