Graco Inc. 254974 Paint Sprayer User Manual
Contents
1. _ ti9220a Open gun air valve ti8528a 8 Turn power switch ON ti9222a 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 Mixing Material Mixing Material Correct material mixture is essential The pump will not operate if the mixture is too thick 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 mine if the material is thin enough to pass through the pump For some applications or for higher speed spraying your mixture may need to be thin ner Dry Mix 40 Ib 18 kg bag Ki For best results do not use partial bags of material 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 IT ti2497a 3 Allow ceiling texture to set for at least 15 minutes Then remix prior to use 4 After texture material is thoroughly mixed gently set ball end of Material Thickness Gauge on surface of mixture For an accurate test be sure gauge is completely dry and clean every time it is used 10 5 Observe the ball on the material When the material is thin enough to spray th2. ti8699a 3 Fill hopper with clean water Remove nozzle from gun and allow water to flow through and out of gun 4 Flush until gun is clean Shutdown and Cleanup 5 Turn power switch ON ti9222a 6 Open gun air valve 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 Be sure to keep air passages in needle clean and free of material To improve working condition for future use after clean ing apply a few drops of light oil to e Air hose quick disconnect e Material hose connections e Flow adjustment on gun Transporting the Sprayer The handle and hopper can be removed from the sprayer for storage or transporting To remove hopper from sprayer follow the procedure described on page 13 To remove the handle 1 Loosen two 2 wing nut screws on either side of handle 2 Spread handle apart and remove The handle is only to be used to push or pull the sprayer 13 Troubleshooting Troubleshooting protien e Sage Sprayer won t run Power switch not 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
3. 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 by an authorized Graco distributor 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 applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair o
4. e Use thinner material mixture e Use a larger nozzle Preventing Material Surge at Gun Trigger Pressure will build up in the system when you stop triggering the gun To prevent material surge at initial gun triggering e Point gun away from surface you are spraying when you first pull trigger e When you first start to spray hold the gun away from the surface and gradually work your way closer to it e Keep gun moving e After you begin spraying trigger the gun as little as possible For Continuous Spraying Use trigger lock to hold trigger open and reduce fatigue Check Material Consistency Periodically Check and thin material as needed to maintain proper consistency The material may thicken as it sits and slow down production Agitate periodically 11 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 Texture Spraying 8 10 gallon Material Hopper When you have finished spraying 1 Open gun air valve ti8528a 2 Make sure hopper gun spray gun selection switch is turne
5. F Pump Hose Outlet Hose Plug PumpHoseOwet Dep CU Se epag Ennen Material Hopper 10 gallon RTX 900 cc Hopper Clamp Material Hopper 12 gallon RTX 1250 Preparation Preparation Pressure Relief Procedure whenever you see this symbol throughout this manual Also perform this procedure whenever you To reduce risk of injury follow this procedure e Stop spraying e Check or repair any part of this system e Install or clean spray nozzle 1 Turn Power Switch OFF ti9221a 2 Trigger gun into material hopper ti9084a 3 Open gun air valve ti8711a Grounding and Electrical Requirements This sprayer must be grounded Grounding reduces the risk of electrical shock by providing an escape wire for the electrical current The sprayer cord includes a grounding wire with an appropriate grounding plug The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances Check with a qualified electrician or serviceman if grounding instructions are not completely understood or if in doubt as to whether the product is properly grounded Do not modify plug provided if it will not fit the outlet have proper outlet installed by a qualified electrician e KH A E E d Air hose fittings can get hot Allow sprayer to cool down 15 minutes before removing air hose 120V AC Systems e This equipment requires a 120V AC 60 Hz 15A
