Graco 308645D User's Manual
Contents
1. Arrows indicate CO clockwise turn 05972 Service Replace Swivel Reassembly See Fig 10 1 Clean internal thread of handle 6 Disassembl y 2 Install guard retainer 42 cushion o ring 43 and 1 Follow Pressure Relief Procedure on page 5 swivel 15 2 Push up on trigger guard 12 and swing trigger l l guard away from trigger 5 3 Apply PST pipe seal included in Swivel Kit 238817 to external thread of swivel 15 that 3 Unscrew gun handle 6 from housing 26 connects to handle 6 Remove filter and clean in compatible solvent 4 Remove swivel 15 guard retainer 42 and 4 Install swivel 15 into handle 6 Torque swivel to cushion o ring 43 250 In lb 5 Save guard retainer and cushion o ring 5 Engage trigger guard 12 to retainer guard 42 Z 05968 Fig 10 308645 11 Parts Drawing Model 238350 Series A Model 824004 Series A Model 239045 Series A 32 26 23 Included with 1 40 41 AN Purchase separately AA Included with 239045 12 308645 Ref No 1 5 6 10A 1A 15 16 17 18 20 21 22 23 26 Part No 218070 238199 195788 222385 187348 195495 238817 179750 218131 179731 179763 179722 179733 191244 190973 Description NEEDLE DIFFUSER SEAT KIT 4 FINGER TRIGGER standard HANDLE round KIT warning card COVER warning TRIGGER GUARD SWIVEL kit SPRING RETAINER FLUID FILTER2. 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 Performance Series RAC DripLess Guard Order SwitchTip separately See your distributor for available sizes 237859 14 308645 220222 Standard DripbLess Tip Guard Order flat tip separately See your distributor for available sizes 222674 Heavy Duty RAC DripLess Tip Guard Order SwitchTip separately See your distributor for available sizes FINE FINISH RAC TIPS These tips provide and extremely fine finish with more consistent material thickness See your distributor for available sizes TIP EXTENSIONS These tip extensions extend tip from the spray gun to spray hard to reach areas 223390 12 inch extension 223391 18 inch extension 223392 24 inch extension HEAVY DUTY EXTENSIONS Provides extended spraying for hard to reach applications lar eC 224413 12 inch extension 224414 18 inch extension 224415 36 inch extension 224416 72 inch extension 236406 Includes 18 in and 36 in heavy duty extension RAC IV dripless tip guard 180 directional nozzle and 45 swivel Technical Data Maximum Working Pressure 3600 psi 252 bar Fluid Orifice Size 0 125 in 3 18 mm Wetted Parts Stainless steel Polyethylene Aluminum P
3. 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 or 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 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 made at a reasonable charge which charges may include the costs of parts labor and transportation 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 DI
4. ASSEMBLY standard 50 mesh includes replaceable items 16 18 20 21 STRAINER ELEMENT standard 50 mesh SPRING SPRING RETAINER color coded blue for standard 50 mesh filter GASKET END CAP FLUID HOUSING 42 43 45 Parts List Model 238350 Series A Model 824004 Series A Part No 105334 177538 179737 195419 222385 221515 237859 113409 104938 220251 Description LOCKNUT M4 x 0 7 thread TRIGGER STUD ACTUATOR PIN NEEDLE HOUSING WARNING CARD not shown SWITCHTIP SPRAY TIP SZ 515 Performance Series RAC DripLess Guard See manual 308644 for other tip sizes RETAINER guard O RING cushion KIT tip guard A Replacement Danger and Warning labels tags and cards are available at no cost Keep these spare parts on hand to reduce down time 308645 13 Accessories FILTERS 3000 psi 210 bar Maximum Working Pressure Adequate filtering is important for a good surface finish and to minimize tip clogging Elements are available in various mesh sizes Filter elements and assemblies 224455 Two 50 mesh elements 179731 224456 Two 100 mesh elements 179732 218131 50 mesh filter assembly includes spring 50 mesh element and two spring retainers 218133 100 mesh filter assembly includes spring 100 mesh element and two spring retainers TOOLS Nylon Brushes Use to thoroughly clean the gun s fluid passages 101891 0 375 9 mm dia 101892 0 625 16 mm dia
5. Pane EST air aene ea dee ee ee hee ee 13 Technical Data 0 cc ccc eee eee 15 This symbol alerts you to the possibility of damage to Graco Phone Number 000 eee eee 15 or destruction of equipment if you do not follow the Graco Warranty oatccs ve nsiws wee deun eke Laws 16 instructions A WARNING EQUIPMENT MISUSE HAZARD Le Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury INSTRUCTIONS This equipment is for professional use only Read all instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are not sure call your Graco distributor Do not alter or modify this equipment Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component Refer to the Technical Data on page 15 for the maximum working pressure of this equipment Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment Such use could result in a chemical reaction with the possibility of explosion Do not use hoses to pull equipment Route
