Page 2 - Type
2 310538 Table of Contents List of Models 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warnings 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshoot...
Page 3 - EQUIPMENT MISUSE HAZARD
310538 3 Warnings The following Warnings are for the safe setup, use, grounding, maintenance, and repair of this equipment. Theexclamation 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 w...
Page 4 - WARNING; HOT SURFACE AND FLUID HAZARD; SKIN INJECTION HAZARD
4 310538 WARNING HOT SURFACE AND FLUID HAZARD Heated fluid can cause severe burns and can cause equipment surfaces to become very hot. D Wear protective gloves and clothing when operating this equipment in a heated system. D Do not touch the metal heat sink when the surface is hot. D Allow the equip...
Page 5 - FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD
310538 5 WARNING FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous conditionand result in fire or explosion and serious injury. D Ground the equipment and the object being sprayed. The Automatic Dispense Valve isgrounded...
Page 6 - Installation; Mount the Automatic Dispense Valve; Dispense Tip and Nozzle Adapter Attachment
6 310538 Installation Install the automatic applicator as follows: D mount the automatic dispense valve D attach dispense tip, nozzle, or swirl D connect the air lines D connect material hose D connect the electrical cable D make sure the automatic dispense valve isgrounded Mount the Automatic Dispe...
Page 7 - Nozzle Attachment
310538 7 Installation Nozzle Attachment Attach a nozzle (C) 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 C D E Swirl Nozzle Attachment 1. Install swirl adapter (C) on seat adapter (D). 2. I...
Page 8 - Connect Air Lines to Dispense Valve; CAUTION; Connect Material Hose to Dispense Valve; Snuff–Back Valve Shown
8 310538 Installation Connect Air Lines to Dispense Valve CAUTION Only use air fittings that are rated at a temperatureequal to or higher than the operating temperature ofyour fluid dispensing system. Lower rated air fit-tings could melt and cause damage to the automat-ic dispense valve. These valve...
Page 9 - Grounding
310538 9 Installation Grounding WARNING FIRE, EXPLOSION, AND ELECTRICSHOCK HAZARDTo reduce the risk of fire, explosion, orelectric shock: D The power source conduit is not an ad-equate ground for the system. The unitmust be grounded to either the buildingground or a true earth ground. D A qualified ...
Page 10 - Troubleshooting; Problem
10 310538 Troubleshooting Some solutions require disassembling the automatic dispense valve. Always relieve system pressure before per-forming these procedures. WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always followthe Pressure Relief Procedure (p...
Page 11 - Service; Pressure Relief Procedure
310538 11 Service Pressure Relief Procedure WARNING HOT SURFACE AND FLUID HAZARDThe material and equipment will behot! To reduce risk of injury, wear eyeprotection, gloves and protective clothingwhen installing, operating, or servicingthis dispensing system. SKIN INJECTION HAZARDThe system pressure ...
Page 12 - Relieve the system pressure.
12 310538 Service Prepare to Service AutomaticDispense Valve If the unit is hot, determine whether or not you canservice the unit after it has cooled down. Some mate-rials, like polyurethanes, may cure permanently whencooled and exposed to air, preventing you from disas-sembling the dispense valve. ...
Page 13 - Service the Automatic Dispense Valve
310538 13 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 theautomatic dispense valve from the mounting bracketand disassemble it. Prior to installation, lubr...
Page 14 - Disassemble Automatic Dispense Valve; Relieve automatic dispense valve pressure.
14 310538 Service Disassemble Automatic Dispense Valve Fig. 9 230 200210 310 260 240 190 70 30 140 90 250 A 370 390 Snuff–Back Valve Shown To disassemble the automatic dispense valve: 1. Relieve automatic dispense valve pressure. WARNING To reduce the risk of serious injury whenever youare instructe...
Page 17 - Replace Heater Unit or Sensor; Shown
310538 17 Service Replace Heater Unit or Sensor You can replace the automatic dispense valve heaterunit or sensor without removing the automatic dis-pense valve from its mounting bracket. You only haveto disconnect the cable connector from the automaticdispense valve. This procedure requires: D sold...
Page 18 - Inspection Frequency; Automatic Dispense Valve; Heater
18 310538 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 pinextraction tool, new pins, and a pin crimpingtool. These tools meet spec MIL–C–22520[Ref. Daniels AF8 (crim...
Page 19 - Parts; C max) Automatic Dispense Valve with Snuff Back
310538 19 Parts Model 194485, Warm (275 5 F/135 5 C max) Automatic Dispense Valve with Snuff Back 30050 Cyl. air ports 1/8 npt Material Inlet Port 1/2 npt SECTION A–A A B 10 20 504030 60 70 80 90 100 110 120 130 260 370 250 240 190 180 170 160 150 140 360 350 30 290280 310 Ref. Nozzle Adapter 230 22...
Page 29 - Model 297266, Automatic Hot Melt Swirl Dispense Valve
310538 29 Parts Model 297266, Automatic Hot Melt Swirl Dispense Valve Material InletPort 1/2 npt B B A A 300, 50 290 280 310 360 350 30 Section A–A 125 120, 130 260 250 90 240 370 360 230 430 50, 40, 30 80 70 10 490 480 20 60 140 500 190 180 410 200, 210 220 380 410 140 TI11205a
Page 37 - Model C34068, Warm Automatic Dispense Valve, Double Acting
310538 37 Parts Model C34068, Warm Automatic Dispense Valve, Double Acting 30050 Material Inlet Port 1/2 npt A B 360 350 30 290 310 A B 1/8” npt female material outlet Cyl. air ports 1/8 npt 10 50, 40, 30 60 70 80 90 100,110 260 370 250 240 190 180 20 140 230 220 200, 210 TI0304 125 420 410 Section ...
Page 39 - Model C34079, Therm–O–Flow Automatic Dispense Valve, Double Acting
310538 39 Parts Model C34079, Therm–O–Flow Automatic Dispense Valve, Double Acting 300, 50 Material Inlet Port 1/2 npt A B 360 350 30 290 310 A B 1/8” npt female material outlet Cyl. air ports 1/8 npt 10 180 TI0304 Section A–A 280 120 130 360 Ref. 1/2” npt(m) outlet 410 140 20 50, 40, 30 60 70 80 90...
Page 41 - Model C50592, Therm–O–Flow Automatic Dispense Valve, Double Acting
310538 41 Parts TI0869 300, 50 Material Inlet Port 1/2 npt B 360 350 30 290 310 A B 1/4” npt female material outlet Cyl. air ports 1/8 npt 280 120 130 360 Ref. 1/4” npt(f) outlet 215 140 20 50, 40, 30 60 70 80 90 100,110 260 370 250 240 190 230 220 50, 200 125 10 180 Model C50592, Therm–O–Flow Autom...
Page 43 - Accessories; Use Only Genuine Graco Parts and Accessories
310538 43 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 HEATE...
Page 45 - Dimensions; Snuff–Back Style Shown
310538 45 Dimensions .5” 6.0” (152 mm) 4.5” (114 mm) 2.1” (53 mm) 2.82” (72 mm) 1.35” (34 mm) 1/8” npt Material InletPort 1/2” nptAll Models Material Outlet(See list on next page) 1.28” (33 mm) 1.75” (44.5 mm) 1.75” .875” .23” 1.343” .90” 1.80” 9/32(.281) Drill Thru Phenolic mounting block included ...
Page 47 - Technical Data
310538 47 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,C50592, 194485, 918483, 918512, and 918639) 150w @ 120 Vac, 96 ohms +/–10 240 Volt Heater (Models 243694, 2436...
