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Graco Therm-O-Flow Series, Instructions-Parts List Manual

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Graco Therm-O-Flow Series Instructions-Parts List Manual Download Page 16

Service 

16

310538N

Service

4. Reassemble cap and base (F

IG

. 11):

a. Lubricate o-ring (100) and ring (110).

b. Insert o-ring (100) into needle piston (140) 

groove.

c. Slide ring (110) on top of o-ring (100).

d. Lubricate, then replace o-rings (90) and (250). 

Insert spring on base seal models (F

IG

. 12).

e. Insert needle assembly into cylinder cap (260).

f.

Place spring (370) over shaft of needle/piston. 
Seat spring in groove on piston face on snuff-
back models (F

IG

. 11).

g. Slide base (240), over the needle, into the cylin-

der cap (260). Seat spring (370) in groove on 
base.

F

IG

. 11

F

IG

. 12

5. Reconnect the cable receptacle to the automatic 

dispense valve. See F

IG

. 13.

a. Re-insert heater cartridge and sensor into their 

appropriate holes.

b. Ensure the ground wire (380) is connected to 

the bracket (330).

c. Connect the receptacle to the dispense valve 

body. Then secure it with the two socket head 
screws (200) and washers (210).

d. Reattach the receptacle cover. Then secure it 

with the two screws (230).

F

IG

. 13

Snuff-Back Valve Shown

Base Seal Valves

Summary of Contents for Therm-O-Flow Series

Page 1: ...arts List Therm O Flow Automatic Dispense Valves Air operated dispense valves For professional use only Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Model 918483 Shown ...

Page 2: ...Pa 3500 psi 10 bar 1 MPa 150 psi 24 TOF 918639 Snuff Back 120 V 6 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi 26 TOF 243694 Base Seal 240 V 8 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi 28 TOF 200 297266 Snuff Back Swirl 240 V 8 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi 30 TOF 243695 Base Seal H F 240 V 8 241 bar 24 MPa 3500 psi 10 bar 1 MPa 150 psi 31 TOF 243696 Snuff Back 240 V 8 241 bar 24...

Page 3: ...f 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 withstand the maximum working pressure of the pump Do not exceed the maximum working pressure of any component or accessory used in the...

Page 4: ...reatment 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 t...

Page 5: ...trical work is performed by a qualified electrician only Have any checks installation or service to electrical equipment performed by a qualified electrician only Make sure all electrical equipment is installed and operated 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 li...

Page 6: ...ort or robotic arm FIG 1 using two socket head 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 FIG 1 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 disp...

Page 7: ...to the automatic dispense valve 1 Select a nozzle 2 Install nozzle adapter C on the seat adapter D 3 Install nozzle in nozzle adapter E FIG 3 Swirl Nozzle Attachment 1 Install swirl adapter C on seat adapter D 2 Install swirl applicator head E 3 Install swirl nozzle F FIG 4 ...

Page 8: ...e air ports G FIG 5 Connect Material Hose to Dispense Valve Securely connect the material hose to the dispense valve material inlet port A See FIG 5 Connecting Electrical Cable to Dispense Valve Connect electrical cable plug from your Therm O Flow or Therm O Flow Plus hose or control CAUTION Only use air fittings that are rated at a temperature equal to or higher than the operating temperature of ...

Page 9: ...e earth ground WARNING FIRE EXPLOSION AND ELECTRIC HAZARD To reduce the risk of fire explosion or electric shock The power source conduit is not an ade quate ground for the system The unit must be grounded to either the building ground or a true earth ground A qualified electrician must complete all grounding and wiring connections and check the resistance Refer to your local code for the require ...

Page 10: ... dispense valve Worn seat Base seal models Check and replace seat 10 if necessary Material leaks from automatic dispense valve body Seal not installed correctly Check seal 70 and replace if necessary Seal is worn Automatic dispense valve does not shut off Loose air connections Check air connections Worn needle seal interface Check and replace if necessary needle 140 rod seal 150 spacer 160 and ret...

Page 11: ...lowly loosen the tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Then clear the tip nozzle or hose WARNING HOT SURFACE AND FLUID HAZARD The material and equipment will be hot To reduce the risk of injury wear eye protection gloves and protective clothing when installing operating or servicing this dispensing system SKIN INJECTION HAZARD The system ...

Page 12: ...e valve 1 Relieve the system pressure 2 Make sure material flow has been shut off 3 Make sure system air has been shut off 4 Remove power from the automatic dispense valve 5 If the material in the dispense valve can be reheated 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 u...

Page 13: ...omatic Dispense Valve on page 12 2 Disconnect the cable plug from receptacle on dis pense 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 dispen...

Page 14: ...dge 270 and sensor 320 will come out of the dispense valve body FIG 15 4 Remove the four socket head screws 310 and pull cylinder cap 260 and cylinder base 240 from the dispense valve body 190 The needle and piston remain with the cap and base 5 Remove cap from base 6 Remove needle from either the cap or the base depending on which piece it went with When the needle is separated from the base the ...