6. gun safety latch 6 Open the system pressure drain valve Leave the pressure drain 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 loos en the tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Now clear the tip or hose obstruction How to Use the Gun Trigger Safety 1 To engage the gun trigger safety turn the latch counterclockwise toward the handle until the detent of the latch locks on and the pin is at a right angle with the gun body See Fig 1 2 To disengage the gun trigger safety turn the latch clockwise away from the handle to unlock the detent of the latch and turn the pin 180 from the gun body ENGAGED DISENGAGED Fi g 1 05964 308645 5 Installation Operation How to Use the Gun 1 Connect a grounded fluid hose to the gun inlet See Fig 2 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 5 Be sure the gun trigger safety is en gaged See Fig 1 Graco Flat Tip Style Dripless Guard Install the tip A and the gasket B in the nut of the tip guard C Screw the assembly firmly onto the gun Tighten the assembly with a wrench See Fig 2 NO
7. hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 66 C 150 F or below 40 C 40 F Wear hearing protection when operating this equipment Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations 2 308645 4 WARNING INJECTION HAZARD Spray from the gun leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation Fluid splashed in the eyes or on the skin can also Cause serious injury Fluid injected into the skin might look like just a cut but it is a serious injury Get immediate medi cal attention Do not point the gun at anyone or at any part of the body Do not put your hand or fingers over the spray tip Do not stop or deflect leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Always have the tip guard and the trigger guard on the gun when spraying Check the gun diffuser operation weekly See page 8 Be sure the gun trigger safety operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 5 if the spray tip clogs and before cleaning checking or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings d
8. INSTRUCTIONS PARTS LIST Cs 308645 Rev D This manual contains important GRACO warnings and information READ AND KEEP FOR REFERENCE INSTRUCTIONS Contractor FTx Airless Spray Gun 3600 psi 252 bar MAXIMUM WORKING PRESSURE Model 238350 Series A Includes Performance Series RAC DripLess Guard 515 size SwitchTip and 4 finger trigger Model 824004 Series A Includes Performance Series RAC DripLess Guard 515 size SwitchTip and 4 finger trigger Model 239045 Series A Includes Flat Tip Guard and 4 finger trigger ve MEN Wes 05963 Models 238350 824004 GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 COPYRIGHT 1996 GRACO INC Graco Inc is registered to l S EN ISO 9001 Table of Contents Symbols Warnings pe aan oe TEE ae Cae 2 Warning Symbol Installation Operation 0 00 cece eee eee 5 System Requirements 00 cece eee ee 5 How to Use the Trigger Safety Latch 5 A WARNING TONA re OUD ee tpe eta E j This symbol alerts you to the possibility of serious How to Adjust the Spray Pattern 6 injury or death if you do not follow the instructions How to Clean the Spray Tip and Clear a Spray Tip Obstruction 7 l How to Clean the Filter 0 0 0c cece ee eee 8 Caution Symbol OGNIE spis ayant np ENON EE Eai REE REE a 9 Parts Drawing 2 s0s0 cc9tocedeenseed gobetestens 12 A CAUTION
9. SCLAIMS 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 gas engines 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 liable 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 FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la redaction du presente document sera en Anglais ainsi que tous documents avis et procedures judiciaires executes donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les procedures concern es ADDITIONAL WARRANTY COVERAGE Graco does provide extended warranty and wear warranty for products described in the Graco Contractor E
10. TE If the gasket B is not installed the gun will leak Reverse A Clean RAC IV Models 238350 and 824004 Install the RAC IV SwitchTip 40 and the tip guard 41 See manual 308644 supplied See Fig 2 Fig 2 6 Start the pump 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 308645 T If adjusting the pressure does not give a good spray pattern follow the Pressure Relief Proce dure on page 5 and then try another tip size Use a full open full close triggering action Hold the gun about 12 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 1 To adjust the spray pattern direction follow the Pressure Relief Procedure on page 5 Loosen the tip guard retaining nut B Turn the tip guard tip groove horizontally C for a horizontal pattern and vertically A for a vertical pattern Tighten the nut See Fig 3 The spray tip orifice and spray angle determines the coverage and size of pattern When more coverage is needed use a larger spray tip rather than increasing fluid pressure 44 CAUTION The openings in the tip guard reduce paint buildup on the tip guard while sprayin
