Graco GX21 Operation, Parts page 16

Operation
b. Place drain tube in a grounded waste
pail.
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 10.
For Hopper Models
a. Lift drain tube with retainer off the
hopper.
16
b. While holding the drain tube retainer
with drain tube parallel to the top of
a waste pail, twist retainer over the
lip of the pail. Drain tube should now
be inside the waste pail.
c. Pour approximately two quarts (two
liters) of water or flushing fluid into
the hopper. When using oil-based or
flammable material, follow
Grounding Instructions, page 10.
3. Place Prime/Spray valve in PRIME
position.
Install battery. See Battery Installation
4.
and Removal, page 13.
3A8429B