Charles B Claremont , NC September 10, 2014 Appliance: Admiral Electric Dryer LNC7764A71 Admiral Dryer Lnc7764a71: My dryer was taking far too long to dry clothes. How to replace Dryer Heating Element Kit. I ordered the heating element kit and swapped out parts in about a half hour or less. Now that I've replaced these parts the dryer is much more efficient. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes