Graco Inc. 309475F User's Manual
Contents
1. Adjustment knob Spring Valve plunger Fluid Outlet Return line T11770A 309475F Introduction Adjustment knob es Spring Valve plunger Fluid inlet from pump Fluid outlet TI1769A Air Inlet Diaphragm Valve plunger Fluid Inlet Fluid Outlet From pump To gun TIH774A Fig 3 Cutaway of Pneumatic Fluid Pressure Regulator 309475F 7 Installation Installation 1 Install one regulator for each spray gun b Install a back pressure regulator downstream of the gun Connect the fluid return line from the gun to the inlet of the back pressure regulator 3 Make sure that the direction of fluid flow agrees with Connect the fluid return line to the pump to the the flow direction markings on the regulator body regulator s outlet 2 Apply thread sealant to connections as necessary a Install a fluid pressure regulator upstream of the 4 Flush and test the entire system gun Connect the fluid line from the pump to the inlet of the fluid regulator Connect the fluid line FIG 4 FIG 5 and FIG 6 show possible configurations to the gun to the regulator s outlet for installing a system They do not depict actual system designs Consult your Graco distributor for assistance in designing a system that meets your specific require ments 8 309475F F Cc D Air in Installation i r2. List of Models Part No Series Model Type Maximum Fluid Inlet Pressure Regulated Pressure Range 233760 B P60 VP DN7 Pneumatic 5000 psi 36 MPa 360 bar 70 900 psi 234266 B P60 VP DN7 npt 0 5 6 MPa 5 60 bar 233767 B P200 VM Mechanical 5000 psi 36 MPa 360 bar 1300 3000 psi 234264 B P200 VM npt 9 20 MPa 90 200 bar 233768 B P200 VM Mechanical 5000 psi 36 MPa 360 bar 1300 4000 psi 234265 B P200 VM npt 9 27 MPa 90 270 bar 233769 B P150 VP DN7 Pneumatic 5000 psi 36 MPa 360 bar 300 2000 psi 234270 B P150 VP DN7 npt 2 15 MPa 20 150 bar 233770 B P320 VP DN7 Pneumatic 5000 psi 36 MPa 360 bar 600 4600 psi 234271 B P320 VP DN7 npt 4 32 MPa 40 320 bar 233813 B P250 VP Pneumatic 5000 psi 36 MPa 360 bar 600 3600 psi 234259 B P250 VP npt 4 25 MPa 40 250 bar 233814 B P100 VM Mechanical 2600 psi 18 MPa 180 bar 600 1500 psi 234260 B P100 VM npt 4 10 MPa 40 100 bar Back Pressure Regulators PartNo Series Model Type ie Permanent Supply Regulated Pressure Range ressure 233771 B P100 RM Mechanical 2500 psi 17 MPa 170 bar 600 1500 psi 234268 B P100 RM npt back pressure 4 10 MPa 40 100 bar 233772 B P200 RM Mechanical 3400 psi 23 5 MPa 235 bar 1300 3000 psi 234269 B P200 RM npt back pressure 9 20 MPa 90 200 bar Key to Model Designation Pressure regulation valve e g 309475F P60 R M DN7 npt np
3. Replace diaphragm Worn packings Replace packings 13 14 309475F Maintenance Flushing A WARNING The system pressure must be manually relieved to prevent the system from starting or spraying acciden tally Fluid under high pressure can be injected through the skin and cause serious injury To reduce the risk of an injury from fluid injection splashing fluid or moving parts follow the Pressure Relief Proce dure 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 1 Relieve the pressure 2 Remove the spray tip Clean the tip and set it aside 3 Supply solvent to the pump Start the pump Use the lowest possible fluid pressure when flushing 4 Flush the gun spraying into a grounded metal con tainer until clean solvent comes from the gun 5 Relieve the pressure 6 Reinstall the spray tip 309475F Maintenance Do not allow paint or solvent to sit in the system for extended periods Fluid could dry on the plunger and cause leakage at the plunger packings If leakage occurs disassemble and clean the regulator Cleaning and Repair When changing fluids or colors the regulator should be disassembled and cleaned Regular cleaning and inspection of the internal parts is necessary to keep the fluid regulator working properly 1 Relieve all air and fluid pressure in the sys
4. 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 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 i
