Graco Contractor King 279005 Instructions Manual page 13

b. Trigger gun, slowly turn air regulator
adjustment knob (G) clockwise until pump
beings to cycle and a steady stream comes
from gun. Trigger gun for 10-15 seconds during
initial setup. If flushing material, trigger gun until
clean solvent flows from gun.
c. After solvent is running clean, turn the air
regulator adjustment knob (G) counter
clockwise until it stops and the gauge reads
zero. The pump will stop. Once the material
stops flowing, release the trigger and engage
the trigger lock.
NOTE: When shutting down the unit for the day, stop
the pump with the rod buried in the pump.
d. Close the bleed type master air valve.
3A9121A
9. If flushing through drain/purge valve:
a. Place drain tube in a grounded waste pail.
Open fluid drain/purge valve (J) slightly by
rotating counterclockwise.
b. Turn air regulator adjustment knob (G)
counterclockwise until air pressure gauge (E)
reads zero
c. Open bleed type master air valve (B).
d. Start the pump by rotating the air regulator
adjustment knob (G) clockwise until pump
begins to move.
Flush
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