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Graco PRO 301ST Owner's Manual page 12

Electric 120vac

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Startup
8. Check all fluld connections for leaks. Relieve
NOTE Spray patterns will change as
tips wear.
pressure before tightening any connections. Change the spray
tip if adjusting the pressure will not
9.
Install the spray tip. Lock the gun trigger safety
first1 See manual
307-848
for how to install the tip.
improve the spray pattern.
10.
Adjust the spray pattern
a. Increase the pressure just until spray from the
gun is completely atomized. To avoid exces-
sive overspray and fogging, and to extend tip
and sprayer life, always use the lowest pres-
sure needed to get the desired results.
b.
If more coverage is needed, use a larger tip
rather than increasing the pressure.
c. Test the spray pattern. To adjust the direction
of the spray pattern, lock the gun trigger
safety and loosen the retaining nut (A). Posi-
tion the tip guard horizontally for a horizontal
pattern or vertically for a vertical pattern. Hold
the tip guard in place while tightening the re-
taining nut. See Fig. 6.
Fig. 6
A
1/4
npsm(m) fluid outlet
A
DO
not
install any
shutoff
device here
A
Rotate clockwise to increase pressure
A
Shown in closed or spray position
A
Fill
1/3 full with
TSL
Fig. 7
02821A
12
308-216

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