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Graco Inc. 235465 Paint Sprayer User Manual

1. Never soak the entire gun in solvent Prolonged exposure to solvent can ruin the packings Continued on page 6 308237 5 Installation Operation If using the accessory RAC IV tip guard if KEY A Engage the trigger safety latch Rotate the RAC IV tip handle 180 See Fig 4 Disengage the safety latch Trigger the gun into a pail or onto the ground to remove the clog Engage the safety latch Rotate the tip handle to the spraying position If the tip is still clogged engage the safety latch shut off the sprayer and disconnect the power source and open the pressure drain valve to re lieve pressure Clean the spray tip as shown in manual 307 848 supplied with the RAC IV Handle shown in spraying position Turn handle 180 and trigger gun to clear clog Fig 4 How to Flush the Gun WARNING This gun uses a pre orifice in the seat to develop the type of spray pattern required in most circulating systems The pre orifice does not diffuse the spray from the nozzle into an irregular pattern as with the other airless spray guns you may have used Therefore to reduce the risk of an injection injury when the tip guard is not installed such as during cleaning take extra precautions to keep your hands and body away from the nozzle of the gun Always flush the pump and the gun before the fluid being sprayed can dry in it 6 308237 NOTE If it is available the flushing proced
2. trigger the gun to relieve pressure Engage the trigger safety latch Open the pressure drain valve required in system having a container ready to catch the drainage Leave the valve open until you are ready to spray again If you suspect that the spray tip or hose is completely clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen the tip guard retaining nut or hose end coupling to relieve pres sure gradually then loosen completely Now clear the tip or hose Moving parts can pinch or amputate your fingers or other body parts KEEP CLEAR of moving parts when starting or operating the sprayer Follow the Pressure Relief Procedure above be fore checking or servicing any part of the sprayer to prevent it from starting accidentally Due to the high pressure fluid emitted a strong recoil action may occur when you trigger this gun If you are unprepared your hand could be forced back toward your body or you could lose your balance and fall resulting in serious injury Any misuse of the spray equipment or accessories such as overpressurizing modifying parts using incompatible chemi cals and fluids or using worn or damaged parts can cause them to rupture and result in fluid injection splashing in the eyes or on the skin or other serious bodily injury or fire explosion or prop erty damage NEVER alter or modify any part of this equipment doing so could cause it to mal
3. carefully Do not pull on hoses to move equipment Keep hoses clear of moving parts and hot surfaces of the pump and power supply Do not use fluids or solvents which are not compatible with the inner tube and cover of the hose DO NOT expose Graco hoses to temperatures above 180 F 82 C or below 40 F 40 C Proper hose grounding continuity is essential to maintaining a grounded spray system Check the electrical resistance of your fluid hoses at least once a week If your hose does not have a tag on it which specifies the maximum electrical resistance contact the hose supplier or manufacturer for the maximum resistance limits Use a resistance meter in the appropriate range for your hose to check the resistance If the resistance exceeds the rec ommended limits replace it immediately An ungrounded or poorly grounded hose can make your system hazardous Also read FIRE OR EXPLOSION HAZARD below Pump or Sprayer provide appropriate grounding as recom mended in your pump or sprayer instruction manual Fluid hoses use only grounded hoses with a maximum of 500 ft 150 m combined hose length to ensure grounding continuity See Hose Grounding Continuity above Spray gun obtain grounding through connection to a prop erly grounded fluid hose and sprayer Object being sprayed according to local code Fluid supply container according to local code All solvent pails used when flushing according to local code Use only m
4. the tip guard in place on the spray gun while spraying The tip guard alerts you to the fluid injection hazard and helps reduce but does not prevent the risk of accidentally placing your fingers or any part of your body close to the spray tip See Fig 2 Always have the trigger guard in place on the gun when spraying to reduce the risk of accidentally triggering the gun if it is dropped or bumped The fluid housing and heat shield act as a trigger guard for this gun See Fig 2 2 308237 Use extreme caution when cleaning or changing spray tips If the spray tip clogs while spraying engage the trigger safety latch immediately ALWAYS follow the PRESSURE RELIEF PROCE DURE below and then remove the spray tip to clean it NEVER wipe off build up around the spray tip until the pressure is fully relieved and the gun safety is engageed To reduce the risk of serious bodily injury including fluid injection splashing fluid or solvent in the eyes or on the skin or injury from moving parts or electric shock always follow this procedure whenever you shut off the sprayer when checking or servicing any part of the spray system when installing cleaning or changing spray tips and whenever you stop spraying Engage the trigger safety latch Shut off the power supply to the pump and close any bleed type master air valves Disengage the trigger safety latch Hold a metal part of the gun firmly to the side of a grounded metal pail and
