How To

How to Change a Propane Tank

Contributor
By eHow Contributing Writer
(15 Ratings)

Changing a propane tank on a gas grill is easier than it looks. Once you become familiar with the parts of a propane tank and the steps involved, you'll be able to change the tank like a pro.

From Quick Guide: Fuel Storage Guide
Difficulty: Moderate
Instructions

Things You'll Need:

  • Wrench
  • Small paint brush
  • Soap solution

    Removing the Tank

  1. Step 1

    Turn the gas supply off by turning the valve screw clockwise. The valve screw is located at the top of the tank.

  2. Step 2

    Determine what type of connection your propane tank has: internal or external. For internal connections the gas line is connected to the tank on the inside of the gas valve. This connection has a hex nut and requires a wrench for connecting and removing. Go to Step 3. For external connections the gas line is connected to the tank on the outside of the gas valve with a Marshall type acme nut. This nut is a large plastic nut with ridges that can be connected and removed by hand. Go to Step 4.

  3. Step 3

    Locate the hex nut that connects the gas line from the grill into the valve opening. Using a wrench, unscrew the hex nut using a clockwise motion.

  4. Step 4

    If your gas line is connected externally with a Marshall type acme nut, you can unscrew the valve connection using your hands. Turn the acme nut in a counter-clockwise motion.

  5. Step 5

    Lift the tank off of the grill platform.

  6. Step 6

    Exchange your old tank for a new tank at a store that provides this service. Most local gas stations and hardware stores offer this exchange. You can refill your old tank at a center that provides propane fuel.

  7. Attaching the New Tank

  8. Step 1

    Place the new or refilled tank on the grill platform with the valve opening facing the grill's gas line.

  9. Step 2

    Connect the gas line to the valve opening, using a counter-clockwise motion if it attaches to the inside of the valve. Use a clockwise motion if you are using the acme nut or an outside attachment.

  10. Step 3

    Test the connection. Apply a professional or homemade (see tip below) soap solution to the valve connection using a small paintbrush. Slowly open the cylinder valve using a half turn. If there are no bubbles, your tank is safely connected.

Tips & Warnings
  • You can purchase a professional soap solution at your local hardware store.
  • To make a homemade soap solution, add one part dishwashing soap to one part water and mix well.
  • Always test your connection with a soap solution. Failure to do so can result in an explosion.

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