How do I clean my bottom filling HammerHead?

Step by step instructions for cleaning a bottom filling Hammerhead.

Unscrew the bottom inlet assembly (counterclockwise) to remove it from the pump casing. Remove remaining internal pump sub-assembly - grasp top of pump, wiggle side to side and twist while pulling out of pump casing. All parts are now removed from pump. Clean as necessary. Reverse the process to reassemble the pump, starting with STEP 4. Slide internal pump assembly into pump casing. O-ring should slide into casing. NOTE: casing is universal - pump can slide into either end. (See photo) Screw bottom inlet assembly back into pump casing and tighten. Remove the barbed fitting from the top check assembly. Remove the check ball. Clean the check ball, check seal & barbed fitting as necessary. Replace the check ball. Replace the barbed fitting. Tip pump over from top to bottom. You should hear float sliding freely inside body.