Step 1. Remove the cap.
Step 2. Insert the Diesel Guard’s bottom lugs into the filler.
Step 3. Turn the Diesel Guard unit a quarter turn and let the top lugs into the filler.
Step 4. Turn the Diesel Guard unit another quarter turn until you can see the bottom lugs through the round hole in the top plate.
Step 5. Insert the snap off bolts carefully through the round hole and line up with the thread in the bottom lugs and bit by bit tighten until they snap off.
Step 6. Attach the cable supplied around the neck and crimp in place with the ferrule supplied. Thread on the cap supplied.