11. aily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire hose Fluid hoses must have spring guards on both ends to help protect them from rupture caused by kinks or bends near the couplings MOVING PARTS HAZARD Moving parts can pinch or amputate your fingers Keep clear of all moving parts when starting or operating the pump Before servicing the equipment follow the Pressure Relief Procedure on page 5 to prevent the equipment from starting unexpectedly RECOIL HAZARD 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 308645 3 4 WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury e lf there is any static sparking or you feel an electric shock while using this equipment stop spray ing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed Keep the spray area free of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray area Extinguish all open flames or pi
12. d gasket B Remove the locknut D and end cap 23 Tap the rear of the gun with a plastic mallet to push the needle assembly out the front Reassembly See Fig 8 1 10 Guide the threaded end of the needle assembly into the front of the gun Install the end cap aligning its guides with the holes in the rear of the gun Install the locknut D loosely Squeeze the trigger while installing the gasket B and diffuser seat A Torque the diffuser seat to 26 32 ft lb 35 43 N m 308645 4 If the gun handle 6 was removed hand tighten it into the fluid housing 26 it should fit easily Adjust the needle before using the gun Procedure below Be sure the trigger guard and tip guard are installed before using the gun Adjusting the needle See Fig 9 1 Fig 9 rN Engage trigger S Engage the gun safety latch Hold the gun with the nozzle straight up Hold your finger against the trigger with light pressure Turn the locknut D clockwise until you feel the trigger depress slightly Turn the adjusting nut 3 4 turn counterclockwise Connect the fluid hose Install the tip guard and prime the system Trigger the gun and release it The fluid flow should stop immediately Engage the safety latch and try to trigger the gun No fluid should flow If the gun fails either test relieve pressure disconnect the hose and readjust the needle safety latch
13. e the spray tip and blow out the obstruction 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 Gun with RAC IV Tip and Guard Models 238350 and 824004 1 Lock the gun trigger safety Rotate the RAC IV tip handle 180 See Fig 4 2 Unlock the gun trigger safety Trigger the gun into a pail or onto the ground to remove the clog 3 Lock the gun trigger safety Rotate the tip handle to the spraying position 4 If the tip is still clogged lock the gun trigger safety shut off the sprayer and disconnect the power source and open the pressure drain valve to relieve pressure Clean the spray tip as shown in manual 308644 supplied with the RAC IV KEY A Handle shown in spraying position Turn handle 180 and trigger gun to clear clog 05966 Fig 4 308645 7 Installation Operation How to Check the Gun Diffuser Operation 4 Apply lithium base grease to the threads of the gun handle 14 and reassemble the gun Check the diffuser operation weekly The gun diffuser seat A breaks up spray and reduces the risk of fluid injection when the tip is not installed Perform the test below If it fails replace the entire Needle Kit Part No 218070 as instructed on page 7 Diffuser seats are not sold separately since the gun will leak if an old needle is us
14. ed with a new diffuser seat 1 Follow Pressure Relief Procedure on page 5 2 Remove the tip guard and spray tip 3 Start the sprayer and adjust it to the lowest pressure 4 Aim the gun into a grounded metal pail while holding it firmly to the pail Trigger the gun If the fluid emitted is not diffused into an irregular stream replace the entire needle kit immediately See Fig 5 How to Clean the Filter See Fig 6 Clean the filter assembly 17 daily as follows 1 Follow Pressure Relief Procedure on page 5 2 Push up on the trigger guard 12 and swing it away from the trigger 5 3 Unscrew the gun handle 6 from the housing 26 Remove the filter and clean it in compatible Fig 6 05968 solvent Soa aaa aa aaa 8 308645 Installation Operation How to Flush the Gun A WARNING To reduce the risk of serious bodily injury including splashing fluid in the eyes or on the skin or static electric when flushing A WARNING Do not spray paint from the gun with the gun safety latch set to the cleaning position 7 Trigger the gun Rotate the latch clockwise all the way up to the cleaning position as shown in Fig 7 Release the trigger The gun is now in continuous cleaning mode without the need to manually trigger Be sure the entire system including flushing pails are properly grounded the gun Remove the tip guard and spray tip 3 Maintain metal t
