How do I lower the pick-up tube for my genset

Extended my generator fuel pickup tube an extra 3 inches. I traced the pickup line from the generator and then removed the pickup tube from the tank. I was able to purchase a nylon fuel line repair kit at Auto Zone PN 800-064 for $15.99. The kit came with both a 5/16 and 3/8 nylon fuel line about 18 inches long. I needed the 5/16 line. I just cut off the old nylon line, heated the end of the new line with a hair dryer and it slipped right on the fitting. I trimmed the line at a 45 degree angle 3 inches longer than the original pickup tube. I really don't rely on my fuel gauge and try to fill around 500 miles into a tank so don't think I will have any problems as that is about 3/4 of a tank. Just tired of my generator running out of fuel on the hills at about 300 miles in to a tank.