Graco 307212ZACLow User's Manual
Contents
1. Mount the regulator in a vertical position as shown in Figs 1 and 2 for the best flow and minimum pigment settling The gauge if used must be mounted vertically If the regulator is mounted horizontally an elbow must be used so the gauge will be vertical Put sealer on threaded connections except on the swiveling end of swivel unions as it interferes with the swivel action Flush and test the entire system Be sure to follow the flushing procedure on page 8 307212 7 Operation 2 Shut off the pump and relieve fluid pressure in the A CAUTION system by triggering the gun and opening the back pressure regulator or other bypass valve e The new system must be cleaned and tested thoroughly before admitting fluid to the regulator 3 Never exceed the maximum working pressure of to avoid contaminants clogging or damaging the the lowest rated system component Remove the regulator gauge if the flushing pressure will exceed the auge range Always use the lowest possible air and fluid au E pressures for your application High pressures 4 Open the fluid regulator fully cause premature spray nozzle and pump wear a Spring Operated Regulators Only see Fig 3 NOTE Reference numbers and letters in parentheses The regulator can be fully opened in two ways in the text refer to the Figs and Parts Drawing e Using the male end B of the regulator Pressure Relief Procedure key 24 turn the socket head adjustment screw 19 f2. 15V292T SEAT valve tungsten carbide 255374 only 17 171862 WASHER diaphragm 210 pu oS oo ss 40 24 Part No 187879 176136 112365 171867 171868 195934 215393 172132 1 187873 187874 111858 1 Description HOUSING stem SCREW adjustment BALL tungsten carbide GASKET DIAPHRAGM PTFE with nylon fabric Buna N base ADAPTER inlet 3 8 19 ISO male inlet KEY regulator GASKET cellulose fibre GAUGE pressure stainless steel 200 psi 1 4 MPa 14 bar 255374 only GAUGE pressure stainless steel 100 psi 0 7 MPa 7 bar 24A082 only SPRING compression Included in Repair Kit 222651 t Included in Repair Kit 273024 for solvent or thin material 307212 T10037 Qty PE OE O e Y 17 Parts Model 217314 Series F 24 With gauge Includes items 1 32 40 ZA A Model 221118 Series E Without gauge Includes items 1 26 32 40 221118 only 39 11 4 t 23 Go 27 217314 only Ref No Part No Description Qty No Part No Description Qty 1 100644 SCREW soc hd cap 20 112365 t BALL tungsten carbide 0 25 20 x 0 75 3 111736 t SPRING compression 4 104319 t O RING PTFE 5 106480 SPRING compression 6 7 21 171867 t GASKET 22 180052 t DIAPHRAGM PTFE 23 235209 UNION swivel 3 8 npsm 24 215393 KEY regulator 25 180051 t DIAPHRAGM PET 26 172132 t GASKET cellulose fibre 27 187876 GAUGE pressure stainless steel 300 psi 2 1
3. UNION swivel 3 8 npsm 1 26 172132 t GASKET cellulose fibre 1 27 187875 GAUGE pressure stainless steel 30 psi 210 kPa 2 1 bar 28 187877 TUBE riser 29 176463 FITTING air line 40 111858 SPRING compression Included in Repair Kit 222651 i h m md t Included in Repair Kit 249147 for solvent or thin material 307212 19 Parts Model 244375 Series B Includes items 1 41 TI1697A Ref Ref No PartNo Description Qty No PartNo Description Qty 1 100644 SCREW soc hd cap 19 197213 STUD mounting 2 0 25 20 x 0 75 4 20 112365 t BALL tungsten carbide 1 3 111736 t SPRING compression 1 21 171867 t GASKET 1 4 104319 t O RING PTFE 1 22 171868 t DIAPHRAGM PTFE with 6 187880 HOUSING stainless steel 1 nylon fabric Buna N base 1 7 833166 CAP regulator 1 23 235209 UNION swivel 3 8 npsm 1 9 187851 t STEM valve 1 26 172132 t GASKET cellulose fibre 1 10 188004 SCREW retaining 1 29 114151 FITTING air line 1 13 171858 NUT jam special 1 40 111858 t SPRING compression 1 15 171860 t GASKET seat 1 41 101748 PLUG pipe 1 16 112366 SEAT valve tungsten carbide 1 15F236t SEAT valve tungsten carbide 1 Included in Repair Kit 222651 17 171862 WASHER diaphragm 1 18 187879 HOUSING stem 1 t Included in Repair Kit 249147 for solvent or thin material 20 307212 Dimensions Model 244375 3 76 2 mm 1 76 44 7 mm All Other Models 4 94 125 5 mm 1 4 npt GAUGE PORT
