Graco GM 3000 Instructions-Parts List Manual page 10

Startup
7.
Prime
the
DumD:
h. Relieve pressure by opening the pressure
a.
b.
C.
d.
e.
1 .
9.
h.
.~~
~~ ~ ~
.~
.
Place the suction tube in the bucket of paint.
water, or solvent.
Open the pressure drain vaive.
Set engine speed to idle.
Move the pressure control switch to ON. Turn
the pressure adjusting knob slowly until the
sprayer starts.
from the pressure drain vaive, indicating the
Run the pump until fluid is flowing smoothly
pump is primed.
Move the pressure control switch to
OFF.
If the pump was primed with water or solvent,
solvent and place it in the paint. Repeat steps
remove the suction tube from the water or
b through f.
Close the pressure drain valve.
. ..
8. When the pump is primed:
a. Remove the spray tip.
b. Set the engine speed to full flow.
c. Move the pressure control switch
to
ON. Turn
the pressure adjusting knob slowly until the
sprayer starts.
d. Unlock the gun trigger safety.
e.
Trigger the gun into the pail until fluid flows
from the gun. If pumping solvent or solvent-
based paint, hold a metal part of the gun firmly
against a grounded metal pail.
f. Release the gun trigger and lock the gun
trigger safety.
g. Move the pressure control switch to
OFF,
drain valve.
i. Close the pressure drain valve.
iNJECTlON HAZARD
To reduce the risk of serious injury from
fluid injection, never operate the spray
9.
Install the spray tip in the
gun.
See the separate
tip instruction manual, 307-848, supplied.
10.
Move the pressure control switch to ON.
11.
Adjust the engine speed and pump pressure.
a test paper to checkthe spray pattern and atom-
Unlock the gun trigger safety. Trigger the gun onto
get a good pattern. Then slowly lower the throttle
ization. Turn the pressure adjusting knob until you
setting as far as you can without changing the
spray pattern.
1
A
CAUTION
Always use the lowest needed fluid pressure and
the
the sprayer. Higher settings cause excessive clutch
lowest needed throttle setting, to increase the life of
cycling, premature tip wear and premature pump
wear.
A
CAUTION
Close the black fuel shutoff lever whenever you are
transporting the sprayer to prevent fuel from flooding
the engine.
and when transporting it. This prevents crankcase oil
Keep the sprayer upright and level when operating it
from leaking into the combustion chamber, which
makes startup very difficult.
10 308-620