15. g Any damage to the sharp edges of the openings causes paint to collect at that area Never hang the gun by the tip guard KEY A _ Tip guard shown in position for vertical spray pattern B Retaining nut C Tip guard shown in position for horizontal spray pattern C Fig 3 Installation Operation How to Clean the Spray Tip and Clear a Spray Tip Obstruction A WARNING 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 to see if the spray tip is cleared 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 Cleaning during the day 1 Follow Pressure Relief Procedure on page 5 2 Clean the front of the tip frequently during the day 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 Clearing an obstruction If the spray tip clogs while spraying immediately stop spraying then Gun with Standard Flat Tip and Guard 1 Lock the gun trigger safety open the pressure drain valve 44 CAUTION Never soak the entire gun in solvent Prolonged exposure to solvent can ruin the packings 2 Remov
16. lot lights in the spray area Do not smoke in the spray area Do not turn on or off any light switch in the spray area while operating or if fumes are present Do not operate a gasoline engine in the spray area Ground the equipment and the object being sprayed Refer to your pump instruction manual TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Know the specific hazards of the fluid you are using Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer A 308645 Installation Operation System Requirements A WARNING 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 A WARNING 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 injection splashing in the eyes or on the skin or injury from moving parts if you are adjusting or repairing the pump or gun 1 The bleed type master air valve air powered pumps only
17. o metal contact between the 8 Aim the gun into the solvent pail Start the pump at gun and the flushing pail its lowest pressure Circulate the fluid until the Use the lowest possible pressure system is thoroughly flushed 9 Trigger the gun and turn the latch counterclock Always flush the pump and the gun before the fluid wise to rotate the pin parallel with the gun being sprayed can dry in it Release the trigger to stop flushing NOTE If it is available the flushing procedure 10 Follow the Pressure Relief Procedure page 5 provided in your pump or sprayer manual should be used instead of this procedure 1 Follow Pressure Relief Procedure on page 5 LATCH 2 Remove the tip guard and spray tip Soak and PIN 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 water or solvent appears release the trigger A i 05969 6 Follow the Pressure Relief Procedure page 5 Fig 70 308645 9 Service Torque to 26 32 ft lb 35 43 N m Fig 8 NOTE The needle C diffuser seat A gasket B and locknut D must be replaced together They are included in Repair Kit 218070 Disassembly See Fig 8 1 Follow the Pressure Relief Procedure on page 5 Remove the tip guard assembly See Fig 2 Squeeze the trigger while unscrewing the diffuser seat A an
18. olyurethane Nylon PTFE Brass Tungsten carbide UHMW Weight o60icaivissdacentdadctwerenes 17 oz 482 g NIET eicere aoe are o gare cane ene eran ee 1 4 nosm m swivel Maximum Material Temperature 120 F 50 C Sound Data Sound Pressure Level 78 dB A Sound Power Level 0 87 dB A Measured while spraying waterbase paint gravity 1 36 through a 517 tip at 3 000 psi 207 bar Per ISO 3744 PTFE is a registered trademark Graco Phone Number TO PLACE AN ORDER contact your Graco distrib utor or call this number to identify the distributor closest to you 1 800 690 2894 Toll Free 308645 15 Graco Warranty Graco warrants all equipment listed in this manual 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
19. quipment Warranty Program 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 Sales Offices Minneapolis Detroit Foreign Offices Belgium Korea Hong Kong Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 PRINTED IN U S A 308645 February 1996 Revised October 1999 16 308645
20. 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 2 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 3 Strain the fluid you are spraying if it contains particles which could clog the spray tip Grounding To reduce the risk of static sparking ground the spray er and all other spray equipment used or located in the spray area Check your local electrical code for de tailed grounding instructions for your area and type of equipment A WARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally Fluid under high pressure can be injected through the skin and cause serious injury To reduce the risk of an injury from injection splashing fluid or moving parts follow the Pressure Relief Procedure whenever you are instructed to relieve the pressure stop spraying check or service any of the system equipment or install or clean the spray tip Pressure Relief Procedure k Engage the gun safety latch Turn the ON OFF switch to OFF Unplug the power supply cord oo y Disengage the gun safety latch Hold a metal part of the gun firmly to a grounded metal pail Trigger the gun to relieve pressure 5 Engage the
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