6. pressure and good atomization is a balance of atomozing air material thickness material flow and nozzle selection Achieving the correct balance for your application requires experimentation to achieve desired results Keep in mind these important points when adjusting gun e Select proper nozzle for your application See Nozzle Selection Chart Remember the larger the nozzle the heavier the pattern e Start sprayer with gun air flow valve completely open If needed slowly close gun air flow until you get a good spray pattern Use minimum amount of air at spray gun to achieve proper spray pattern and to minimize bounce back Test spray pattern on cardboard Hold gun 18 to 24 in 45 7 to 60 9 cm from surface Use this spraying distance for most applications e Air and material flow adjustments are made at the gun on all units RTX 1250 units have a material flow control selector knob L Opening air valve increases air flow through gun which decreases texture material flow through pump Closing air valve decreases air flow through gun which increases texture material flow through pump To Get Less Material Try one or a combination of these methods e Open air valve e Turn gun flow adjustment nut to decrease flow counter clockwise e Use smaller nozzle To Get More Material Try any one or a combination of these methods e Close air valve e Turn gun flow adjustment nut to increase flow clockwise
7. Operation G g GRACO Interior Texture Sprayers RTX 900 amp RTX 1250 311768B For Water Based Materials Only Models 254974 amp 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 Ja 311772 ti8867a Model 254975 Shown cs Liste Conforms to ANSI UL HOO3 standard 1450 PROVEN QUALITY LEADING TECHNOLOGY 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 A Warnings Fire and Explosion Hazard Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in fire or explosion and serious injury e The system is for use with water based materials only Only use fluids compatible with the equipment Refer to Technical Data of all equipment manuals Read fluid and solvent manufacturers warnings Ground the equipment See Grounding and Electrical Requirements page 6 If there is any static sparking or you feel an electric shock while using this equ
8. ated 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 will result in a risk of electrical shock fire or explosion that could cause serious injury or death Do not operate with cover removed Turn off sprayer Follow Pressure Relief Procedure page 6 and unplug unit before removing any parts Pressurized Equipment Hazard Fluid from gun leaks or ruptured components can splash in the eyes or on skin and cause serious injury e Follow Pressure Relief Procedure page 6 when you stop spraying and before cleaning checking or servicing Do not point spray gun at anyone put hand fingers or rag over nozzle or stop or deflect leaks with your hand body glove or rag Wear protective clothing gloves and eyewear Cleaning Solvent Hazard with Plastic Parts Use only compatible water based solvents to clean plastic structural or pressure containing parts Many solvents can degrade plastic parts to the point where they could fail Such failure could cause serious injury or property damage See Technical Data on page 16 of this instruction manual and in all other equipment manuals R
9. circuit with a grounding receptacle Do not use an adapter with this product A EPL 7 A l ti2810a E Extension Cords e Use only an extension cord with an undamaged 3 prong plug e For 25 to 50 ft 7 6 to 15 2 m cords use 3 wire 14 AWG 1 5 mm minimum e Forup to 100 ft 30 48 m cord use 3 wire 12 AWG 2 5 mm minimum Auxiliary Air Compressor Do not use an auxiliary air compressor with this spray system Generator Requirements 3500 W 3 5 KW minimum Hose Size and Length The system comes with a hose set consisting of a 3 4 in ID x 25 ft 25 mm x 7 6 m material hose and a 3 8 in ID air hose Do not use more than 25 ft 7 6 m of material hose Setup e f you are going to stop spraying for more than 5 minutes turn sprayer off to prevent shortened pump hose life e Do not allow material to dry inside pump hoses gun or spray system 4 Connect material hose to gun e Ce d AN Texture Spraying material supplied from unit 3 ti8705a EEN H em 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 d 17 ti8701a ti9010a 6 Install spray nozzle See Recommended Nozzle 1 Connect air hose and material hose to sprayer air Selection Chart Page 11 and material hose outlets ti9216a 2 Open air valve is ti8528a
