Pressure Relief Procedure
334606B 15
Pressure Relief Procedure
Follow the Pressure Relief
Procedure whenever you see this
symbol.
1. Engage trigger lock.
2. Turn gas engine or electric motor
ON/OFF switch to OFF. Unplug power
cord to electric motor.
3. Move pump valve to OFF and turn
pressure control knob fully
counterclockwise to lowest setting.
4. Disengage trigger lock. Hold metal part
of gun firmly to side of grounded metal
pail, and trigger gun to relieve pressure.
5. Engage gun trigger lock.
6. Turn prime valve down to DRAIN
position. Leave prime valve down until
ready to spray again.
7. 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, splashing fluid
and moving parts, follow the Pressure
Relief Procedure when you stop
spraying and before cleaning, checking,
or servicing the equipment.
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