The Hayward Tiger Shark Pool Cleaner Cartridge is the filtering element in the unit that does the actually "cleaning" of the water. As the water is drawn through the cartridge debris is caught in the screen, to maintain a properly working cleaner you may need to replace the Tiger Shark Cleaner Cartridge when necessary.
To access the Tiger Shark Cleaner Cartridge, unseat the bottom lid by releasing the Tiger Shark Locking Clips, do this by pushing the clip toward the center to free it from the metal holder bracket. Replacement Tiger Shark Cartridge Assembly part #: 3276-081, Tiger Shark Cleaner Cartridge part #: 70101, Bottom Lid part #: 3276-072, Locking Plate part #: 3276-074
Sit the assembly upside down (opening facing up), at this point you must remove the cartridge. Do so by grasping in the middle and pulling up and out. After this is done inspect the Tiger Shark Cleaner Cartridge Holder for any damage. Replacement Tiger Shark Cartridge Assembly part #: 3276-081
The Tiger Shark Cleaner Cartridge Assembly should be free of all debris and the used pool cleaner cartridges should be removed and discarded at this point, now it is time to install the new Tiger Shark Filters. Do this by sliding the replacement cartridge back into the holder slot of the assembly until the tabs on each side of the cartridge have become flush with the with assembly's mouth. Replacement Tiger Shark Cleaner Cartridge part #: 70101