Graco GX21 Cordless Operation, Parts page 15

c. Submerge suction tube in a
grounded pail partially filled with
water or flushing fluid. When
flushing with oil-based or flammable
materials, follow Grounding
Instructions, page 9.
3. Place Prime/Spray valve in PRIME
position.
4. Install battery. See Battery Installation
and Removal, page 12.
5. Press PushPrime button twice to
loosen inlet ball.
3A8429A
6. Align setting indicator with low setting
on Pressure Control Knob.
7. Turn ON/OFF switch to ON position.
Power button is illuminated when ON.
8. Increase pressure 1/2 turn to start
motor. Allow paint or other material to
circulate through sprayer until material
flows out the drain tube.
9. When sprayer starts pumping, flushing
fluid and air bubbles will be purged from
system. Allow fluid to flow out of drain
tube into waste pail for 30 to 60 sec-
onds.
Operation
15