4. with all applicable local state and national fire electrical and other safety regulations 307212 5 Installation z al FLUID SUPPLY Spring Operated Installation il Models 214895 214706 217314 221118 255374 and 24A082 e i OUTLET BALL VALVE INLET BALL VALVE ire AIR FILTER amp REGULATOR PIPE NIPPLES BACK PRESSURE VALVE L FLUID RETURN Fig 1 AIR REGULATOR Pilot Regulator Air Supply Line FLUID REGULATOR PALAS VALVE AIR SUPPLY Air Operated Installation Model 214980 shown INLET BALL VALVE OUTLET BALL VALVE AIR FILTER MOISTURE SEPARATOR amp REGULATORS Fig 2 6 307212 Installation Fluid pressure regulators are used for accurate posi tive control of the fluid pressure to spray guns dis pensing valves or atomizing heads Regulators installed at circulating line take offs or pumps are used to reduce main line pressure and maintain the desired fluid pressure to the spray gun or atomizing head Before Installing the Fluid Regulator 1 2 Determine where to locate the regulator Install a ball valve for the regulator inlet and outlet Install temporary plumbing between the ball valves Thoroughly flush the system to remove metal chips and other contaminants and to check for leaks Installing the Fluid Regulator Remove the temporary plumbing and install one regulator for each spray gun See the Dimension al Drawing on page 21 for regulator dimensions
5. 1 8 46 mm 10 25 260 mm 1 4 npt AIR INLET Model 214980 only 3 8 npsm female INLET 3 65 93 mm DIA 3 8 npt f OUTLET 3 8 npsm female ADAPTER OUTLET Models 217314 and 221118 only 307212 21 Technical Data Maximum Fluid Inlet Pressure 250 psi 1 8 MPa 18 bar Regulated Fluid Pressure Range Models 217314 amp 221118 20 160 psi 0 15 1 1 MPa 1 5 11 bar Models 214706 214895 244375 255374 amp 24A082 5 100 psi 30 700 kPa 0 3 7 0 bar Model 214980 0 30 psi 0 210 kPa 0 2 bar Maximum Flow Capacity 3 gpm 11 liters min with 70 cps fluid at 200 psi 1 4 MPa 14 bar inbound pressure Wetted Parts Tungsten Carbide Acetal Resins PTFE 304 amp 316 Series Stain less Steel Nylon PET Canadian Registration Number CRN Models 214895 214706 217314 221118 and 214980 Alberta 0C04874 52 Ontario 0C4874 5R1 22 307212 MODELS 217314 and 221118 REGULATED FLUID PRESSURE MODELS 214706 214895 214980 244375 255374 and 24A082 REGULATED FLUID PRESSURE P kPa bar 1110 11 1 1040 10 4 980 9 8 910 9 1 840 8 4 770 7 7 700 7 0 620 62 550 55 480 48 410 41 345 3 4 280 28 210 21 140 14 70 0 7 gpm liters min kPa bar 700 7 0 620 6 2 550 5 5 480 4 8 410 4 1 345 3 4 280 2 8 210 21 140 1 4 70 0 7 erformance Chart psi 160 250 PSI INLET 65 CPS 150 A 140 130 250 PSI INLET 120 600 CPS 110 250 PSI INL
6. 23 235209 UNION swivel 3 8 npsm 1 7 176135 CAP regulator 1 24 215393 KEY regulator 1 9 187851 t STEM valve 1 26 172132 t GASKET cellulose fibre 1 10 188004 SCREW retaining 1 27 187874 GAUGE pressure stainless steel 11 171855 NUT adjustment 1 100 psi 0 7 MPa 7 bar 12 176691 SCREW adjustment 1 214706 only 1 13 171858 NUT jam special 1 28 187877 TUBE riser 14 176692 WASHER flat 1 214706 only 1 15 171860 f GASKET seat 1 40 111858 SPRING compression 1 16 112366 SEAT valve tungsten carbide 1 15F236f SEAT valve tungsten carbide 1 Included in Repair Kit 222651 17 171862 WASHER diaphragm 1 18 187879 HOUSING stem 1 t Included in Repair Kit 249147 for solvent or thin material 16 307212 Model 255374 Series A Model 24A082 Series A Parts ISO pitch thread inlet and outlet not compatible with US standard pitch fluid housing coated with PTFE based polymer Includes items 1 40 Ref No Part No Description 1 100644 SCREW soc hd cap 0 25 20 x 0 75 3 111736 t SPRING compression 4 104319 f O RING PTFE 5 105291 SPRING compression 6 195935 HOUSING stainless steel w PTFE coating 3 8 19 ISO female outlet 7 176135 CAP regulator 9 187851 t STEM valve 10 188004 SCREW retaining 11 171855 NUT adjustment 12 176691 SCREW adjustment 13 171858 NUT jam special 14 176692 WASHER flat 15 171860 t 16 15F236 GASKET seat SEAT valve tungsten carbide 24A082 only
