1. Shut off all flow from ACE pump.
2. Install pressure gauge between pump and shut off valve.
3. Open Bypass Adjusting Screw 3 or 4 turns.
4. Set tractor throttle to speed at which you will be spraying.
5. Move hydraulic lever to "Lower/Retract" to start pump.
6. Turn Bypass Adjusting Screw clockwise until pressure gauge on sprayer reads between 60 and 100psi. Tighten jam nut.
7. Open sprayer agitation valve to get desired spraying pressure.