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Pressure Relief
312900C 19
Pressure Relief
1. Turn the ES ON/OFF valve OFF.
2. Turn off the air bleed valves to the fluid source and
to the gun.
3. Trigger the gun into a grounded metal waste con-
tainer to relieve the fluid pressure.
4. Open the pump drain valve, having a waste con-
tainer ready to catch the drainage. Leave the pump
drain valve open until you are ready to spray again.
5. If the nozzle or hose is completely clogged or pres-
sure is not fully relieved, slowly loosen the hose end
coupling. Now clear the nozzle or hose.
Shutdown
Follow these steps at end of workshift and before clean-
ing, checking, or repairing equipment
1. Flush, page 18.
2. Hang gun from hook. Nozzle must point down.
Pressurized Equipment Hazard
The system pressure must be manually relieved to
prevent the system from starting or spraying acciden-
tally. To reduce the risk of an injury from electric shock,
accidental spray from the gun, splashing fluid, or mov-
ing parts, follow the Pressure Relief Procedure
whenever you:
• are instructed to relieve the pressure
• stop spraying
• check or service any of the system equipment
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