5. npt M Gauge port 233760 233769 233770 234266 234270 234271 1 4 BSPP F Wetted Parts 233767 233768 233771 233772 233813 233814 234259 234260 234264 234265 234268 234269 Stainless steel tungsten carbide PTFE chemically resistant fluoroelastomer 233760 233769 233770 234266 234270 234271 UHMWPE Stainless steel acetal tungsten carbide PTFE chemically resistant fluoroelastomer Accessory Gauges Available 24 309475F Accessory Gauges Accessory Gauges Model Gauge 233760 118340 234266 118340 233769 118341 234270 118341 234770 118341 234271 118341 309475F 25 Flow Rate Data Flow Rate Data Maximum fluid flow with 10 weight oil regulator wide open and no downstream restrictions Part No Inlet Fluid Test Pressure Inlet Outlet Size Fluid Flow 233760 5000 psi 36 MPa 360 bar 3 4 BSPP F 11 3 gpm 42 9 lpm 234266 3 4 npt F 233767 3000 psi 21 MPa 210 bar 3 8 BSPP F 8 2 gpm 31 2 Ipm 234264 3 8npt F 233768 3660 psi 25 MPa 256 bar 3 8 BSPP F 9 2 gpm 35 0 Ipm 234265 3 8npt F 233769 4000 psi 28 MPa 280 bar 3 4 BSPP F 11 7 gpm 44 5 lpm 234270 3 4npt F 233770 3800 psi 26 MPa 266 bar 3 4 BSPP F 12 3 gpm 46 7 lpm 234271 3 4npt F 233771 2500 psi 17 MPa 170 bar 3 8 BSPP F 10 2 gpm 88 8 lpm 234268 3 8npt F 233772 3400 psi 23 5 MPa 235 bar 3 8 BSPP F 13 1 gpm 49 8 Ipm 234269 3 8npt F
6. risk of an injury from accidental spray from the gun 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 1 Lock the gun trigger safety 2 Close the bleed type master air valve required in your system 3 Unlock the gun trigger safety 4 Hold a metal part of the gun firmly to the side of a grounded metal pail and trigger the gun to relieve pressure 5 Lock the gun trigger safety 6 Open the drain valve required on your system with a container ready to catch the drainage 7 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 performing steps 1 through 7 very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually Then loosen completely and clear the tip or hose 309475F Operation Adjusting the Regulator The fluid pressure regulator controls pressure down stream from its outlet The inlet fluid pressure should always be higher than the outlet fluid pressure If you are using an accessory fluid pressure gauge trig ger the spray gun to relieve pressure in the line when reducing the pressure to ensure a correct gauge read ing Adjust the pump air pressure an
7. ts Ww 20 i gt A Torque to 10 Nem 7 5 ft lb TI1749A 309475F Pneumatic Regulators Part No 233813 and 234259 PartNo Description 1 HOUSING lower HOUSING lower npt version only 2 15A238 PLUG screw 3 117089 SPRING compression 4 245367 SEAT valve 5 15Y030 O RING 6 15Y031 O RING 7 15A206 SUPPORT ball 8 117104 BALL 5mm carbide 9 245375 PLUNGER valve 11 15Y033 O RING 309475F Qty A A AAA AL HS Ces A AL dd 8a Ref No 12 13 14 15 16 17 18 20 26 27 29 30 Part No 15A223 15A142 15A149 117125 154212 15A180 154218 15A145 117128 15Y029 15C332 15C333 Description GLAND male PACKING GLAND female RING retaining internal PLATE diaphragm DIAPHRAGM HOUSING diaphragm COVER diaphragm SCREW shcs M8x50 O RING FITTING npt models only WASHER npt models only Parts gt lt da da D d di 4 Wa 21 Parts Pneumatic Regulators Part Nos 233760 shown 233769 233770 234266 234270 and 234271 26 A 32 A Torque to 10 Nem 7 5 ft lb y 33 A Torque to 12 Nem 8 8 ft lb Oa TI1745A 22 309475F Pneumatic Regulators Part Nos 233760 shown 233769 233770 234266 234270 and 234271 Ref No OMAN DFW ND 10 11 13 16 17 Part No 15A187 15C298 15A239 117091 245370 15Y031 15A207 117107 245377 245379 245364 15Y034 117111 15A213 15A214 15A215 15A181 15A1
8. 233813 3800 psi 26 MPa 266 bar 3 8 BSPP F 10 6 gpm 40 3 Ipm 234259 3 8npt F 233814 2500 psi 17 MPa 170 bar 3 8 BSPP F 8 1 gpm 30 8 Ipm 234260 3 8npt F Mounting Dimensions Part No Thread Dimension A 233768 M5 28 mm 1 10 in 234265 233769 M6 36 mm 1 42 in 234270 A 233770 M6 36 mm 1 42 in 234271 233771 M5 28 mm 1 10 in 234268 233772 M5 28 mm 1 10 in 234269 Part No Thread Dimension A I FT 233813 M5 28 mm 1 10 in 233760 M6 36 mm 1 42 in 234259 234266 I A Y E 233814 M5 28 mm 1 10 in 233767 M5 28 mm 1 10 in 234260 234264 26 309475F 03 2006 Mounting Dimensions 309475F 27 Graco 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 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
