Graco 308115J User's Manual
Contents
1. 0 0 00 c cee eee 8 A CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the corresponding instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and result e kA INSTRUCTIONS jn a serious injury 2 E Than This equipment is for professional use only Read all the instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are uncertain about usage call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check the equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum pressure of the lowest rated system component This equipment has a 300 psi 2 1 MPa 21 bar maximum inlet pressure and a 30 psi 210 kPa 2 1 bar maximum static fluid pressure Use fluids that are compatible with the equipment wetted parts See the Technical Data section of all the equipment manuals Read the fluid manufacturer s warnings Route the 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 Comply with all applicable local state and national fire electrical and other safety regulations2. PRESSURIZED EQUIPMENT HAZARD Spray from the gun hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause serious injury e Do not stop of deflect fluid leaks with your hand body glove or rag e Follow the Pressure Relief Procedure in your separate equipment manuals whenever you are instructed to relieve pressure stop spraying clean check or service the equipment and install or clean the spray tip Tighten all the fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose 308115 Installation a FLUID SUPPLY LINE FLUID PRESSURE REGULATOR AIR SUPPLY L ay E apsustine oN QUN D SCREW BACK A ES G Fed PRESSURE ogs O he REGULATOR H J C Ue J mG afa y z ii ws a FLUID RETURN LINE j Fig 1 Installing the Back Pressure Regulator Install the back pressure regulator in the spray gun return line See Fig 1 Connect the fluid line to the inlet and outlet fittings making sure the flow direction The regulator is available with either 2 in sanitary agrees with the IN and OUT markings on the regulator clamps Model 223824 or with 1 1 2 in npt f fittings body Model 224486 Be sure to order the regulator with the type of end fittings required The fittings should not need to be removed or replaced during installation A CA
3. 20 x 3 4 18 3 104144 SPRING compression 1 4t 107078 O RING PTFE 2 A 2 5t 111331 O RING PTFE 1 7 160033 PLATE spring 1 8 187873 GAUGE 0 to 200 psi 0 to 1 4 MPa 0 to 14 bar 1 14 9 186866 BASE regulator 1 10t 190849 DIAPHRAGM 1 11 186868 PLATE diaphragm 1 A7 12 190857 BEARING 1 13 186870 COVER diaphragm 1 14 186871 CAP 1 AN 3 15 186872 SCREW adjustment 1 16 187004 FITTING 2 sanitary clamp 2 22 187223 PLATE warning 1 13 24 187150 FITTING 1 1 2 npt f 2 AN 2 H Recommended Tool Box spare parts Keep these spare 5 parts on hand to reduce down time t These parts are included in repair kit 224437 Note that the 4 kit includes one new stylePTFE O ring Part No 111331 Ref 22 5 amp one old stylePTFE O ring Part No 111278 Do not lubricate the parts with silicone grease Silicone grease will contaminate the fluid and blem ish the finish of the surface being painted Torque diaphragm cover screws and cap screws in a criss cross pattern to 70 to 90 in Ib 8 0 to 10 2 Nem TOP VIEW A Lubricate threads with light grease A Lubricate with lithium base grease A See TOP VIEW Z Torque to 100 to 110 ft lbs 135 to 150 Nem 0690A 16 6 308115 Dimensions 7 in 178 mm diameter Weight 19 Ib 8 55 kg 2 in 51 mm sanitary clamp fitting INLET and OUTLET 0689A Technical Data Maximum Inlet Pressure 300 psi 2 1 MPa 21 bar Regulated Pressure Range 15 to 20
4. 0 psi 0 03 to 1 4 MPa 0 3 to 14 bar Inlet and Outlet Size Model 223824 2 in sanitary clamp fitting 308115 7 Graco Standard Warranty Graco warrants all equipment 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 accor dance 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 sub stitution 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
5. ED IN USA 308115 12 1990 Revised12 2004 8 308115
6. 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 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 w
7. Instructions Parts List MODEL LSPBR 1000 STAINLESS STEEL LOW SHEAR WATERBASE COMPATIBLE Back Pressure Regulator 308445 300 psi 2 1 MPa 21 bar Maximum Working Pressure 200 psi 1 4 MPa 14 bar Maximum Regulated Pressure 4 GPM 15 L min Minimum Fluid Flowrate For use in circulating air spray systems only Part No 223824 Series B With 2 inch sanitary clamp Part No 224486 Series B With 1 1 2 inch npt f fittings For use with waterbase fluids in circulating air spray systems Provides regulated back pressure to the spray gun s and maintains proper circulating pressure throughout the Read warnings and instructions See page 2 for table of contents U S and Foreign Patents Pending PROVEN QUALITY LEADING TECHNOLOGY GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 1990 Graco Inc is registered to I S EN ISO 9001 Table of Contents Symbols Warnings Bara eg Oa seen tin Second dare ieaiai 2 Warning Symbol Installation sacs Meee eed Ave ho was eae Bea Balled 3 Operation 00 cee eee 4 A WARNING SOIVICES yore headed Seat a ae aa 5 Pa eras Maret cet atte ete eke A eu etecsa 2 6 This symbol alerts you to the possibility of serious Dimensions o on adedee cute errre rren 7 injury or death if you do not follow the instructions Technical Data 0 0 ccc n orka eee 7 Graco Standard Warranty 00 0e eee 8 Caution Symbol Graco Information
