Graco 3A1320F User's Manual
Contents
1. 22 Ihermolazer300TC 23 ThermoLazer ProMelt 24 Torch and Screed Burners Gas Regulator Replacement ThermoLazer 300TC ProMelt 25 Rear Screed Burner Assembly 26 Front Screed Burner Assembly 27 ThermoLazer 300TC ProMelt 27 Screed Burner 4 DAN ER NNN SE A 29 ThermoLazer 300TC ProMelt 29 Screed Burner vehim idi meki see 30 Main Gas Filter ThermoLazer 300TC ProMelt 31 ScreedBurnerrFilter 31 Troubleshooting aaa 32 Piping Diagram aise teu e cd re NET MER omen 38 ThermoLazer 200 38 ThermoLazer 200TC 39 WiringDiagr am es 41 ThermoLazer 200TC 41 ThermoLazer 300TC 42 ThermoLazer ProMelt 43 Technical Data 44 Klek 45 Graco Standard Warranty 46 Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama Don point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual or on warning labels refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual whe2. ThermoLazer 300TC ProMelt shown 18 3A1320F Securing Bead Dispenser Wheel To properly dispense beads drive wheel 27 must be in direct contact with tire 89 If drive wheel 27 becomes loose and or starts to slip use allen wrench to tighten set screw 211 NOTE To ensure proper contact between drive wheel 27 and tire 81 make sure air pressure is always at 60 psi 4 14 bar t114564a Bead Dispense Tension Adjustment ThermoLazer 200TC only When screed box is down turn bolt knob clockwise to increase spring force Make sure bead dispense wheel engaged unit wheel Put screed box in STO position Make sure bead wheel does not contact unit wheel If it does turn knob to decrease spring force 3A1320F Securing Bead Dispenser Wheel Linkage Rod Adjustment ThermoLazer 300TC ProMelt only Adjustments can be made to linkage rods by removing clevis cotter hairpin 268 clevis pin from clevis 179 loosening nuts 128 and then turning clevis as required to lengthen or shorten rod connectors To ensure proper application of beads and thermoplastic make sure screed box linkage rod 182 measures 13 13 in 83 34 cm Be sure to measure where nut 128 meets clevis 179 when checking for proper linkage rod length 13 13 in 33 34 cm 181 182 S ti14565a Adjust the bead box linkage rod 181 so bead box drive wheel 27 is touching ThermoLazer tire 81 when s
3. 27 000 7 9 193 000 56 6 2 Screed box rear burners 3 20 N A 20 0 21 1 38 1 38 2 30 000 2 100 000 8 8 29 3 100 000 100 000 29 3 29 3 27 000 27 000 7 9 7 9 36 000 10 6 36 000 10 6 157 000 263 000 77 1 46 0 0 9 1 300 136 Thermoplastic traffic marking compound materials 90 40 Type Il glass bead 450 232 300 136 450 232 45 3 10 60 4 14 295 134 72 1 83 51 1 3 48 1 22 20 30 9 1 13 6 480 249 350 159 AA 1 5 V 3A1320F Notes 3A1320F Notes 45 Graco Standard Warranty Graco warrants all equipment referenced in this document which is 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 eguipment 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 maintenance negligence accident tampering or substitut
4. 5 Guide thermopile wire into gas safety valve enclo sure 28 ti14864a P 6 Replace wire strain relief fitting 357 on gas safety valve enclosure 28 y 28 Shown O ti14865a 7 7 Connect thermopile wires to gas safety valve 13 See Wiring Diagram and Parts manual 3A1321 for additional details 3A1320F e 300TC ProMelt Thermopile Replacement ti14866a 8 Replace cover 320 on gas safety valve enclosure 28 320 28 ti14867a 9 Replace gas safety enclosure back cover 29 ThermoLazer 300TC ProMelt Shown ti14881a 10 ThermoLazer 300Tc ProMelt Only Pull electrode wire through wire sleeving 11 ThermoLazer 300Tc ProMelt Only Connect elec trode lead to pulse fire igniter d ti14127a 13 Check for gas leaks at final assembly see Opera tion manual 13 Removal and Installation of Electrode Removal and Installation of Electrode ThermoLazer 300TC ProMelt only Removal 1 Disconnect gas pilot line 49 at gas pilot coupling 171 171 2 Disconnect electrode lead 217 from pulse fire igniter 126 Pull electrode out of wire sleeving 4 ThermoLazer 300TC ProMelt Only 3 Remove gas pilot mounting housing 319 from gas burner mounting plate 18 Disconnect ground lead wire 244 sp ec Pp Usa S gt Ea E d ti14857b 18 gt oe 319 Si E UE 2447 A
5. Install bead hopper 43 and use wrench to install and tighten four bolts 139 Connect hoses 189 to bead hopper 43 and use screw driver to tighten hose clamps 160 3A1320F Calibration To Check Kettle Temperature Control Calibration d 2 3 4 Move unit to an area with no wind Turn temperature control to 400 F 204 C Agitate material for 4 to 5 minutes After control has reached steady state temperature and burners do not cycle more than once per min ute insert remote calibrated temperature probe in material and directly adjacent kettle temperature control probe Compare temperature of remote calibrated tem perature probe to temperature setting on tempera ture control 3A1320F Kettle Temperature Control If the temperature control setting is lower than the remote calibrated temperature setting on tempera ture probe turn adjusting screw clockwise Every 1 4 in turn will change temperature 35 F 19 4 C ti14523a If the temperature control setting is higher than the remote calibrated temperature probe turn adjusting screw counterclockwise every 1 4 in turn will change temperature 35 F 19 4 C Recheck calibration by turning temperature control to 410 F 210 C and repeat steps 3 7 Kettle Thermometer Kettle Thermometer Replacement Calibration NOTE The thermometer can only be replaced while the l l material inside the kettle is warm If material inside the To Che
