Graco Inc 258733, 7900HD, 3A0242A, 258737, 258738, 258736, 258734, 258731, 258735 Switch Guard Assembly

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Startup

8.Hold gun against grounded metal flushing pail. Trig- ger gun and increase fluid pressure slowly until pump runs smoothly.

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Inspect fittings for leaks. Do not stop leaks with your hand or a rag! If leaks occur, turn sprayer OFF immediately. Perform Pressure Relief Procedure steps 1-3, page 5. Tighten leaky fittings. Repeat Startup procedure steps 1 - 5. If no leaks, continue to trigger gun until system is thoroughly flushed. Proceed to step 6.

9. Place siphon tube in material pail.

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10.Trigger gun again into flushing fluid pail until mate- rial appears.

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Switch Guard Assembly

1.Put trigger safety ON. Insert SwitchTip. Insert seat and OneSeal.

C

B A

2. Insert SwitchTip.

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3. Screw assembly onto gun. Tighten.

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Spray

1.Spray test pattern. Increase pressure to eliminate heavy edges. Use smaller tip size if pressure adjust- ment can not eliminate heavy edges.

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2.Hold gun perpendicular, 10-12 in. (25-30 cm) from surface. Spray back and forth. Overlap by 50%. Trig- ger gun after moving and release before stopping.

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3A0242A

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Contents Operation Fire and Explosion Hazard Pressurized Aluminum Parts Hazard Component Identification Pressure Relief Procedure SetupConvertible Models Only Startup SECSwitch Guard Assembly Hose Reel Clearing Tip ClogsDigital Tracking System Operation Main MenuSecondary Menu Stored Data WatchDog Pump Protection Modes Cleanup 3A0242A 3A0242A 3A0242A Graco Standard Warranty For Graco Canada Customers