Graco 3A1320F User Manual

ti23074aThermoLazer 300TCThermoLazer ProMelt ti23073aThermoLazer 200/200TCti22634a- For professional application of thermoplastic traffic marking comp

Kettle Thermometer 10 3A1320FKettle ThermometerReplacementNOTE: The thermometer can only be replaced while the material inside the kettle is warm. If

Adjust Kettle Pilot Ignitor Electrode Gap3A1320F 11Adjust Kettle Pilot Ignitor Electrode Gap(ThermoLazer 300TC/ProMelt only)1. Loosen screw (231).2. R

Thermopile Replacement 12 3A1320FThermopile ReplacementRemoval1. Shut off gas valve on LP-tank and disconnect hose.2. Remove gas safety valve enclosur

Thermopile Replacement3A1320F 13Installation1. Replace thermopile (7).2. Install gas pilot mounting plate (319) to gas burner mounting plate (18). Con

Removal and Installation of Electrode 14 3A1320FRemoval and Installation of Electrode(ThermoLazer 300TC/ProMelt only)Removal1. Disconnect gas pilot li

Removal and Installation of Electrode3A1320F 153. Install gas pilot mounting plate (319) to gas burner mounting plate (18). Connect ground lead wire (

Pilot Burner 16 3A1320FPilot Burner(ThermoLazer 200TC/300TC/ProMelt)Removal1. Disconnect gas pilot line (49) at gas pilot coupling (171).2. ThermoLaze

Pilot Burner3A1320F 17Installation1. Install pilot burner tubing.2. Install pilot burner. 3. ThermoLazer 300TC/ProMelt only: Install elec-trode.4. Ins

Cleaning Kettle Main Burner Gas Lines 18 3A1320FCleaning Kettle Main Burner Gas Lines1. Disconnect gas tubing line (49) from gas tube fitting tee (165

Securing Bead Dispenser Wheel3A1320F 19Securing Bead Dispenser WheelTo properly dispense beads, drive wheel (27) must be in direct contact with tire (

System Chart 2 3A1320FSystem ChartSmartDie II used on ThermoLazer 300TC/ProMelt only.Requires 16” (40 cm) Conversion Bead System Kit for 300TC/ProMelt

Screed Box/Bead Dispenser Box Actuator 20 3A1320F3. Reconnect clevis to deployment bar and again rotate bead box wheel to see if adjustments cause The

Carbide Runner Replacement on Screed Box3A1320F 21Carbide Runner Replacement on Screed Box (1 on each side) 1. Remove screed box.2. Use allen wrench t

Kettle Gas Regulator Replacement 22 3A1320FKettle Gas Regulator ReplacementThermoLazer 200/200TCRemoval1. Close propane tank valve.2. Disconnect gas s

Kettle Gas Regulator Replacement3A1320F 23ThermoLazer 300TCRemoval1. Close manual gas shut-off valve on propane tank. 2. Disconnect gas supply hose fr

Kettle Gas Regulator Replacement 24 3A1320FThermoLazer ProMelt Removal1. Close manual gas shut-off valve on propane tank. 2. Disconnect gas supply hos

Torch and Screed Burners Gas Regulator Replacement (ThermoLazer 300TC/ProMelt)3A1320F 25Torch and Screed Burners Gas Regulator Replacement (ThermoLaze

Rear Screed Burner Assembly 26 3A1320FRear Screed Burner Assembly(ThermoLazer 300TC/ProMelt)Removal1. Close manual gas shut-off valve on propane tank.

Front Screed Burner Assembly3A1320F 27Front Screed Burner Assembly(ThermoLazer 300TC/ProMelt)Removal1. Close manual gas shut-off valve on the propane

Front Screed Burner Assembly 28 3A1320F3. Install gas manifold snap ring (75).4. Install front screed housing (20) to screed housing. Secure with fast

Screed Burner3A1320F 29Screed Burner(ThermoLazer 300TC/ProMelt)Vertical front screed burner (1)Removal1. Remove screed burner flame indicator (67).2.

System Chart3A1320F 3ContentsSystem Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Warnings . . . . . . . . . . . . . . . . . .

Screed Burner 30 3A1320FScreed BurnerHorizontal screed burner(s)Removal1. Remove screed burner flame indicator (67).2. Unscrew screed burner and orifi

Main Gas Filter (ThermoLazer 300TC/ProMelt)3A1320F 31Main Gas Filter(ThermoLazer 300TC/ProMelt)Removal1. Unscrew filter fitting (403) from tee (12).2.

Troubleshooting 32 3A1320FTroubleshootingProblem Cause SolutionKettle pilot burner does not ignite or does not remain ignitedLow or empty LP-gas tank

Troubleshooting3A1320F 33Kettle main burners do not ignite or are not burn-ing correctlyKettle gas safety valve knob not at correct posi-tionTurn knob

Troubleshooting 34 3A1320FScreed box burner does not ignite, does not remain ignited, or can not change heat outputEmpty LP-gas tank Replace with full

Troubleshooting3A1320F 35Beads not discharging or discharging unevenlyLow bead level in bead hopper Fill bead hopper.Bead dispenser doors closed Open

Troubleshooting 36 3A1320FApplying MaterialProblem Cause SolutionRagged line edges when extruding Dirty screed box CAREFULLY clean box. Discharge open

Troubleshooting3A1320F 37Swollen rounded line • Material temperature is too high • Lower material temperature.Material shadows on sides • Uneven road

Piping Diagram 38 3A1320FPiping DiagramThermoLazer 200ti23240

Piping Diagram3A1320F 39ThermoLazer 200TCt123241

Warnings 4 3A1320FWarningsThe following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point

Piping Diagram 40 3A1320FThermoLazer 300TC/ProMeltti24822a20 psi (1.38 bar) ThermoLazer 300TC and ThermoLazer ProMelt0.5 psi (.034 bar); ThermoLazer 3

Wiring Diagram3A1320F 41Wiring DiagramThermoLazer 200TCti24841aGas Safety ValveThermopileWhite WireThermopileRed WireWire HarnessWire HarnessThermosta

Wiring Diagram 42 3A1320FThermoLazer 300TCti17214aThermostatThermopileWire HarnessWire HarnessGas Safety ValvePulse IgniterIgniter ElectrodeThermopile

Wiring Diagram3A1320F 43ThermoLazer ProMelt ti17084aIgniter GroundGas Safety ValvePulse IgniterThermopileWhite WireThermopileRed WireWire HarnessWire

Technical Data 44 3A1320FTechnical DataThermoLazer 200/200TC ThermoLazer 300TCThermoLazerProMelt(24U280)(24U281)with Rear Heat (24H622)without Rear He

Notes3A1320F 45Notes

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th

Warnings3A1320F 5PERSONAL PROTECTIVE EQUIPMENTWear appropriate protective equipment when in the work area to help prevent serious injury, including ey

Kettle Gas Safety Valve, Kettle Temperature Control, and Kettle Thermopile Diagnosis 6 3A1320FKettle Gas Safety Valve, Kettle Temperature Control, and

Kettle Temperature Control3A1320F 7Kettle Temperature Control ReplacementWhen replacing temperature control, keep in mind that the temperature probe i

Kettle Temperature Control 8 3A1320FInstallation (ThermoLazer 200TC)1. Route tube through clips (1).2. Route wire inside bracket (2) on inner wall of

Kettle Temperature Control3A1320F 9CalibrationTo Check Kettle Temperature Control Calibration:1. Move unit to an area with no wind.2. Turn temperature