6. 29 Screed Burner 30 Screed Burner Horizontal screed burner s Removal 1 Remove screed burner flame indicator 67 ti17075b fold ti21950a Oy 363 4 Unscrew orifice fitting 60 from screed burner 2 Installation 1 Apply high temperature thread sealant to 3 8 16 threads of orifice 60 and screw into burner 2 NOTE The orifice end with the smallest hole should be screwed into the screed burner 60 d E 2 Apply pipe sealant to 1 8 in NPT thread of orifice fit ting 60 and screw on adapter fitting 363 N ti21950a ti17077b 2 3 Apply pipe sealant to 1 8 in NPT thread of adapter fitting 363 and screw into gas manifold 4 Install screed burner flame indicator 67 ti17075b 3A1320F Main Gas Filter ThermoLazer 300TC ProMelt Removal 1 Unscrew filter fitting 403 from tee 12 2 Unscrew fitting 407 from hose 99 Install 1 Apply pipe sealant to 1 4 in NPT of hose 99 and screw on filter fitting 407 2 Apply pipe sealant to 1 4 in NPT of filter fitting 403 and screw into tee 12 3 Check gas lines for leaks See Operation Manual A ti21960a 3A1320F Main Gas Filter ThermoLazer 300TC ProMelt Screed Burner Filter Removal 1 See Screed Burner Removal page 29 Install 1 See Screed Burner Install page 29 31 Troubleshooting Troubleshooting rop Cmm S Kettle pilot burner does
7. Low or empty LP gas tank Replace with full tank not ignite or d not Gas supply hose not connected to tank Connect gas supply hose di H te LP gas tank shut off valve closed Open LP gas tank shut off valve Manual gas shut off valve closed Open manual gas shut off valve manual gas shut Open manual gas shut off valve valve Gas lines leaking or disconnected Check for gas leaks Connect and tighten fit tings Kettle gas safety valve knob not in correct posi Turn knob to PILOT position and fully push tion in see Operation manual Not providing adequate time for thermopile to See Operation manual heat up Kettle pilot igniter has weak battery Replace part see Parts manual Kettle pilot electrode gap incorrect Adjust gap see page 11 Incorrect flame length and or gas pressure Adjust flame and pressure see Repair man ual Strong wind blowing flame out Move ThermoLazer out of strong winds Make sure burner view ports are closed Burner and or gas lines plugged Unplug holes and lines Isolate all y regu lators if clearing line with forced air see page 6 Kettle gas safety valve not functioning correctly Replace part if it fails diagnostic test see page 6 Thermopile not functioning correctly Heplace part if it fails diagnostic test see page 12 Kettle pilot electrode ground wire not correctly Clean connections and retighten Replace connected ground wire if damaged Kettle pil
8. with fasteners 146 5 Unscrew front screed housing fasteners 146 and remove front housing 20 gt a 2 3A1320F 2 Front Screed Burner Assembiy 3 Install gas manifold snap ring 75 4 Install front screed housing 20 to screed housing Secure with fasteners 146 ti17072a 28 6 Connect gas supply hose 99 to propane tank ti14127a 3A1320F Screed Burner ThermoLazer 300TC ProMelt Vertical front screed burner 1 Removal 1 Remove screed burner flame indicator 67 C ti21955a 2 Unscrew screed burner and orifice from gas mani fold ti21956a N 3 Unscrew adapter fitting 363 from orifice fitting 60 Hemove washer from orifice 119 m 60 SK Sy 119 363 ti21957a 4 Unscrew orifice fitting 60 from screed burner 2 ti21958a 3A1320F Screed Burner Installation 1 Apply high temperature thread sealant to 3 8 16 threads of orifice 60 and screw into burner 2 NOTE The orifice end with the smallest hole should be screwed into the screed burner gt ES il ti21958a 2 Apply pipe sealant to 1 8 in NPT thread of orifice fit ting 60 and screw on adapter fitting 363 Install washer on orifice 60 363 ti21957a 3 Apply pipe sealant to 1 8 in NPT thread of adapter fitting 363 and screw into gas manifold 4 Install screed burner flame indicator 67 ti21955a
9. 408 409 410 from elbow 401 6 Unscrew fitting 323 from fitting 64 and from gas regulator 10 St e w Zo 7 Unscrew gas regulator 10 from pipe elbow 64 Installation 1 Apply pipe sealant to fitting 64 and screw into adapter fitting 823 Turn connection until gas tight NOTE Make sure OUT connection of regulator is connected to adapter fitting 323 See FIG 3 2 Apply pipe sealant to pipe elbow 142 and screw into new gas regulator 10 Turn connection until gas tight ti24818a ti24818a FIG 3 24 Unscrew gauge 402 from tee 409 6 f 8 Place label 412 onto fitting 64 Add pipe sealant to adapter fitting 323 and screw into new gas regu lator Turn connection until gas tight NOTE Make sure IN connection of regulator is con nected to the pipe elbow 142 See Fic 3 Apply pipe sealant to gauge 402 Screw gauge 402 into tee 409 Turn connection until gas tight Connect gas tube 118 to fitting 151 Turn con nection until gas tight Connect gas supply hose to propane tank K t114411a Open manual gas shut off valve on propane tank es ti14127a Check gas lines for gas leaks see Operation manual Arrow Indicates Direction of Gas Flow 412 ti24819a 3A1320F Torch and Screed Burners Gas Regulator Replacement ThermoLazer 300TC ProMelt Torch and Screed Burners Gas Regulator Replacement ThermoLaze
10. VO punoly Jeu jeyub esind k 7 ejidouueu L V EE SIM SUM dar X N oj douuey A pud P RS Pa fa K 2 TTF SOMER SIM 9JIM Det N _ e douueu JOSU9S duue IH SSeuJeH AIM ane Ajayes sen ye SOWW9U ssoWeH AIM 3A1320F Technical Data Technical Data ThermoLazer ThermoLazer 200 200Tc ThermoLazer 300Tc ProMelt 24U280 with Rear without Rear 24H624 Heat Heat 24U281 24H622 24H625 Fuel Liquefied Petroleum Gas LP gas propane vapor Gas supply maximum pressure psi bar 250 17 24 0 5 0 5 3 0 034 0 034 0 21 20 20 20 1 38 1 38 1 38 20 20 20 1 38 1 38 1 38 Kettle burners 3 0 21 Torch 3 0 21 Screed box front burners 3 0 21 psi bar Operating Pressure Kettle burners sum of burners 1 30 000 8 8 Torch 10 000 2 93 Screed box front burner sum of 3 burners 27 000 7 9 Screed box rear burner Sum of 4 burners 36 000 10 6 O E i DS lo ES Eo x eo Total 103 000 30 2 Gas 20 SE 9 1 too 9 amp x Main kettle 200 DS a 20 91 Bead hopper 40 18 Maximum operating temperature F C 450 232 Front tire pressure psi bar N A Rear tire pressure psi bar N A Weight Ib kg 260 z 118 9 Length in m 44 1 12 e Height in m 39 1 00 Width in m 33 0 84 BERN Igniter battery N A 2 30 000 8 8 100 000 29 3
