Graco 310538M User's Manual
Contents
1. 6 0 152 mm Material Inlet Port 1 2 npt All Models 4 5 114 mm Material Outlet x ZB See list on next page Z 875 23 GE ee 90 1 1 343 gt AA 1 75 i 1 80 44 5 mm Ai ho pe Seas Seit l ji g 9 32 281 Drill Thru Phenolic mounting block included with each valve can be used on fluid hous ing or air cylinder J T 2 1 53mm 2 82 72 mm Snuff Back Style Shown 310538 45 Notes 46 310538 Technical Data Maximum working dry air pressure 1 MPa 10 bar 150 psi Material Inlet to conditioning manifold 1 2 npt Air Inlet 1 8 npt 120 Volt Heater Models C34068 C34079 150w 120 Vac 96 ohms 10 C50592 194485 918483 918512 and 918639 240 Volt Heater Models 243694 243695 243696 200w 240 Vac 288 ohms 30 40 and 297266 RTD Sensor 100 Ohm platinum RTD 0 00385 ohm ohm deg C 108 2 ohms 21 C 70 F Weight automatic dispense valve connector approx 1 8 kg 4 Ibs Fluid Seal Part Max Maximum Fluid Working Maximum Air Input Parts Material No Temp Pressure Pressure Page Polymite2. 90 m 80 a 190 70 170 50 160 40 30 140 20 SECTION A A 230 150 10 A TA gt B J Sh J J C i Material Inlet 30 Port 1 2 npt ka 1 8 npt female EN material outlet A 310538 23 Ref No 10 20 30 40 50 60 70 80 90 100 110 120 130 Part No 617479 722834 C19800 100016 110755 617536 C34032 C34030 113944 103649 C32088 112925 C20521 24 310538 Description ADAPTER seat O RING 018 fluoroelastomer SCREW soc hd cap 1 4 20 x 0 5 WASHER lock 1 4 WASHER flat 1 4 SPRING SEAL SPACER O RING 123 fluoroelastomer O RING O RING SCREW button head 1 4 20 x 0 31 SEAL thread Parts Model 918512 Therm O Flow Automatic Dispense Valve with Snuff Back Qty 1 1 RA P Mi al _ Ref No 140 1504 160 170 190 200 210 220 230 240 Part No 617491 918471 617480 111209 194527 617537 103337 C34028 C32089 104594 Description SEAL outlet NEEDLE assembly SPACER RING retaining for 0 56 I D BODY BASE cylinder O RING 010 fluoroelastomer CAP cylinder RETAINER SCREW cap Qty sch sch sch do sch Mm Keep these spare parts on hand to reduce down time Parts Model 918639 Therm O Flow Automatic Dispense Valve with Snuff Back 120 130 260 370
3. SECTION B B Enlarged to show detail 320 lt Notes gt Coat with heat sink compound 400 before installing Accessories Use Only Genuine Graco Parts and Accessories Description Part No LOW PRESSURE HEATED HOSES 14 MPa 138 bar 2000 psi Heated hoses for use with Therm O Flow 5 and Therm O Flow 55 supply units Contact your Graco Service Representative for more information HIGH PRESSURE HEATED HOSES 28 MPa 275 bar 4000 psi Heated hoses for use with Therm O Flow 5 and Therm O Flow 55 supply units Contact your Graco Service Representative for more information HOSE FITTINGS For use with heated hoses Do not use fittings with temperature ratings that are lower than the operating temperature of your system Contact your Graco Service Representative for more information 8 37 SAE 3 4 16 m x 1 2 npt male adapter C20700 10 37 SAE 7 8 14 m x 1 2 npt male adapter C20703 See your Graco Service Representative for information about conditioned material hoses NOTE The following accessories are not applicable to Model 297266 EXTRUSION NOZZLE ADAPTER NUT 5 8 18 f x 1 8 npt f C32089 Adapts 1 8 27 npt m nozzles to dispense valve Accepts the adapter nut 5 8 18F X 1 8 npt f nozzles listed below Contact your Graco Service Representative for more information Description Length Orifice
4. p a j 320 N NIY Fig 16 a Install the shrink wrap over the leads 8 Pin 240 Volt Shown Fig 14 310538 17 Service b Solder the leads to the appropriate connector Fig 15 for 6 pin connector For Therm O Flow 8 pin assemblies removal and replace ment of the heaters and RTD require a pin extraction tool new pins and a pin crimping tool These tools meet spec MIL C 22520 Ref Daniels AF8 crimp tool or equivalent available at local electrical supply warehouse c Coat heater or sensor with heat sink com pound d Gently slide new heater or sensor into ap propriate hole e Either shrink the shrink wrap or use electrical tape to electrically insulate the connection between the leads and connector pins 5 Reconnect the dispense valve to the receptacle Figs 14 a Reattach the receptacle base to the dispense valve body and secure it with the two socket head screws Fig 14 Items 200 and washer 210 b Reattach the receptacle cover to the Amphe nol connector base and secure the cover with the screws 18 310538 Inspection Frequency Automatic Dispense Valve Inspect automatic dispense valve at least once every two weeks for leakage or other visible damage Check specifically for e material leaks e air leaks Hoses Tubes Inspect
5. 80 70 190 60 50 i 160 40 30 150 20 SECTION A A 140 10 A tt 300 s a UA 290 280 360 350 II g E B 3 B E J J J Material Inlet 30 Port 1 2 npt E 5 8 18m Material Outlet ex A 310538 21 Parts Model 918483 Therm O Flow Automatic Dispense Valve with Snuff Back Ref No 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Qty 1 1 P P SN al pu N N Ref No 220 230 240 250 260 2704 280 290 300 310 320 330 340 350 360 370 380 390 400 460 510 Part No C34040 C19269 617603 103337 C34028 C31034 C32099 C33037 C19810 104594 C32255 C34043 102794 C19270 C07329 617536 065345 101674 C07664 112144 157021 Description COVER SCREW fill hd machine 4 40 x 0 25 BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 120V 150 W BLOCK mounting TAPE fiberglass 0 5 wide 229 mm SCREW soc hd cap 1 4 20 x 1 SCREW soc hd cap 1 4 20 x 3 25 SENSOR RTD BRACKET NUT hex 4 40 SCREW fill hd machine 4 40 x 0 38 CONNECTOR 6 pin SPRING WIRE high temp 127 mm TERMINAL ring COMPOUND heat sink SCREW WASHER lock Qty N b b 9 haa UI sch A R 4 4 These parts are included in Repair Kit 918520 whic
6. 130 o a el AY 370 CLOSE Loot AT 250 Z A lt 100 110 E EN wae d K ee 360 220 PS Cyl air ports 1 8 npt 90 50 200 80 70 190 60 180 TIO304 140 50 40 30 140 10 Ref 1 2 npt m outlet 410 A Z 310 nl 300 50 410 LL TI11209a 290 Mo 280 seed 360 g EI 0850 AA B Al B J J 2 Material Inlet 30 Port 1 2 npt e 1 8 npt female material outlet A 310538 39 Parts Model C34079 Therm O Flow Automatic Dispense Valve Double Acting Ref No 10 20 30 40 50 60 70 80 90 100 110 120 125 130 140 180 190 200 220 230 Part No C51762 722834 C19800 100016 C19197 C34044 C34032 C34030 113944 103649 C32088 112248 C19359 C20521 C32082 C34045 C32097 112166 C34040 C19269 40 310538 Description ADAPTER seat O RING fluoroelastomer SCREW soc hd cap 1 4 20 x 0 5 WASHER lock 1 4 WASHER flat 1 4 PLATE bank oft SEAL graphite PTFE SPACER O RING 125 fluoroelastomer O RING 123 fluoroelastomer