7. ET 65 CPS 100 90 80 100 PSI INLET 65 CPS 70 250 PSI INLET 65 CPS 60 rae 50 40 100 PSI INLET 30 600 CPS 20 10 0 250 PSI INLET 600 CPS 0 1 2 3 4 5 3 82 7 62 11 42 15 22 22 10 FLUID FLOW psi 100 90 80 100 PSI INLET 65 CPS 250 PSI INLET 65 CPS 70 60 100 PSI INLET 50 600 CPS 250 PSI INLET 600 CPS 250 PSI INLET 600 CPS 40 30 250 PSI INLET 65 CPS 20 100 PSI INLET 600 CPS 100 PSI INLET 10 65 CPS 0 gpm 0 1 2 3 4 5 liters m in 3 82 7 62 11 42 FLUID FLOW 15 22 22 10 307212 23 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 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 misapplicat
8. Instructions Parts List STAINLESS STEEL WATERBASE COMPATIBLE Fluid Pressure Regulators Used to regulate fluid pressure in low pressure systems only Fluid Flow up to 3 GPM 11 liters min Important Safety Instructions Read all warnings and instructions in this manual a gt Save these instructions See page 2 for Table of Contents See page 3 for List of Models PROVEN QUALITY LEADING TECHNOLOGY GRACO 307212ZAC EN Models Warnings Table of Contents Instala coo arca aa Operation Trouble Service 2 shooting 307212 RAS ia 16 DIMENSIONS std as a ld a Se 21 Technical Data oooococnoncononooooo 22 Performance Charts o o ocococococno no 23 Warranty rreren ia ddr dio 24 Graco Information 00 0 0 cece eee eee 24 Models Spring Operated Fluid Regulators Maximum Fluid Inlet Regulated Pressure Gauge Pressure Pressure psi kPa bar Range psi kPa bar Range kPa bar 214706 250 1800 18 5 100 34 700 pe Yes es 0 100 0 700 0 7 24A082 t 250 1800 18 5 100 34 700 0 3 7 0 100 0 700 0 7 255374 t o 250 1800 18 5 100 34 700 0 3 7 0 200 0 1400 0 14 217314xk F 250 1800 18 20 160 140 1100 1 411 Yes 0 300 0 2100 0 21 2211184 E 250 1800 18 20 160 140 1100 1 4 11 No fra t ISO pitch thread inlet and outlet Not compatible with US standard pitch Fluid housing coated with PTFE polymer These models a
9. MPa 21 bar 217314 only 1 28 187877 TUBE riser 217314 only 1 32 235207 ADAPTER straight union 3 8 npsm 1 39 111697 PLUG pipe 1 4 npt m 221118 only 1 40 111858 SPRING compression 1 187880 HOUSING stainless steel 176135 CAP regulator 9 187851 f STEM valve 10 188004 SCREW retaining 11 171855 NUT adjustment 12 176691 SCREW adjustment 13 171858 NUT jam special 14 176692 WASHER flat 15 171860 t GASKET seat 16 112366 SEAT valve tungsten carbide 15F236T SEAT valve tungsten carbide 17 171862 WASHER diaphragm 18 187879 HOUSING stem 19 176136 SCREW adjustment A dl dl dl ss ol Included in Repair Kit 222652 gt dd ld dd dd dd dd 4 14 O t Included in Repair Kit 249148 for solvent or thin material 18 307212 Model 214980 Series F Includes items 1 40 Ref No Part No 100644 111736 104319 T 187880 176135 187851 t 188004 171858 171860 T 112366 15F236T 171862 187879 Description SCREW soc hd cap 0 25 20 x 0 75 SPRING compression O RING PTFE HOUSING stainless steel CAP regulator STEM valve SCREW retaining NUT jam special GASKET seat SEAT valve tungsten carbide SEAT valve tungsten carbide WASHER diaphragm HOUSING stem Parts Qty A e dd O 22 t Ref No PartNo Description Qty 20 112365 t BALL tungsten carbide 1 21 171867 t GASKET 1 22 171868 t DIAPHRAGM PTFE with nylon fabric Buna N base 1 23 235209
10. asket 15 valve seat 16 and ball 20 into the housing 6 NOTE Seat may be turned upside down and reused 19 Screw the swivel union 23 with the o ring 4 attached and the spring 40 in place into the inlet Torque to 23 27 ft lb 31 36 Nem Service Models 214980 shown amp 244375 29 AN C Air Bleed Hole 10A S a ws 13 A 40 Fig 4 A Torque to 21 35 ft lb 28 47 Nem A Torque to 21 25 ft lb 28 34 Nem A Torque to 23 27 ft lb 31 36 Nem NOTE Numbers indicate tightening sequence Tighten evenly to 7 10 in lb 0 8 1 1 Nem then retorque to 125 in lb 14 Nem three times consecu tively to compensate for diaphragm relaxation BOTTOM VIEW 307212 13 Service Service of the Spring Operated Regulators 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 1 Shut off the pump 2 Close the ball valve at the regulator s fluid inlet See Fig 1 3 Release all fluid pressure in the regulator and disconnect the fluid line 4 Remove the regulator from the system 5 Remove the swivel union 23 and spring 40 from the regulator body 6 Remove the ball 20 valve seat 16 and gasket 15 See Fig 5 44 CAUTION Use special care when handling the hard carbide ball 20 and seat 16 to avoid damaging them NOTE Gasket 15 is thin and transluce
