What lever are you refering to?
If you donít have a macerator there is no lever just hook up to the deck fitting and suck away. If you have a macerator that is used to overboard dumping at sea the lever handle needs to be in line with the hose to the deck fitting.
PS my 2400 only is connected to the deck fitting so I just hook up anD pump it.
1997 2400 SCR
5.7 Vortec / Bravo 2