8. UTION The fluid flow direction must agree with the IN and OUT markings on the regulator body Failure to do so will damage the back pressure regulator A WARNING The back pressure regulator is adjustable to control If the end fittings are loosened or removed be sure the fluid pressures in a circulating system from 15 to to torque them to 100 to 110 ft lb 135 to 150 Nem 200 psi 0 1 to 1 4 MPa 1 to 14 bar when they are tightened or installed Failure to do so could cause fluid to discharge and result in If more than one spray station is used install the back serious injury or property damage pressure regulator in the fluid supply line after the last station This will help maintain proper circulating pres sures in the system A CAUTION A CAUTION To avoid fluid leakage use only Graco Fitting Kits To avoid excessive wear on the diaphragm regulator 916331 or 916343 when installing Model 223824 inlet pressure should not be allowed to pulsate regulator greater then 5 of nominal pressure 308115 3 Operation NOTE The back pressure regulator controls pressure ahead of its intake Turn the adjusting screw clockwise to increase up stream pressure and counterclockwise to decrease pressure Adjust the pump pressure and back pressure regulator for the best spraying combination and for proper circulation of fluid Turn the back pressure regulator s adjusting screw fully clockwise so fluid flow is minimal and
9. back pressure is at maximum before beginning adjustment 4 308115 Flush the back pressure regulator with a compatible solvent whenever the rest of the system or unit is being flushed Open the back pressure regulator before flushing by turning the screw counterclockwise A CAUTION To avoid damaging the diaphragm 1 Never back flush 2 Ifan external pump is used to flush make sure the inlet pressure to the back pressure regulator does not exceed 30 psi 210 kPa 2 1 bar Service 5 Install the diaphragm parts onto the regulator A WARNING base 9 To reduce the risk of serious injury including fluid Lubricate the parts as indicated in the Parts Draw injection splashing in the eyes or on the skin or ing on page 6 injury from moving parts always open the back pressure regulator and relieve all air and fluid Tighten the cover screws 2 finger tight then pressures in the system before removing or servic torque them to 70 to 90 in Ib 8 0 to 10 2 Nem ina ing the back pressure regulator criss cross pattern See the TOP VIEW in the Parts Drawing NOTE Regulator an inspection of the regulator based upon the degree and kind of service is essential A CAUTION Do not lubricate the parts with silicone grease Silicone grease will contaminate the fluid and blem 1 Shut off the pump and open the back pressure ish the finish of the surface being painted regulator by turning the adjustment screw 15 countercl
10. ith 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 reconnais sent avoir convenu que la r daction du pr sente 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 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 Sales Office Minneapolis International Offices Belgium Korea China Japan www graco com PRINT
11. ockwise until no spring pressure is felt 6 Tighten the regulator cap screws 2 finger tight Relieve all air and fluid pressures in the system then torque them to 70 to 90 in lb 8 0 to 10 2 Nem in a criss cross pattern See the TOP VIEW in the Parts Drawing NOTE The back pressure regulator can either be serviced while it remains in the fluid line or it can be 7 To remove or install the gauge 8 use the wrench removed from the line for servicing on the square portion of the gauge stud only Use thread sealer sparingly on the gauge s male threads when install it to avoid plugging the gauge 2 Disassemble the regulator and clean it with a suitable solvent See the Parts Drawing on page 6 8 Install the back pressure regulator back in the fluid line f A WARNING 3 Carefully inspect the diaphragm 10 for cracks or other damage Replace if necessary If the end fittings 16 are loosened or removed be sure to torque them to 100 to 110 ft lb 135 to 150 Nem when they are tightened or installed Failure to do so could cause fluid to discharge and result in serious injury or property damage 4 Check the parts for chips or dirt before assembling the regulator 308115 5 Parts Model 223824 Series B With 2 in sanitary clamp fittings Includes 2 to 22 Model 224486 Series B With 1 1 2 in npt f fittings Includes 2 to 15 22 and 24 ANI 5 Ref No Part No Description Qty 2 112166 SCREW cap sch 1 4
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