1-Turn switch to boat.
2-Select appropriate deck fitting (located at the bottom left of machine).
3-Connect green hose to deck fitting.
4-When pressure has reached -10 Lbs, open green valve.
5-Pump out is completed when there is no more movement in sight tube.
6-Close green valve and hang hose up.
7-Important to drain machine after each use, turn switch to drain, wait 10 seconds and open red valve located at the base of the machine.
8-Turn off the machine.