7. 90 _ T 1 8 npt sS OPE 240 80 70 60 50 40 30 10 410 420 Tlo304 A Z 310 7 so 290 Mo 280 seed 360 ge 350 U At B Al B J J 2 Material Inlet 30 Port 1 2 npt e 1 8 npt female material outlet A 360 230 220 200 210 310538 37 Parts Model C34068 Warm 275 F 135 C max Automatic Dispense Valve with Snuff Back Ref No 10 20 30 40 50 60 70 80 90 100 110 120 125 130 140 180 190 200 210 220 230 Part No C32083 103610 C19800 100016 110755 C34044 C34032 C34030 113944 103649 C32088 112248 C19359 C20521 C32082 C34045 C32097 112166 C19197 C34040 C19269 38 310538 Description ADAPTER seat O RING 018 fluoroelastomer SCREW soc hd cap 1 4 20 x 0 5 WASHER lock 1 4 WASHER flat 1 4 PLATE bank oft SEAL graphite PTFE SPACER O RING 125 fluoroelastomer O RING 123 fluoroelastomer RING NUT hex SCREW set SEAL thread NEEDLE assembly SPACER BODY SCREM soc hd cap 1 4 20 x 0 75 WASHER flat 3 16 COVER SCREW fill hd
8. 1 4 4 250 103337 O RING 010 fluoroelastomer 1 PLATE blank off 1 260 C34028 CAP cylinder 1 SEAL PTFE 25 x 44 1 27104 116011 HEATER cartridge 1 SPACER 4 230 V 200 W O RING 125 fluoroelastomer 1 280 C32099 BLOCK mounting 1 O RING 123 fluoroelastomer 1 290 C33037 TAPE fiberglass 9 RING 1 0 5 wide 229 mm SCREW button head 1 300 C19810 SCREW soc hd cap 2 1 4 20 x 0 31 1 4 20 x 1 SEAL thread 1 310 104594 SCREW soc hd cap 4 NEEDLE piston 1 1 4 20 x 3 25 SEAL rod hi temp 4 320 C32255 SENSOR RTD 1 0 25 x 0 50 x 0 25 330 C34043 BRACKET 1 SPACER 1 340 112144 SCREW 1 RING retaining for 0 56 LD 1 350 C19949 SCREW pan hd machine 2 SPACER 2 4 40 x 0 5 BODY 1 360 115860 INSERT male 1 SCREW soc hd cap 2 1 1 4 20 x 0 75 370 617536 SPRING 1 WASHER flat 3 16 2 390 06345 WIRE high temp 127 mm 5 400 101674 TERMINAL ring 1 410 C32089 NUT nozzle 1 420 115861 HOUSING connector 1 430 115862 CONNECTOR male 1 510 157021 WASHER lock 1 520 116640 CONNECTOR 4 These parts are included in Repair Kit 918520 which may be purchased separately Mm Keep these spare parts on hand to reduce down time 380 440 460 ee ee a ee HEATER Te 20 0 W 240 VOLTS gt E MES a dod oo d gt 270 520 SENSOR RTD OO d C gt 320 520 eg SECTION B B Enlarged to show detail Notes gt Coat with heat sink compound 400 before installing Parts Model C27340 Ambient The
9. RING 125 fluoroelastomer O RING 123 fluoroelastomer RING piston NUT hex SCREW set SEAL thread NEEDLE assembly SPACER BODY SCREW cap hex hd SCREW soc hd cap 1 4 20 x 0 75 O RING fluoroelastomer COVER SCREW soc hd cap SCREW fill hd machine 4 40 x 0 25 WASHER lock spring Qty N sch sch N OO MI sch HSH PE OU Vhs A Ref No 240 250 260 2704 280 290 295 300 310 320 330 340 350 360 370 380 390 400 460 510 Part No C32085 103337 C34028 C31034 C32099 C33037 C38014 C19810 104594 C32255 C34043 102794 113970 C07329 C34041 065345 101674 073019 112144 157021 Description BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 120 V 150 W BLOCK mounting TAPE fiberglass 0 5 wide 229 mm PLUG o ring boss SCREW soc hd cap 1 4 20 x 1 SCREW soc hd cap 1 4 20 x 3 25 SENSOR temperature BRACKET NUT hex 14 40 SCREW machine 4 40 CONNECTOR 6 pin SPRING WIRE lead motor TERMINAL ring COMPOUND heatsink not shown SCREW WASHER lock Qty oo 11 d gt MA UI EE RH sch gt oa 4 These parts are included in Repair Kit C50594 which may be purchased separately Mm Keep these spare parts on hand to reduce down time 510 380 ____ 340
10. RING NUT hex SCREW set SEAL thread NEEDLE assembly SPACER BODY SCREM soc hd cap 1 4 20 x 0 75 COVER SCREW fill hd machine 4 40 x 0 25 510 Qty 4 4 5 N N sch sch ech HSH HSH PB HSH CE YD _ Ref No 240 250 260 2704 280 290 300 310 320 330 340 350 360 370 380 390 400 410 460 510 Part No C32085 103337 C34028 C31034 C32099 C33037 C19810 104594 C32255 C34043 102794 113970 C07329 C34041 065345 101674 073019 C51774 112144 157021 Description BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 120 V 150 W BLOCK mounting TAPE fiberglass 0 5 wide 229 mm SCREM soc hd cap 1 4 20 x 1 SCREM soc hd cap 1 4 20 x 3 25 SENSOR RTD BRACKET NUT hex 14 40 SCREW machine 4 40 CONNECTOR 6 pin SPRING WIRE high temp 127 mm TERMINAL ring COMPOUND heatsink not shown SEAT SCREW WASHER lock Qty b 2S h p a gt 1 These parts are included in Repair Kit C34080 which may be purchased separately Mm Keep these spare parts on hand to reduce down time Lat gt 270 SECTION B B Enlarged to show detail 340 330 320 lt Notes gt Coat with heat sink compound 400 before installin
11. See your supply unit or system documentation for instructions on relieving pressure for the entire dispensing system Use this Pressure Relief Procedure 44 WARNING HOT SURFACE AND FLUID HAZARD The material and equipment will be hot To reduce risk of injury wear eye protection gloves and protective clothing procedure whenever you shut off the dispense valve and before checking or adjusting any part of the system to reduce the risk of serious injury when installing operating or servicing 1 Shut off the material supply this dispensing system 2 Shut off electrical power to the automatic dispense valve SKIN INJECTION HAZARD 3 Close all self bleeding air supply valves for supply The system pressure must be manually unit relieved to prevent the system from F starting or spraying accidentally Fluid 4 Have a container ready to catch the drainage then under high pressure can be injected bleed off material pressure by actuating the dis through the skin and cause serious pense valve injury To reduce the risk of an injury 5 Shut off air supply to valve from injection splashing fluid or moving parts follow the Pressure Relief Procedure whenever you are instructed to relieve the pressure stop spraying dispensing install or clean the nozzle check or service any of the system equipment PRESSURIZED FLUID HAZARD High pressures can cause serious per sonal injury Be sure to open the dis pense valve during