5. APOLIS MN 55440 1441 PRINTED IN U S A 308237 12 92 Revised 7 2003 12 308237
6. INSTRUCTIONS PARTS LIST Cs 308237 Rev E RA This manual contains important GRACO Supersedes B and PCN E V warnings and information READ AND RETAIN FOR REFERENCE INSTRUCTIONS Silver Circulating Airless Spray Gun 5000 psi 345 bar Maximum Working Pressure Model 235465 Series B Includes the Standard non reversing DripLess Tip Guard and 2 finger trigger Spray tip not included order separately CE ire H003 Patents Pending INDEX WAININGS 1 eee E 2 J Installation Operation eee 4 System Requirements snanu eenaa 4 How to Use the Trigger Safety Latch 4 01482 How to Use the Gun eee 4 How to Adjust the Spray Pattern 5 How to Clean the Spray Tip and Clear a Spray Tip Obstruction 5 How to Flush the Gun 25 6 SENICE te aio a 4 eared edna dba baat 7 Pals ie ee ee ee 8 ACCESSOMICS in 6 cee eee 10 Technical Data 0 0 cee eee eee 11 Graco Phone Numbers 05 11 Warranty osadene eroin carnage nama noes 11 GRACO INC PO BOX 1441 MINNEAPOLIS MN 55440 1441 COPYRIGHT 1992 GRACO INC This equipment generates very high fluid pressure Spray from the gun leaks or ruptured components can inject fluid through your skin and into your body and cause extremely serious injury including the need for amputation Also fluid injected or splashed into the eyes or on the skin can c
7. If the gasket 2d is not installed the gun will leak 2 Fig 2 01483 Start the pump Adjust the back pressure valve or the Restrict A Flo valve in the circulating system return line Adjust the fluid pressure until the spray is completely atomized Use the lowest pressure necessary to get the desired results Higher pressure may not improve the spray pattern and will cause premature tip wear and pump wear If adjusting the pressure does not give a good spray pattern follow the Pressure Relief Proce dure on page 2 and then try another tip size Use a full open full close triggering action Hold the gun about 14 in 350 mm from and at right angles to the work surface Don t swing the gun in an arc Practice to find the best length and speed of stroke How to Adjust the Spray Pattern How to Clean the Spray Tip and Clear a Spray Tip Obstruction 1 Follow the Pressure Relief Procedure on page 2 Loosen the retaining nut B Turn the tip guard so the groove in the tip is horizontal C for a hori zontal pattern and vertical A for a vertical pattern Tighten the retaining nut To reduce the risk of fluid injection or splashing in the eyes or on the skin do not hold a hand body or rag in front of the spray tip when cleaning or checking a clogged tip Point the gun toward the ground or into a waste container when checking 2 The orifice of the spray tip and the angle of the to see if the spray tip is cleared spray
8. ause serious damage NEVER point the spray gun at any one or at any part of the body NEVER put your hand or fingers over the spray tip NEVER try to blow back paint this is not an air spray system ALWAYS have the tip guard in place on the spray gun when spraying ALWAYS follow the PRESSURE RELIEF PROCEDURE below before cleaning or removing the spray tip or servicing any sys tem equipment NEVER try to stop or deflect leaks with your hand or body Be sure equipment safety devices are operating properly before each use If any fluid appears to penetrate your skin get Tell the doctor exactly what fluid was injected Note to Physician Injection in the skin is a traumatic injury It is important to treat the injury surgically as soon as possible Do not delay treatment to research toxicity Toxicity is a concern with some exotic coatings injected directly into the blood stream Consultationwith a plastic surgeon or reconstructive hand sur geon may be advisable This gun has several safety devices Be sure all of them are oper ating properly before each use Do not remove or modify any part of the gun this can cause a malfunction and result in serious injury Whenever you stop spraying even for a moment always set the trigger safety latch in the engaged or safe position making the gun inoperative Failure to set the trigger safety latch can result in accidental triggering of the gun See Fig 1 ALWAYS have
