Graco 307886K User's Manual
Contents
1. Torque to 30 to 35 ft lb 41 to 47 N m i A ee ee a J N E 19 n Hytrel requires uniform compression Hytrel Torque each bolt no more than 1 8 turn at a off white time in the sequence shown Repeat pattern until uniform torque of 60 70 in lb 6 8 7 9 N m is obtained Hytrel diaphragm should never extrude more than 1 16 in on a side Torque Sequence Hytrel is a registered trademark of the DuPont Company Fi g 2 7533A 307886 7 Notes 8 307886 Troubleshooting NOTE Check all possible remedies in the table below A WARN NG before you disassemble the valve To reduce the risk of serious bodily injury including fluid injection splashing in the eyes or on the skin or injury from moving parts always follow the Pressure Relief Procedure on page 5 whenever the pump is shut off before installing cleaning adjusting removing or servicing the valve or any part of the system and whenever you stop spraying Problem Cause Solution No pressure regulation Damaged diaphragm 26 or 27 Damaged valve actuator 9 Replace diaphragm See page 7 Replace valve actuator See page 7 Pressure creeps above Damaged diaphragm 26 or 27 setting Ball 5 or seat 6 leaking or dirty Replace diaphragm See page 7 Replace the cartridge or clean seat See page 7 Pressure drops below setting Empty clogged supply line Using valve beyond its rated2. IN and OUT markings on the regulator body The regulator was tested in lightweight oil Flush the entire Single Direct Spray Station system with a solvent compatible with the fluid being sprayed or dispensed then test the system 4 307886 Operation Pressure Relief Procedure 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 e Are instructed to relieve the pressure e Stop spraying Check or service any of the system equipment Install or clean the spray tip 1 Lock the gun trigger safety and any other equipment safety locks 2 Turn off the power to the pump 3 Unlock the gun trigger safety 4 Close the bleed type master air valve required in your system 5 Hold a metal part of the gun firmly to the side of a grounded metal pail and trigger the gun to relieve pressure 6 Lock the gun trigger safety 7 Slowly open the drain valve required in your system and have a container ready to catch the drainage 8 Leave the 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 follo
3. 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 ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information TO PLACE AN ORDER contact your Graco distributor or call one of the following numbers to identify the distributor closest to you 1 800 328 0211 Toll Free 612 623 6921 612 378 3505 Fax 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 MM 307886 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 www graco com PRINTED IN U S A 307886 10 1988 Revised 6 2005 14 307886
4. 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 307886 3 Installation KEY Air regulator pP Bleed type master air valve M E Pump F Fluid filter amp drain valve Main fluid supply line r o Gun fluid supply line Fluid regulator Fluid pressure gauge he Te amp drain valve C Air assisted spray gun Back pressure valve A B Fluid return line Main circulating line Fluid supply container ILOMmMmMoIUOWDSD Zar ae NOTE The Typical Installation drawings are only guides for selecting and installing a circulating or direct system They are not actual system designs Contact your Graco distributor for the particular type and size system best N suited for your needs e lt Install the fluid regulator s G in the spray gun fluid supply line F as shown in the Typical Installation drawing above or at right Connect only one spray gun or dispensing valve to each fluid regulator Using pipe sealant on pipe threads connect the fluid supply line F to the fluid regulator s 1 4 npt f inlet Connect the line from the gun J to the regulator s 1 4 npt f outlet Make sure the direction of fluid flow agrees with the
5. Instructions Parts List STAINLESS STEEL WATERBASE COMPATIBLE Fluid Pressure Regulator 307s886x fig For use in air assisted system to regulate pressure to gun S Fluid regulator valve is cartridge mounted for quick in line replacement Model 222121 Series B nee 1500 psi 10 3 MPa 103 bar Maximum Fluid Inlet Pressure 150 1200 psi 1 0 8 3 MPa 10 4 83 bar Regulated Fluid Pressure Range Patent Pending Important Safety Instructions Read all warnings and instructions in this manual Save these instructions A N Table of Contents Safety WarningS ccc cece eee eens 2 Installation 00 52 3554 lt seth be agedat bested deewews 4 f Operation anana naana eee eens 5 Maintenance 0 00 eee 7 Troubleshooting 00 cece eee eee 9 Paris DIAWING 242204 t2sssesurg vewroaceoduhe ses 10 ES WISE oc ewes gees Cope ora E tn one eee eee 11 ACCESSONGS 2s2gscartevsetnweicisdenecaged en ne 11 a Performance Charts 0 ccc eee eee 12 Dimensional Drawing 00 cee een ees 12 Technical Data 0 0 cc eee 13 WOANMAINY ciescecusttwnd deo tees bas cota ene oan 14 Graco Information 0 00 cece eee eee 14 7531A GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 PROVEN QUALITY LEADING TECHNOLOGY Copyright 1988 Graco Inc is registered to l S EN ISO 9001 Symbols Warning Symbol Caution Symbol This symbol alerts