12. Thread PartNo 2 2 STREAMING TIP ADAPTERS 617585 0 469 opening adapter for automatic dispense valve Use tips listed below The last 3 digits of the part number indicate the orifice size Contact your Graco Service Representative for streaming tip selection Orifice Size Orifice Size inches inches Odd sizes 025 through 047 270025 270061 270063 310538 43 Accessories AIR FITTINGS Suggested air fittings for automatic dispense valve air inlet ports Do not use fittings with temperature ratings that are lower than the operating temperature of your system Contact your Graco Service Representative for more information Description NPT Tube Part No 90 elbow brass push in tube 1 8 male 1 4 O D C19389 Solenoid Valve Kits For heated double acting air actuated valves Includes solenoid 24 high temperature air tubes air fittings and muffler 120 Volt AC C58942 230Volt AC 243703 24 Volt DC C59038 Swirl Assemblies For Model 297266 only Description Orifice Size in Swirl applicator head n a 03 04 08 118072 117950 117951 117952 Swirl nozzle Swirl nozzle Swirl nozzle Swirl nozzle 117953 44 310538 Dimensions 1 8 npt
13. heated hose to the receptacle on the dispense valve Ground lead coming from pin E is fastened to the bracket Fig 6 _ Ground lead coming from con tact 8 to true O e earth ground Fig 7 TIO305 2 Connect the electrical cable to the electrical control panel 3 Verify that socket contact E on six pin models see Fig 5 or contact eight on eight pin models see Fig 7 inside control panel receptacle is con nected to true earth ground 310538 9 Troubleshooting Some solutions require disassembling the automatic dispense valve Always relieve system pressure before per forming these procedures 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow A the Pressure Relief Procedure page 11 See PARTS section for the parts that need to be serviced Soon Air leaks from automatic dis Check air connections pense valve Worn o rings Replace o rings 90 and 100 in cylin der base Material leaks from front of Seal spacer or retaining ring is worn Replace rod seal 150 spacer 160 automatic dispense valve and retaining ring 170 Obstruction inside dispense valve Remove seat adapter 10 Check and replace if necessary ro
14. hoses tubes at least once every two weeks for leakage or other visible damage e material hose e air hoses Heater Every two weeks check heater for proper resistance Resistance should be approximately 96 ohms for the 120 volt valves or 288 ohms 30 40 for the 240 volt valves Replace heater if necessary Also inspect heater when performing regular mainte nance procedures Sensor Every two weeks check sensor resistance Resis tance should be 108 ohms at 21 C 70 F Replace sensor if necessary Also inspect sensor when performing regular mainte nance procedures Parts Model 194485 Warm 275 F 135 C max Automatic Dispense Valve with Snuff Back 120 130 w SR 260 Z Di 370 De 250 100 110 E SE SE e q lt a SS 200 210 80 70 190 60 50 T 160 40 30 150 20 Ref Nozzle 1 40 Adapter 10 A Z 300 i s ka 290 280 360 E 350 II g ea S B za B F S al J J s Material Inlet 30 Pa Port 1 2 npt 5 8 18 external threa
15. in compliance with applicable codes Make sure power is disconnected when servicing and repairing equipment Before operating the equipment extinguish all open flames or pilot lights in the dispense area Do not smoke in the dispensing area Keep liquids away from the electrical components Disconnect electrical power at the main switch before servicing the equipment Never exceed maximum wattage of the supply unit TOXIC FLUID HAZARD Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin swallowed or inhaled Provide fresh air ventilation to avoid the buildup of vapors from the fluid being dispensed 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 Avoid exposure to heated material fumes 310538 5 Installation Install the automatic applicator as follows mount the automatic dispense valve attach dispense tip nozzle or swirl connect the air lines connect material hose connect the electrical cable make sure the automatic dispense valve is grounded Mount the Automatic Dispense Valve Mount the automatic dispense valve to the mounting bracket on a stationary support or robotic arm Fig 1 using two socket h
16. models Fig 11 Slide base 240 over the needle into the cylinder cap 260 Seat spring 370 in groove on base we 110 140 250 1 AS _ 2 N x V 240 90 ly KS SE Fig 11 Snuff Back Valve Shown 16 310538 90 Fig 12 250 SSS Base Seal Valves 5 Reconnect the cable receptacle to the automatic dispense valve See Fig 13 a Fig 13 Re insert heater cartridge and sensor into their appropriate holes Ensure the ground wire 380 is connected to the bracket 330 Connect the receptacle to the dispense valve body Then secure it with the two socket head screws 200 and washers 210 Reattach the receptacle cover Then secure it with the two screws 230 390 2 VA ay 5 200 230 210 Service Replace Heater Unit or Sensor 3 Remove old heater cartridge or sensor a Locate the leads to the part you are replacing You can replace the automatic dispense valve heater unit or sensor without removing the automatic dis
17. pense valve from its mounting bracket You only have to disconnect the cable connector from the automatic dispense valve b Remove the shrink wrap from the leads c Unsolder the leads from the connector Cut the leads on 8 pin models leaving enough to strip and solder the leads This procedure requires 4 Install new heater unit or sensor e soldering iron 390 e solder e shrink wrap 320 e wire cutters RTD Sensor e heat sink compound Graco part number C07664 or 270 i equivalent Check with the material supplier for a a oO compatible compound cK 6 Pin 120 Volt 1 Perform the procedures in Preparing to Service I Shown Automatic Dispense Valve on page 12 Fig 15 2 Remove the cable receptacle from the automatic SCHEMATIC DIAGRAM dispense valve HEATER sO a Remove the two screws from the connector sil cover Fig 9 Item 230 and remove the receptacle cover 3 oc A SENSOR b Remove the two socket head screws Fig 14 Se WEEN Item 200 two washers 210 The heater e cartridge 270 and sensor 320 will come out d of the dispense valve body WIRING DIAGRAM HEATER 20 0 W 240 VOLTS K bs N Ldh ES 200 y Ili 5 9 H LJ I SENSOR RTD 000 G E Gi 2 ZG AIL