9. de at a reasonable charge which charges may include the costs of parts labor and transportation DISCLAIMERS AND LIMITATIONS The terms of this warranty constitute purchaser s sole and exclusive remedy and are in lieu of any other warranties express or implied including warranty of merchantability or warranty of fitness for a particular purpose and of any non contractual liabilities including product liabilities based on negligence or strict liability Every form of liability for direct special or consequential damages or loss is expressly excluded and denied In no case shall Graco s liability exceed the amount of the purchase price Any action for breach of warranty must be brought within two 2 years of the date of sale EQUIPMENT NOT COVERED BY GRACO WARRANTY Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose with respect to accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motor 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 Sales Offices Atlanta Chicago Dallas Detroit Los Angeles Mt Arlington N J Foreign Offices Canada England Korea Switzerland France Germany Hong Kong Japan GRACO INC PO BOX 1441 MINNE
10. en Replacement screens for above filters 210731 Three 60 mesh 250 micron screens 210732 Three 100 mesh 149 micron screens 210733 Three 200 mesh 74 micron screens SWIVELS and WHIP HOSES Swivels and whip hoses provide more flexible gun movement for easier handling and less fatigue Working pressures are listed in the descriptions 214925 Swivel 1 4 npsm x 3 8 npt f 5000 psi 350 bar Max Working Pressure 207946 Swivel 1 2 npsm x 3 8 npt f 5000 psi 350 bar Max Working Pressure 204940 Swivel 1 4 npt x 1 4 npsm 3000 psi 210 bar Max Working Pressure 214701 Whip hose nylon coupled 1 4 npsm f x 3 8 npt m spring guards both ends 3000 psi 210 bar Max Working Pressure 10 308237 TOOLS NYLON BRUSHES Use to thoroughly clean the gun s fluid passages 101891 0 375 9 mm dia 101892 0 625 16 mm dia WRENCH 171147 Fits all hexes on the gun TIP GUARDS These tip guards fit all Graco airless spray guns Choose the one that s right for your application One of these tip guards is included with every Graco airless gun 220422 RAC IV DripLess Tip Guard Includes SwitchTip of choice See your distributor for available sizes 220222 Standard DripLess Tip Guard Order flat tip separately See your distributor for available sizes 2 Heavy Duty RAC Tip Assembly Order SwitchTip separately See your distributor for available sizes 222674 Technical Data Maxim
11. etal pails which are conductive Do not place the pail on a non conductive surface such as paper or card board which interrupts the grounding continuity To maintain grounding continuity when flushing or relieving pressure always hold a metal part of the gun firmly to the side of a grounded metal pail then trigger the gun To reduce the risk of fluid injection injury static sparking or splashing be sure the system is properly grounded relieve pressure remove spray tip Hold a metal part of the gun firmly to the side of a grounded metal pail and use the lowest possible fluid pressure during flushing United States Government safety standards have been adopted under the Occupational Safety and Health Act These standards particularly the General Standards Part 1910 and the Construction Standards Part 1926 should be consulted 308237 3 Installation Operation How to Use the Gun System Requirements Keep the wallet sized warning card provided with this gun with the operator at all times The card contains important treatment information should an injection injury occur Additional cards are available at no charge from Graco Inc Be sure your system has a bleed type master air valve pneumatic pumps only and a pressure drain valve These accessories help reduce the risk of serious bodily injury including fluid injec tion splashing in the eyes or on the skin or injury from moving parts if you are adjust
12. function CHECK all spray equipment regularly and repair or replace worn or damaged parts immediately Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer Wear hearing protection when operating this equipment High pressure fluid in the hoses can be very dangerous If the hose develops a leak split or rupture due to any kind of wear damage or misuse the high pressure spray emitted from it can cause a fluid injection injury or other serious bodily injury or property damage All fluid hoses must have strain reliefs on both ends The strain reliefs help protect the hose from kinks or bends at or close to the coupling which can result in hose rupture Tighten all fluid connections securely before each use High pressure fluid can dislodge a loose coupling or allow high pres sure spray to be emitted from the coupling Never use a damaged hose Before each use check the entire hose for cuts leaks abrasion bulging cover or damage or movement of the hose couplings If any of these conditions exist replace the hose immediately Do not try to recouple high pres sure hose or mend it with tape or any other device A repaired hose cannot contain the high pressure fluid Static electricity is created by the flow of fluid through the pump and hose If every part of the spray equipment is not properly grounded sparking may occur and the system may become hazardous Sparking ma
