A Mightier Martello (Grauberg)

Walkthrough

 * Talk to the Machine Outfitter and select to help with upgrading a Martello
 * Go to any Martello located in the zone.
 * Examine the Martello and select the option to upgrade. You will be asked to upgrade the Martello from a specific side.
 * Examine the Martello from the South side and select to complete the upgrade. After finishing the upgrade process you will be given a Cracked fuel reservoir key item.
 * Return to the Machine Outfitter to complete the quest.
 * If for any reason you exit Abyssea - Grauberg, you will lose the Fuel reservoir or the Cracked fuel reservoir depending on which you have acquired.
 * This quest or Refuel and Replenish (Grauberg) can only be done once per Vana'diel day.