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PT-37
Plasmarc Cutting Torches
Instruction Manual
P/N 0558004860 - PT-37 Torch with rack 4.5' (1.4 m)
P/N 0558004861 - PT-37 Torch with rack 17' (5.2 m)
P/N 0558004862 - PT-37 Torch with rack 25' (7.6 m)
P/N 0558004863 - PT-37 Torch with rack 50' (15.2 m)
P/N 0558004894 - PT-37 Torch w/o rack 4.5' (1.4 m)
P/N 0558004895 - PT-37 Torch w/o rack 17' (5.2 m)
P/N 0558004896 - PT-37 Torch w/o rack 25' (7.6 m)
P/N 0558004897 - PT-37 Torch w/o rack 50' (15.2 m)
0558005966
05/2011
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Summary of Contents for ESAB PT-37
- Page 1 PT-37 Plasmarc Cutting Torches Instruction Manual P/N 0558004860 - PT-37 Torch with rack 4.5' (1.4 m) P/N 0558004861 - PT-37 Torch with rack 17' (5.2 m) P/N 0558004862 - PT-37 Torch with rack 25' (7.6 m) P/N 0558004863 - PT-37 Torch with rack 50' (15.2 m) P/N 0558004894 - PT-37 Torch w/o rack 4.5' (1.4 m) P/N 0558004895 - PT-37 Torch w/o rack 17' (5.2 m) P/N 0558004896 - PT-37 Torch w/o rack 25' (7.6 m) P/N 0558004897 - PT-37 Torch w/o rack 50' (15.2 m) 0558005966 05/2011...
- Page 2 Be sure ThIs INforMaTIoN reaches The oPeraTor. You caN geT exTra coPIes Through Your suPPlIer. cauTIoN These INsTrucTIoNs are for experienced operators. If you are not fully familiar with the principles of operation and safe practices for arc welding and cutting equipment, we urge you to read our booklet, “Precautions and safe Practices for arc Welding, cutting, and gouging,” form 52-529. Do NoT permit untrained persons to install, operate, or maintain this equipment. Do NoT attempt to install or operate this equipment until you have read and fully understand these instructions. If you do not fully understand these instructions, contact your supplier for further information. Be sure to read the safety Precautions be- fore installing or operating this equipment. user resPoNsIBIlITY This equipment will perform in conformity with the description thereof contained in this manual and accompa- nying labels and/or inserts when installed, operated, maintained and repaired in accordance with the instruc- tions provided.
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Page 3: Table Of Contents
Torch Installation ESP-101 ..............................24 Torch Installation Powercut 900/1300/1600 ........................26 Torch Installation Remote Junction Box ..........................28 secTIoN 4 oPeraTIoN ..................................... 29 Cutting with the PT-37 ................................29 Installing Consumables .................................29 Cut Data ......................................31 4.2.1 Pressure Reduction for 4.5' and 17' Torch Lengths ......................31 Operation of Power Source ..............................31... - Page 4 TaBle of coNTeNTs...
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Page 5: Safety
secTIoN 1 safeTY PrecauTIoNs 1.0 safety Precautions 1.1 safety - english WarNINg: These Safety Precautions are fIres aND exPlosIoNs -- heat from for your protection. They summarize pre- flames and arcs can start fires. hot cautionary information from the references slag or sparks can also cause fires and listed in Additional Safety Information sec- explosions. Therefore: tion. - Page 6 secTIoN 1 safeTY PrecauTIoNs 1. Be sure the power source frame (chassis) is con- 3. Welders should use the following procedures to nected to the ground system of the input power. minimize exposure to EMF: 2. Connect the workpiece to a good electrical A.
- Page 7 secTIoN 1 safeTY PrecauTIoNs 5. WarNINg: This p roduct, w hen u sed f or w elding 1. Always have qualified personnel perform the instal- or cutting, produces fumes or gases lation, troubleshooting, and maintenance work. which contain chemicals known to Do not perform any electrical work unless you are the state of california to cause birth qualified to perform such work.
- Page 8 secTIoN 1 safeTY PrecauTIoNs 5. AWS C5.5 - "Recommended Practices for Gas Tung- sten Arc Welding“ 6. AWS C5.6 - "Recommended Practices for Gas Metal Arc Welding"“ 7. AWS SP - "Safe Practices" - Reprint, Welding Hand- book. 8. ANSI/AWS F4.1, "Recommended Safe Practices for Welding and Cutting of Containers That Have Held Hazardous Substances."...
