Operation
10
3A1182B
Adjusting the Pressure
When adjusting the pressure, turn the Pressure Control
Knob clockwise to increase pressure and counterclock-
wise to decrease pressure. Always use the lowest pres-
sure necessary to completely atomize the material. If
more coverage is needed, use a larger tip rather than
increasing the pressure.
NOTE:
Operating the sprayer at higher pressure than
needed wastes material, causes early tip wear, and
shortens sprayer life.
NOTE:
Check the spray pattern. The tip size and angle
determines the pattern width and flow rate.
Shutdown
1.
Relieve Pressure
, page 7.
2.
Clean the tip and gun as recommended in the sepa-
rate Gun Manual supplied with the gun.
3.
If spraying water-based material or a material that
could harden in the sprayer overnight, flush the
sprayer after use. See
Flushing
, page 8.
4.
For long tern shutdown or storage, see
Flushing
,
page 8.
Storage
Short Term
1.
Flush sprayer with compatible solvent before stor-
ing, then fill the pump and hoses with an oil based
solvent such as mineral spirits or Graco or Airlessco
Pump Armor.
•
For oil base paint: flush with mineral spirits
•
For water-base paint: flush with water, then min-
eral spirits and leave the pump, hose and gun
filled with mineral spirits.
Long Term
For longer storage, use Graco or Airlessco Pump Armor.
Shut off sprayer,
Relieve Pressure
, page 7, and make
sure prime/pressure relief valve is left open.
Start Up After Storage
Before using water-base paint, flush sprayer with soapy
water and then a clean water flush. When using oil-base
paint, flush out the mineral spirits with the material to be
sprayed.
NOTE:
Always store unit indoors.
• To reduce the risk of injection, never hold your
hand, body, fingers or hand in a rag in front of the
spray tip when cleaning or checking for a cleared
tip. Always point the gun toward the ground or into
a waste container when checking to see if the tip is
cleared or when using a self cleaning tip.
• When you spray into the paint bucket, always use
the lowest spray pressure and maintain firm metal
to metal contact between the gun and container.
• To stop the unit in an emergency, turn the engine
off. Then relieve the fluid pressure in the pump and
hose. See
Pressure Relief Procedure
, page 7
