1. Insert a locking tool into the lock port on one side of the system base.

Figure: Inserting system base locking tools
  1. Insert one locking tool into the lock port on the other side of the system base.

  2. Unlock the system base by turning the locking tools as shown below.

    In the unlocked position, the locking tools cannot be removed from the system base.

  3. Unlocking the system base
    Figure: Unlocking the system base
  4. Move the system.

  5. Lock the system base (see Locking the System Base).