11. ately Permanently coupled hoses cannot be repaired replace the entire hose EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and result INSTRUCTIONS n a serious injury ar iene e RA 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 working pressure of the lowest rated system component 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 Never use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in these regulators In the event that there is a diaphragm failure a serious chemical reaction could occur with the possibility of explosion 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 Never kink or over bend the hoses or use the hoses to pull equipment Comply
12. ing Then increase regulator pressure to the desired setting Air Operated Regulator 1 Start the pump and open the fluid regulator s inlet ball valve to admit fluid to the regulator See Fig 2 2 Increase the air pressure to obtain the desired fluid pressure Adjust for the desired spray pattern NOTE If using a fluid pressure gauge reduce the regulator pressure before partially relieving pressure in the gun hose to ensure a correct gauge reading Then increase regulator pressure to the desired setting NOTE Make sure the air bleed hole in the air line fitting 29 is not plugged Refer to page 12 For the best results use an air regulator with at least a 2 in 51 mm diameter diaphragm to control this fluid regulator Fig 3 307212 9 Notes 10 307212 44 WARNING Troubleshooting To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 Problem Cause Before servicing this equipment always make sure to Relieve the Pressure Check all possible remedies in the Troubleshooting Chart before disassembling the fluid regulator Solution No pressure regulation Damaged or clogged air regulator or line 214980 only Clear obstruction in line service regu lator if necessary Damaged diaphragm 22 Replace diaphragm Fluid leaks from under cap Loose cap 7 Tighten screws 1 in sequence
13. ion 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 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
14. nt Be sure to remove the gasket 7 Remove the six cap screws 1 and housing 6 8 Remove the cap 7 adjusting screw 12 and spring 5 9 Place diaphragm assembly in a vise with jaws on stem housing 18 Remove the stem retaining screw 10 jam nut 13 and washer 17 from the stem housing 18 14 307212 10 Remove the diaphragm 25 on Models 217314 and 221118 only diaphragm 22 and gasket 26 11 Remove the spring 3 valve stem 9 and gasket 21 from the stem housing 12 Thoroughly clean and inspect all parts Replace any parts that appear to be worn or damaged 13 Place stem housing 18 in a vise One at a time place the gasket 26 diaphragm 22 white PTFE side down toward bottom housing dia phragm 25 on Models 217314 and 221118 only and washer 17 on the stem housing 18 Secure them with the jam nut 13 NOTE On Models 217314 and 221118 align the holes on the diaphragms 25 8 22 before tightening the jam nut 13 14 Torque the jam nut 13 onto the stem housing 18 to 21 35 ft lb 28 47 Nem 15 Install the valve stem 9 spring 3 gasket 21 and retaining screw 10 in the stem housing 18 Make sure the tab on the valve stem 9 fits into the slot on screw 10 16 Torque the retaining screw 10 into the housing to 21 25 ft lb 28 34 Nem 17 Install the spring adjusting screw 12 and cap on the housing 6 Tighten six capscrews 1 in the seq
15. 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 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 rappor
