How to Recharge a Dry Chemical Fire Extinguisher
A dry chemical fire extinguisher can be recharged by a fire extinguisher technician or firefighter. They can also be done yourself if you have the correct equipment and materials. The extinguishers must be recharged so they will work when needed the most. This article will instruct you on how to recharge a dry chemical fire extinguisher.
How to Recharge a Dry Chemical Fire Extinguisher
Squeeze the handles on the fire extinguisher to discharge all of the material from inside the fire extinguisher.
Clean the fire extinguisher and make sure it is not clogged. Use a dry cloth, plain soap and water.
Unscrew the cap from the canister on the top near the handles.
Use a funnel to pour the dry chemical into the fire extinguisher.
Fill the canister to the required level as specified on the package or the line on the fire extinguisher.
Replace the cap and make sure it is sealed tightly.
Place a pressure machine on the fire extinguisher and turn it on.
Remove the pressure machine once the dial reaches the green level or the reading is between 100 pounds per square inch to 150 pounds per square inch. The fire extinguisher is now ready for use.