Graco Inc. 309990C Paint Sprayer User Manual
Contents
1. lowest possible pressure Refer to Compliant Cleaning Methods page 4 to com ply with air quality laws if applicable 1 Follow Pressure Relief Procedure 2 Connect solvent supply to gun fluid inlet 3 Spray into grounded metal waste container until equipment is clean 4 Follow Pressure Relief Procedure Spraying CAUTION Excessive atomizing air pressure can increase over spray reduce transfer efficiency result in a poor quality finish from dry spray Regulatory agencies in certain states prohibit the operation of a spray gun above 10 psi 69 kPa 7 bar atomizing air cap pressure 1 Slowly adjust gun air pressure while fully triggering the gun until you have the desired atomization 2 Adjust the pattern size and shape with the spray width adjustment knob 11 Turn knob clockwise to reduce pattern size and counterclockwise to increase it See Troubleshooting guide if you experience an irregular pattern 3 Fluid control knob 7 is factory set for maximum needle trig ger travel and material flow To decrease needle trigger travel and decrease fluid flow turn knob clockwise 309990C MPFHVLP SPRAY GUN Cleaning and Maintenance A WARNING 2 Follow Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing equipment Read warnings page 2 CAUTION Do not submerge gun in solvent Solvent dissolves lubri cant dries out packings and may clog air pa2. MPFHVLP t 5 2 2 THE SPRAY GUN PEOPLE Mini Pressure Feed Spray Gun FOR PRODUCT INFORMATION CALL 1 800 742 7731 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Maximum Air and Fluid Inlet Pressure 50 psi 345 kPa 3 4 bar Maximum HVLP Compliant Air Pressure 40 psi 276 kPa 2 8 bar Part No 7045 Spray Gun For pressure feed spraying of automotive colors and clears CE Edza SHARPE MANUFACTURING COMPANY P O BOX 1441 MINNEAPOLIS MN 55440 1441 1 800 742 7731 www sharpe1 com 309990C 4 2006 7 WARNING FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static arc Keep work area free of debris including solvent rags and gasoline Do not plug or unplug power cords or turn lights on or off when flammable fumes are present Ground equipment and conductive objects in work area If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury e Do not exceed the maximum working pressure or temperature rating of the lowest rated system compon
3. d b Air pressure too low c Gun held too close to surface Heavy pattern or orange peel No action necessary Rotate air cap 180 If pattern follows air cap problem is in air cap Clean and inspect If pattern is not corrected replace air cap If pattern does not follow the air cap the problem is with the fluid nozzle Clean and inspect the nozzle If the pattern is not corrected replace nozzle a Reduce air pressure b Increase material viscosity c Correct pattern by narrowing fan size with spray width adjustment knob Rotate air cap 180 If pattern follows air cap problem is in air cap Clean and inspect If pattern is not corrected replace air cap Fill fluid supply a Reduce fluid pressure b Increase air pressure c Hold gun about 6 8 inches 150 200 mm from surface 309990C MPFHVLP SPRAY GUN Parts Ref Part No 34802 34825 34819 29049 29053 29050 29036 34823 29033 26022 29047 29036 29046 29056 29055 29030 118749 118741 29028 29029 118956 ox 12a lia 11c Description Gun Body Air Valve Assembly Includes items 2a 2f e Housing e Air Valve Stem e Lock Nut e Ball e Needle Spring e Retainer Needle Packing Nut Needle Packing Plunger Needle Spring Fluid Control Knob Trigger Screw Trigger Width Control Assembly Includes items 11a 11d e Knob e Packing Nut e Packing e Retaining Ring Fluid Needle Ass
4. embly Includes items 12a 12b n gt il h ee ee ee ee ee a a d ee ee ee Ref No 12a 12b 13 12b 7 i k Part No Description 34811 e Fluid Nozzle 29040 e Fluid Needle 34808 Air Cap Parts included in Repair Kit 34835 8 j SHARPE MANUFACTURING COMPANY P O BOX 1441 MINNEAPOLIS MN 55440 1441 1 800 742 7731 www sharpe1 com 309990C 4 2006 Qty a oe 4
5. ense valve leaks or ruptured components can splash in the eyes or on skin and cause serious injury e Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment e Tighten all fluid connections before operating the equipment e Check hoses tubes and couplings daily Replace worn or damaged parts immediately 2 Year Limited Warranty Sharpe warrants this product to the original user against defective material or workmanship for a period of 1 year from the date of purchase Sharpe reserves the right to determine whether the part or parts failed because of defective material workmanship or other causes Failures caused by accident alteration or misuse are not covered by this warranty Sharpe at its discretion will repair or replace products covered under this warranty free of charge Repairs or replacements of products covered under this warranty are warranted for the remainder of the original warranty period Sharpe or its authorized service representatives must perform all warranty repairs Any repair to the product by unauthorized service representatives voids this warranty The rights under this warranty are limited to the original user and may not be transferred to subsequent owners This warranty is in lieu of all other warranties expressed or implied including warranties of merchantability and fitness for a particular purpose Some states do not allow the excl
