Graco 308612J User's Manual
Contents
1. Do not place the pail on a non con ductive surface such as paper or cardboard which interrupts the grounding continuity Operation Operation Pressure Relief Procedure 1 Shut off air supply to the bead tank Relieve pres sure from bead tank 2 Close the master air valve required with air pow ered pumps 3 Actuate the dispensing valve to relieve pressure 4 Leave the drain valve s open until you are ready to dispense again If you suspect that the dispensing valve or hose is com pletely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the hose end coupling and relieve pressure grad ually then loosen completely Then clear the valve or hose Adjustments Set the actuating air to at least 50 psi 3 5 bar for single acting gun and 80 psi 5 5 bar for double acting gun then start the pump Set the glass bead supply tank pressure between 30 psi 2 1 bar and 75 psi 5 2 bar for desired flow rate NOTE Bead delivery will very with each application Always test the system for actual delivery and adjust air pressure or nozzle size as needed Application Data see RoadLazer System manual 3A1214 Nozzle Size Selection Use the Nozzle Size Selection and Bead Delivery Tables to select the size of nozzle for the travel speed and bead coverage to be used These tables are based on a 15 mil paint application 1 Go to Bead Del2. 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 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 THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMIT
3. 18 2 20 4 Bead Delivery Ib min kg min Orifice Diameter 1 0 203 30 280 2 0 234 0 344 0 420 3086125 5 Maintenance Maintenance Clean Dispensing Valve and System Daily Clean the outside of the valve by wiping with a soft cloth dampened with a compatible solvent Never immerse the entire dispensing valve in solvent Immersing in solvent removes lubricants and can damage packings To remove a hardened particle from the orifice blow air through the orifice from the front Oil Dispensing Valve Daily Before each use lubricate with a spray of oil inside the protection tube 13 to prevent fluid buildup on these parts Any buildup could damage the valve packings 16 17 18 t116188b Service Needle Seat and Packings To clean or replace the needle seat or packings pro ceed as follows 1 Follow Pressure Relief Procedure on page 4 a b 2 Remove valve housing Remove cap and spring t116182a Loosen nut A Pull down housing and needle assembly to expose needle shaft t116192a S t116184b 308612J 4 Remove valve seat and o ring from valve housing and remove gun needle t116185a Uy ti16183a 5 Remove seal nut and o ring t116195a 6 Clean all parts Inspect o rings for signs of wear replace as necessary t116194a 7 Lubricate o ring with one drop of oil Install o ring S t116197a 8 Install se
4. ED 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 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 procee
5. Operation gt y GRACO Single Acting and Double Acting Bead Spray Guns for 308612J RoadLazer RoadPak Line Striping System EN For the application of road marking reflective materials For professional use only Model 238338 Single Acting Bead Spray Gun Model 24G979 Double Acting Bead Spray Gun 200 psi 1 38 MPa 13 8 bar Maximum Working Pressure Read all warnings and instructions in this manual Save these instructions e Important Safety Instructions Single Acting Bead Spray Gun Double Acting Bead Spray Gun CE users PROVEN QUALITY LEADING TECHNOLOGY Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama tion point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data i
6. at nut o ring and gun needle t116196a J ti16189a 3086125 Service 9 Install o ring on valve seat and insert into valve housing e lt ti16191a 10 Install retaining nut t116190b Air Piston Spring and Seals 1 Perform Pressure Relief Procedure page 4 2 Remove valve housing step 2 page 6 3 Pull out piston and spring guide then clean and inspect all parts Double Acting Single Acting ti17002a Check the piston o rings carefully Lubricate all parts with a light waterproof grease and reassemble the valve using new parts as necessary Troubleshooting Troubleshooting NOTE Check all possible solutions before disassembling the pump Problem Pp Cause Solution Uneven spray pattern a pressure too low Increase pressure to bead tank or adjust bead pressure regulator Wet beads Drain beads from tank and replace with dry beads 8 3086125 Replacement Parts and Kits Single Acting Gun Replacement Parts and Kits Single Acting Gun Model 238338 Parts List Ref Part Description Qty 2 191201 SEAT valve 3 191196 NUT retaining 191206 HOUSING valve 5 166847 HOUSING valve 6 101554 SET SCREW 3 8 16 x 3 4 in T 191197 CAP air cylinder 8 9 164739 SPRING 164740 GUIDE spring 11 156593 O RING nitrile rubber 12 155685 PACKING o ring 13 191195 TUBE protection 14 102300 NUT jam 7 8 inc hex 15 158486 PACKING o ring 16 NUT packing 17 SEAL n
7. d 308612J Replacement Parts and Kits Double Acting Gun Valve Seat and O Ring Kits Valve Seat Nozzle Size Kit Includes O Ring 0 203 238663 0 234 238666 0 281 238664 0 344 238665 0 420 ft 243668 t Nozzle size 0 420 is optional order separately Accessories Adjustable Bead Deflector Kit 24J173 Allows application of 12 in wide beaded lines Technical Data Single Acting Bead Spray Gun Double Acting Bead Spray Gun 238338 24G979 Maximum working pressure 200 psi 12 bar Operating pressure of air actuated trigger Single Acting Bead Gun Minimum 50 psi 3 bar 80 psi 5 5 bar Maximum 200 psi 12 bar 200 psi 12 bat Air connection 1 4 npt f air inlet Bead connection 3 4 npt f bead inlet Glass bead output 2 40 Ib min 0 9 18 kg min Air consumption 1 2 cfm Spray width 2 12 in 50 304mm Operating temperature 32 120 F 0 49 C Sound pressure level lt 80 dB Sound power level lt 80 dB Measurements at 120 psi Air Cylinder 60 psi Air Bead 3086125 11 Graco Standard 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