9. 60 233767 233768 233769 233770 233813 234259 234264 234265 234266 234270 and 234271 5000 psi 36 MPa 360 bar Maximum Permanent Supply Pressure Back Pressure Regulators 233771 234268 2500 psi 17 MPa 170 bar 233772 234269 3400 psi 23 5 MPa 235 bar Pressure Range 233760 234266 70 900 psi 0 5 6 MPa 5 60 bar 233767 233772 234264 234269 1300 3000 psi 9 20 MPa 90 200 bar 233768 234265 1300 4000 psi 9 27 MPa 90 270 bar 233769 234270 300 2000 psi 2 15 MPa 20 150 bar 233770 234271 600 4600 psi 4 32 MPa 40 320 bar 233771 233814 234268 234260 600 1500 psi 4 10 MPa 40 100 bar 233813 234259 600 3600 psi 4 25 MPa 40 250 bar Maximum Operating Air Pressure Pneumatic Regulators Only 233760 233770 233813 234259 234266 234271 85 psi 0 6 MPa 6 bar 233769 234270 75 psi 0 5 MPa 5 bar Maximum Flow Rate See chart on page 26 Temperature Range 233767 233768 233771 233772 233813 233814 234259 234260 234264 234265 234268 234269 32 194 F 0 90 C 233760 233769 233770 234266 234270 234271 50 176 F 10 80 C Fluid inlet and outlet 233767 233768 233771 233772 233813 233814 3 8 BSPP F 234259 234260 234264 234265 234268 234269 3 8 npt F 233760 233769 233770 3 4 BSPP F 234266 234270 234271 3 4 npt F Air inlet 233760 233769 233770 233813 1 4 BSPP F 234259 234266 234270 234271 1 4
10. 7098 15Y029 Description GLAND female RING retaining internal PLATE spring SPRING compression for 233814 and 234260 SPRING compression for 233767 233768 234264 and 234265 SPRING compression for 233768 234265 HOUSING upper SEAL flat SCREW custom CAP BALL 8 mm SCREW set M6x20 O RING Parts Qty 17 Parts Mechanical Back Pressure Regulators Part Nos 233771 233772 234268 and 234269 shown gy th 10 9 So A Torque to 25 Nem 18 5 ft lb 18 309475F Mechanical Back Pressure Regulators Part Nos 233771 233772 234268 and 234269 Ref No o Oo a A N 10 11 12 13 14 Part No 15A238 245367 15Y030 15Y031 245376 15A217 117112 15A223 15A142 15A149 309475F Description Qty HOUSING lower HOUSING lower for npt version PLUG screw SEAT valve O RING O RING PLUNGER valve HOUSING packing O RING slit GLAND male PACKING GLAND female Ref No 15 16 19 20 21 23 24 25 26 27 Part No 117125 15A178 117093 117094 15A192 117103 15A240 15A203 117108 117098 15Y029 Description RING retaining internal PLATE spring SPRING compression for 233771 and 234268 SPRING compression for 233772 and 234269 HOUSING upper SEAL flat SCREW custom CAP BALL 8 mm SCREW set M6x20 O RING Parts Qty 19 Parts Pneumatic Regulators Part No 233813 and 234259 c Z ES A Nb a r2 Nb Nee
11. 82 15A183 309475F Description HOUSING lower HOUSING lower for npt version PLUG screw SPRING compression SEAT valve O RING SUPPORT ball BALL 8mm carbide PLUNGER valve for 233760 234266 PLUNGER valve for 233769 233770 234270 and 234271 HOUSING plunger O RING SEAL rod PLATE diaphragm for 233760 and 234266 PLATE diaphragm for 233769 and 234270 PLATE diaphragm for 233770 and 234271 DIAPHRAGM for 233760 and 234266 DIAPHRAGM for 233769 and 234270 DIAPHRAGM for 233770 and 234271 Qty A A La Ss 1 1 n 8a A Aa da a Ref No 18 20 22 26 27 28 29 30 31 32 33 Part No 15A209 15A210 15A211 15A146 15A147 15A148 15A220 117028 15Y032 117018 117030 117086 117100 15C332 15C333 Description HOUSING diaphragm for 233760 and 234266 HOUSING diaphragm for 233769 and 234270 HOUSING diaphragm for 233770 and 234271 COVER diaphragm for 233760 and 234266 COVER diaphragm for 233769 and 234270 COVER diaphragm for 233770 and 234271 RING for non npt models only SCREW shcs M6x16 O RING WASHER SCREW shcs M6x40 WASHER PLUG threaded FITTING npt models only WASHER npt models only Parts Qty 12 12 12 A Aa a 23 Technical Data Technical Data Category Data Maximum Fluid Inlet Pressure Fluid Pressure Regulators 233814 234260 2600 psi 18 MPa 180 bar 2337
12. Instructions Parts List GRACO High Pressure Fluid Regulators rere Important Safety Instructions Read all warnings and instructions in this manual Save these instructions CE x nae PROVEN QUALITY LEADING TECHNOLOGY Contents List of Models 3 Introduction ees 6 Installation i 8 Operation a 13 Flush Before First Use 13 Pressure Relief Procedure 13 Adjusting the Regulator 13 Troubleshooting 14 Manual Conventions Warning A WARNING W A warning alerts you to the possibility of serious injury or death if you do not follow the instructions Symbols such as fire and explosion shown above alert you to a specific hazard and direct you to read the indicated hazard warnings pages 4 5 for detailed information Caution CAUTION A caution alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions Maintenance 0 00 cece eee eee 15 Parts erre Peed oe Se bees 16 Technical Data 24 Accessory Gauges 25 Flow Rate Data 26 Mounting Dimensions 26 Graco Warranty 28 Graco Information 28 309475F List of Models
