Porter-Cable 70-529 Manual page 18

Siphon feed spray gun - high pressure
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DO NOT ATTEMPT
TO UNCLOG (BACK
FLUSH) SPRAY GUN BY SQUEEZING
TRIGGER WHILE HOLDING FINGER IN
FRONT OF FLUID NOZZLE.
Pressure may vary
according to
viscosity of material used. Maximum
working pressure of gun is 50 psi. DO
NOT EXCEED PRESSURE LIMIT OF
GUN OR ANY OTHER COMPONENT IN
SYSTEM!
Prior to daily
operation, make
certain that all connections and fittings
are secure. Check hose and all con-
nections for a week or worn condition
that could render system unsafe. All
replacement components such as
hose or fittings must have a working
pressure equal to or grarter than
system pressure.
Prior to shipment, this spray gun was treated with an
anticorrosive agent. Before use ,make sure that it is
carefully flushed with thinner.
1. Mix material according the manufacturer's instructions.
Mixture should be smooth and easily pourable. Lumps or
foreign particles should be removed by straining through
a suitable paint filter.
NOTE: If not using the siphon feed setting, see "Remote
Pressure Feed" paragraphs.
2. Remove the material cup (e) from lid/gun assembly.
NOTE: Slide release lever (f) to the right, rotate lid, and
remove material cup (e).
3. Fill the material cup (e) ¾ full.
4. Attach material cup (e) to the lid/gun assembly and slide release lever (f) to clockwise to secure
in place.
5. Attach air supply line to ¼ NPS air inlet (c).
6. Adjust spray pattern.
a. The position of the air cap horns (g) will determine the spray pattern. Loosen air cap (h) and
rotate horns to achieve desired pattern. Tighten air cap.
b. Amount of material released (density of "fan spray") is controlled by (d) fluid control knob.
Turn knob counterclockwise to increase, or clockwise to decrease, the fluid flow.
c. Width of "fan spray" is governed by (b) spray pattern control knob. Turn knob counter-
clockwise to increase, or clockwise to decrease, air flow.
7. Depress spray gun trigger fully to spray material. NOTE: Depress trigger partially will cause
only air to be released.
NOTE: Care should be exercised when handling spray gun to avoid damage to the orifice of the air
cap and tip of fluid nozzle. Damage to these part results in irregular spray patterns.
OPERATION
h Air Cap
g Horns
b Nut
d Fluid
f
Lever
c 1/4" NPS
e Material Cup
Horizontal position
Vertical position
b Spray
Pattern
Knob
Control
Knob
Air Inlet

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