8. dings 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 r daction du presente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call 1 800 690 2894 to identify the nearest distributor 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 For patent information see www graco corm patents Original instructions This manual contains English MM 308612 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 1996 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised October 2014
9. eedle 18 191192 NEEDLE gun 19 166702 O RING 20 127285 RING retaining external 21 238341 NUT seal includes 16 17 22 243173 BEAD DEFLECTOR adjustable includes 3 20 meon LD ee ee do do do do do do do do dodo do doo doo do od Included in Repair Kit 238340 Order separately RoadLazer ships with 3 Valve Seat and O Ring kits listed in the following table i ti17001c 3086125 9 Replacement Parts and Kits Double Acting Gun Replacement Parts and Kits Double Acting Gun Model 24G979 10 27 t116178c Parts List Ref y E Included in Repair Kit 238340 Order separately RoadLazer ships with 3 Valve Seat and O Ring Part 191201 191196 191206 166847 101554 16G708 16G763 16G169 156593 155685 191195 102300 158486 191192 166702 127285 238341 24J173 C20179 112698 114109 Description SEAT valve NUT retaining HOUSING valve HOUSING valve SET SCREW 3 8 16 x 3 4 in CAP cylinder SPRING compression GUIDE spring O RING nitrile rubber PACKING o ring TUBE protection NUT jam 7 8 inc hex PACKING o ring NUT packing SEAL needle NEEDLE gun O RING RING retaining external NUT seal includes 16 17 BEAD DEFLECTOR adjustable includes 3 20 O RING 1 8 in not male swivel elbow 1 4 in npt male swivel elbow kits listed in the following table Qty ea em do do do do do do do dodo dodo od od o
10. ivery Lb Min Table and select a Speed in MPH or KPH row b Bead coverage in Pounds Per Gallon kg l column c Value at intersection of MPH KPH row and Pounds Per column is bead delivery in lb min kg min 2 Goto Nozzle Size Selection Table and select a Bead Delivery Ib min kg min column deter mined by Bead delivery Ib min kg min value b Psi value Glass Bead Tank psi bar row c Curve 1 2 3 or 4 at intersection of Glass Bead Tank psi row and Bead Delivery lb min kg min column is nozzle size value d Select nozzle size that allows range of adjust ment for more or less flow NOTE If dispensing reflective elements for double drop application the minimum nozzle size is 280 in If a smaller size is used clogging of the nozzle orifice may occur 308612J Operation Bead Delivery Ib min kg min Speed Bead Coverage in Pounds Per Gallon kg l em uw ste oca 78 sn a 5 9 2 68 os miem ssam var an wiss uzem 100020 11 2 12 4 5 62 14 5 6 58 16 6 7 53 18 7 8 48 naea 102049 100033 wen 053 ao sosa ICI oras naem oora ero 213099 20008 16 3 7 39 19 6 8 89 22 8 10 3 26 1 11 8 29 3 13 3 Nozzle Size Selection 4 08 60 O 7 i D Do MIA s 2 72 40 l 2 04 30 Glass Bead Tank psi bar 0 5 10 15 20 25 30 35 40 45 2 27 4 54 6 80 9 07 11 3 13 6 15 9
11. n all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS from distributor or retailer Do not leave the work area while equipment is energized or under pressure Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations 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 hearing loss inhalation of toxic fumes and burns This equipment includes but is not limited to e Protective eyewear and hearing protection e Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer CALIFORNIA PROPOSITION 65 The engine exhaust from this product contains a chemical known to the State of California to cause cancer birth defects or other reproductive ha
12. rm 2 3086125 Installation Accessories are available from Graco Be sure all accessories are properly sized to withstand the pres sures in the system Mount Valve Mount the valve on a 0 50 in 12 7 mm diameter rod on a mounting fixture or a dispensing machine The bead gun has a clamping set screw for mounting t116199b Connect the Air Lines t116198b L Single Acting Gun Double Acting Gun Clean all lines and connections of dirt burrs etc and blow them out with clean air before connecting them to the system Install an air filter in the air supply line to remove harmful dirt and moisture from the compressed alr 3086125 Installation Connect Material Line Grounding Proper grounding is essential to maintaining a safe sys To reduce the risk of static sparking ground the pump bead spray gun paint spray gun and all other system equipment Pump Use a ground wire and clamp Air compressors and hydraulic power supplies Follow manufacturer s recommendations Air and fluid hoses connected to the pump Use only grounded hoses with a maximum of 500 feet 150 m combined hose length to ensure grounding continuity Dispensing valve Obtain grounding through con nection to a properly grounded fluid hose frame and pump Fluid supply container According to local code All solvent pails used when flushing Ground according to local code Use only metal pails which are conductive
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