13. a l to pump Fluid TI1763C Fig 4 High pressure non circulating system mechanical fluid regulator nay G Fluid drain valve A Air line filter H Fluid shut off valve B Bleed type air shut off valve J Mechanical fluid pressure regulator C Pump air regulator K oe pressure gauge D Gun air regulator L Air assisted spray gun E Fluid hose M Fluid filter F Pump Y Pump ground wire Z Whip hose 309475F 8 Installation 4 J n slk oe N Air to Fluid Regulator Air to Pump Air to Gun TI1764C Fig 5 High pressure non circulating system pneumatic fluid regulator Key A Air line filter B Bleed type air shut off valve C Pump air regulator D Gun air regulator E Fluid hose F Pump G Fluid drain valve H Fluid shut off valve 10 Pneumatic fluid regul
14. arnings e Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines e Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer 309475F 5 Introduction Introduction A fluid pressure regulator is used in air assisted spray systems to ensure accurate positive control of fluid pressure to a spray gun dispensing valve or atomizing head A regulator installed at a circulating line take off or pump reduces main line pressure to maintain the desired fluid pressure to the spray gun dispensing valve or atomiz ing head Models 233771 233772 234268 and 234269 FIG 1 are mechanically operated back pressure regulators that limit the supply pressure to a set value by opening an outlet and guiding back excess material when the prede termined pressure has been achieved These valves are used in circulating systems Fluid Inlet From gun n Fig 1 Cutaway of Mechanical Back Pressure Regulator Models 233767 233814 233768 234260 234264 and 234265 FIG 2 are mechanically operated fluid pres sure regulators designed primarily for use with low to medium viscosity fluids Models 233760 233769 233770 233813 234259 234266 234270 and 234271 FIG 3 are pneumati cally operated fluid pressure regulators designed pri marily for use with highly viscous coatings
15. ator Fluid pressure gauge Gun Fluid filter Air regulator to operate adjust fluid regulator Pump ground wire Whip hose NI lt sisi x 309475F Installation ci Air supply D 80 TR Eh A ee H B Air to Fluid in to gun P ii iW IEE H TI1765A Fig 6 High Pressure circulating system mechanical fluid regulator and back pressure regulator Key J Mechanical fluid regulator L Gun Mechanical back pressure regulator Air line filter Bleed type air shut off valve Pump air regulator I UO w gt Fluid shut off valve 309475F 11 Installation N 12 309475F Operation Flush Before First Use Your pressure regulator has been tested in the factory with an anti corrosion liquid Before using the regulator thoroughly flush the system with a solvent to remove residue of this liquid as well as any contaminants that have been introduced during assembly of the system Pressure Relief Procedure A WARNING The system pressure must be manually relieved to prevent the system from starting or spraying acciden tally To reduce the
16. d the fluid pressure reg ulator for the best spraying combination In a circulating system the back pressure valve controls the fluid pressure upstream of its inlet in the same way Mechanical Regulator 1 Back out the knob until there is no spring pressure 2 Turn on the fluid supply to admit fluid to the regula tor 3 Turn the knob clockwise to adjust fluid pressure to the desired level Pneumatic Regulator 1 With the fluid supply shut off turn on the air pres sure to the regulator 2 Turn on the fluid supply to admit fluid to the regula tor 3 Increase the fluid inlet pressure When the fluid out let pressure is at the desired level shut off the air to the fluid regulator 13 Troubleshooting Troubleshooting Relieve the pressure page 13 before checking or repairing the equipment To repair the regulator refer to page 15 Problem Cause Solution Drop in fluid outlet pressure Ruptured diaphragm 17 pneu matic regulators only Replace diaphragm Air escaping pneumatic regulators only Check air hose and connections Replace packings 13 Worn packings Replace packings 13 Fluid outlet pressure increases to level of fluid inlet pressure Valve ball 8 and seat 4 are worn or stuck open Clean ball and seat Replace worn or damaged parts Fluid leaking from upper housing Ruptured diaphragm 17 pneu matic regulators only