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Page 9: La Seguridad - Español
seccIóN 1 segurIDaD 1.2 la seguridad - español La escoria puede estar caliente y desprenderse con velocidad. Personas cercanas deberán usar gafas aDVerTeNcIa: Estas Precauciones de Se- de seguridad y careta protectora. guridad son para su protección. Ellas hacen resumen de información proveniente de las fuego Y exPlosIoNes -- el calor de referencias listadas en la sección "Información Adi- las flamas y el arco pueden ocacionar... - Page 10 seccIóN 1 segurIDaD 1. Asegúrese de que el chasis de la fuente de poder 3. Los soldadores deberán usar los siguientes proced- esté conectado a tierra através del sistema de imientos para minimizar exponerse al EMF: electricidad primario. 2. Conecte la pieza de trabajo a un buen sistema de A.
- Page 11 seccIóN 1 segurIDaD 5. aDVerTeNcIa-- este producto cuando se uti- 1. Siempre tenga personal cualificado para efec- liza para soldaduras o cortes, tuar l a instalación, diagnóstico, y mantenimiento produce humos o gases, los del equipo. No ejecute ningún trabajo eléctrico a cuales contienen químicos menos que usted esté...
- Page 12 seccIóN 1 segurIDaD sIgNIfIcaDo De los sIMBolos -- según usted avanza en la lectura de este folleto: los símbolos sig- nifican ¡atención! ¡esté alerta! se trata de su seguridad. significa riesgo inmediato que, de no ser evadido, puede resultar inmediatamente en serio daño personal o la muerte. significa el riesgo de un peligro potencial que puede resultar en serio daño personal o la muerte. significa el posible riesgo que puede resultar en menores daños a la persona.
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Page 13: La Sûreté - Français
secTIoN 1 sÉcurITÉ 1.3 la sûreté - français INceNDIes eT exPlosIoNs -- la chaleur prov- enant des flammes ou de l'arc peut provoquer un incendie. le laitier in- aVerTIsseMeNT : Ces règles de sécurité candescent ou les étincelles peuvent ont pour but d'assurer votre protection. Ils également p rovoquer u n i ncendie o u récapitulent les informations de précaution provenant une explosion. Par conséquent : des références dans la section des Informations de sécu- rité... - Page 14 secTIoN 1 sÉcurITÉ 1. Assurez-vous que le châssis de la source 3. Les soudeurs doivent suivre les procédures suivantes d'alimentation est branché au système de mise à pour minimiser l'exposition aux champs électriques la terre de l'alimentation d'entrée. et magnétiques : 2.
- Page 15 secTIoN 1 sÉcurITÉ 5. aVerTIsseMeNT : ce produit, lorsqu'il est utilisé eNTreTIeN D e l 'ÉQuIPeMeNT - - u n é quipe- dans une opération de soudage ou de ment entretenu de façon défectueuse ou coupage, dégage des vapeurs ou des inadéquate peut causer des blessures gaz contenant des chimiques consid- graves ou mortelles. Par conséquent : éres par l'état de la californie comme 1. Efforcez-vous de toujours confier les tâches étant une cause des malformations d'installation, de dépannage et d'entretien à un congénitales et dans certains cas, du personnel qualifié.
- Page 16 secTIoN 1 sÉcurITÉ sIgNIfIcaTIoN Des sYMBoles ce s ymbole, u tilisé p artout d ans c e m anuel, signifie "attention" ! soyez vigilant ! Votre sécurité est en jeu. DaNger signifie un danger immédiat. la situation peut entraîner des blessures graves ou mortelles. aVerTIsseMeNT signifie un danger potentiel qui peut entraîner des blessures graves ou mortelles. aTTeNTIoN signifie un danger qui peut entraîner des blessures corporelles mineures.
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Page 17: Description
2.0 Description The patented PT-37 torch severs up to 1-1/4 inch material using air as the plasma and shielding gas. Utilizing a blowback start and an electronically controlled pilot arc the PT-37 sets a new standard for starting reliability, cutting characteristics and consumable life. -
Page 18: Torch Specifications
13.7" (112 mm) (348 mm) PT-37 Torches: PT-37 Torch with rack 4.5' (1.4 m) .....................0558004860 PT-37 Torch with rack 17' (5.2 m) ......................0558004861 PT-37 Torch with rack 25' (7.6 m) ......................0558004862 PT-37 Torch with rack 50' (15.2 m) ....................0558004863 PT-37 Torch w/o rack 4.5' (1.4 m) ......................0558004894 PT-37 Torch w/o rack 17' (5.2 m) ......................0558004895... - Page 19 DescrIPTIoN Compatible ESAB Consoles: ESP-101: 460 V Console...............0558004880 380-400 V CE Console ..........0558005215 Powercut-900: 208/230 V Mechanized Console ......0558008126 208/230 V Mechanized Console Bilingual ..0558008126F 230 V CE Mechanized Console ....... 0558008139 460 V Mechanized Console ........0558008130 400 V Mechanized Console ........