18. protection gloves and protective clothing when servicing this dispensing system component 2 Disconnect the cable plug from receptacle on dispense valve H See Fig 8 on page 13 3 Disconnect air lines from dispense valve air ports G 4 Disconnect material hose from material inlet port A 5 Separate the dispense valve body from the tem perature conditioning manifold if used Reconnect Automatic Dispense Valve to Mounting Bracket Reconnect the automatic dispense valve to its mount ing bracket See Fig 8 1 Reconnect air lines to dispense valve air ports G 2 Reconnect the electrical cable plug to the recep tacle H 3 Reconnect the material hose to the dispense valve material inlet port A 310538 13 Service Disassemble Automatic Dispense Valve 3 Remove the cable plug from the automatic dis 310 Bes e pense valve 2 Z S a Remove the two screws 230 from the con nector cover Then remove the connector 250 cover 370 gr b Remove the two socket head screws Fig 9 190 390 Item 200 two washers 210 The heater aN cartridge 270 and 240 l sensor 320 will come out of the dispense Os valve body Fig 15 J 4 Remove the four socket head screws 310 and C pull cyl
19. system heat up to alleviate pressure which might occur in the system due to material expansion NOTE f you suspect that the nozzle or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Then clear the tip nozzle or hose 310538 11 Service 4 Remove power from the automatic dispense valve 44 WARNING HOT SURFACE AND FLUID HAZARD The material and equipment will be Prepare to Service Automatic Dispense Valve If the unit is hot determine whether or not you can service the unit after it has cooled down Some mate rials like polyurethanes may cure permanently when cooled and exposed to air preventing you from disas sembling the dispense valve If you are working with such a material service the unit while the material is at a temperature where the material is soft enough to work with If the material can be reheated at a later time you can service the unit after it has cooled reheating the material as necessary Perform this procedure before servicing the automatic dispense valve 1 Relieve the system pressure A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure page 11 2 Make sure material flow has been shut off 3 Make sure system
20. wl 5 240 OPE CC Ir A 230 9 i E walli 220 J Z 200 210 a A 190 NAA 20 180 IN 140 TI0304 50 40 30 gt 10 Section A A 410 420 A 410 310 300 A Set sti 29 al El E A Material Inlet Port 1 2 npt 1 8 npt female material outlet 310538 27 Parts Model 243694 Therm O Flow Automatic Dispense Valve Ref Part No Description Qty Ref Part No Description Qty No No 10 C32083 ADAPTER seat 1 240 C32085 BASE cylinder 1 20 103610 O RING 018 fluoroelastomer 1 250 103337 O RING 010 fluoroelastomer 1 30 C19800 SCREW soc hd cap 5 260 C34028 CAP cylinder 1 1 4 20 x 0 5 27104 116011 HEATER cartridge 1 40 100016 WASHER lock 1 4 2 230 V 200 W 50 110755 WASHER flat 1 4 4 280 C32099 BLOCK mounting 1 60 C34044 PLATE blank off 1 290 C33037 TAPE fiberglass 9 70 C34032 SEAL graphite PTFE 1 0 5 wide 229 mm 80 C34030 SPACER 4 300 C19810 SCREW soc hd cap 2 90 113944 O RING 125 fluoroelastomer 1 1 4 20 x 1 100 103649 O RING 123 fluoroelastomer 1 310 104594 SCREW soc hd cap 4 110 C32088 RING 1 1 4 20 x 3 25 120 112248 NUT hex 1 320 C32255 SENSOR RTD 1 125 C19359 SCREW set 1 330 C34043 BRACKET 1 130 C20521 SEAL thread 1 350 C19949 SCREW panhd machine 2 1402 C32082 NEEDLE assembly 1 4 40 x 0 5 190 C32097 BODY 1 370 C3
21. 194485 135 C 275 F 241 bar 24MPa 3500psi 10 bar 1MPa 150psi 20 fluoroelastomer WETTED PARTS all valves Stainless Steel plated carbon steel chrome brass PTFE fluoroelastomer 243696 205 C 400 F 241 bar 24MPa 3500psi 10 bar 1MPa 150psi 33 PrecisionFlo is a trademark of Graco Inc PARKER O LUBE is a trademark of Parker Seal POLYMITE is a trademark of Parker Seal Material Outlet C34079 and 243695 1 2 npt m 194485 918483 5 8 18 thread to accept nozzle retaining nuts 918512 243694 and Nozzle retaining nut with 243696 1 8 npt f 918639 3 4 16 37 SAE 8 310538 47 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 misapplication abrasion corrosion inadequate or improper mainte
22. 20521 140 C32082 180 C34045 190 C32097 200 112166 210 C19197 220 C34040 230 C19269 gt 320 520 SENSOR RTD 30 310538 Description ADAPTER seat O RING 018 fluoroelastomer SCREW soc hd cap 1 4 20 x 0 5 WASHER lock 1 4 WASHER flat 1 4 PLATE bank oft SEAL graphite PTFE SPACER O RING 125 fluoroelastomer O RING 123 fluoroelastomer RING NUT hex SCREW set SEAL thread NEEDLE assembly SPACER BODY SCREM soc hd cap 1 4 20 x 0 75 WASHER flat 3 16 COVER SCREW fill hd machine 4 40 x 0 25 Qty Ref Part No No 1 240 C32085 1 250 103337 5 260 C34028 27104 116011 2 4 280 C32099 1 290 C33037 4 4 300 C19810 4 1 310 104594 4 4 3204 C32255 4 330 C34043 4 350 C19949 360 115861 1 30 C34041 2 380 065345 390 101674 2 410 C32090 4 430 115860 2 440 115862 460 112144 480 15H098 490 118072 500 117950 510 157021 520 116640 Description BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 230 V 200 W BLOCK mounting TAPE fiberglass 0 5 wide 229 mm SCREW soc hd cap 1 4 20 x 1 SCREW soc hd cap 1 4 20 x 3 25 SENSOR RTD BRACKET SCREW panhd machine 4 40 x 0 5 HOUSING 8 pin SPRING WIRE high temp 127 mm TERMINAL ring SEAT INSERT male CONNECTOR male crimp SCREW PH 8 32 X 1 4 ADAPTER swirl HEAD applicator swirl NOZZLE swirl 0 30 WASHER lock CONNECTOR
23. 250 100 110 ES Cyl air ports d 360 1 8 npt 230 220 200 210 190 180 50 30 SECTION A A 10 310 300 50 290 280 360 350 Material Inlet Port 1 2 npt 30 8 37 sae 3 4 16 material outlet 310538 25 Parts Model 918639 Therm O Flow Automatic Dispense Valve with Snuff Back Ref No 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 PartNo Description 617690 ADAPTER nozzle valve 722834 O RING 018 fluoroelastomer C19800 SCREW soc hd cap 1 4 20 x 0 5 100016 WASHER lock 1 4 110755 WASHER flat 1 4 C34044 PLATE blank oft 617604 SEAL C34030 SPACER 113944 O RING 125 fluoroelastomer 103649 O RING 123 fluoroelastomer C32088 RING 617495 SCREW button head 1 4 20 x 0 31 C20521 SEAL thread 918471 NEEDLE piston 617491 SEAL rod hi temp 0 25 x 0 50 x 0 25 617480 SPACER C20406 RING retaining for 0 56 I D C34045 SPACER 617605 BODY 112166 SCREW soc hd cap 1 4 20 x 0 75 C19197 WASHER flat 3 16 460 390 510 EEN 26 310538 Qty Ref Q PF S pu N N No 220 230 240 250 260 2704 280 290 300 310 320 330 340 350 360 370 380 390 400 460 510 Part No C34040 C19269 617603 103337 C34028 C31034 C32099 C33037 C19810 104594 C32255 C34043 102794 C19270 C07329 617536 065345 101674
