Careful to remove all pressure from the extinguisher before unscrewing the top assembly from the tank, empty and wash all components with soap and water. Rinse Thoroughly.
Remove pressure gauge by unscrewing it, then re-tapping the threads to 1/8" NPT thread.
Locate and install Shrader air fill valve as detailed below. You are ready to add homemade mace solution, reseal top to tank, then pressurize with air. Tank will proof to 100 PSI, but only 50-70 PSI necessary to empty tank. Pressure check for leaks. Range Approx. 50 ft.
This is an absolutely awesome 'strolling through the hood' self defense weapon for dogs and thugs. Disguised as a harmless fire extinguisher, but with shotgun effect, it packs a powerful debilitating high pressure spray. Enjoy building and using your new weapon.