16. rd carbide ball 20 and seat 16 to avoid damaging them NOTE Gasket 15 is thin and translucent Be sure to remove the gasket 7 Remove the six cap screws 1 and housing 6 8 Place diaphragm assembly in a vise with jaws on stem housing 18 Remove the retaining screw 10 jam nut 13 and washer 17 from the stem housing 18 9 Remove the diaphragm 22 and gasket 26 12 307212 10 Remove the spring 3 valve stem 9 and gasket 21 from the stem housing 18 11 Thoroughly clean and inspect all parts Replace any parts that appear to be worn or damaged 12 Place stem housing 18 in a vise One at a time place the gasket 26 diaphragm 22 white PTFE side down toward the bottom housing and washer 17 on the stem housing 18 Secure them with the jam nut 13 Torque the jam nut onto the stem housing to 21 35 ft lb 28 47 Nem 13 Install the valve stem 9 spring 3 gasket 21 and retaining screw 10 in the stem housing 18 Make sure the tab on the valve stem 9 fits into the slot on screw 10 14 Torque the retaining screw into the housing to 21 25 ft lb 28 34 Nem 15 Install the assembled parts in the housing 6 16 On Model 214980 tighten the air line fitting 29 into the cap 7 Torque to 21 35 ft lb 28 47 Nem 17 Install the cap 7 Tighten the six cap screws 1 in the sequence shown in Fig 4 Bottom View and to the torque noted 18 Install the g
17. re and Ed 26 certified The fluid supply system s main line pressures often exceed the pressure range of the gauge supplied with regulators 214706 255374 and 24A082 Exposing this gauge to excessive pressure can damage the gauge causing inaccurate readings and the needle will not return to zero This damage is not covered by the Graco warranty Air Operated Fluid Regulators Maximum Maximum Fluid Regulated Pressure Gauge Pressure Regulated Inlet Pressure Range Range Air Pressure psi kPa bar psi kPa bar psi kPa bar kPa bar Regulated air pressures ee 30 100 psi 210 690 kPa 2 1 6 9 bar may be used if a 100 psi rated gauge is installed 30 210 2 1 2 1 250 1800 18 0 30 0 210 0 2 1 0 30 0 210 0 2 1 ENN 700 7 250 1800 18 5 100 34 700 0 3 7 307212 3 Notes 4 307212 44 WARNING 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 or deflect fluid leaks with your hand body glove or rag e Follow the Pressure Relief Procedure on page 8 whenever you are instructed to relieve the pressure stop spraying clean check or service the equipment and install or clean the fluid nozzle Tighten all the fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immedi
18. shown in Service section Worn gasket 26 Replace gasket Pressure creeps above setting Damaged or clogged air regulator or line 214980 only Clear obstruction in line service regu lator if necessary Damaged diaphragm 22 Replace diaphragm Seat leaking 16 Replace ball 20 seat and gasket 15 Pressure drops below setting Damaged or clogged air regulator or line 214980 only Clear obstruction in line service regu lator if necessary Empty clogged supply line Fill flush supply line Clogged air spray gun or fluid dis pensing valve Replace see gun or valve manual for service instructions Using regulator beyond its rated flow capacity see the Technical Data on Page 22 Install additional regulators 307212 11 Service Service of the Air Operated Regulators 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 1 Shut off the pump 2 Close the ball valve at the regulator s air inlet Refer to Fig 2 3 Release all the air and fluid pressure in the regula tor and disconnect the air and fluid lines 4 Remove the regulator from the system 5 Remove the swivel union 23 and spring 40 from the regulator body 6 Remove the ball 20 seat 16 and gasket 15 See Fig 4 44 CAUTION Use special care when handling the ha
19. t directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com For patent information see www graco com patents TO PLACE AN ORDER contact your Graco distributor or call to identify the distributor closest to you Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 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 Original instructions This manual contains English MM 307212 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 1975 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised October 2013 24 307212