24. 4041 SPRING 1 4 20 x 0 75 390 101674 TERMINAL ring 410 C32090 SEAT hb aaa ld sch a 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 420 C32089 NUT retainer 230 19269 SCREW fill hd machine 2 430 115860 INSERT male 4 40 x 0 25 440 115862 CONNECTOR male crimp 460 112144 SCREW PH 8 32 X 1 4 510 157021 WASHER lock 520 116640 CONNECTOR These parts are included in Repair Kit C27342 which may be purchased separately Mm Keep these spare parts on hand to reduce down time Ref 330 510 390 ef 330 390 rr 380 440 HEATER ee 20 0 w 240 VOLTS 4 a passa 990 gt 270 800 p e sal i C gt 320 ae SECTION B B Enlarged to show detail Notes gt Coat with heat sink compound 400 before installing 28 310538 Parts Model 297266 Automatic Hot Melt Swirl Dispense Valve o 192 o Te o o e 290 280 120 130 260 el Material Inlet ANA US 1 4 IS 360 7 o o o o q e A q RS 230 si Hy 50 40 30 200 210 140 ISL 480 500 Section A A TI11205a ep TA AN NAL k XK k EE ENEE 410 310538 29 Parts Model 297266 Automatic Hot Melt Swirl Dispense Valve Ref Part No No 10 C32083 20 103610 30 C19800 40 100016 50 110755 60 C34044 70 C34032 80 C34030 90 113944 100 103649 110 C32088 120 112248 125 C19359 130 C
25. 41 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi 2 310538 Warnings The following Warnings are for the safe setup use grounding maintenance and repair of this equipment The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks Refer back to these Warnings Additional product specific warnings may be found throughout the body of this manual where applicable 44 WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and INSTRUCTIONS result in serious injury e B RA Ban This equipment is for professional use only Read all instruction manuals warnings tags and labels before operating the equipment Use the equipment only for its intended purpose If you are uncertain call your Graco distribu tor 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 air working pressure of 1 MPa 10 bar 150 psi to the applicator Do not exceed the maximum fluid working pressure of 24 MPa 241 bar 3500 psi to the applicator or manifold Never exceed the recommended working pressure or the maximum air inlet pressure stated on your pump or in the Technical Data on page 47 Be sure that all spray dispensing equipment and accessories are rated to withsta
26. C07664 112144 157021 Description Qty COVER SCREW fill hd machine 4 40 x 0 25 BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 120V 150 W BLOCK mounting 1 TAPE fiberglass 9 0 5 wide 229 mm SCREW soc hd cap 2 1 4 20 x 1 SCREW soc hd cap 4 1 4 20 x 3 25 SENSOR RTD BRACKET NUT hex 14 40 SCREW fill hd machine 4 40 x 0 38 CONNECTOR 6 pin SPRING WIRE high temp 127 mm TERMINAL ring COMPOUND heat sink A R SCREW 1 WASHER lock 1 N b b haa UI sch These parts are included in Repair Kit 918520 which may be purchased separately Mm Keep these spare parts on hand to reduce down time _ gt 270 SECTION B B Enlarged to show detail 340 330 320 lt Notes gt Coat with heat sink compound 400 before installing Parts Model 243694 Therm O Flow Automatic Dispense Valve 260 370 CLOSF j Fl 250 360 4 PE as 3 430 UN 7 ma og 3 SCH
27. Instructions Parts List GRACO Therm O Flow 2 Automatic Dispense Valves EN Air operated dispense valves For professional use only Important Safety Instructions ad Read all warnings and instructions in this manual sg Save these instructions lt O 9 Model 918483 Shown PROVEN QUALITY LEADING TECHNOLOGY Table of Contents List of Models 2 s u yp eee eee 2 Pans tetas iad dat eas eeu eat ot 20 El le Q y SD Pa Qa pl 3 ACCOSSOMES ke fected eee ee Ra ele 43 Installation uu u eee ees 6 Dimensions ie eeo a ee ees 45 Troubleshooting 10 Technical Data 47 SEVICE ici iio 11 Graco Standard Warranty 48 Graco Information 48 List of Models A Ne Ins No fins resne CO fage Type Type No of Pins Pressure Pressure Page Joen Snuf Back Ambient 261 bar 24 MPa 9500 ps 10 bar 1 MPa 150 ps 24 243695 Base Seal H F 240V 8 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi 243696 Snuff Back 240V 8 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi C27340 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi TOF C34079 120V 6 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi C50592 120V 6 2
28. Qty h h 9 A A sch JA sch 4 These parts are included in Repair Kit C27342 which may be purchased separately Mm Keep these spare parts on hand to reduce down time gt 270 520 HEATER _ 200W 240 VOLTS Notes gt Coat with heat sink compound before installing SECTION B B Enlarged to show detail g Ref 330 510 390 Parts Model 243695 Therm O Flow Automatic Dispense Valve 120 130 Cyl air ports 1 8 npi 90 140 T10432 210 40 30 20 410 ef 1 2 npt m outlet 10 SECTION A A A 410 tt 310 SR _ 300 E 210 p l T111206a 290 280 360 GA ge 350 r B J B L J J J s Material Inlet 30 Port 1 2 npt CH 1 2 npt male material outlet A 310538 31 Parts Model 243695 Therm O Flow Automatic Dispense Valve Ref Part No Description Qty Ref PartNo Description Qty No No 10 C51762 ADAPTER seat 1 220 C34040 COVER 1 20 722834 O RING 018 fluoroelastomer 1 230 C19269 SCREW fill hd ma
29. aining ring 170 from adapter seat 1 Make sure all parts are free of solid material Fig 10 Not on base seal guns residue e Remove seal 150 and spacer 160 from f Remove o ring 20 from adapter seat 1 Nis TAI lel 70 E c b 2 Reassemble adapter assembly Fig 10 adapter seat Fig 10 Not on base seal guns a Lubricate and replace o ring 20 Lubricate and replace seal 150 and spacer 160 Make sure the seal energizer faces toward the material pressure Replace retaining ring 170 d Replace seat retainer 10 LE LAN 20 r N e Insert and tighten three socket head screws L N ESAS 30 in Fig 9 P U 150 1 9 f Screw on nozzle adapter C 10 3 Lubricate then replace dispense valve body Fig 10 Snuff Back Valve Shown seal 70 Make sure the seal energizer faces toward the material pressure 310538 15 Service 4 Reassemble cap and base Fig 11 310 y Lubricate o ring 100 and ring 110 Insert o ring 100 into needle piston 140 groove Slide ring 110 on top of o ring 100 Lubricate then replace o rings 90 and 250 Insert spring on base seal models Fig 12 Insert needle assembly into cylinder cap 260 Place spring 370 over shaft of needle piston Seat spring in groove on piston face on snuff back