11. be free of debris 34 3A1320F or close Troubleshooting Proen OO Ge Sage O Beads not discharging or Low bead level in bead hopper Fill bead hopper discharging unevenly Bead dispenser doors closed Open doors as required to obtain desired flow pattern width Bead dispenser drive wheel not engaged Secure bead dispenser wheel see page 19 Bead dispenser drive wheel slipping Tighten Check air pressure see page 19 Debris in discharge opening of bead dispenser Debris on ThermoLazer tire or bead dispenser wheel Moisture in beads Remove wet beads Dry hopper bead hoses and bead dispenser Fill hopper with dry beads Beads not discharging at Bead dispenser flow rate lever not correctly set Rotate flow rate lever to correct position required flow rate Bead dispenser drive wheel slipping Tighten wheel and check tire pressure see page 19 Bead dispenser doors not fully open Open door fully Moisture in beads Remove wet beads Dry hopper bead hoses and bead dispenser Fill hopper with dry beads Moisture on road surface Allow road surface moisture to dry Rough road surface Smooth road surface Bead Dispenser low on material Add material to bead hopper Hard pushing when Screed box not adjusted correctly See Operation manual screed box is on ground 3A1320F 35 Troubleshooting Applying Material Solution CAREFULLY clean box Discharge opening and screed box plate run Problem Cause
12. capillary tubing with high temperature mortar at kettle outlet 12 Pull probe 162 through nut and clamp openings 13 Use flat screwdriver or a small chisel to chip away mortar on inside and outside of kettle until probe freely passes through 14 Pull probe 162 completely out of kettle 14 and remove from temperature control enclosure 205 ThermoLazer 200TC ti14557a Removal 1 Empty kettle and clean all material out Make sure stud 318 nut 124 clip 41 and probe 162 are completely free of material ti22652a 2 Use screwdriver to loosen hose clamps 160 and disconnect hoses 189 from bead hopper 43 3 Use wrench to remove four bolts 139 and remove ThermoLazer 300Tc 24H622 24H625 bead hopper 43 E oJ s gt ti17067a 4 Pull temperature capillary tube 162 and grommet 350 free of heat shield 270 5 Remove temperature control knob AA by hand 124 318 ThermoLazer ProMelt ti14124a 24H624 p KKI ti17066a 6 Remove temperature control plastic 4 way insert N from shaft Insert behind knob AA M K 7 Use screwdriver to remove two screws on tempera ture control slip fit overlay ring BB Overlay ring BB is attached to temperature control enclosure 205 15 3A1320F 7 Kettle Temperature Control Installation ThermoLazer 200TC 1 2 Route tube through clips 1 Route wire inside bracket 2 on
13. shear bar Replace screed box trough ti14517a stop Allow surface temperature to Surface temperature too cold increase 3A1320F 37 Piping Diagram Piping Diagram ThermoLazer 200 ti23240 38 3A1320F Piping Diagram ThermoLazer 200Tc 1 mam ICH mam fi z a mm s m m7 m 8 um E J 3A1320F Piping Diagram ThermoLazer 300Tc ProMelt ti24822a D bp gt O p an p D N e 1 O Ben o c Rk S K ra z O O LO O CN O O oL eN N o EN bi o D eS e a p SE cO J Li o a EB O N we am m em m e 0 5 psi 034 bar ThermoLazer 300TC 3 psi 0 21 bar ThermoLazer ProMelt 40 3A1320F Wiring Diagram iagram D iring W ThermoLazer 200Tc 41 pet eT VN e idouuosu e idouueu OM peu e idouuosu SSOUJeH all ane Ajayes seg SSeuJeH M ye SOWJOY 3A1320F Wiring Diagram ThermoLazer 300Tc 3A1320F pl SS SS E opoJ4199 3 49NU D s 7 m f N SSOUJEH SIM JeyuD esing Es d eidouueu e g X N SIM peu ps ol douuoy 1 Ne ae 4 7 ane Ajayes sey gt 0 A E N ssoWeH M 1e1Souuay 42 Wiring Diagram ThermoLazer ProMelt 43 ey80Z L1 p n er opoJ199 3 Jeu
14. tank Disconnect gas tube 118 from fitting 410 Unscrew pipe subassembly 408 409 410 415 from elbow 401 5 Unscrew gas regulator 10 from pipe elbow 142 6 Unscrew gas regulator 10 from fitting 64 Installation 1 Apply pipe sealant to fitting 64 and screw into new gas regulator 10 Turn connection until gas tight NOTE Make sure OUT connection of regulator is connected to the fitting 64 See FIG 2 ti22015a FiG 2 3A1320F Kettle Gas Regulator Replacement Apply pipe sealant to pipe elbow 142 and screw into new gas regulator 10 Turn connection until gas tight NOTE Make sure IN connection of regulator is con nected to the pipe elbow 142 See FIG 2 Apply pipe sealant to fitting 408 and screw into elbow 401 Connect gas tube 118 to fitting 410 Turn con nection until gas tight Connect gas supply hose to propane tank SS l ZS a e fi ti14411a e Se e Open manual gas shut off valve on propane tank a d Ge j ti14127a Check gas lines for gas leaks see Operation manual Arrow Indicates Direction of Gas Flow ti22066a 23 Kettle Gas Regulator Replacement ThermoLazer ProMelt Removal 3 1 Close manual gas shut off valve on propane tank MY ti14128a Disconnect gas supply hose from propane tank Disconnect gas tube 118 at fitting 410 Unscrew pipe subassembly
15. 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 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 1 800 690 2894 to identify the nearest distributor 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 3A1320 Graco Headquarters Minnea
16. 12 in 30 cm 16Y338 3 3 3 in 8 8 8 cm 16Y352 4 3 4 in 10 8 10 cm 4 2 4 in 10 5 10 cm 16Y363 4 4 4 in 10 10 10 cm FlexDie Description 2 3A1320F Contents system Chart 24 misikmesiirine d b ne 2 Warnings eeh ee e 4 Kettle Gas Safety Valve Kettle Temperature Control and Kettle Thermopile Diagnosis 6 Kettle Temperature Control 7 Replacement 7 a a O cada ate eo Maa deed e RE CON DN 9 Kettle Thermometer 10 Selen sat is mc patiar o ete ie 10 Calibration uz am e e os EC uda 10 Adjust Kettle Pilot Ignitor Electrode Gap 11 Kettle Over Temperature Switch Replacement ProMelt only 11 Thermopile Replacement 12 Removal and Installation of Electrode 14 Pilot BUITIGI prireiks EE er REP en eee CA PES 16 ThermoLazer 200TC 300TC ProMelt 16 Cleaning Kettle Main Burner Gas Lines 18 Cleaning Kettle Pilot Burner Gas Lines 18 Securing Bead Dispenser Wheel 19 Bead Dispense Tension Adjustment 19 Linkage Rod Adjustment 19 Screed Box Bead Dispenser Box Actuator 20 Screed Box Pivot Arm Loading 20 ThermoLazer 300TC ProMelt only 20 Carbide Runner Replacement on Screed Box 21 Dei e Ee 21 3A1320F System Chart Kettle Gas Regulator Replacement 22 ThermoLazer 200 200TC
