Operation
3A7469D 9
Operation
Pressure Relief Procedure
Follow the Pressure Relief
Procedure whenever you see this
symbol.
1. Engage the trigger lock.
2. Shut off the pump.
3. Disengage the trigger lock.
4. Hold a metal part of the gun firmly to a
grounded metal pail. Trigger the gun to
relieve pressure.
5. Engage the trigger lock.
6. Open the fluid drain valve over a waste
container (see System Requirements,
page 7). Leave drain valve open until
fluid is dispensed.
If pressure is not fully relieved:
• Spray tip is clogged. For RAC tip, see
Clean Spray Tips/Clear Clogs, page
10. For flat tip, slowly loosen tip guard
retaining nut to relieve pressure.
Remove and clean the tip.
• Hose is clogged. Slowly loosen hose end
coupling to relieve pressure. Clean the
hose obstruction.
Spray
1. Connect a grounded fluid hose.
2. Without spray tip and tip guard attached,
flush the pump. Use the lowest pressure
possible.
3. Prime. Refer to the sprayer manual.
4. Follow the Pressure Relief Procedure,
page 9.
5. Install the spray tip and tip guard.
6. RAC tips only: In spray position, arrow
on tip cylinder (20c) faces forward.
7. Hold the gun perpendicular and
approximately 12 in. (304 mm) from the
surface. Wear gloves if the fluid
temperature exceeds 110°F (43°C).
8. Move the gun first, then pull the gun
trigger to spray onto test paper.
a. Adjust the fluid pressure until spray
is completely atomized.
b. If adjusting the pressure does not
give a good spray pattern, follow
Pressure Relief Procedure, page
9, then try another tip size.
9. Trigger the gun full-open or full-close.
This equipment stays pressurized until
pressure is manually relieved. To help
prevent serious injury from pressurized
fluid such as skin injection and splashing
fluid, follow the Pressure Relief Procedure
when you stop spraying and before
cleaning, checking, or servicing the
equipment.
20c
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