13. ing or repairing the pump or gun The bleed type master air valve air powered pumps only relieves air trapped between this valve and the pump after the air regulator is shut off Trapped air can cause the pump to cycle unexpectedly The pressure drain valve assists in relieving fluid pressure in the displacement pump hose and gun triggering the gun to relieve pressure may not be sufficient Strain the fluid you are spraying if it contains particles which could clog the spray tip How to Use the Trigger Safety Latch 1 Fig 1 4 To engage the trigger safety latch turn the latch A to a right angle with the gun body See Fig 1 To disengage the trigger safety latch push the latch A out and turn it parallel with the gun body ENGAGED DISENGAGED 308237 1 If an accessory in line filter is used connect it to the grounded fluid supply hose Connect the supply hose to one gun port and connect an elec trically conductive fluid return hose to the other port With no tip installed start the pump Flush the pump according to the instructions supplied with it Prime the system with the fluid Follow the Pressure Relief Procedure on page 2 Be sure the trigger safety latch is engaged See Fig 1 Unscrew the tip guard 1 and install the tip A and the gasket 2d in the nut of the tip guard Screw the assembly firmly onto the gun Tighten the assembly with a wrench See Fig 2 NOTE
14. n the date of sale by an authorized Graco distributor to the original purchaser for use As purchaser s sole remedy for breach of this war ranty Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment proven defective This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recom mendations This warranty does not cover and Graco shall not be liable for any malfunction damage or wear caused by faulty installation mis application 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 with Graco equipment of structures accessories equipment or materials not supplied by Graco or the improper design manufacture installa tion 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 claim If the claimed defect is verified Graco will repair or 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 ma
15. pattern determines the coverage and the size of the pattern When more coverage is needed use a larger spray tip rather than increasing the fluid pressure DO NOT try to blow back paint this is NOT an air spray gun DO NOT wipe fluid buildup off the gun or spray tip until pressure is relieved CAUTION The openings in the tip guard reduce paint buildup on the tip guard while spraying Any 1 Follow the Pressure Relief Procedure page 2 damage to the sharp edges of the openings causes paint to collect at that area Never hang 2 Clean the front of the tip frequently during the day the gun by the tip guard to help reduce buildup Also clean the tip and tip guard at the end of each work day Use a solvent soaked brush to clean the spray tip Cleaning during the day Clearing an obstruction KEY If the spray tip clogs while spraying immediately stop A The tip guard is shown in the position for a spraying then vertical spray pattern B Retaining nut i C The tip guard is shown in the position for a Gun 235465 with standard tip guard horizontal spray pattern 1 Engage the trigger safety latch open the pres sure drain valve 2 Remove the spray tip and blow out the obstruc tion by applying air to the front of the spray tip Or let the spray tip and gun nozzle soak to dissolve the obstruction If it won t dissolve jar it out by tapping the back of the spray tip against a flat surface CAUTION
16. per NEEDLE TIP GASKET FLUID HOUSING TRIGGER SETSCREW 1 4 20 PIVOT PIN GUN HANDLE SCREW hex washer hd 10 24 Lubricate then torque to 20 25 ft lb 27 34 N m Lubricate Torque to 30 40 in Ib 3 4 4 5 N m 01487 Purchase separately Ref Qty No PartNo Description Qty 1 13 188128 HEAT SHIELD 1 14 107091 SCREW 1 4 20 2 154 187987 WARNING TAG not shown 1 164 222385 WARNING CARD not shown 1 These parts are also included in Repair Kit 235 475 which may be purchased separately Kit also includes installation tool Part not sold separately A Replacement Danger and Warning labels tags and cards are available at no cost a Si ts si sss sk Notes 308237 9 Accessories FILTERS 3000 psi 210 bar Maximum Working Pressure Adequate filtering is important for a good surface finish and to minimize tip clogging These filters provide secondary filtering Various screen meshes are available Mounts in hose 213068 Includes filter body spring and one 100 mesh screen 213069 Includes filter spring and one 60 mesh screen Use with above filter body 210742 Includes filter spring and one 100 mesh screen Use with above filter body 210729 Includes assembly 213 068 plus a 3 ft 0 9 m whip hose for more flexible gun movement Mounts between hose and gun 210500 Includes swivel adapter and one 100 mesh scre
