Steps

1. Turn switch to boat
2. Select appropriate deck fitting (located at the bottom left of the 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 machine off