17. 4 ti14858b 14 9s Remove electrode H ti121953a amp T ThermoLazer 300TC ProMelt Only lech Installation 1 2 Replace electrode See Operation Manual for cor rect spacing between electrode and pilot burner ti21954a Replace thermopile 7 3A1320F Removal and Installation of Electrode 3 Install gas pilot mounting plate 319 to gas burner 6 Connect electrode lead to pulse fire igniter mounting plate 18 Connect ground lead wire 244 gt it use ThermoLazer 300TC ProMelt Uo kb Shown S4 31 m 244 T E 4863b rhet azar 300TC ProMelt Only 4 Connect gas pilot line 49 at gas pilot couplin 171 SES SSES i 7 Reconnecthose and turn LP gas tank valve ON 171 i14861b ti14127a 5 Pull electrode wire through wire sleeving 5 Check for gas leaks at final assembly see Opera tion manual 3A1320F 15 Pilot Burner Pilot Burner ThermoLazer 200TC 300TC ProMelt Removal 5 ThermoLazer 300TC ProMelt only Remove elec trode 1 Disconnect gas pilot line 49 at gas pilot coupling 171 171 2 ThermoLazer 300Tc ProMelt only Disconnect electrode lead 217 from pulse fire igniter 126 Pull electrode out of wire sleeving en M VN ti22062a ThermoLazer 300TC ProMelt Only 3 Remove gas pilot mounting housing 319 from gas 7 Remove pilot burner tu
18. 4 to stud securing probe Secure probe to angle clip welded to kettle with clip 41 Use needle nose pliers to secure probe inside clip 41 Torque nut 124 to 7 15 in Ib 079 1 69 Nem NOTE Make sure probe cannot come into contact with material agitator once installed Apply high temperature mortar to inside and outside of kettle opening contact points after the probe is installed and locked into position by the nut and clamps ThermoLazer Route wires 242 243 through han dle bar mounting plate 122 Use screwdriver to connect and tighten wires 242 243 to temperature control 162 ProMelt Route wires 243 360 through handle bar mounting plate 122 Use screwdriver to connect and tighten wires 243 360 to temperature control 122 Install temperature control 162 to temperature control enclosure 205 with two screws supplied with temperature control Install overlay ring BB parallel with temperature probe sg Route wires and probe capillary tubing so they will not be pinched when installing temperature control enclosure 205 to ThermoLazer handle bar mount ing plate 122 NOTE For best results keep probe capillary tubing in spiral coil Install temperature control enclosure 205 to Ther moLazer handle bar mounting plate 122 with four screws 221 Install plastic 4 way insert on temperature control shaft Install temperature control knob AA on tempera ture control shaft
19. Dirty screed box Ragged line edges when extruding ners need to be free of debris no Correct line application will produce a full straight line with sharp edges correct color thickness and width a firm bond to the surface and have uniform reflectivity ti14507a Insufficient adhesion material bulges at beginning of line Material temperature too low Raise material temperature le ThermoLazer speed too fast Decrease speed of ThermoLazer e Debris on road Clear debris from road e Surface temperature too cold Wait for temperature of surface ti14508a to raise Debris on surface Clear debris from surface Hough and bumpy line e TEE UE Crust from overheated material Lower material temperature Debris caught in screed box Clean debris from screed box O AVAM le a S Material not covering road high Adjust screed box line thickness spot Moisture or solvent on surface Remove solvent from surface ie Material is overheated Lower temperature of material O S O O m o ti14510a Ragged edges and gaps in line e Material temperature is too low Raise material temperature BEE SEH e ThermoLazer speed is too fast Wait for change in ambient condi _ tions to remove moisture ae gre E Reduce ThermoLazer speed ti14511a 36 3A1320F Troubleshooting mom Omm So Swollen rounded line e
20. Material temperature is too high Lower material temperature E EMEN n ti14512a Material shadows on sides e Uneven road surface Apply to even road surfaces e Screed box is not evenly riding on Remove debris from screed box substrate lever rod Inspect replace damaged screed E mde en t em box lever rod lever arm ti14513a Line is wavy e Strong road surface camber Apply so camber does not influ ence application e Incorrect ThermoLazer operation Use correct application methods for example try locking swivel wheel ti14514a Cracks in line e Cracks in road surface Repair cracks e Temperature stress from Lower temperature in material overheating A e Material applied too cold Increase material temperature ti14515a e Material applied too thin Slow ThermoLazer speed to apply thicker material Rough edges and lines in surface Material temperature is too low Raise material temperature ke e MMC MN I RICE Material is overheated or scorched Lower material temperature JN DM S II CE Mq Moisture in road surface Wait until road surface is dry ti14516a Jagged line ends material drips Screed box does not fully close Clean screed box between lines l l l Debris caught in screed box Clear debris from screed box m Worn screed box shear bar Replace screed box gate gt Worn screed box trough
21. Repair G GRACO ThermoLazer 200 200Tc 300Tc and ThermoLazer ProMelt Pavement Marking Systems 3A1320F EN For professional application of thermoplastic traffic marking compound materials reflective beads applied simultaneously with screeding For outdoor use only not to be operated in rain or damp conditions Fuel LP Gas Propane Vapor ThermoLazer 200 200Tc Burner capacities See Technical Data page 44 Material capacity max 200 300 Ib 91 136 kg IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual Save these instructions Related Manuals Operation 3A1319 Parts 3A1321 Double Bead 3A0004 SmartDie Il 3A1738 ti22634a FlexDie 3A1738 ThermoLazer ProMelt ti23073a ti23074a CE PROVEN OUALITY LEADING TECHNOLOGY System Chart System Chart SmartDie Il used on ThermoLazer 300TC ProMelt only Smart Die Il Smart Die Description Part No 2 in 5 cm 3 in 8 cm 4 in 10 cm 15 cm 9 in 22 5 cm Requires 16 40 cm Conversion Bead System Kit for 300TC ProMelt Only t 17B190 Kit accy 16 40 cm Single Drop Bead System t 17B189 Kit accy 16 40 cm Double Drop Bead Box requires 17B190 to be installed FlexDie used on ThermoLazer 200 200TC only FlexDie Part No 16Y661 2 In 5 cm Sin 8 cm 5 in 12 cm 6 in 15 cm 7 in 18 cm 8 in 20 cm 16Y665 9 in 22 5 cm 16Y332 10 in 25 cm 16Y207
