Graco 900 - Manual

Preparation 6 Preparation Pressure Relief Procedure To reduce risk of injury, follow this procedure whenever you see this symbol throughout this manual, Also, perform this procedure whenever you: • Stop spraying • Check or repair any part of this system • Install or clean spray nozzle 1. Turn Power ...

Setup 7 Setup Texture Spraying (material supplied from unit) 1. Connect air hose and material hose to sprayer air and material hose outlets. 2. Open air valve. 3. Connect air hose to gun. 4. Connect material hose to gun. 5. Make sure burp guard is installed, Caution, page 3. 6. Install spray nozzle....

Setup 8 9. Turn power switch ON. 10. Close gun air valve. 11. Point gun into waste bucket and pull trigger to pump water through the system. Continue to trigger gun until material hopper is empty. 12. Add pre-mixed texture mix to material hopper. See Mixing Material, page 10. 13. Continue to trigger...

Mixing Material 10 Mixing Material Dry Mix - 40 lb (18 kg) bag 1. Carefully mix texture material and water according to manufacturer instructions on bag. 2. Agitate to mix, using a half-inch, variable speed drill with mixing paddle, to a smooth, lump-free consis-tency. 3. Allow ceiling texture to se...

Spray Techniques 11 Spray Techniques Recommended Nozzle Selection Chart 1 Control air volume with gun air valve. 2 For more material volume try a larger nozzle. Adjusting the System Sufficient fluid output (volume and pressure) and good atomization is a balance of atomozing air, material thickness/m...

Shutdown and Cleanup 12 Shutdown and Cleanup Texture Spraying (8-10 gallon Material Hopper) When you have finished spraying: 1. Open gun air valve. 2. Make sure hopper gun/spray gun selection switch is turned to SPRAY GUN. 3. Turn power switch ON. 4. Close gun air valve. 5. Trigger gun into bucket u...

Shutdown and Cleanup 13 Removing Material Hopper From Sprayer: The material hopper can be removed for cleaning. To remove material hopper: 1. Loosen bottom fitting. 2. Lift material hopper straight up, off unit. 3. Plug opening on bottom of material hopper with your hand. 4. Take hopper to cleaning ...

Troubleshooting 14 Troubleshooting Problem Cause Solution Sprayer won’t run Power switch not on Turn switch on. No power at wall outlet Check outlet by plugging in another appliance. If appliance does not work, try another outlet. Wrong size generator Use a 3500 watt or larger generator. Refer to Ge...

Technical Data 16 Technical Data *Measured while spraying at 1 m.**Measured per ISO-3744 Main unit power requirements 120 Vac, 60 Hz, 15A, 1 phase Maximum fluid working pressure 70 psi, (4.9 bar) Maximum air working pressure 50 psi, (3.5 bar) Compressor specifications Universal motor thermally prote...

Graco Warranty 17 Graco Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or lim...