10. d to SPRAY GUN ti9219a 3 Turn power switch ON ti9222a 4 Close gun air valve 5 Trigger gun into bucket until most of texture mix is pumped out 6 Fill material hopper with 2 4 gallons of clean water 12 7 Spray inside material hopper to circulate water through gun and hose While circulating water use gun to clean material hopper a y h ti9084a 8 Partially open gun air valve to use air to achieve bet ter cleaning results 9 Spray water into a waste bucket to empty material hopper A soft brush can be used to loosen dried on material 10 Turn power switch OFF 11 Open gun air valve Relieve Pressure page 6 CAUTION If water freezes in unit damage may occur In cold weather store system where it will not freeze Removing Material Hopper From Sprayer The material hopper can be removed for cleaning To remove material hopper 1 Loosen bottom fitting 3 ti8871a 2 Lift material hopper straight up off unit ti8876a 3 Plug opening on bottom of material hopper with your hand 4 Take hopper to cleaning area To Reassemble 1 Place material hopper on sprayer aligning fitting to sprayer 2 Hand tighten fitting Touch up Hopper Attachment When you have finished spraying perform the following steps 1 Shut off compressor Disconnect air line from gun 2 Drain material into a bucket until most of the texture material is out of hopper
11. e ball will sink completely into the mixture READY ADD WATER lt ti2498a 6 Ifthe ball does not sink completely into the mixture within 10 seconds add more water agitate and try test again Premix 1 Slowly add approximately 2 to 4 qts 1 9 to 3 8 liters of water to a 5 gallon 18 9 liter bucket of premix SA ti2493a 2 Agitate to mix using a half inch variable speed drill with a mixing paddle to a smooth lump free consis tency 3 After texture material is thoroughly mixed gently set ball end of Material Thickness Gauge on surface of mixture For an accurate test be sure gauge is completely dry and clean every time it is used 4 Observe the ball in material When the material is thin enough to spray the ball will sink completely into the mixture READY ti2498a 5 Ifthe ball does not sink completely into the mixture within 10 seconds add more water agitate and try test again Spray Techniques Spray Techniques Recommended Nozzle Selection Chart Air Volume medium to high Application Nozzle Size 6 mm white fine to medium 8 mm gray coarse Simulated Acoustic Orange peel 4 mm beige medium to 6 mm white high Splatter 6 mm white low to coat 8 mm gray medium Knockdown 8 mm gray low 12 mm black 1Control air volume with gun air valve For more material volume try a larger nozzle Adjusting the System Sufficient fluid output volume and
12. e for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise TO PLACE AN ORDER OR FOR SERVICE contact your Graco distributor or call 1 800 690 2894 to identify the nearest distributor 17 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
13. ead fluid and solvent manufacturers warnings Personal Protective Equipment You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to Protective eyewear Clothing and respirator as recommended by the fluid and solvent manufacturer Gloves Hearing Protection Warnings CAUTION e 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 e 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 i9016a_ 41 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 remains in the hopper the burp guard prevents material from shooting out when the unit is turned off This material could splash in the operator s eyes or on skin or into the air ti9010a Component Identification Component Identification Model 254975 Shown A SERIAL PARTNO ti8939a aL w E Burp Guard epox memens D Side Pump Access Panel RTX 1250 Only D Material Thickness Gauge RotoFlex II Pump inside
14. ems from circuit Extension cord too long or wrong Use a different extension cord Refer gauge to Grounding and Electric Require ments page 6 Intermittent flow sputtering Hopper connection not tight Check gasket Tighten connection Debris in system Clean system Quick disconnect does not stay con Dirty or corroded fitting Clean thoroughly Soak in oil Apply a nected few drops of light oil Gun will not shut off Worn nozzle or needle Relieve Pressure page 6 Replace worn parts Debris in needle passage Relieve Pressure page 6 Clean Fluid leaking at Flow Adjustment Nut Damaged seal Relieve Pressure page 6 Replace seal Fluid leaking out of either plug Missing or damaged o rings Relieve Pressure page 6 Replace O rings Gun damaged Replace gun Needle adjustment won t adjust Dirty threads Clean threads Nozzle not on gun Put nozzle on gun 15 Technical Data Main unit power requirements Maximum fluid working pressure Maximum air working pressure Compressor specifications Compressor air displacement Generator required Electric Motor Power Cord Material hopper capacity Maximum delivery with texture Dimensions RTX 900 Length Width Height Weight includes hose and gun Dimensions RTX 1250 Length Width Height Weight includes hose and gun Wetted parts Sound data Sound pressure level Sound power level Storage Temperature Range Operating Temperature Range Gun Maximum Wo