22. azer out of cool windy condi tions Discharge material and check ther mometer Thermometer calibrated incorrectly Calibrate thermometer see page 10 Kettle temperature control calibrated incorrectly See Repair manual and replace part if it can not be calibrated see Parts manual Thermometer not functioning correctly Replace part see Parts manual Kettle temperature control not functioning cor Replace part see Parts manual rectly Kettle gas safety valve not functioning correctly Replace part if it fails diagnostic test see page 6 Incorrect flame length and or gas pressure Adjust flame and pressure see page 18 3A1320F 33 Troubleshooting Pmbem Cms Sion Screed box burner does Empty LP gas tank Replace with full tank not ignite does not LP gas tank shut off valve closed Open LP gas tank shut off valve not change heat output H g el l Gas lines leaking or disconnected Check for gas leaks Connect and tighten fit tings Burner regulator flow flame adjusting valve not Replace part see Parts manual functioning correctly Gas lines leaking or disconnected Check for gas leaks Connect and tighten fit tings Torch assembly not functioning correctly Replace part see Parts manual Agitator crank handle is Material is cold Allow time for material to reach operating hard to move temperature Replace bushings see Parts manual Linkage ball rod ends need lubrication Add grease Foreign
23. be no gap between the shear bar and support bar when applying pressure ti17068a 4 Use allen wrench to replace and tighten pivot bolt 511 on yoke 502 ti16843a t116846a Ka J ThermoLazer 300TC ProMelt shown 21 Kettle Gas Regulator Replacement 22 Kettle Gas Regulator Replacement ThermoLazer 200 200TC Removal 1 Close propane tank valve ti14128a 2 Disconnect gas supply hose a from propane tank 3 Disconnect lines to front b and rear c screed torches and main kettle burner d 4 Remove bolts 415 holding manifold to unit 5 Unscrew fittings 410 and regulator 10 FiG 1 Installation 1 Apply pipe sealant and install regulator 10 so flow arrows point at the manifold 2 Install fittings 415 3 Install manifold e in unit and tighten bolts 415 4 Connect lines to front b and rear d screed torches and main kettle burner c 5 Connect gas supply hose to propane tank a 6 Open propane tank valve ti14127a 7 Check for leaks 8 Verify gauge PSI Gauge should read 3 PSI 1 If higher than 4 PSI slightly open torch valve and recheck oa d ti23236a NS 3A1320F ThermoLazer 300Tc Removal 1 Close manual gas shut off valve on propane tank 5 ST N J M ll 7 J ti14128a Disconnect gas supply hose from propane
24. bing burner mounting plate 18 M ThermoLazer 300TC ProMelt only Disconnect ground lead wire 244 gt p m e K D r ti14857b Dess 319 ti122061a ti14858b 16 3A1320F Installation ti122061a 2 Install pilot burner trode ThermoLazer 300TC ProMelt only ti4862b 3A1320F Pilot Burner Install gas pilot mounting plate 319 to gas burner mounting plate 18 ThermoLazer 300TC ProMelt only Connect ground lead wire 244 31 244 T a H ti14863b Connect gas pilot line 49 at gas pilot coupling 171 171 ti14856b ThermoLazer 300Tc ProMelt only Pull electrode wire through wire sleeving ThermoLazer 300TC ProMelt only Connect elec trode lead to pulse fire igniter ti14127a 10 Check for gas leaks at final assembly see Opera tion manual 17 Cleaning Kettle Main Burner Gas Lines Cleaning Kettle Main Cleaning Kettle Pilot Burner Gas Lines Burner Gas Lines 1 Disconnect gas tubing line 49 from gas tube fitting 1 Disconnect gas tubing line 186 from gas tubing tee 165 line 118 2 Insert rubber hose over gas tubing tee 165 and 2 Insert rubber hose over gas tubing 118 and force force air into tubing at 30 psi 2 1 bar air into gas tubing line 118 at 30 psi 2 1 bar 3 Reconnect gas tubing line 49 to gas tube fitting tee 3 Reconnect gas tubing line 186 to gas tubing tee 165 118
25. ck Kettle Thermometer Calibration kettle is cold it will adhere to the probe and cause it to 1 Move ThermoLazer to an area with no wind separate from the thermometer once it is unscrewed 2 Turn temperature control to 400 F 204 C 1 Empty material from kettle until material level is just below the thermometer probe 162 approximately 3 Agitate material for 4 to 5 minutes 1 inch of material 4 After control has reached steady state temperature 2 Unscrew thermometer 38 from kettle coupling and burners do not cycle more than once per min NOTE Look inside the kettle to make sure the ute insert remote calibrated temperature probe in probe is rotating at the same rate as the thermome material and directly adjacent kettle temperature ter as you unscrew it If the probe is sticking use the control probe hand torch to heat the probe and material so that the probe can rotate freely 5 Compare temperature of remote calibrated tem perature probe to thermometer Installation 6 If kettle thermometer is lower than the remote cali brated temperature probe turn adjusting screw counterclockwise 2 Install new thermometer into kettle coupling and Adjusting Screw tighten NOTE Make sure the face of the thermom eter is position toward the front of the unit for opti mal viewing an approximately 15 degree angle 1 Apply pipe sealant to thermometer 38 threads ti14525b 7 If the kettle thermometer is higher than
