Pressure Relief Procedure
3A4587D Operation, Repair, Parts 9
Pressure Relief Procedure
Follow the Pressure Relief Procedure
whenever you see this symbol.
1. Perform Grounding Procedure if using flammable
materials.
2. Set pump switch OFF. Turn engine OFF.
3. Turn pressure to lowest setting. Trigger gun to
relieve pressure.
4. Engage the trigger lock. Turn prime valve down.
5. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved:
a. VERY SLOWLY loosen tip guard retaining nut
or hose end coupling to relieve pressure
gradually.
b. Loosen nut or coupling completely.
c. Clear hose or tip obstruction.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury
from pressurized fluid, such as skin injection,
splashed fluid and moving parts, follow the Pressure
Relief Procedure whenever sprayer is stopped and
before sprayer is cleaned or checked, and before
equipment is serviced.
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