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Operation
NOTE: The back pressure valve controls pressure
ahead of the valve inlet. When used with XM propor-
tioners, the it controls the flow across the valve.
1. Back the adjusting screw out to allow full fluid flow.
2. Turn the screw clockwise to increase the back
pressure (less flow) and counterclockwise to
decrease it (more flow).
3. Adjust the pump air pressure and the back pres-
sure valve for the best spraying combination and
the proper circulation of fluid. Use the lowest
possible air and fluid pressures for your applica-
tion.
4. Tighten the locking nut (3) to lock the setting.
5. Record all the settings for future reference.
NOTE: See the XM Mix Manifold Kits manual for more
information about how the valve operates as a ma-
chine mounted restrictor valve.