26. creed box is in down but not open position A slight downward force on the bead box rod 181 should be required when inserting the clevis pin through the clevis 179 and deployment bar 78 1 With screed box in down but not open position rotate the bead box wheel by hand ti14882a 81 27 2 If the wheel does not cause the ThermoLazer tire to rotate both forward and backwards loosen nuts 128 remove clevis cotter hair pin 268 remove clevis pin from clevis 179 and rotate the clevis 179 one turn counterclockwise 19 Screed Box Bead Dispenser Box Actuator ti14883a 3 Reconnect clevis to deployment bar and again rotate bead box wheel to see if adjustments cause ThermoLazer to move forward and backwards 4 Continue to rotate clevis 1 2 turn counterclockwise until rotating bead box wheel causes ThermoLazer to move forward and backwards 5 Lock nut 128 to clevis when final adjustment has been made NOTE Linkage rod 182 If converting from SmartDie to SmartDie Il use Die Link Kit 24J714 Screed Box Bead Dispenser Box Actuator ThermoLazer 300TC ProMelt only If the screed box bead dispenser box actuator does not remain in the down and locked position adjust the 3 4 16 lock nut by turning clockwise 1 4 to 1 2 turn or until the actuator does not freely rotate 20 Screed Box Pivot Arm Loading ThermoLazer 300TC ProMelt only Preload screed box piv
27. inner wall of kettle Zaim 7 gt il ti23234a Install temperature control 162 to temperature control enclosure 205 with two screws supplied with temperature control Install overlay ring BB parallel with temperature probe Route wires and probe capillary tubing so they will not be pinched when installing temperature control enclosure 205 to ThermoLazer handle bar mount ing plate 122 NOTE For best results keep probe capillary tubing in spiral coil Install in bracket then attach bracket to kettle Install plastic 4 way insert on temperature control shaft Install temperature control knob AA on tempera ture control shaft Installation ThermoLazer 300TC ProMelt T 2 Route new probe 162 through grommet 350 Route probe a Between tube lock 71 and bracket handle mount and tube 19 b Through slotted hole in heat shield 270 Insert grommet 350 in heat shield hole c Through kettle 14 probe opening ThermoLazer Route probe through stud 318 Insert stud through screen 150 and tighten stud 318 to screen 150 with nut 124 Secure probe 10 11 162 to screen 150 with three clips 41 Use nee dle nose pliers to secure probe inside clips 41 Torque stud 318 to 7 15 in Ib 079 1 69 Nem ProMelt Route probe 162 through Z clips 2 welded to kettle 14 Route probe through stud welded to kettle Tighten nut 12
28. ion 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 consequential loss shall be available Any action for breach of
29. k for gas leaks Incorrect flame length and or gas pressure Adjust flame and pressure see page 18 Kettle gas safety valve knob not at correct posi Replace part see Parts manual tion Kettle main burners do Kettle temperature control dial is not turned toa Turn kettle temperature control dial to a set not shut off setting lower than material temperature ting 25 F 13 9 C minimum lower than material temperature Kettle temperature control not functioning cor Replace part see Parts manual rectly Kettle gas safety valve not functioning correctly Replace part if it fails diagnostic testing see page 6 Kettle main burner does Kettle temperature control dial is not turned toa Turn kettle temperature control dial to a set setting higher than material temperature not turn on ting 25 F 13 9 C minimum higher than material temperature Kettle temperature control not functioning cor Replace part see Parts manual rectly Kettle gas safety valve not functioning correctly Replace part if it fails diagnostic test see page 6 Over temperature safety switch not functioning Replace part see Parts manual correctly Thermometer not match Material has not reached temperature control set Allow time for material to reach operating ing material temperature point temperature in kettle Material not fully agitated Agitate material Cool or windy ambient conditions Move ThermoL
30. mV reading lt 80 mV replace temperature control Gas safety 1 and 2 Open Greater than If mV reading lt 325 mV valve magnet 325mV Clean and tighten all electrical connections and i i e Adjust pilot burner to increase millivolt output see thermopile page 18 If the preceding fails to give mV reading 325 mV replace thermopile Check valve magnet after obtaining correct mV output for thermopile e Ignite pilot burner only and allow the mV reading to stabilize e Shut pilot burner turn gas safety valve knob OFF Note the mV reading where magnet drops out If magnet unlocks at mV reading 120 mV the magnet is OK NOTE When magnet unlocks a click can be heard and mV reading may fluctuate slightly 6 3A1320F Kettle Temperature Control Kettle Temperature Control Replacement 8 Use screwdriver to remove four screws 221 and remove temperature control enclosure 205 from handle bar mounting plate 122 9 Use screwdriver to disconnect wires 242 and 243 for ThermoLazer 243 and 360 for ThermoLazer ProMelt When replacing temperature control keep in mind that the temperature probe is an integral part of the assem 10 bly Do not make any sharp bends in the capillary tub ing Bends should be 0 25 in 0 64 cm in radius or greater 11 Use needle nosed pliers to remove clip 41 from probe 162 Use wrench and extension to remove nut 124 from temperature probe 162 Be sure to seal
31. material lodged between agitator and Hemove material in kettle and CAREFULLY kettle dislodge and remove foreign material ControlFlow gate valve Cold material temperature Heat material to operating temperature difficult to open Make sure thermometer is free to move Gate sticking in guides Check for excess material in guides Apply heat as required and remove excess mate rial Add grease to lubricate guides ControlFlow gate valve Gate not completely closed Close gate completely leaking Foreign material lodged in gate opening CAREFULLY dislodge and remove foreign material Screed box leaking Foreign material in screed box discharge open CAREFULLY dislodge and remove foreign ing material Dirty screed box CAREFULLY clean box All moving parts need to be free of debris Incorrect deployment rod linkage length Adjust length see page 19 Incorrectly adjusted screed box bead dispenser Adjust lever see page 19 box actuator Worn screed box shear bar Replace gate see Parts manual Worn screed box shear bar stop Replace trough see Parts manual Excessive material Screed box not adjusted to ground See Operation manual buildup when starting Screed box open when ThermoLazer is Synchronize ThermoLazer and screed box and stopping extruding stationary motion Foreign material in screed box discharge open CAREFULLY dislodge and remove foreign ing material Dirty screed box CAREFULLY clean box All moving parts need to