17. t 3 Remove the diffuser seat 2a and gasket 2b Remove the screw 12 pivot pin 10 and trigger 8 See Fig 5 4 Insert a punch into the rear of the gun and tap it to push the needle 2c out the front of the gun See Fig 6 Clean the internal passages of the gun Grease the rings A of the new needle 2c See sae Fig 7 Fig 8 7 Slide the rear of the needle 2c into the front of the gun Slide the tool B provided with the repair kit into the gun around the needle Lightly tap the tool with a hammer or lightly press the tool against a flat surface to seat the needle See Fig 8 Remove the tool CAUTION Tapping or pressing the tool too hard may jam the tool and damage the needle 02355 Fig 5 8 Grease the end of the needle a 9 Grease the diffuser seat threads Place the new gasket 2b on the diffuser seat 2a and screw the assembly into the fluid housing 6 Torque to 2c 20 25 ft lb 27 34 N m See Fig 5 XN 10 Install the trigger 8 pivot pin 10 and screw 12 See Fig 5 i NOTE No needle or trigger adjustment is needed Fig 6 02356 308237 7 Parts Model 235465 Series B Includes items 1 to 16 Ref No 1 2a 2b 2c 2d 10 12 8 Part No 220222 235475 162863 235484 187985 102207 187965 235471 203953 308237 Description STANDARD TIP GUARD NEEDLE KIT Includes items 2a to 2d DIFFUSER SEAT GASKET cop
18. um Working Pressure 5000 psi 850 bar Fluid Orifice Size 0 037 in 0 94 mm Wetted Parts Stainless steel Polyethylene Polyurethane Nylon Teflon Maximum Fluid Temperature 150 F 71 C Wagt reei vetaad enews aoei a esaa 19 oz 510 g MOT aeia D EAA 1 4 npsm m Maximum material temperature 120 F 50 C Sound Data Sound Pressure Level 78 dB A Sound Power Level 87 dB A Measured while spraying waterbase paint gravity 1 36 through a 517 tip at 3 000 psi 207 bar Per ISO 3744 Teflon is a registered trademark of the DuPont Company Graco Phone Numbers TO PLACE AN ORDER contact your Graco distrib utor or call this number to identify the distributor closest to you 1 800 328 0211 Toll Free FOR TECHNICAL ASSISTANCE service repair information or assistance regarding the application of Graco equipment 1 800 543 0339 Toll Free Manual Change Summary Added CE logo to front page Added Recoil Hazard and hearing protection data to WARNINGS data to page 2 and 3 Deleted Zinc plated carbon steel from wetted parts in Technical Data section on page 11 Added Maximum Material Temperature and Sound Data to Technical Data on page 11 308237 11 The Graco Warranty and Disclaimers WARRANTY Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship o
19. ure provided in your pump or sprayer manual should be used instead of this procedure 1 Follow the Pressure Relief Procedure page 2 2 Remove the tip guard and spray tip Soak and clean the parts 3 Put the pump intake in a grounded pail of water or solvent 4 Start the pump at its lowest pressure 5 Trigger the gun into the original pail When solvent appears release the trigger 6 With the gun trigger released circulate the fluid until the system is thoroughly flushed 7 Follow the Pressure Relief Procedure page 2 To reduce the risk of serious bodily injury including splashing fluid in the eyes or on the skin or static electric discharge when flushing e Be sure the entire system including flushing pails are properly grounded e Remove the tip guard and spray tip e Maintain metal to metal contact between the gun and the flushing pail e Use the lowest possible pressure Service CAUTION Do not attempt to install an old style needle in this gun The front of the new needle is marked with a below the Graco symbol Notes Fig 7 Use Needle Kit 235475 Use all the new parts for the best results Parts included in the kit are shown with one asterisk 2a Keep parts very clean Dried paint or other contami nants cause friction which causes parts to wear faster Needle Replacement 1 Follow the Pressure Relief Procedure page 2 2 Remove the hose tip guard spray tip and gaske
20. y also occur when plugging in or un plugging a power supply cord or using a gasoline engine Sparks can ignite fumes from solvents and the fluid being sprayed dust particles and other flammable substances whether you are spraying indoors or outdoors and can cause a fire or explosion and serious bodily injury and property dam age Do not plug in or unplug any power supply cords in the spray area when there is any chance of igniting fumes still in the air If you experience any static sparking or even a slight shock while using this equipment stop spraying immediately Check the entire system for proper grounding Do not use the system again until the problem has been identified and corrected To reduce the risk of static sparking ground the sprayer and all other spray equipment used or located in the spray area Check your local electrical code for detailed grounding instructions for your area and type of equipment Be sure to ground all of this spray equipment IMPORTANT Do not exceed 5000 psi 345 bar Maximum Working Pressure to the gun Be sure all spray equipment and accessories used are rated to withstand this pressure Do not exceed the maxi mum working pressure of any component or accessory used in the system All chemicals used in the sprayer must be chemically compatible with the wetted parts shown in the TECHNICAL DATA on the back cover Consult your chemical supplier to ensure compati bility Handle and route hoses

Graco Inc. 235465 Paint Sprayer User Manual

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