6. ces the fluid regulator valve cartridge See page 10 for the parts included A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 5 1 Relieve the pressure 2 Remove the cartridge by loosening the valve housing 1 and pulling the cartridge assembly out of the regulator housing 24 See Fig 1 3 Install the new cartridge assembly into the regulator housing 24 Torque the valve housing 1 to 30 to 35 ft lbs 41 to 47 Nem C117 Sfp gt 24 N Loa Le e G or Torque t E 30 to 35 ft lb aE 41 to 47 N m Fig 1 Maintenance Diaphragm amp Valve Actuator Replacement 4 Remove the diaphragms 26 and 27 Inspect the carbide pin in the valve actuator 9 for wear A WAR N N G Replace if necessary To reduce the risk of serious injury whenever you 5 Install the new diaphragms with the PTFE are instructed to relieve pressure always follow the diaphragm 26 facing toward the regulator Pressure Relief Procedure on page 5 housing 24 as shown in Fig 2 1 Relieve the pressure 6 Install the valve actuator 9 and six cap screws 19 Torque the cap screws in the order shown in 2 Remove the regulator from the fluid line Fig 2 3 Remove the six cap screws 19 from the regulator housing 24 See Fig 2 24 AARAA ea 0 Oa K C
7. flow capacity See page 13 Fill flush supply line Install valve for each spray gun or dispensing valve Fluid leaks from under spring Loose spring housing housing 16 Damaged diaphragm 26 or 27 Tighten screws 19 in sequence and to torque shown in Fig 2 on page 7 Replace diaphragm See page 7 307886 9 Parts Drawing 24 18 lubricate ew 17 25T UUA ae ey c 19 Torque in sequence shown in Fig 2 OROS S V om n lubricate 8 Apply medium strength sealant Torque to 60 to 70 in lb 7 to 8 N m 16 Ss Pe ee eel AAA 7 TRE 14 Sea aan e lubricate 6 Ses 4 15 e re 5 se bce O ie iw oe a n 13 Ha ue to 30 to 35 ft lb lubricate l ory 47 N m 7532A 27 a A gt j E Valve Cartridge Repair Kit 222140 26 gt Includes the following Sos z Ref No Qty FY ee h h ee ee ee ee ee ee i 2 3 4 5 6 7 8 10 307886 Ref Part No 187882 102982 111737 183876 101680 183875 107505 188001 235204 183881 183883 183882 109141 183880 101448 236590 103926 187885 185052 192051 192052 Parts List Description HOUSING valve SST O RING PTFE SPRING compression conical SST GASKET seat nylon BALL carbide SEAT valve carbide O RING PTFE RETAINER spring SST ACTUATOR valve carbide amp SST GUIDE plunger PLUNGER s
8. 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 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 equip
9. ll applicable local state and national fire electrical and safety regulations 2 307886 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 surgi cal treatment Do not stop or deflect leaks with your hand body glove or rag Keep your hands away from the end of the drain valve when opening it 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 Follow the Pressure Relief Procedure on page 5 before removing the regulator s adjusting knob Do not pressurize the system when the fluid regulator s adjusting knob is removed Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire hose Use only Graco approved hoses Do not remove the spring guard that is used to help protect the hose from rupture caused by kinks or bends near the couplings TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if solashed in the eyes
10. ment 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 liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of
11. nce Charts Test Media 65 centipoise at 1500 psi Test Media 1000 centipoise at 1500 psi psi 10 3 MPa 103 bar inbound pressure psi 10 3 MPa 103 bar inbound pressure MPa bar MPa bar 1200 1200 8 3 83 8 3 83 1000 W 1000 7 69 gt 7 69 T N 800 7 800 5 5 55 a 5 5 55 a 600 600 4 2 41 lt q 4 2 41 gt 400 O 400 2 8 28 2 8 28 200 200 1 4 14 1 4 14 0 0 GPM 0 02 04 06 08 1 12 14 1 6 GPM 2 0 2 0 4 0 6 0 8 1 liter min 0 8 1 5 2 3 8 3 8 4 5 5 3 6 liter min 0 8 1 5 2 3 3 3 8 FLUID FLOW FLUID FLOW BOTTOM VIEW 2 22 in IN bracket bracket holes holes 1 4 20 UNC 2B 7 3 in bracket 185 42 mm holes 1 4 18 npt inlet amp outlet 0 87 in 22 1 mm 1 16 in 29 5 mm 12 307886 Technical Data Maximum fluid inlet pressure 1500 psi 10 3 MPa 103 bar Regulated pressure range 150 to 1200 psi 1 to 8 3 MPa 10 4 to 83 bar Maximum flow capacity 1 5 gpm 5 7 lpm Fluid viscosity 4 1 to 1000 centipoise VVGIOING 2 2 sectare cua denned ed ean ee am dictate 4 5 Ib 2 04 Kg Wetted parts 304 amp 316 stainless steel PTFE nylon tungsten carbide Hytrel is a registered trademark of the DuPont Company 307886 13 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be
