Tech Tip: Adjusting the New Style Combination Hydraulic Unloader Pilot Valve
Setting Unload Pressure
- Flip toggle to the “RUN” position.
- Loosen jam nut counter-clockwise with 5/8″ end wrench.
- With jam nut loose, turn unload adjustment nut (9/16″) clockwise to increase pressure. Turn counter-clockwise to decrease pressure.
- Stabilize with back-up wrench.
- Tighten jam nut.
Setting Differential Pressure
- Use 7/8″ wrench to loosen jam nut.
- Use 3/4″ wrench to make […]



May’s featured tool at American Caddy Vac is the Triple-Whip (
As the days grow longer, those living in cooler climates fling the windows open to freshen the house with warm spring air. Diligent homeowners also break out the cleaning supplies. For those who are so inclined, spring is the perfect time to refresh the home for the seasons ahead. Clean windows […]
