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AirForce 750

Processes

Description

Air Plasma Cutting
and Gouging

Air Plasma Cutter

OM-279

180 060J

April 1999

Содержание AirForce 750

Страница 1: ...AirForce 750 Processes Description Air Plasma Cutting and Gouging Air Plasma Cutter OM 279 180 060J April 1999 ...

Страница 2: ...e made installation and operation quick and easy With Hobart you can count on years of reliable service with proper maintenance And if for some reason the unit needs repair there s a Troubleshooting section that will help you figure out what the problem is The parts list will then help you to decide which exact part you may need to fix the problem Warranty and service information for your particul...

Страница 3: ...Duty Cycle And Overheating 9 2 4 Cutting Speed 10 2 5 Selecting A Location 10 2 6 Connecting Gas Air Supply 11 2 7 Installing And Connecting Work Clamp 11 2 8 Electrical Service Guide 11 2 9 Placing Jumper Links 12 2 10 Connecting Input Power 13 SECTION 3 OPERATION 14 3 1 Front Panel Controls 14 3 2 Setting Gas Air Pressure 15 3 3 Sequence Of Operation 16 SECTION 4 MAINTENANCE TROUBLESHOOTING 17 4...

Страница 4: ......

Страница 5: ...r or matches from your person before doing any cutting Touching live electrical parts can cause fatal shocks or severe burns The torch and work circuit are electrically live whenever the output is on The input power circuit and machine internal circuits are also live when power is on Plasma arc cutting requires higher voltages than welding to start and maintain the arc 200 to 400 volts dc are comm...

Страница 6: ...e sure the breathing air is safe D Do not cut in locations near degreasing cleaning or spraying oper ations The heat and rays of the arc can react with vapors to form highly toxic and irritating gases D Do not cut on coated metals such as galvanized lead or cadmium plated steel unless the coating is removed from the cutting area the area is well ventilated and if necessary while wearing an air sup...

Страница 7: ...rference stop using the equipment at once D Have the installation regularly checked and maintained D Keep high frequency source doors and panels tightly shut keep spark gaps at correct setting and use grounding and shielding to minimize the possibility of interference ARC CUTTING can cause interference D Electromagnetic energy can interfere with sensitive electronic equipment such as computers and...

Страница 8: ... magnetic fields is a human health hazard However studies are still going forth and evidence continues to be examined Until the final conclusions of the research are reached you may wish to minimize your exposure to electromagnetic fields when welding or cutting To reduce magnetic fields in the workplace use the following proce dures 1 Keep cables close together by twisting or taping them 2 Arrang...

Страница 9: ...nts qui ont déjà reçu des combustibles D Portez des vêtements de protection exempts d huile tels que des gants en cuir une veste résistante des pantalons sans revers des bottes et un casque D Ne placez pas le poste sur une surface combustible ou au dessus de celle ci D Avant le coupage retirez tout combustible de vos poches par exemple un briquet au butane ou des allumettes Le fait de toucher à un...

Страница 10: ...aterial Safety Data Sheets MSDS et les instructions du fabricant pour obtenir plus de renseignements sur les métaux à couper les enrobages et les nettoyants D Travaillez dans un espace restreint uniquement s il est bien ventilé ou si vous portez un respirateur anti vapeurs Les vapeurs causées par le cou page et l épuisement de l oxygène peuvent altérer la qualité de l air et entraîner des blessure...

Страница 11: ...érences avec les équipements de ra dio navigation et de communication les services de sécurité et les ordinateurs D Demander seulement à des personnes qualifiées familiarisées avec des équipements électroniques de faire fonctionner l installation D L utilisateur est tenu de faire corriger rapidement par un électricien qualifié les interférences résultant de l installation D Si le FCC signale des i...

Страница 12: ... toujours en cours et les preuves continuent à être examinées En attendant que les conclusions finales de la recherche soient établies il vous serait sou haitable de réduire votre exposition aux champs électromagnétiques pendant le soudage ou le coupage Afin de réduire les champs électromagnétiques dans l environnement de travail respecter les consignes suivantes 1 Garder les câbles ensembles en l...