12. possible Check connectors for leaks and tighten as necessary Flush with a fluid that is compatible with the fluid being dispensed and the equipment wetted parts 1 Record the pressure adjustment setting of the regulator before flushing A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 5 2 Shut off the pump and relieve fluid pressure in the system by triggering the gun and opening the back pressure valve or other bypass valve 3 Never exceed the maximum working pressure of the lowest rated system component 4 Open the fluid regulator by turning the adjusting screw 18 fully clockwise 5 Supply solvent to the system Set pump to the lowest possible pressure and start pump 6 Flush until thoroughly clean 7 Adjust the fluid regulator to return to the desired fluid pressure setting Cleaning NOTE Do not allow fluid to settle in the system A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 5 1 Relieve the pressure 2 Remove the regulator Clean and inspect all parts 4 CAUTION Handle the hard carbide parts ball 5 valve actuator 9 and seat 6 carefully to avoid damaging them Damage will cause poor operation and leakage 6 307886 Cartridge Replacement NOTE Kit 222140 repla
13. pring GUIDE spring SPRING compression HOUSING spring NUT jam 3 8 24 NF SCREW adjustment SCREW cap sch 1 4 20 UNRC HOUSING regulator SST LABEL warning DIAPHRAGM PTFE DIAPHRAGM Hytrel Included in Valve Cartridge Repair Kit 222140 Recommended tool box repair parts Keep on Qty SN ee ee ee ee st ot O S SS Ss Ss N SS Ss hand to reduce down time Diaphragms Ref No 26 and 27 are included in Regulator Repair Kit 239789 ft Additional warning labels available at no charge Accessories Accessories must be purchased separately Use only GENUINE GRACO PARTS AND ACCESSORIES 802072 Fluid Pressure Gauge O to 1500 psi O to 10 3 MPa O to 103 bar pressure range 1 4 18 npt m with gauge also order 166421 pipe nipple 1 4 18 npt SST 110290 Tee female 1 4 18 npt SST 110182 Fluid Pressure Gauge with Dampener O to 2000 psi 0 to 1 4 MPa O to 138 bar pressure range 1 4 npt f with gauge also order 166421 pipe nipple 1 4 18 npt SST 185281 tee male 1 4 18 npt SST 110191 Female Cross Fitting For installing an additional outlet line 1 4 18 npt SST 214037 High Pressure Fluid Drain Valve 5000 psi 84 MPa 345 bar maximum working pressure Use at fluid outlet to help relieve pressure 1 4 npt mbe carbon steel with PTFE seals 222515 Bracket Kit To attach fluid regulator to cart pail or wall units 307886 11 REGULATED PRESSURE Performa
14. wing the steps above very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually then loosen completely then clear the tip or hose Operating the Regulator 4 CAUTION To avoid contaminants clogging or damaging the regulator you must clean and test the new system thoroughly before you admit fluid to the regulator Always use the lowest possible air and fluid pressures for your application High pressures can cause premature spray tip and pump wear NOTES e The fluid pressure regulator controls pressure downstream from its outlet e f using an accessory fluid pressure gauge H to ensure a correct gauge reading relieve the spray gun line pressure after reducing the regulator pressure 1 Back the regulator adjusting screw 18 out turn counterclockwise until there is no spring pressure Relieve the spray gun line pressure 2 Turn the adjusting screw clockwise to increase the fluid pressure 3 Adjust the pump air pressure and fluid regulator for the desired spray pattern Use the lowest possible air and fluid pressures for your application 4 In a circulating system also adjust the back pressure valve 5 Record all the settings for future reference 307886 5 Maintenance Flushing Flush before changing colors before fluid can dry in the equipment at the end of the day before storing and before repairing equipment e Flush at the lowest pressure
15. you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not follow the instructions 4 WARNING 9 EQUIPMENT MISUSE HAZARD 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 Use only genuine Graco parts and accessories 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 13 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 manufacturers warnings Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 180 F 82 C or below 40 F 40 C Do not kink or over bend the hoses or use the hoses to pull equipment Wear hearing protection when operating this equipment Do not lift pressurized equipment Comply with a
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