15. ipment stop spraying immediately Do not use the equipment until you identify and correct the problem Keep work area free of debris including solvent rags and gasoline Comply with all applicable state and national fire electrical and safety regulations Equipment Misuse Hazard Equipment misuse can cause equipment to rupture malfunction or start unexpectedly and cause serious injury Before operating this equipment read all manuals tags and labels including material labels and instructions Do not expose system to rain Always store system indoors Do not alter or modify equipment Do not spray cementitious materials Do not exceed maximum working pressure of lowest rated component in your system Check equipment daily Repair or replace worn or damaged parts immediately To reduce risk of serious injury including electric shock and splashing fluid in eyes follow Pressure Relief Procedure on page 6 before servicing the unit Do not use hoses to pull equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 130 F 55 C or below 35 F 37 C Store haz ardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Never directly inhale compressed air Compressed air may contain toxic vapors Warnings A Warnings Burn Hazard F Equipment surfaces and fluid thats he
16. r replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liabl
17. rking Pressure Air Maximum Working Pressure CFM Rating Weight Measured while spraying at 1 m Measured per ISO 3744 16 Technical Data 120 Vac 60 Hz 15A 1 phase 70 psi 4 9 bar 50 psi 3 5 bar Universal motor thermally protected oil less 4 0 scfm at 45 psi 3500W minimum Universal AC 14 Amp 1 5 Hp 16 AWG 3 wire 25 ft Model 254974 8 gallons Model 254975 10 gallons Gun material hopper 3 4 gallon RTX 900 0 9 gpm 3 4 lpm RTX 1250 1 25 gpm 4 7 Ipm 23 in 584 mm with handle 18 in 456 mm 40 in 1016 mm 60 Ib 27 2 kg 24 in 609 mm with handle 20 in 508 mm 41 in 1041 mm 65 Ib 29 5 kg brass aluminum plastic 83 2 dB A 97 5 dB A 35 F 160 F 1 6 C 71 C 40 F 115 F 4 C 46 C 70 psi 4 9 bar 100 psi 6 895 bar 3 5 11 CFM 1 1 Ib 500 g 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 applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations
18. ti9215a 3 Connect air hose to gun 8 Turn hopper gun spray gun selector switch to SPRAY GUN 3 ai S ti8534a Gg 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 10 Close gun air valve The Hose Plug must be on securely fastened to bottom of gun when using the Touch Up Hopper Gun plug Ci yY must be removed from top gt WAN of gun ad Ka ti8701a eg l a 11 Point gun into waste bucket and pull trigger to pump 1 Connect air hose to sprayer water through the system Continue to trigger gun 2 Connect air hose to gun until material hopper is empty TE H E f A S AN d 11 tigos4 4 l ti8534a 12 Add pre mixed texture mix to material hopper See Mixing Material page 10 3 Slide hopper on top of gun and tighten clamp 13 Continue to trigger gun and spray into waste bucket 4 Install spray nozzle Page 11 until a steady stream of material sprays out of gun 14 Release trigger To achieve uniform spray pattern adjust air valve and flow adjustment nut on gun If you do not achieve the desired pattern change noz zles page 11 ti8535a 5 Fill Touch up hopper with pre mixed texture See Mixing Material page 10 ti2559a Fluid flow will be restricted if the material hose is kinked Setup Turn hopper gun spray gun selector switch to HOP PER GUN
19. won t pump material Open air valve on gun Selector switch in wrong position Move selector switch to correct posi tion for application Mix too thick Add water to thin material Use Mate rial Thickness Gauge gun from hose Clean gun replacement once every year Pump cold Move pump to warm room and allow itto warm up or run hot water through sprayer Material runs out of bottom of sprayer Pump hose worn out Replace hose Loose fittings Check and retighten all fittings No air from compressor Gun air valve closed Open gun air valve Low voltage Check extension cord length and gauge Replace if different than rec ommended Refer to Grounding and Electrical Requirements page 6 Gun needle plugged Clean needle and retry Worn compressor Replace compressor Contact a qual ified Graco Service Center Lines not connected Check all quick disconnect connec tions to gun and hoses Damaged hose Replace hose 14 Troubleshooting Pepe Cause Per 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 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 same circuit Unplug other it
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