Page 15: ... Graco high temperature grease 3 oz cartridge or an equivalent lubricant Check with the material supplier for a compatible lubricant To reassemble the automatic dispense valve 1 Make sure all parts are free of solid material resi due 2 Reassemble adapter assembly FIG 10 a Lubricate and replace o ring 20 b Lubricate and replace seal 150 and spacer 160 Make sure the seal energizer faces toward the m...

Page 16: ...piston face on snuff back models FIG 11 g Slide base 240 over the needle into the cylin der cap 260 Seat spring 370 in groove on base FIG 11 FIG 12 5 Reconnect the cable receptacle to the automatic dispense valve See FIG 13 a Re insert heater cartridge and sensor into their appropriate holes b Ensure the ground wire 380 is connected to the bracket 330 c Connect the receptacle to the dispense valve...

Page 17: ...e to Service Automatic Dispense Valve on page 12 2 Remove the cable receptacle from the automatic dispense valve a Remove the two screws from the connector cover FIG 9 Item 230 and remove the recep tacle cover b Remove the two socket head screws FIG 14 Item 200 two washers 210 The heater car tridge 270 and sensor 320 will come out of the dispense valve body FIG 14 3 Remove old heater cartridge or ...

Page 18: ...e it with the two socket head screws FIG 14 Items 200 and washer 210 b Reattach the receptacle cover to the Amphenol connector base and secure the cover with the screws Inspection Frequency Automatic Dispense Valve Inspect automatic dispense valve at least once every two weeks for leakage or other visible damage Check specifically for material leaks air leaks Hoses Tubes Inspect hoses tubes at lea...

Page 19: ...Parts 310538N 19 Parts Model 194485 Warm 275 F 135 C max Automatic Dispense Valve with Snuff Back ...

Page 20: ...SEAL rod 0 25 x 0 50 x 0 25 1 160 617480 SPACER 1 170 C20406 RING retaining for 0 56 I D 1 180 C34045 SPACER 2 190 194527 BODY gun 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 617537 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 C31034 HEATER cartridge 120V 1...

Page 21: ...Parts 310538N 21 Parts Model 918483 Therm O Flow Automatic Dispense Valve with Snuff Back ...

Page 22: ...i temp 0 25 x 0 50 x 0 25 1 160 617480 SPACER 1 170 C20406 RING retaining for 0 56 I D 1 180 C34045 SPACER 2 190 617605 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 617603 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 C31034 HEATER cartridge 120V 150W 1 ...

Page 23: ...Parts 310538N 23 Parts Model 918512 Ambient Therm O Flow Automatic Dispense Valve with Snuff Back ...

Page 24: ...SHER flat 1 4 4 60 617536 SPRING 1 70 C34032 SEAL 1 80 C34030 SPACER 4 90 113944 O RING 123 fluoroelastomer 1 100 103649 O RING 1 110 C32088 O RING 1 120 112925 SCREW button head 1 4 20 x 0 31 1 130 C20521 SEAL thread 1 140 617491 SEAL outlet 1 150 918471 NEEDLE assembly 1 160 617480 SPACER 1 170 111209 RING retaining for 0 56 I D 1 190 194527 BODY 1 200 617537 BASE cylinder 1 210 103337 O RING 01...

Page 25: ...Parts 310538N 25 Parts Model 918639 Therm O Flow Automatic Dispense Valve with Snuff Back ...

Page 26: ...od hi temp 0 25 x 0 50 x 0 25 1 160 617480 SPACER 1 170 C20406 RING retaining for 0 56 I D 1 180 C34045 SPACER 2 190 617605 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 617603 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 C31034 HEATER cartridge 120V 150...

Page 27: ...Parts 310538N 27 Parts Model 243694 Therm O Flow Automatic Dispense Valve ...

Page 28: ...34045 SPACER 2 190 C32097 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 C32085 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 116011 HEATER cartridge 230V 200W 1 280 C32099 BLOCK mounting 1 290 C33037 TAPE fiberglass 0 5 wide 229 mm 9 300 C19810 SCREW soc ...

Page 29: ...Parts 310538N 29 Parts Model 297266 Automatic Hot Melt Swirl Dispense Valve ...

Page 30: ... 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 C32085 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 116011 HEATER cartridge 230V 200W 1 280 C32099 BLOCK mounting 1 290 C33037 TAPE fiberglass 0 5 wide 229 mm 9 300 C19810 SCREW soc hd cap 1 4 20 x 1 2 310 104594 S...

Page 31: ...Parts 310538N 31 Parts Model 243695 Therm O Flow Automatic Dispense Valve ...

