Graco 290/390 Paint Sprayer User Manual


 
Startup
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Startup
1. Turn pressure control to lowest pressure.
2. Turn power ON.
3. Increase pressure 1/4 turn to start motor. Allow fluid
to circulate through drain tube for 15 seconds.
4. Turn prime valve horizontal. Disengage trigger lock.
5. Hold gun against grounded metal flushing pail.
Trigger gun and flush 1 minute.
6. Inspect for leaks. If leaks occur, perform Pressure
Relief, page 10. Tighten fittings.
7. Place siphon tube in paint pail.
8. Trigger gun again into flushing pail until paint
appears.
9.
Move gun to paint pail and trigger for 20 seconds.
Engage trigger lock.
10. Screw tip assembly onto gun. Tighten. For gun
assembly instructions, see separate gun manual.
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ON
OFF
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1/4 turn
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High-pressure spray is able to inject toxins into the
body and cause serious bodily injury. Do not stop
leaks with hand or rag.
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