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Page 20: Optional Accessories
secTIoN 2 DescrIPTIoN 2.2 optional accessories: Torch holder assembly ............p/n 0558005926 Plate rider ................. p/n 0560936972 Used to maintain a constant standoff while cutting thin materials or using machines without automatic height control. remote Junction Box ............p/n 0558004887 Enables 50', 75' or 100' extension cables to be used between the ESP- 101 power supply and the existing torch service line. -
Page 21: Start-Up Kits And Consumable Sets
DescrIPTIoN 2.3 start-up Kits and consumable sets: PT-37 start-up Kits 0558004883 0558008889 0558008247 0558008248 Part No Description 100 amp 90 amp 70 amp 60 amp 0558004875 Electrode, Silver 0558005217 Gas Baffle, 30-70 Amp 0558004870 Gas Baffle, 90 / 100 Amp 0558005218 Nozzle, 30-40 Amp 0558004878 Nozzle, 50 Amp 0558008417 Nozzle, 60 Amp... -
Page 22: Consumable Breakdown
secTIoN 2 DescrIPTIoN 2.4 consumable Breakdown:... -
Page 23: Installation
secTIoN 3 INsTallaTIoN WarNINg MaKe sure PoWer sWITch oN coNsole Is IN off PosITIoN aND PrIMarY INPuT PoWer Is De-eNergIZeD. 3.0 Installation 3.1 Torch Mounting With Torch holder assembly, P/N 0558005926 Recommended Maximum 13.2" (335 mm) Recommended Minimum 7.2" (183 mm) With customer supplied holder Recommended Maximum 13.2" (335 mm) Recommended Minimum 7.2" (183 mm) Mounting area 6.0"... -
Page 24: Torch Installation Esp-101
secTIoN 3 INsTallaTIoN 3.2 Torch Installation esP-101 1. Remove torch lead access door on the left side of the ESP-101. Torch Lead Access Door 2. Insert the torch cable through the torch access opening on the front of the console. Torch Cable Torch Access Opening 3. - Page 25 secTIoN 3 INsTallaTIoN 5. Replace the torch lead access door. Torch Lead Access Door 6. Insert the work cable into receptacle on the front of the con- sole and turn clockwise until secure. Work Cable...
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Page 26: Torch Installation Powercut 900/1300/1600
secTIoN 3 INsTallaTIoN 3.3 Torch Installation Powercut 900/1300/1600 1. Open torch lead access door on the front panel of the Powercut-1300/1600. Torch Lead Access Door 2. Connect the torch cable male receptacle to the panel receptacle. Check orientation of the sockets to ensure a correct fit. Panel Receptacle Torch Cable Male Receptacle... - Page 27 secTIoN 3 INsTallaTIoN 4. Insert work cable into receptacle on the front of the console and turn clockwise until secure. 5. Replace torch lead access door. Work Cable Torch Lead Access Door...
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Page 28: Torch Installation Remote Junction Box
secTIoN 3 INsTallaTIoN 3.4 Torch Installation remote Junction Box 1. Remove cover. Mount box. Connect extension cable between the power supply and remote junction box. Refer to remote junction box instruction manual. Note that the solenoid is wired to the power supply / extension cable receptacle side of the box. 2. -
Page 29: Operation
Do NoT use oxYgeN WITh ThIs Torch! a haZarDous fIre MaY resulT. 4.0 cutting with the PT-37 Use the following procedures to cut with the PT-37 torch. 1. Make sure that the wall disconnect switch is on. Turn on the Power Switch to the cutting power source console. 2. Set Pressure Regulator to 80 psig (5.5 bar). - Page 30 secTIoN 4 oPeraTIoN...
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Page 31: Cut Data
secTIoN 4 oPeraTIoN DaNger Do NoT use oxYgeN WITh ThIs Torch! a haZarDous fIre MaY resulT. 4.2 cut Data Use the following pages for initial cutting parameters. Variations in material and conditions may require adjust- ments to be made to obtain desired results. 4.2.1 Pressure reduction for 4.5' (1.4 m) and 17' (5.2 m) Torch lengths With or without Junction Box installed: When using 4.5' (1.4 m) or 17' (5.2 m) torch assemblies, plasma gas set- tings should be reduced 5 - 10 psi (.35 - .69 bar) for optimum performance. - Page 32 PT-37 Material: galvanized steel 30 and 40 amperes: Plasma gas: air @ 80 psi (5.5 bar) PlasMarc™ cutting Torch GAS BAFFLE, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE, 30-40 AMP, P/N 0558005218 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD, 30-40 AMP, P/N 0558006603...
