ORDER PARTS - The first step is to order the parts you will need. The parts required for this repair are all included in the Dolphin Nautilus Bottom Lid Assembly Parts Set. Included in this set is: 1 - the four panel locks; 2 - two sets of Bottom Latch Locks (springs and latches); and 3 - two sets of Non Return Assemblies (flaps, springs and bases).
REINSTALL FLAP ASSEMBLY - Place the posts of the new Flap Base into the four holes and press down until the posts are fully engages. Make sure that the spring on the Flap Base is positioned on top of the Flap as you are placing the Flap Base into the holes. Repeat this process for the other Non-Return Flap Assembly.