6. ent See Tech nical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings Check equipment daily Repair or replace worn or damaged parts immediately Do not alter or modify equipment Use equipment only for its intended purpose Call your Graco distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed e Read MSDS s to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines 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 equip ment includes but is not limited to e Protective eyewear e Clothing and respirator as recommended by the fluid and solvent manufacturer e Gloves e Hearing protection PRESSURIZED EQUIPMENT HAZARD Fluid from the gun disp
7. ssages Do not use metal tools to clean air cap holes as this may scratch them and distort the spray pattern Use a compatible solvent Gun can be cleaned in a gun washer Clean air line filters as directed by the manufacturer Volatile Organic Compounds VOC Regulation In certain states spraying solvents that release VOC s into the atmosphere when cleaning a spray gun is prohibited To comply with these air quality laws you must use a cleaning method that prevents the escape of VOC vapors into the atmosphere See Compliant Cleaning Methods below Compliant Cleaning Methods e Place spray gun in a gun washer that completely encloses the gun and components during cleaning rinsing and draining e Spray solvent through the spray gun into a closed gun cleaning station Cleaning Gun Refer to Compliant Cleaning Methods to comply with air quality laws if applicable 1 Follow Flushing procedure page 3 2 Use a rag moistened in solvent to wipe outside of gun 3 Blow dry gun inside and out Lubricate gun as described in Spray Gun Maintenance Cleaning Nozzle and Air Cap CAUTION Trigger gun whenever you tighten or remove nozzle to avoid damaging needle seat and nozzle Do not use metal tools to clean air cap holes as this may scratch them and distort the spray pattern To clean the air cap and nozzle remove and soak them in a compatible cleaning solution Clean them and front of gun with a sof
8. t bristle brush dipped into compatible solvent Do not use a wire brush or metal tools To clean out air cap holes use a soft implement such as a toothpick Spray Gun Maintenance e Frequently lubricate the gun moving parts with a drop of non silicone oil part no 8255 e Do not disassemble the spray gun if you are having a spray pattern problem Check Troubleshooting page 5 for infor mation on how to correct the problem e Check for fluid leakage Tighten fittings or replace equip ment as needed Technical Data Maximum Air and Fluid Inlet Pressure 50 psi 345 kPa 3 4 bar Maximum HVLP Compliant Air Pressure 40 psi 276 kPa 2 8 bar delivers 10 psi 69 kPa 0 7 bar spraying pressure at air cap Wetted Parts stainless steel aluminum brass L D polyethylene Air Consumption 3 5 CFM at 40 psi 276 kPa 2 8 bar Spray Gun e 1 4 npsm R1 4 19 air and fluid inlets e Weight 8 oz 227 grams 309990C MPFHVLP SPRAY GUN Troubleshooting J WARNING 3 Follow Pressure Relief Procedure page 3 before troubleshooting or servicing Read warnings page 2 C Proben cass O soon Normal pattern Dirty or damaged air cap or fluid nozzle Wrong Heavy top or bottom pattern Pressure too high for viscosity of material being sprayed Wrong Split pattern Dirty or distorted air horn holes Will not spray Fluid supply empty a Fluid pressure too high for viscosity of material being spraye
9. usion or limitations of incidental or consequential damages so the above limitations may not apply to you 2 309990C MPFHVLP SPRAY GUN Setup a oS NS Set shop air pressure regulator not supplied according to paint manufacturers recommendation See maximum air and fluid pressures on cover Make sure no air restrictions such as low volume cheater valves obstruct the air flow If an air adjusting valve is desired use a SHARPE Air Adjusting Valve 24AAV part no 2210 36AAV HOV part no 3310 or HOV part no U04410 Install a shutoff valve not supplied downstream of the air regulator to shut off gun air Install an inline air filter not supplied to clean and dry the air supply to the gun Turn off air and fluid supply Connect a clean dry filtered air supply to gun air inlet 2 Connect fluid supply line to gun fluid inlet A If this is first time using the equipment flush the spray gun FIG 1 Operation Pressure Relief Procedure A WARNING 2 Follow Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing equipment Read warnings page 2 1 2 Turn off gun air and fluid supply Trigger the gun to relieve pressure Flushing 7 WARNING Read warnings page 2 Flush before using the equipment before changing colors and when you are done spraying Use solvent that is compatible with gun wetted parts and fluid that will be sprayed Flush at
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