17. ncidental 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 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 r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dure
18. rized aluminum equipment Such use could result in a chemi cal reaction with the possibility of explosion Comply with all applicable local state and national fire electrical and safety regulations 309475F Warning A WARNING SKIN INJECTION HAZARD N Spray from the gun hose leaks or ruptured components can inject fluid into your body and cause an extremely serious injury including the need for amputation Splashing fluid in the eyes or on the skin can also cause serious injury e Fluid injected into the skin might look like just a cut but is a serious injury Get immediate surgical treatment e 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 fluid leaks with your hand body glove or rag e Never spray without the tip guard in place e Follow the steps under Pressure Relief Procedure page 13 when you stop spraying and before cleaning checking or repairing equipment e Check the hoses and couplings daily Replace worn damaged or loose parts immediately Perma nently coupled hoses cannot be repaired replace the entire hose e Tighten all fluid connections before each use a TOXIC FLUID HAZARD AA Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed e Know the specific hazards of the fluid you are using Read the fluid manufacturer s w
19. s 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 TO PLACE AN ORDER contact your Graco distributor or call this number 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 This manual contains English MM 309475 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2002 Graco Inc is registered to ISO 9001 www graco com Revised 2 2009
20. t version Valve Seat Orifice 7mm Operating Mode P pneumatic M mechanical Action V pressure regulation R back pressure regulation Regulation max 60 bar Warning RI EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury A WARNING 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 24 for the maximum working pressure of this equipment Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Techni cal Data section of all equipment manuals Read the fluid and solvent manufacturer s 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 Wear hearing protection when operating this equipment Never use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or flu ids containing such solvents in pressu
21. tem 2 Remove the regulator from the system 3 Disassemble the regulator see the parts drawings on pages 16 through 22 4 Clean and inspect all parts CAUTION Be very careful when handling the carbide balls and seats Damage will cause poor operation and leak age 5 Inspect the diaphragm packings o rings and seals for wear Check the ball and seat for nicks wear or other damage 6 Lubricate packings o rings and seals when reas sembling the regulator 7 Torque as specified on the parts drawings on pages 16 through 22 15 Parts Parts Mechanical Regulators Part Nos 233767 shown 233768 233814 234260 234264 and 234265 Ce Gn o 26 me x A 20 O wee J 11 A Torque to 25 Nem 18 5 ft lb 16 309475F Mechanical Regulators Part Nos 233767 shown 233768 233814 234260 234264 and 234265 Ref No o oc N O a A WwW PD 10 11 12 13 Part No 15A238 117089 245367 15Y030 15Y031 15A206 117104 245374 15A217 117112 15A223 15A142 309475F Description Qty HOUSING lower HOUSING lower for npt version PLUG screw SPRING compression SEAT valve O RING O RING SUPPORT ball BALL 5 mm PLUNGER valve HOUSING packing O RING slit GLAND male PACKING Ref No 14 15 16 19 20 21 23 24 25 26 27 Part No 15A149 117125 15A178 117093 117094 117088 15A192 117103 15A240 15A203 117108 11
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