AIRLESSCO SS4550 - Manual (Page 7)

4 5
SETTING UP
FIG. 1
1. CONNECT THE HOSE AND GUN
2. FILL THE PACKING NUT/WET CUP
3. CHECK THE ENGINE OIL LEVEL
4. FILL THE FUEL TANK
a. Remove the plastic cap plug from the outlet and screw a
conductive or grounded 3000 psi spray hose onto
fluid outlet.
b. Connect an airless spray gun to the other end of the
hose, but do not install the spray tip yet!
NOTE: Do not use thread sealer on swivel unions as they
are made to self seal.
NOTE: The first 50’ of hose should always be 3/8".
Fill the Packing Nut/Wet Cup 1/3 full with Airlessco Throat
Seal Oil (TSO). FIG 1 BELOW.
a. Unscrew the oil fill plug. The dipstick is attached to
the plug.
b. Without threading the plug into place, check to be sure
the oil is up to the top mark on the dipstick.
c. If oil is needed, refer to engine manual.
WARNING: Fuel spilled on a hot surface can cause a fire or
explosion and cause serious bodily injury and property dam-
age. Always shut off the engine and let it cool before filling
the tank, and carefully follow steps a - c below being sure not
to spill any fuel.
a. Close the fuel shutoff valve.
b. Use only clean, fresh, well-known brands of unleaded
regular grade gasoline.
c. Remove the fuel cap and fill tank. Be sure the air vent
in the fill cap is not plugged so fuel can flow to the
carburetor, then replace the cap.
Your unit was factory tested in an anti-freeze solution which
was left in the pump. Before using oil-base paint, flush with
mineral spirits only.
Before using water-base paint flush with mineral spirits,
followed by soapy water, then a clean water flush.
Flush with a compatible solvent such as mineral spirits or
water.
Flush with soapy water, then mineral spirits.
Flush with mineral spirits, followed by soapy water, then a
clean water flush.
3. CHANGING FROM WATER-BASE TO
OIL-BASE PAINT
4. CHANGING FROM OIL-BASE TO
WATER-BASE PAINT
Oil-base paint: Flush with mineral spirits.
Water-base paint: Flush with water, then mineral spirits and
leave the pump, hose and gun filled with mineral spirits.
For longer storage, use mixture of mineral spirits and motor
oil (half & half). Shut off the sprayer, follow PRESSURE
RELIEF PROCEDURE on page 9 to relieve pressure and
make sure prime valve is left open.
Before using water-base paint, flush 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.
1. NEW SPRAYER 5. STORAGE
6. START UP AFTER STORAGE
FLUSHING
2. CHANGING COLORS