30. air has been shut off 12 310538 hot To reduce risk of injury wear eye protection gloves and protective clothing when servicing this dispensing system component 5 If the material in the dispense valve can be re heated wait for the dispense valve to cool thor oughly before servicing it If the material in the dispense valve cures perma nently when cooled and or exposed to air service the unit while the material is at a temperature where the material is soft enough to work with Service Service the Automatic Dispense Valve Some dispense valve seals and o rings can be re placed while the dispense valve is still mounted However to replace the needle you must remove the automatic dispense valve from the mounting bracket and disassemble it Prior to installation lubricate all seals and o rings with 115982 Graco thermal lubricant 3 oz cartridge or an equivalent lubricant Check with the material supplier for a compatible lubricant 50 300 my e Snuff Back Valve Shown Fig 8 Disconnect Automatic Dispense Valve from Mounting Bracket Remove the automatic dispense valve from its mount ing bracket 1 Perform the procedures in Prepare to Service Automatic Dispense Valve on page 12 44 WARNING HOT SURFACE AND FLUID HAZARD The material and equipment may be hot To reduce risk of injury wear eye
31. chine 2 30 C19800 SCREW soc hd cap 5 4 40 x 0 25 1 4 20 x 0 5 240 C32085 BASE cylinder 1 40 100016 WASHER lock 1 4 2 250 103337 O RING 010 fluoroelastomer 1 50 260 C34028 CAP cylinder 1 60 C34044 PLATE blank off 1 270 116011 HEATER cartridge 1 70 C34032 SEAL 1 230 V 200 W 80 C34030 SPACER 4 280 C32099 BLOCK mounting 1 90 113944 O RING 125 fluoroelastomer 1 290 C33037 TAPE fiberglass 9 100 103649 O RING 123 fluoroelastomer 1 0 5 wide 229 mm 110 C32088 RING 1 300 C19810 SCREW soc hd cap 2 120 112248 NUT hex 1 1 4 20 x 1 125 C19359 SCREW set 1 310 104594 SCREW soc hd cap 4 130 C20521 SEAL thread 1 1 4 20 x 3 25 1407 C32082 NEEDLE piston 1 320 C32255 SENSOR RTD 1 150 330 C34043 BRACKET 1 160 350 C19949 SCREW pan hd machine 2 170 4 40 x 0 5 180 C34045 SPACER 2 360 115861 HOUSING conn 1 200 112166 SCREW soc hd cap 2 380 065345 WIRE high temp 127 mm 5 1 4 20 x 0 75 390 101674 TERMINAL ring 1 210 C19197 WASHER flat 3 16 6 410 C51774 SEAT 1 430 115860 INSERT male 1 440 115862 CONNECTOR male 1 460 112144 SCREW 1 510 157021 WASHER lock 1 520 116640 CONNECTOR 4 These parts are included in Repair Kit C50594 which may be purchased separately Mm Keep these spare parts on hand to reduce down time ei ee o 380 440 460 HEATER P 200W 240VOLTS gt ESA i D eet enna jo od dl SENSOR RTD gt 270 520 Oo oj l C ee SECTION B B Enlarg
32. d K amp S A 310538 19 Ref No 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Parts Model 194485 Warm 275 F 135 C max Automatic Dispense Valve with Snuff Back Qty 1 1 al PF p Mi N N sch N Ref No 220 230 240 250 260 2704 280 290 300 310 320 330 340 350 360 370 380 390 400 460 510 Part No C34040 C19269 617537 103337 C34028 C31034 C32099 C33037 C19810 104594 C32255 C34043 102794 C19270 C07329 617536 065345 101674 C07664 112144 157021 Description COVER SCREW fill hd machine 4 40 x 0 25 BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 120V 150 W BLOCK mounting TAPE fiberglass 0 5 wide 229 mm SCREW soc hd cap 1 4 20 x 1 SCREW soc hd cap 1 4 20 x 3 25 SENSOR RTD BRACKET NUT hex 4 40 SCREW fill hd machine 4 40 x 0 38 CONNECTOR 6 pin SPRING WIRE high temp 127 mm TERMINAL ring COMPOUND heat sink SCREW WASHER lock Qty N b b 9 haa UI sch A R 4 4 These parts are included in Repair Kit 194486 which may be purchased separately Mm Keep these spare parts on hand to reduce down time Part No Description 617479 ADAPTER sea
33. d seal 150 spacer 160 and retaining ring 170 Worn needle Check and replace needle 140 if necessary f replacing needle you must disassemble dispense valve Worn seat Base seal models Check and replace seat 10 if neces sary Material leaks from automatic Seal not installed correctly Check seal 70 and replace if neces Se eae oat Automatic dispense valve Check air connections Hoes Or Shut oft Worn needle seal interface Check and replace if necessary needle 140 rod seal 150 spacer 160 and retaining ring 170 If replacing needle you must disas semble dispense valve Automatic dispense valve Worn spring piston interface Disassemble dispense valve Check does not shut off and replace if necessary needle 140 and spring 370 Automatic dispense valve Spring broken or not installed correctly Disassemble dispense valve Check does not shut off and replace if necessary needle 140 and spring 370 Automatic dispense valve Loose heater wires Check and reconnect wire connections does not heat material Loose sensor wires Check and reconnect wire connections Heater unit failed Replace heater See page 17 Temperature controller failed Replace temperature controller No power to heating circuitry Apply power to heating circuitry Sensor failed Replace sensor See page 17 10 310538 Service This procedure describes how to relieve pressure from the automatic dispense valve
34. e tip clogs while applying material ALWAYS follow the Pressure Relief Procedure on page 11 then remove the tip to clean it NEVER wipe off build up around the tip or air cap until pressure is fully relieved 44 WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD Improper grounding poor air ventilation open flames or sparks can cause a hazardous condition and result in fire or explosion and serious injury e Ground the equipment and the object being sprayed The Automatic Dispense Valve is grounded through proper connection of pin E inside the electrical control panel to truth earth ground inside the electrical control panel See Grounding on page 9 Ground the equipment and the object being sprayed and all other electrically conductive objects in the dispense area Proper grounding dissipates static electricity generated in the equipment See Grounding on page 9 Do not use this equipment with flammable liquids Keep the dispense area free of debris including solvent rags and gasoline If there is any static sparking or you feel an electric shock while using the equipment stop dis pensing immediately Do not use the equipment until you have identified and corrected the problem Make sure all electrical work is performed by a qualified electrician only Have any checks installation or service to electrical equipment performed by a qualified electri cian only Make sure all electrical equipment is installed and operated