32. ot arm to ensure gate closes fully before lifting screed box off the ground If screed box leaks when closing and lifting increase loading 1 Unhook bottom of box pivot arm spring 199 J Se el wullt pm QUAM es re GE We imi e p M ti14628b Move bottom of box pivot arm spring to desired hole and reconnect Moving the spring in will decrease loading while moving the spring out will increase loading ti14629b 3A1320F Carbide Runner Replacement on Screed Box Carbide Runner Replacement on Screed Box 1 on each side NOTICE Installation Carbide runners need to be replaced one side at a 1 Apply grease to groove where carbide runner sits time If both runners are removed adjustment will be lost and screed box will need to be reassembled by a Graco approved technician 1 Remove screed box ti16839a ThermoLazer 300TC ProMelt shown 2 Use allen wrench to loosen and remove upper pivot bolt 511 to free yoke 502 ti16843a 3 Turn unit upside down and use an allen wrench to remove four screws 513 and plate die runner 504 3A1320F Y t116845a 2 Replaceplate die runner 504 with new plate die runner See Parts manual 3A1321 While applying pressure to shear bar 506 directly over support bar 509 use allen wrench to replace and tighten four screws 513 There should
33. ot electrode lead wire has a short Replace part see Parts manual Kettle pilot igniter not functioning correctly Replace part see Parts manual Kettle burner regulator not functioning correctly Replace part see Parts manual Kettle burners shut off Material level is low Add material to kettle Once material level is before material is melted up to thermometer this condition will be cor rected ProMelt Only Over temperature safety switch not functioning Replace part see Parts manual correctly 32 3A1320F Troubleshooting Pmbem pe Son Kettle main burners do main burners do Kettle gas Kettle gas safety valve knob not at correct posi valve knob not at correct posi Turn knob to Turn knob to ON position see Operation position see Operation not ignite or are not burn tion manual ing correctly Kettle temperature control dial set at a lower Turn kettle temperature control dial to tem perature 25 F 13 9 C higher than material temperature than material temperature temperature Kettle gas safety valve not functioning correctly See Repair manual and replace part if it fails diagnostic testing Burner and or gas lines plugged Unplug holes and lines Isolate all gas regu lators if clearing line with forced air see page 18 Kettle temperature control not functioning cor Replace part see Parts manual rectly Gas lines have been disconnected Connect and tighten hose fittings Chec
34. polis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES e P O BOX 1441 e MINNEAPOLIS MN 55440 1441 e USA Copyright 2011 Graco Inc All Graco manufacturing locations are registered to ISO 9001 WWW graco com Revised F October 2014
35. r 300TC ProMelt Removal 3 Apply pipe sealant to upstream pipe elbow 142 and screw gas regulator 152 which is now con 1 Close manual gas shut off valve on propane tank nected to fitting 323 Turn connection until gas tight pm NOTE Make sure IN connection of regulator is con nected to the upstream pipe elbow 142 See 7 4 Connect gas line at downstream tube elbows 161 Turn connection until gas tight ti14128a 5 Connect gas supply hose to propane tank 2 Disconnect gas supply hose from propane tank 3 Disconnect gas line at downstream tube elbows 161 4 Unscrew gas regulator pipe train from upstream pipe elbow 142 5 Unscrew gas regulator 152 from fitting 323 6 Unscrew and remove gas regulator 152 from upstream pipe elbow 142 Installation 1 Apply pipe sealant to downstream pipe tee 12 Screw pipe tee 12 with elbow 161 to fitting 323 Turn connection until gas tight ti14127a 2 Apply pipe sealant to fitting 323 and screw into gas regulator 152 Turn connection until gas tight 7 Check gas lines for gas leaks see Operation man ual NOTE Make sure OUT connection of regulator is connected to fitting 323 See 7 Arrow Indicates Direction of Gas X od re ti24820a ti24821a 3A 1320F 25 Rear Screed Burner Assembiy Rear Screed Burner Assembly ThermoLazer 300TC ProMelt Removal 1 Close manual gas
36. r for information Do not fill material beyond maximum capacity Route gas lines hoses wires and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or overbend gas lines Do not override or defeat safety devices Do not operate the unit when fatigued or under the influence of drugs or alcohol of BURN HAZARD A lif Equipment surfaces and fluid that is heated can become very hot during operation To avoid severe burns e Do not touch hot fluid or equipment CARBON MONOXIDE HAZARD Exhaust contains poisonous carbon monoxide which is colorless and odorless Breathing carbon monoxide can cause death Do not operate in an enclosed area TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swal lowed e Head MSDS to know the specific hazards of the materials you are using FIRE AND EXPLOSION HAZARD CL 4 3A1320F 3A1320F Warnings PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hearing loss inhalation of toxic fumes and burns This protective equipment includes but is not limited to Clothing and respirator as recommended by the fluid material and solvent manufacturer e Gloves shoes overalls face shield hat etc rated for elevated temperatures of at least 500 F 260 C CALIFORNIA PROPOSITION 65 Exhaus
