How to install the oil nozzle of a down-the-hole drill

You need to remove the "T" or "L" connector from the top of the nozzles bulkhead assy. Press down on the bulkhead's collet, while pulling on the "T" connector to safely remove. Then remove the top nut off the bulk head. Now take your nozzle and insert it up and through the hole in the cage corner. [pdf]