35. ead screws 300 and two flat washers 50 Be sure to position the insulation block 280 and insulation tape 290 between the dispense valve and the mounting bracket 290 Fig 1 6 310538 Attach Dispense Tip Nozzle or Swirl Attach a dispense tip and a nozzle adapter or a nozzle adapter alone to the automatic dispense valve Dispense Tip and Nozzle Adapter Attachment Attach dispense tip B to the automatic dispense valve 1 Select a nozzle adapter C and a dispensing tip B 2 Install the tip and then use the nozzle adapter C to secure the tip to the seat adapter D Fig 2 Installation Nozzle Attachment Swirl Nozzle Attachment Attach a nozzle C to the automatic dispense valve 1 Install swirl adapter C on seat adapter D 2 Install swirl applicator head E 1 Select ainozzie 3 Install swirl nozzle F 2 Install nozzle adapter C on the seat adapter D A 3 Install nozzle in nozzle adapter E Fig 3 UL Fig 4 310538 7 Installation Connect Air Lines to Dispense Valve Connect Material Hose to Dispense Valve CAUTION Securely connect the material hose to the dispense valve material inlet port A See Fig 5 Only use air fittings that are rated at a temperature equal to
36. ed to show detail gt 320 520 Notes gt Coat with heat sink compound 400 before installing 32 310538 Parts Model 243696 Therm O Flow Automatic Dispense Valve with Snuff Back 120 130 260 240 OPEN 100 110 SCH Cyl air ports L 360 1 8 npt CLOSE 230 220 90 200 210 80 70 190 IS 180 60 ER 50 40 30 150 20 SECTION A A 410 140 10 T10433 A A 300 50 290 280 360 a 350 Ep I LR ees B J B E L i J AA Material Inlet 30 Port 1 2 npt 1 8 npt male s material outlet A 310538 33 Parts Model 243696 Therm O Flow Automatic Dispense Valve with Snuff Back Ref No 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Part No 617479 722834 C19800 100016 110755 C34044 617604 C34030 113944 103649 C32088 617495 C20521 918471 617491 617480 C20406 C34045 617605 112166 C19197 34 310538 Description Qty Ref PartNo Description Qty No ADAPTER seat 1 220 C34040 COVER 1 O RING 018 fluoroelastomer 1 230 C19269 SCREW fill hd machine 2 SCREW soc hd cap 5 4 40 x 0 25 WASHER lock 1 4 2 240 617603 BASE cylinder 1 WASHER flat
37. ential 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 rapport directement ou indirectement avec les procedures co
38. g Parts Model C50592 Therm O Flow Automatic Dispense Valve Double Acting 130 J 260 100 110 Cyl air ports TI11210a Ref 1 4 npt f outlet 225 235 S 310 300 50 290 k 350 E Material Inlet Port 1 2 npt TIO869 1 4 npt female material outlet 310538 41 Parts Model C50592 Therm O Flow Automatic Dispense Valve Double Acting Ref No 10 15 20 30 40 50 60 70 80 90 100 110 120 125 130 140 180 190 195 200 215 220 225 230 235 F Ret 330 42 Part No C50881 C50582 722834 C19800 100016 C19197 C34044 C34032 C34030 113944 103649 C32088 112248 C19359 C20521 C50583 C34045 C32097 100333 112166 109576 C34040 112788 C19269 100079 310538 Description ADAPTER nozzle manifold MANIFOLD nozzle O RING fluoroelastomer SCREM soc hd cap 1 4 20 x 0 5 WASHER lock 1 4 WASHER flat 1 4 PLATE bank oft SEAL graphite PTFE SPACER O
39. h may be purchased separately Mm Keep these spare parts on hand to reduce down time Part No Description 617479 ADAPTER seat 722834 O RING 018 fluoroelastomer C19800 SCREW soc hd cap 1 4 20 x 0 5 100016 WASHER lock 1 4 110755 WASHER flat 1 4 C34044 PLATE blank oft 617604 SEAL C34030 SPACER 113944 O RING 125 fluoroelastomer 103649 O RING 123 fluoroelastomer C32088 RING 617495 SCREW button head 1 4 20 x 0 31 C20521 SEAL thread 918471 NEEDLE piston 617491 SEAL rod hi temp 0 25 x 0 50 x 0 25 617480 SPACER C20406 RING retaining for 0 56 I D C34045 SPACER 617605 BODY 112166 SCREW soc hd cap 1 4 20 x 0 75 C19197 WASHER flat 3 16 460 390 510 i Ref330 390 gt 270 22 310538 SECTION B B Enlarged to show detail 340 330 320 lt Notes gt Coat with heat sink compound 400 before installing Parts Model 918512 Ambient Therm O Flow Automatic Dispense Valve with Snuff Back 120 130 100 110 Cyl air ports 1 8 npt 260 Z 60 250 EE ree BECA 240 lt
40. inder cap 260 and cylinder base 240 from the dispense valve body 190 The needle and piston remain with the cap and base FA 140 Dess YAD 5 Remove cap from base uF _ 6 Remove needle from either the cap or the base 200 230 depending on which piece it went with When the 210 needle is separated from the base the closure spring 370 falls out 30 Fig 9 Snuff Back Valve Shown 7 Using an o ring pick remove dispense valve body To disassemble the automatic dispense valve seal 70 1 Relieve automatic dispense valve pressure 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure page 11 2 Make sure you have removed the dispense valve from its mounting 14 310538 Service 8 Disassemble adapter assembly Fig 10 Reassemble Automatic Dispense Valve a Unscrew nozzle adapter C Prior to installation lubricate all seals and o rings with 115982 Graco high temperature grease 3 oz car b Remove three socket head screws 30 in Fig 9 tridge or an equivalent lubricant Check with the material supplier for a compatible lubricant c Remove seat adapter 10 Contains seat on To reassemble the automatic dispense valve base seal valves d Remove ret
41. machine 4 40 x 0 25 Qty 1 N N sch sch P sch PM al N bM Ref No 240 250 260 2704 280 290 300 310 320 330 340 350 360 370 380 390 400 410 420 460 510 Part No C32085 103337 C34028 C31034 C32099 C33037 C19810 104594 C32255 C34043 102794 C19270 C07329 C34041 065345 101674 073019 C32090 C32089 112144 157021 Description BASE cylinder O RING 010 fluoroelastomer CAP cylinder HEATER cartridge 120 V 150 W BLOCK mounting TAPE fiberglass 0 5 wide 229 mm SCREM soc hd cap 1 4 20 x 1 SCREM soc hd cap 1 4 20 x 3 25 SENSOR RTD BRACKET NUT hex 14 40 SCREW fill hd machine 4 40 x 0 38 CONNECTOR 6 pin SPRING WIRE high temp 127 mm TERMINAL ring COMPOUND heatsink not shown SEAT NUT retainer SCREW WASHER lock Qty b b UI b b 1 These parts are included in Repair Kit C27342 which may be purchased separately Mm Keep these spare parts on hand to reduce down time gt 270 SECTION B B Enlarged to show detail 340 330 320 lt Notes gt Coat with heat sink compound 400 before installing Parts Model C34079 Therm O Flow Automatic Dispense Valve Double Acting 125
