Graco Standard Series Operation, Parts page 20

Startup (Gas Models)
e. Pull starter rope.
ti5263a
f. After engine starts, move choke to
open.
ti5264a
g. Set throttle to desired setting.
ti5251a
h. Set hydraulic pump valve ON
(hydraulic motor is now active).
20
ti9687a
5. Increase pressure enough to start
hydraulic motor stroking and allow fluid
to circulate for 15 seconds; turn pressure
down, turn prime valve horizontal.
15
SEC
6. Disengage spray gun trigger lock.
ti18198a
7. Hold gun against grounded metal
flushing pail. Trigger gun and increase
fluid pressure slowly until pump runs
smoothly. Release trigger and allow
sprayer to build pressure. Engage
trigger lock.
FLUSH
334606B