Maintenance
Flushing
DFlush before changing colors, before fluid can dry in the equipment, at the end of the day, before storing, and before repairing equipment.
DFlush at the lowest pressure possible. Check connectors for leaks and tighten as necessary.
DFlush with a fluid that is compatible with the fluid being dispensed and the equipment wetted parts.
1.Record the pressure adjustment setting of the regulator before flushing.
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 5.
2.Shut off the pump and relieve fluid pressure in the system by triggering the gun and opening the back pressure valve or other bypass valve.
3.Never exceed the maximum working pressure of the lowest rated system component.
4.Open the fluid regulator by turning the adjusting screw (18) fully clockwise.
5.Supply solvent to the system. Set pump to the lowest possible pressure, and start pump.
6.Flush until thoroughly clean.
7.Adjust the fluid regulator to return to the desired fluid pressure setting.
Cleaning
NOTE: Do not allow fluid to settle in the system.
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 5.
1.Relieve the pressure.
2.Remove the regulator. Clean and inspect all parts.
CAUTION
Handle the hard carbide parts, ball (5), valve actuator (9), and seat (6) carefully to avoid damaging them. Damage will cause poor operation and leakage.
6307886
Cartridge Replacement
NOTE: Kit 222140 replaces the fluid regulator valve cartridge. See page 10 for the parts included.
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 5.
1.Relieve the pressure.
2.Remove the cartridge by loosening the valve housing (1) and pulling the cartridge assembly out of the regulator housing (24). See Fig. 1.
3.Install the new cartridge assembly into the regulator housing (24). Torque the valve housing
(1) to 30 to 35
24
1*
Torque to
30 to 35
(41 to 47
Fig. 1