20. ting of the fluid regulator before flushing 6 Flush until thoroughly clean 8 307212 Operation 7 Adjust the fluid regulator to the desired setting a Spring Operated Regulators Only see Fig 3 The regulator can be adjusted in two ways e Using the male end B of the regulator key 24 turn the socket head adjustment screw 19 fully clockwise Verify that the pressure setting has not changed e Using the female end A of the regulator key 24 turn the adjustment screw 12 counterclockwise to return to the desired pressure setting b Air Operated Regulator Only The regulator can be adjusted in two ways e Close the air regulator bypass valve and open the outlet valve at the air regulator Verify that the pressure setting has not changed e Adjust the air regulator to return to the desired fluid pressure setting Regulating Fluid Pressure Spring Operated Regulator 1 Close the regulator engage the female end A of the key 24 with the adjusting screw 12 and turn it counterclockwise to relieve the spring tension See Fig 3 2 Start the pump and open the fluid regulator s inlet ball valve to admit fluid to the regulator See Fig 1 3 Turn the key 24 clockwise to increase fluid pres sure See Fig 3 Adjust for the desired spray pattern NOTE If using a fluid pressure gauge reduce the regulator pressure before partially relieving pressure in the gun hose to ensure a correct gauge read
21. uence shown in Fig 5 Bottom View and to the torque noted 18 Install the gasket 15 valve seat 16 and ball 20 into the housing 6 NOTE Seat may be turned upside down and reused 19 Screw the swivel union 23 with the o ring 4 attached and the spring 40 in place into the inlet Torque to 23 27 ft lb 31 36 Nem Service Models 217314 and 221118 A Torque to 21 25 ft lb 28 34 Nem AN Torque to 21 35 ft lb 28 47 Nem AN Torque to 23 27 ft lb 31 36 Nem 4 PTFE side down toward housing 6 Models 214895 214706 255374 and 24A082 E EN NAA i N e NOTE Numbers indicate tightening sequence Tighten evenly to 7 10 in lb 0 8 1 1 Nem then retorque to 125 in lb 14 Nem three times consecutively to compensate for diaphragm relaxation 22 N R 5 7 BOTTOM VIEW Fig 5 307212 15 Model 214895 Series H 24 Without gauge Includes items 1 26 40 Model 214706 Series H With gauge Includes items 1 40 23 9 28 al 27 Model 214706 only Ref Ref No Part No Description Qty No Part No Description Qty 1 100644 SCREW soc hd cap 19 176136 SCREW adjustment 1 0 25 20 x 0 75 6 20 112365 t BALL tungsten carbide 1 3 111736 t SPRING compression 1 21 171867 t GASKET 1 4 104319 f O RING PTFE 1 22 171868 f DIAPHRAGM PTFE with nylon 5 105291 SPRING compression 1 fabric Buna N base 1 6 187880 HOUSING stainless steel 1
22. ully counterclockwise The A WARNING pressure setting will be retained PRESSURIZED EQUIPMENT HAZARD e Using the female end A of the regulator Read warnings page 5 key 24 turn the adjustment screw 12 i fully clockwise You will have to reset pressure after flushing 1 Shut off the pump 2 Close the fluid regulator s inlet ball valve Refer to b Air Operated Regulator Only The regulator Figs 1 and 2 can be fully opened in two ways e Close the outlet valve at the air regulator and open the air regulator bypass valve to supply air directly to the fluid regulator do 3 Relieve fluid pressure in the fluid regulator by triggering the spray gun Flushing Procedure not exceed the maximum rated air pres sure of the fluid regulator Pressure setting e Flush before changing colors before fluid can dry in of the fluid regulator will be retained using the equipment at the end of the day before storing this method and before repairing equipment e Increase the air regulator setting to fully e Flush at the lowest pressure possible Check open the fluid regulator You will have to connectors for leaks and tighten as necessary reset the fluid regulator s pressure setting after flushing e Flush with a fluid that is compatible with the fluid being dispensed and the equipment wetted parts 5 Supply solvent to the system Set pump to the lowest possible pressure and start pump 1 Record the pressure adjustment set
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