- Page 33 2800 3600 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 34 PT-37 Material: carbon steel amperes: 30 and 40 air @ 80 psi (5.5 bar) Plasma gas: PlasMarc™ cutting Torch GAS BAFFLE, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE, 30-40 AMP, P/N 0558005218 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD, 30-40 AMP, P/N 0558006603...
- Page 35 1300 1675 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 36 PT-37 Material: carbon steel amperes: Plasma gas: air @ 70 psi (4.8 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE 50 AMP, P/N 0558004878 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602...
- Page 37 1625 1075 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 38 PT-37 Material: carbon steel amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE SILVER, P/N 0558004875 NOZZLE 60 AMP, P/N 0558008417 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602 IMPorTaNT !!! reminder for Powercut-900 users: Power Source Ratings: 60 Amps @ 60% duty cycle.
- Page 39 1325 1025 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 40 PT-37 Material: carbon steel amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE SILVER, P/N 0558004875 NOZZLE 70 AMP, P/N 0558005219 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602...
- Page 41 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 42 PT-37 Material: carbon steel amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 90/100 AMP, P/N 0558004870 ELECTRODE SILVER, P/N 0558004875 NOZZLE 100 AMP, P/N 0558004879 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 100 AMP, P/N 0558006601...
- Page 43 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 44 PT-37 Material: aluminum amperes: 30 and 40 Plasma gas: air @ 80 psi (5.5 bar) PlasMarc™ cutting Torch GAS BAFFLE, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE, 30-40 AMP, P/N 0558005218 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD, 30-40 AMP, P/N 0558006603...
- Page 45 1425 1875 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 46 PT-37 Material: aluminum amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE 50 AMP, P/N 0558004878 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602...
- Page 47 1725 1200 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 48 PT-37 Material: aluminum amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE SILVER, P/N 0558004875 NOZZLE 60 AMP, P/N 0558008417 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602 IMPorTaNT !!! reminder for Powercut-900 users: Power Source Ratings: 60 Amps @ 60% duty cycle.
- Page 49 1650 1300 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 50 PT-37 Material: aluminum amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE SILVER, P/N 0558004875 NOZZLE 70 AMP, P/N 0558005219 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602...
- Page 51 1275 1050 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 52 PT-37 Material: aluminum amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 90/100 AMP, P/N 0558004870 ELECTRODE SILVER, P/N 0558004875 NOZZLE 100 AMP, P/N 0558004879 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 100 AMP, P/N 0558006601...
- Page 53 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 54 PT-37 Material: stainless steel amperes: 30 and 40 air @ 85 psi (5.85 bar) Plasma gas: PlasMarc™ cutting Torch GAS BAFFLE, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE, 30-40 AMP, P/N 0558005218 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD, 30-40 AMP, P/N 0558006603...
- Page 55 1300 1125 The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param- eters.
- Page 56 PT-37 Material: stainless steel amperes: Plasma gas: air @ 70 psi (4.8 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE, P/N 0558005220 NOZZLE 50 AMP, P/N 0558004878 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602...
- Page 57 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 58 PT-37 Material: stainless steel amperes: Plasma gas: air @ 70 psi (4.8 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE SILVER, P/N 0558004875 NOZZLE 60 AMP, P/N 0558008417 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602 IMPorTaNT !!! reminder for Powercut-900 users: Power Source Ratings: 60 Amps @ 60% duty cycle.
- Page 59 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 60 PT-37 Material: stainless steel amperes: Plasma gas: air @ 90 psi (6.2 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 30-70 AMP, P/N 0558005217 ELECTRODE SILVER, P/N 0558004875 NOZZLE 70 AMP, P/N 0558005219 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 50-90 AMP, P/N 0558006602...
- Page 61 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 62 PT-37 Material: stainless steel amperes: Plasma gas: air @ 80 psi (5.5 bar) * PlasMarc™ cutting Torch * see section 4.2.1 esP-101 Plasma system GAS BAFFLE 90/100 AMP, P/N 0558004870 ELECTRODE SILVER, P/N 0558004875 NOZZLE 100 AMP, P/N 0558004879 RETAINING CUP W/ THREADS, P/N 0558006600 SHIELD 100 AMP, P/N 0558006601...
