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How to Screw off the Top of 5-Pound CO2 Tanks

Taking the top off of a 5-pound CO2 tank is necessary when an empty tank needs to be replaced. The top that is on the CO2 tank is the regulator for the gas pressure. When installing a new CO2 tank, you will need to unscrew the regulator from the old tank to attach it to the new tank. To do this, you will need the proper tools to complete the job successfully.

Things You'll Need

Screwdriver
Adjustable wrench

Instructions

- 1
  Close the valve on the top of the CO2 tank by turning it clockwise.
- 2
  Locate the adjustment screw on the regulator. Turn it counterclockwise with a screwdriver. Continue to turn the screw until it stops.
- 3
  Loosen the lock nut on the regulator, if applicable, with an adjustable wrench. Unscrew the regulator by turning it counterclockwise.
- 4
  Lift up on the regulator to separate it from the CO2 tank.
- 5
  Repeat this process to unscrew the regulator from other empty CO2 tanks.

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