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Operation
Interior Texture Sprayers
RTX 900 & RTX 1250
311768B
For Water-Based Materials Only
Models: 254974 & 254975
70 psi (0.49 MPa, 4.9 bar) Maximum Fluid Working Pressure
Important Safety Instructions.
Read all warnings and instructions in this
manual. Save these instructions.
Related Manuals
311777
311772
ti8867a
Model 254975 Shown
US C
Conforms to ANSI/UL
standard 1450
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Warnings Warnings The following are general warnings related to the setup, use, grounding, maintenance and repair of this equipment. Additional, more specific warnings may be found throughout the body of this manual where applicable. Symbols appearing in the body of the manual refer to these general warnings. When these symbols appear through the man- ual, refer back to these pages for a description of the specific hazard. Warnings Fire and Explosion Hazard Improper grounding, poor ventilatio
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Warnings Warnings Burn Hazard Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns, do not touch hot fluid or equipment. Wait until equipment/fluid has cooled completely. Electric Shock Hazard To reduce the risk of electric shock: � Be sure sprayer is adequately grounded through electrical outlet. � Use only 3-wire, extension cords. � Make sure ground prongs are intact on sprayer and extension cords. Improper installation of grounding plug wil
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Warnings CAUTION � Water or material remaining in unit when temperatures are below freezing can damage motor and/or delay pump startup. Do not allow unit to freeze. � Before adding material or starting unit in cold weather, run warm water through pump. To ensure water and material are completely drained out of unit: ti9016a 1. Remove material line from sprayer. 2. Tip sprayer up as shown. Before adding material to the hopper, install the burp guard. When only a small amount of material rema
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Component Identification Component Identification Model 254975 Shown A H U bb J cc V B S T W C K Y L D M P N R ti8939a E F G Item Component Item Component AHandle NBurp Guard BToolbox PMaterial/Air Hose C Power Cord (120V, 25 ft) Q Accessories Bag D Side Pump Access Panel (RTX 1250 Only) R Material Thickness Gauge ™ E S Nozzle RotoFlex II Pump (inside) F Pump Hose Outlet T Hose Plug G Air Hose Outlet U Touch-Up Hopper (3/4 gallon) H Material Flow Gauge V Gun Plug J Material Flow Control W Hoppe
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Preparation Preparation Check with a qualified electrician or serviceman if Pressure Relief Procedure grounding instructions are not completely understood, To reduce risk of injury, follow this procedure or if in doubt as to whether the product is properly whenever you see this symbol throughout this grounded. Do not modify plug provided; if it will not fit manual, Also, perform this procedure whenever the outlet, have proper outlet installed by a qualified you: electrician. � Stop spra
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Setup Setup Important � If you are going to stop spraying for more than 5 minutes, turn sprayer off to prevent shortened pump hose life. � Do not allow material to dry inside pump, hoses, gun or spray system. 4. Connect material hose to gun. Texture Spraying (material supplied from unit) ti8705a When using material 5. Make sure burp guard is installed, Caution, page 3. supplied from unit, insert the Gun Plug in the top of the gun. Hose plug must be removed from bottom of gun. ti9010a ti8
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Setup 9. Turn power switch ON. Touch Up Hopper Attachment CAUTION Failure to change selector switch to Hopper Gun when using hopper gun will damage pump hose. ti9222a The Hose Plug must be 10. Close gun air valve. securely fastened to bottom of gun when using the Touch Up Hopper. Gun plug must be removed from top of gun. ti8701a ti8712a 1. Connect air hose to sprayer. 11. Point gun into waste bucket and pull trigger to pump water through the system. Continue to trigger gun 2. Connect ai
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Setup 6. Turn hopper gun/spray gun selector switch to HOP- PER GUN. ti9220a 7. Open gun air valve. ti8528a 8. Turn power switch ON. ti9222a 9. To achieve uniform spray pattern, adjust air valve and flow adjustment nut on gun. If you do not achieve the desired spray pattern, change nozzles (see page 11). ti8532a 9
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Mixing Material Mixing Material 5. Observe the ball on the material. When the material Correct material mixture is essential. The pump is thin enough to spray the ball will sink completely will not operate if the mixture is too thick. into the mixture. READY ADD WATER Mix the material in a separate container before pouring it into hopper. Use Material Thickness Gauge to determine mix- ture is thin enough to spray. *The Material Thickness Gauge will only deter- ti2498a mine if the material i
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Spray Techniques Spray Techniques Recommended Nozzle Selection Chart To Get Less Material Try one or a combination of these methods: 2 1 Application Nozzle Size Air Volume � Open air valve. Simulated 6 mm, white medium to (fine to medium) Acoustic high � Turn gun flow adjustment nut to decrease flow, 8 mm, gray counter-clockwise. (coarse) � Use smaller nozzle. Orange peel 4 mm, beige, medium to 6 mm, white high To Get More Material Splatter 6 mm, white low to coat 8 mm, gray medium Try any o
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Shutdown and Cleanup Shutdown and Cleanup Keep pump and hose clean when switching between simulated acoustic, knockdown and orange peel applications. A dirty pump can release particles of texture into the finish. CAUTION � To increase pump life, turn power off when not spraying. � Before removing material hose be sure pressure is relieved and material is not in hose. � To keep unit in good operating condition, always clean it thoroughly and prepare it properly for storage. 7. Spray inside mat
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Shutdown and Cleanup Removing Material Hopper From Sprayer: 5. Turn power switch ON. The material hopper can be removed for cleaning. To remove material hopper: 1. Loosen bottom fitting. ti9222a 6. Open gun air valve. ti8871a 2. Lift material hopper straight up, off unit. ti8528a 7. Trigger gun to blow air through tip, clearing out any remaining material. 8. Remove hopper from gun and finish cleaning all components. A soft brush may be used to help loosen any dried on material from surface.
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Troubleshooting 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 Generator Requirements, page 6. Breaker tripped Reset breaker. Pump won’t pump material Air lock Open air valve on gun. Selector switch in wrong position Move selector switch to correct posi- tion for
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Troubleshooting Problem Cause Solution Speed of application slow or slower Material too thick Thin material. Nozzle too small Change nozzles to a larger size. See Recommended Nozzle Selection Chart, page 11. Too much air being used. Partially close gun air valve to reduce air flow. Pump hose worn Replace hose. Plugged or dirty gun Relieve Pressure, page 6. Clean gun. Kinked hose Unkink hose. Gun adjustment set too low Increase flow adjustment with flow adjustment nut. Too many items on sam
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Technical Data Technical Data 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 protected, oil-less Compressor air displacement 4.0 scfm at 45 psi Generator required 3500W minimum Electric Motor Universal AC 14 Amp 1.5 Hp Power Cord 16 AWG, 3-wire, 25 ft Material hopper capacity Model 254974: 8 gallons Model 254975: 10 gallons Gun material
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Graco Warranty 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 limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applie
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All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 311768 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2008, Graco Inc. is registered to I.S. EN ISO 9001 www.graco.com Revised 04/2008