Page 32: ...4045 SPACER 2 190 C32097 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 6 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 C32085 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 116011 HEATER cartridge 230V 200W 1 280 C32099 BLOCK mounting 1 290 C33037 TAPE fiberglass 0 5 wide 229 mm 9 300 C19810 SCREW soc h...

Page 33: ...Parts 310538N 33 Parts Model 243696 Therm O Flow Automatic Dispense Valve with Snuff Back ...

Page 34: ...0 x 0 25 1 160 617480 SPACER 1 170 C20406 RING retaining for 0 56 I D 1 180 C34045 SPACER 2 190 617605 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 617603 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 116011 HEATER cartridge 230V 200W 1 280 C32099 BLOCK ...

Page 35: ...Parts 310538N 35 Parts Model C27340 Ambient Therm O Flow Automatic Dispense Valve Double Acting ...

Page 36: ...20 x 0 5 3 60 C34041 SPRING 1 70 C34032 SEAL 1 80 C34030 SPACER 4 90 113944 O RING 123 flouroelastomer 1 100 103649 O RING 1 110 C32088 GLIDE RING 1 120 C19359 SCREW set 1 4 20 x 1 5 1 130 112248 NUT hex 1 4 20 1 150 C32082 NEEDLE assembly 1 190 C32097 BODY 1 210 103337 O RING 010 fluoroelastomer 1 220 C34028 CAP cylinder 1 230 C32089 RETAINER 1 240 C32085 BASE cylinder 1 250 C20521 SEAL thread 1 ...

Page 37: ...Parts 310538N 37 Parts Model C34068 Warm Automatic Dispense Valve Double Acting ...

Page 38: ...82 NEEDLE assembly 1 180 C34045 SPACER 2 190 C32097 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 210 C19197 WASHER flat 3 16 6 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 C32085 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 C31034 HEATER cartridge 120V 150W 1 280 C32099 BLOCK mounting 1 290 C33037 TAPE fiberglass 0 5 wide 229 ...

Page 39: ...Parts 310538N 39 Parts Model C34079 Therm O Flow Automatic Dispense Valve Double Acting ...

Page 40: ... thread 1 140 C32082 NEEDLE assembly 1 180 C34045 SPACER 2 190 C32097 BODY 1 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 220 C34040 COVER 1 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 240 C32085 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 C31034 HEATER cartridge 120V 150W 1 280 C32099 BLOCK mounting 1 290 C33037 TAPE fiberglass 0 5 wide 229 mm 9 300 C19...

Page 41: ...Parts 310538N 41 Parts Model C50592 Therm O Flow Automatic Dispense Valve Double Acting ...

Page 42: ... SPACER 2 190 C32097 BODY 1 195 100333 SCREW cap hex hd 3 200 112166 SCREW soc hd cap 1 4 20 x 0 75 2 215 109576 O RING fluoroelastomer 1 220 C34040 COVER 1 225 112788 SCREW soc hd cap 4 230 C19269 SCREW fill hd machine 4 40 x 0 25 2 235 100079 WASHER lock spring 4 240 C32085 BASE cylinder 1 250 103337 O RING 010 fluoroelastomer 1 260 C34028 CAP cylinder 1 270 C31034 HEATER cartridge 120V 150W 1 2...

Page 43: ...pter C20700 10 37 SAE 7 8 14 m x 1 2 npt male adapter C20703 NOTE The following accessories are not applicable to Model 297266 EXTRUSION NOZZLE ADAPTER NUT 5 8 18 f x 1 8 npt f 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 C32089 Description Length Orifice Thread Part No ...

Page 44: ...ID VALVE KITS For heated double acting air actuated valves Includes solenoid 24 high temperature air tubes air fittings and muffler SWIRL ASSEMBLIES For Model 297266 only Description NPT Tube Part No 90 elbow brass push in tube 1 8 male 1 4 O D C19389 Coil Voltage Part No 120 Volt AC C58942 230 Volt AC 243703 24 Volt DC C59038 Description Orifice Size in Part No Swirl applicator head n a 118072 Sw...

Page 45: ...Dimensions 310538N 45 Dimensions ...

Page 46: ...Dimensions 46 310538N ...

Page 47: ...400 F 241 bar 24 MPa 3500 psi 10 bar 1MPa 150 psi 22 PTFE fluoroelastomer 918512 205 C 400 F 241 bar 24 MPa 3500 psi 10 bar 1MPa 150 psi 24 PTFE fluoroelastomer 918639 205 C 400 F 241 bar 24 MPa 3500 psi 10 bar 1MPa 150 psi 26 PTFE fluoroelastomer 243694 205 C 400 F 241 bar 24 MPa 3500 psi 10 bar 1MPa 150 psi 28 PTFE fluoroelastomer 297266 205 C 400 F 241 bar 24 MPa 3500 psi 10 bar 1MPa 150 psi 30...

Page 48: ...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 warran...

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