Startup - Graco GM 3000 Instructions-Parts List Manual

Startup
7. Prime the pump:
a. Place the suction tube in the bucket of paint,
water, or solvent.
b. Open the pressure drain valve.
c. Set engine speed to idle.
d. Move the pressure control switch to ON. Tum
the pressure adjusting knob slowly until the
sprayer starts.
e.
Run the pump until fluid is flowing smoothly
from the pressure drain valve, indicating the
pump is primed.
f. Move the pressure control switch to OFF.
g. If the pump was primed with water or solvent,
remove the suction tube from the water or
solvent and place it in the paint. Repeat steps
b through f.
h. 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.
9. Move the pressure control switch to
OFF.
h. Relieve pressure by opening the pressure
drain valve.
i.
Close the pressure drain valve.
INJECTION
HAZARD
To reduce the risk
o f
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 check the 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.
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
c
cycling, premature tip wear and premature pump
wear.
A
CAUTION
transporting the sprayer to prevent fuel from flooding
Close the black fuel shutoff lever whenever you are
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