Страница 13: ...cle 18 mm At 10 IPM 280 While idling 2 2 Dimensions And Weight C Dimensions A 36 3 4 in 934 mm B 24 1 2 in 622 mm C 21 in 533 mm A Weight A Single PhaseModels 147 lb 66 kg Three Phase Models 168 lb 76 kg Ref ST 801 454 B B Without Torch 6 Minutes Cutting 4 Minutes Resting 2 3 Duty Cycle And Overheating Duty Cycle is percentage of 10 min utes that unit can cut at rated load without overheating If u...

Страница 14: ...Location 1 Handle Use handle to roll unit short distances 2 Lifting Eye 3 Lifting Forks Use lifting eye or lifting forks to move unit If using lifting forks extend forks beyond opposite side of unit 4 Rating Label Under Access Door Use rating label to determine input power needs 5 Line Disconnect Device Locate unit near correct input pow er supply Y Special installation may be required where gasol...

Страница 15: ...ng Work Clamp ST 800 958 1 Work Cable From Unit 2 Ring Terminal 3 Screw 4 Work Clamp Handle Connect ring terminal end of cable to handle using screw Connect work clamp to a clean paint freelocation on workpiece as close to cutting area as possible Tools Needed 1 2 3 4 2 8 Electrical Service Guide Single Phase Models Three Phase Models Input Voltage 200 230 460 230 460 575 Input Amperes At Rated Ou...

Страница 16: ... Link Label Move jumper links to match input voltage and label on unit Ref ST 801 455 S 094 120 B 230 Volts 460 Volts 575 Volts L1 L2 L3 L1 L2 L3 L1 L2 L3 3 8 in Tools Needed 230 VOLTS 460 VOLTS 200 VOLTS S 083 566 C L L L L L L 1 Do not overtighten Single Phase Models Three Phase Models ...

Страница 17: ...Conductors 3 Line Disconnect Device Select type and size of overcurrent protection using Section 2 8 7 16 in 1 2 in Tools Needed 3 OR 2 2 L2 V L3 W L1 U L2 V Ref ST 801 455 Ref ST 144 221 Ref ST 070 399 C Ref ST 801 454 B 1 Three PhaseSystem Single Phase System Y Always connect grounding conductor first GND PE 3 2 Three Phase Connections Single Phase Connections ...

Страница 18: ...er position in most applications to length en the life of the torch and its consumables and to obtain maximum cutting performance Torch trigger must be reset after every cut while in Tip Saver mode 2 Gas Air Pressure Gauge 3 Output Control Use control to select cutting output in am peres Gas air automatically flows at the set pressure Use Gas Air Set area of control range for set ting gas air pres...

Страница 19: ...l in Gas Air Set position 1 Pressure Gauge 2 Pressure Adjustment Knob Lift knob and turn to adjust pres sure Push knob down to lock in set ting Place output control in desired cutting output Ref ST 190 676 Ref ST 801 454 B Set Controls Turn On Gas Air Supply Adjust Pressure Amperage To Begin Cutting Requires 70 150 PSI Select Desired 2 483 1034 kPa Supply 1 Set pressure to 70 PSI 483 kPa ...

Страница 20: ...stantly restarted during postflow by pressing trigger Check Torch Tip Electrode And Retaining Cup Check Gas Air Pressure Set Controls Begin Cutting Turn On Power Source The pilot arc starts immediately when trigger is pressed Place drag shield on edge of metal or allow correct standoff distance approximately 1 8 in 3 mm Do not clean torch by hitting it against a hard surface Hitting hard surfaces ...

Страница 21: ...re conditions Each Use Check Torch Tip Electrode And Shield Cup Check Gas Air Pressure Every Week Check Shield Cup Shutdown System 3 Months Service Air Filter Regulator Assembly Filter Replace Unreadable Labels Tape Torn Outer Covering Or Replace Cable Replace Cracked Parts Check Gas Air Hose Check Torch Body 6 Months Blow Out Or Vacuum Inside OR ...