37. re applicable Flammable fumes and liquids such as propane gas gasoline and combustible fuel in work area can ignite or explode To help prevent fire and explosion e Do not use equipment unless fully trained and qualified e Do not allow open containers of flammables within 25 ft 7 6 m of equipment Do not operate equip ment within 10 ft 3 m of any structure combustible material or other gas cylinders e Shut off all burners when adding fuel to equipment Close the tank shut off valve immediately if you smell propane gas extinguish all open flames If gas odor continues keep away from equipment and immediately call the fire department Follow lighting instructions for the burner and torch Do not heat thermoplastic traffic marking compound material above its maximum temperature rating Fire extinguisher equipment shall be present and working Keep work area free of debris including solvent rags and gasoline EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not leave equipment unattended Keep children and animals away from work area Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Technical Data in all equipment manuals Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your Graco distributo
38. shut off valve on propane tank ti14128a 2 Disconnect gas supply hose 99 from propane tank 3 Disconnect gas tube 373 at valve fitting 151 See FiG 4 4 Remove burner gas train mounting bracket fasten ers 104 109 Unscrew six screws 115 See FiG 4 5 Remove burner assembly 6 Remove snap rings 75 from gas manifold See FiG 4 FIG 4 26 Installation 1 5 Install burner manifold in mounting bracket 104 109 Secure with snap rings 75 See Fia 4 Install burner assembly with mounting bracket to bead dispenser Connect burner hose 98 to valve fitting 151 Connect gas supply hose 99 to propane tank ti14127a ti22658a 3A1320F Front Screed Burner Assembly Front Screed Burner Assembly ThermoLazer 300TC ProMelt Removal 6 Remove screed burners 1 Close manual gas shut off valve on the propane tank N J ti14128a 2 Disconnect gas supply hose from propane tank GO A 4 ti17074b 3 Remove screed box from screed housing see operation manta 8 Unscrew gas manifold less burners mounting bracket fasteners 146 and remove burner assem o ing at 45 elbow 32 4 Disconnect ea at 45 elbow 32 bly less burners from front screed housing 20 Installation 1 Install gas manifold less screed burners in bracket support manifold 52 and screw gas manifold mounting bracket to front screed housing 20
39. t from this product contains a chemical known to the State of California to cause cancer birth defects or other reproductive harm This product contains a chemical known to the State of California to cause cancer birth defects or other reproductive harm Wash hands after handling Kettle Gas Safety Valve Kettle Temperature Control and Kettle Thermopile Diagnosis Kettle Gas Safety Valve Terminal Connections Kettle Temperature Control and Kettle Thermopile Diagnosis The gas safety valve temperature control and thermo pile can be checked by using a millivolt meter Before checking make certain all electrical connections are clean and tight Connect millivolt meter to appropriate terminals see Terminal Connections ti14524c Status of Temperature Desired Part s to Be Terminal Control Meter Connections Contacts Reading Diagnosis Gas safety 2 and 3 Closed Greater than If mV reading gt 100 mV and the automatic valve main 100 mV burners does not come on replace the gas safety valve If mV reading 100mV proceed with diagnostic steps 2 and 3 Temperature 1 and 2 Closed Less than If reading gt 80 mV control 80 mV Clean and tighten electrical connections at tempera ture control and gas safety valve Check valve to make sure wires are in good condi tion Replace as required Rapidly change temperature setting on temperature control to see if cycling cleans the contacts If the preceding fails to give
40. the remote calibrated temperature probe turn adjusting screw clockwise 10 3A1320F Adjust Kettle Pilot Ignitor Electrode Gap ThermoLazer 300TC ProMelt only 1 Loosen screw 231 2 Rotate ignitor electrode 7 until gap of 0 17 to 0 20 in 0 43 to 0 51 cm is achieved 3 Retighten screw 231 0 17 0 20 in ti14519b 3A1320F Adjust Kettle Pilot Ignitor Electrode Gap Kettle Over Temperature Switch Replacement ProMelt only Removal 1 Unscrew switch fitting from kettle NOTE To keep wire sleeve from twisting counter rotate sleeve when turning switch fitting 2 Disconnect wire leads from switch terminals L 2 A A gt e 3 Unscrew switch and remove ti17078b Installation 1 Apply anti seize LPS 04110 or equal to switch 339 2 Install switch and torque to 120 140 in Ib 13 6 15 8 Nem 3 Apply anti seize LPS 04110 or equal to switch fittings 343 4 Connect wire leads 859 and 360 to switch 5 Install switch fitting and torque to 180 200 in Ib 20 3 22 6 Nem NOTE To keep wire sleeve from twisting counter rotate sleeve when turning switch fitting 17 Thermopile Replacement Thermopile Replacement Removal 1 Shut off gas valve on LP tank and disconnect hose ti14128a 2 Remove gas safety valve enclosure back cover 29 ThermoLazer 300TC ProMelt Shown ti14880a 3 Remove cover 320 from gas safet
41. y valve enclo sure 28 4 Disconnect thermopile wires from gas safety valve 13 ti14853a 5 Remove wire strain relief fitting 357 from gas safety valve enclosure 28 AI vc P d ThermoLazer 300TC ProMelt i 28 A only O ti14855a 357 6 Pull thermopile wire out of gas safety valve enclo sure 28 12 ti14854a Pd 7 Disconnect gas pilot line 49 at gas pilot coupling 171 171 ThermoLazer 200TC 300TC ProMelt 8 Thermolazer 300TC ProMelt only Disconnect electrode lead 217 from pulse fire igniter 126 Pull electrode out of wire sleeving ti21952a 9 Remove gas pilot mounting housing 319 from gas burner mounting plate 18 Disconnect ground lead wire 244 gt 2T X s s ThermoLazer 300TC ProMelt K Shown 319 Gee 14857 944 i 10 Remove thermopile 7 ThermoLazer ti14858b 200TC 300TC ProMelt 11 Pull thermopile out of wire sleeving 3A1320F Installation 1 Replacethermopil D 7 2 Install gas pilot mounting plate 319 to gas burner mounting plate 18 Connect ground lead wire 244 gt e TESI c L KE ThermoLazer 300TC ProMelt 1 P7 p Shown 18 m 31 244 SB 1 T a a ti14863b 3 Connect gas pilot line 49 at gas pilot coupling 171 171 hermoLazer 300TC ProMelt ti14861b Shown 4 Pull thermopile through wire sleeving
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