42. nance 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 person or property or any other incidental or consequ
43. ncern es Graco Information For the latest information about Graco products visit www graco com 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 For patent information see www graco com patents Original instructions This manual contains English MM 310538 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 e USA Copyright 1997 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised July 2012 48 310538
44. nd the maxi mum working pressure of the pump Do not exceed the maximum working pressure of any component or accessory used in the system Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco standard hoses to temperatures above 180 F 82 C or below 40 F 40 C Do not expose Graco electrically heated hoses to temperatures above 400 F 222 C or below 40 F 40 C Do not expose Graco standard hoses to temperatures above 180 F 82 C or below 40 F 40 C Do not use the hoses to pull the equipment Use only fluids and solvents that are compatible with the equipment wetted parts See the Technical Data sections of all the equipment manuals Read the fluid manufacturer s warnings Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturers Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and other safety regulations 310538 3 4 310538 44 WARNING HOT SURFACE AND FLUID HAZARD Heated fluid can cause severe burns and can cause equipment surfaces to become very hot e Wear protective gloves and clothing when operating this equipment in a heated system e Do not touch the metal heat sink when the surface is hot e Allow the equipment to cool thoroughly before servicing Some heated systems are designed to dispense Pol
45. or higher than the operating temperature of Connecting Electrical Cable to Dispense your fluid dispensing system Lower rated air fit Valve tings could melt and cause damage to the automat St Connect electrical cable plug from your Therm O ic dispense valve Flow or Therm O Flow Plus hose or control These valves are air to open and air to close with a spring to bias them closed Use a 4 way exhausting solenoid to operate these valves Making sure to connect the appropriate air lines to the appropriate ports see Fig 5 securely connect air lines to dispense valve air ports G 1 8 npt open 360 G e A close 1 2 npt 1 8 npt O p i N N LZ Snuff Back Valve Shown Fig 5 8 310538 Installation Grounding 44 WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD To reduce the risk of fire explosion or TI electric shock e The power source conduit is not an ad equate ground for the system The unit must be grounded to either the building ground or a true earth ground e A qualified electrician must complete all grounding and wiring connections and check the resistance e Refer to your local code for the requirements for a true earth ground in your area e Also read and follow the warnings on page 5 Ground the automatic dispense valve 1 Connect the connector from a
46. rm O Flow Automatic Dispense Valve Double Acting 120 130 250 ee ZAE 60 CLOSE sis KA 150 Cyl air ports zz lt oe 210 100 110 E ai 90 E SS N UI 80 70 S Material Inlet 30 Port 1 2 npt 1 8 npt female Ls material outlet 310538 35 Ref No 10 20 30 60 70 80 90 100 110 120 130 Part No C32083 103610 C19800 C34041 C34032 C34030 113944 103649 C32088 C19359 112248 36 310538 Description ADAPTER seat O RING 018 fluoroelastomer SCREW soc hd cap 1 4 20 x 0 5 SPRING SEAL SPACER O RING 123 fluoroelastomer O RING GLIDE RING SCREW set 1 4 20 x 1 5 in NUT hex 1 4 20 Parts Model C27340 Ambient Therm O Flow Automatic Dispense Valve Double Acting Qty 4 4 3 sch bh Ref No 150 190 210 220 230 240 250 270 280 Part No C32082 C32097 103337 C34028 C32089 C32085 C20521 C32090 104594 Description NEEDLE assembly BODY O RING 010 fluoroelastomer CAP cylinder RETAINER BASE cylinder SEAL thread SEAT SCREW soc hd Qty sch sch sch sch od ch Lk Keep these spare parts on hand to reduce down time Model C34068 Warm Automatic D Parts ispense Valve Double Acting 125 SS e 370 CLOSE 250 100 110 Cyl air ports
47. t 722834 O RING 018 fluoroelastomer C19800 SCREW soc hd cap 1 4 20 x 0 5 100016 WASHER lock 1 4 111591 WASHER flat 1 4 C34044 PLATE blank oft 551190 SEAL Polymite C34030 SPACER 113944 O RING 125 fluoroelastomer 103649 O RING 123 fluoroelastomer C32088 RING 617495 SCREW button head 1 4 20 x 0 31 C20521 SEAL thread 918471 NEEDLE piston C54172 SEAL rod 0 25 x 0 50 x 0 25 617480 SPACER C20406 RING retaining for 0 56 I D C34045 SPACER 194527 BODY gun 112166 SCREW soc hd cap 1 4 20 x 0 75 C19197 WASHER flat 3 16 460 390 510 Ref 330 390 gt 270 20 310538 Y SECTION B B Enlarged to show detail 340 330 320 lt Notes gt Coat with heat sink compound 400 before installing Parts Model 918483 Therm O Flow Automatic Dispense Valve with Snuff Back 120 130 e 260 SS Di 370 De 250 100 110 A Cyl air ports 1 8 npt Al i pl by A CH 200 210
48. yurethane PUR heated materials PUR systems are supplied with ventilation hoods and require proper ventilation and specially designed system components SKIN INJECTION HAZARD Spray from the applicator hose 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 surgical treatment Do not point the applicator at anyone or at any part of the body Do not put hand or fingers over the front of the applicator Do not stop or deflect fluid leaks with your hand body glove or rag Follow the Pressure Relief Procedure on page 11 whenever you are instructed to relieve pressure stop dispensing clean check or service the equipment or install or clean a tip or nozzle Tighten all the fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immedi ately Permanently coupled hoses cannot be repaired replace the entire hose ALWAYS wear eye protection and protective clothing when installing operating or servicing this dispensing equipment Do not remove or modify any part of the applicator this can cause a malfunction and result in serious bodily injury Use extreme caution when cleaning or changing tips If th
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