- Page 63 NR = Not Recommended The published cut speeds are the result of ESAB’s laboratory testing. The actual optimum and maximum cutting speeds may vary based on material composition, surface quality (rust, surface scale or primers, etc.) and various user setup param-...
- Page 64 secTIoN 4 oPeraTIoN...
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Page 65: Maintenance
5.1 Dirt or contamination Dirt or other contamination in the torch and loose consumable parts can cause premature failure of the PT-37 Torch through internal arcing. To avoid this, users are instructed to do the following: Ensure that clean, dry, and oil-free air is being used. - Page 66 secTIoN 5 MaINTeNaNce rePlace elecTroDe Before Wear BecoMes DeePer ThaN .060" cauTIoN INch (1.5 MM). 3. Remove the nozzle by tilting retaining cup upside down and pushing nozzle out. Inspect nozzle for wear. The nozzle orifice should be round at both the entrance and the exit. If the nozzle orifice is worn in an oval shape or shows other signs of damage at either end, it should be replaced.
- Page 67 secTIoN 5 MaINTeNaNce 5. Remove the gas baffle. Inspect it and the piston for signs of damage such as arc tracking or cracking and replace them if necessary. 6. After installing the gas baffle onto the torch body assembly, install electrode by screwing clockwise into place.
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Page 68: Removal / Replacement Of Torch Body
secTIoN 5 MaINTeNaNce MaKe sure ThaT The PoWer source has BeeN TurNeD off aND WarNINg ThaT PrIMarY PoWer has BeeN DIscoNNecTeD Before Pro- ceeDINg. 5.3 removal / replacement of Torch Body 1. Unscrew the handle from the torch body assembly. Pull handle back onto the torch cable assembly to expose the torch connections. Note: Replacement of the torch consumables is recommended when replacing the torch body. Handle Grasp torch body assembly in this area figure 5-1. - Page 69 secTIoN 5 MaINTeNaNce 2. Remove the electrical tape wrapped around the torch sleeving to access the tubing on the pilot arc (blue) cable (See figure 5-2). Move the tubing to expose the pilot arc knife connection. Pull Handle back Brass Connection Block Torch Body Assembly Remove electrical tape figure 5-2.
- Page 70 secTIoN 5 MaINTeNaNce 4. To disconnect the main power cable, use a 1/16" (1.6 mm) Allen wrench to loosen setscrew in the brass connection block. Next, loosen setscrew on torch body connection with the Allen wrench (See figure 5-5). Main power cable Brass Connection Block Torch body setscrew Main power cable...
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Page 71: Measuring Torch Gas Flows
The kit also includes a set of instructions which should be followed exactly to insure safe and accu- rate use of the rotameter. Total air flow rate in the PT-37 should be 475 cfh (13.4 cmh) minimum with flow Measuring Kit 100 amp consumables installed. - Page 72 secTIoN 5 MaINTeNaNce...
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Page 73: Replacement Parts
6.2 ordering To ensure proper operation, it is recommended that only genuine ESAB parts and products be used with this equipment. The use of non-ESAB parts may void your warranty. Replacement parts may be ordered from your ESAB Distributor. -
Page 74: Diagrams And Parts List
secTIoN 6 rePlaceMeNT ParTs Torch Body assembly P/N 0558004855... - Page 75 Item Part No Description (1-22) 0558004855 BODY ASSY TORCH PT-37 CAP / TUBE AY BRAZED UPPER PT-37 BODY LOWER RETAINING RING SPIRAL 1.298 OD (SEE KIT) PISTON PT-37 COLLAR RETAINING PT-37 0558004874 SEAL PILOT ARC LEAD PT-37 64302860 WASHER LOCK #6 61640852 SCREW SKT HEX SST #6-32 x .50...
- Page 76 NoTes...
- Page 77 NoTes...
- Page 78 NoTes...
- Page 79 reVIsIoN hIsTorY 1. Original release for BETA use only: 04/2007. 2. Revision 05/2007 - released for publication. 3. Revision 06/2007 - reworked cut data charts. 4. Revision 10/2007 - Updated front end torch pics. 5. Revision 03/2008 - Updated torch pics on cut data charts, removed P/N 055804856 and changed P/N from: 0558004878 to: 0558005219 on 70A Carbon Steel data.
- Page 80 If You Do NoT KNoW WhoM To call Telephone: (800) ESAB-123 Fax: (843) 664-4462 Hours: 7:30 AM to 5:00 PM EST Visit us on the web at http://www.esabna.com The ESAB web site offers Comprehensive Product Information Material Safety Data Sheets Warranty Registration Instruction Literature Download Library Distributor Locator...
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