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Operation
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
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.
1. Engage trigger lock.
2. Turn engine ON/OFF switch to OFF.
3. Move pump switch to OFF and turn pressure control
knob fully counterclockwise.
4. Disengage trigger lock.
5. Hold metal part of gun firmly to side of grounded
metal pail, and trigger gun to relieve pressure.
6. Engage gun trigger lock.
7. Turn prime valve down to DRAIN position. Leave
prime valve down until ready to spray again.
8. 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.
334121B
b. Loosen nut or coupling completely.
c. Clear hose or tip obstruction.
Trigger Lock
Always engage the trigger lock when you stop spraying
to prevent the gun from being triggered accidentally by
hand or if dropped or bumped.
Setup
1. Connect appropriate Graco high-pressure hose to
sprayer and tighten securely.
2. Select Units: Install whip hose to fluid inlet of spray
gun and tighten securely.
3. Engage gun trigger lock.
Operation
ti22698a
ti23885a
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