Страница 22: ...s if power source overheats see Section 2 3 1 2 3 Difficulty establishing pilot arc may indicate consumables need to be cleaned or replaced 4 3 Checking Shield Cup Shutdown System Ref ST 801 300 A 1 Torch Shield Cup Turn Power On and loosen shield cup If shutdown system works properly Ready light goes off and Cup light comes on If not immedi ately turn Off power and have Fac tory Authorized Servic...

Страница 23: ...put Power light on Ready light on Trouble lights off fan motor FM running slowly Check position of input voltage jumper links see Section 2 9 Check input power and check for proper input connections see Sections 2 8 and 2 10 No control of output Have Factory Authorized Service Agent check safety control board PC1 and power control boards PC2 and PC3 No gas air flow Power light on Ready light on Tr...

Страница 24: ... and Ready light both On Have Factory Authorized Service Agent check fan motor connections Check input power and check for proper input connections see Sections 2 8 and 2 10 Trouble lights not working Have Factory Authorized Service Agent check safety control board PC1 ...

Страница 25: ...OM 279 Page 21 SECTION 5 ELECTRICAL DIAGRAMS 193 215 Figure 5 1 Circuit Diagram For 200 230 460 Volt Models ...

Страница 26: ...OM 279 Page 22 194 148 Figure 5 2 Circuit Diagram For 230 460 575 Volt Models ...

Страница 27: ...OM 279 Page 23 Notes ...

Страница 28: ...T 801 499 D Hardware is common and not available unless listed 1 2 3 4 5 6 7 8 9 10 15 11 12 16 8 18 19 20 21 22 23 24 25 26 27 28 29 30 25 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 17 11 12 13 14 50 Figure 6 1 Main Assembly ...

Страница 29: ... main 200 230 460 1 phase model consisting of 1 21 T1 178 959 TRANSFORMER pwr main 230 460 575 3 phase model consisting of 1 TP1 166 063 THERMOSTAT NC open 135C 1 22 TE1 038 138 TERMINAL ASSEMBLY pri 3ph 3V 1 22 TE1 181 214 TERMINAL ASSEMBLY pri 1 phase 3V model 1 038 618 LINK jumper 6 23 190 998 PANEL rear 1 24 PC2 3 193 691 CIRCUIT CARD ASSEMBLY power control 2 25 176 123 FITTING plstc Qdisc elb...

Страница 30: ...D x 29 500 1 168 343 HINGE cont polyolefin 2 00 L w 125H 2 46 136 156 LABEL general precautionary 1 47 Work 169 687 CABLE work 20ft No 6 w strain relief and term 1 48 Work 171 001 CLAMP work 100A 1 PLG22 27 37 164 900 CONNECTOR SOCKETS 3 PLG10 164 899 CONNECTOR SOCKETS 1 PLG5 167 640 CONNECTOR SOCKETS 1 PLG24 34 168 071 CONNECTOR SOCKETS 2 PLG26 36 176 121 CONNECTOR rect univ 084 2 PLG12 153 501 C...

Страница 31: ...OM 279 Page 27 Notes ...

Страница 32: ...OM 279 Page 28 Notes ...

Страница 33: ...Notes ...

Страница 34: ...Notes ...

Страница 35: ...obart s 5 3 1 Limited Warranty shall not apply to 1 Consumable components such as contact tips cutting nozzles slip rings drive rolls gas diffusers plasma torch tips and electrodes weld cables and tongs and tips or parts that fail due to normal wear 2 Items furnished by Hobart Miller but manufactured by others such as engines or trade accessories These items are covered by the manufacturer s warra...

Страница 36: ...r To locate a Distributor retail or service location Call 1 877 Hobart1 or visit our website at www HobartWelders com Contact your Distributor for Welding Supplies and Consumables Options and Accessories Personal Safety Equipment Service and Repair Replacement Parts Training Schools Videos Books Technical Manuals Servicing Information and Parts Circuit Diagrams Welding Process Handbooks Contact th...

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