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Manual Hobart Welding Products OM-279

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  • Hobart Welding Products OM-279 - page 1

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

  • Hobart Welding Products OM-279 - page 2

    Hobart W elders manufactures a full line of welders and welding related equipment. For information on other quality Hobart products, contact your local Hobart distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1. Thank you and congratulations on ch ...

  • Hobart Welding Products OM-279 - page 3

    T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Plasma Arc Cutting Hazards 1 . . . . . . . . . . . . . . . . . . . . ...

  • Hobart Welding Products OM-279 - page 4

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  • Hobart Welding Products OM-279 - page 5

    OM-279 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING pom _nd_5/97 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Y Marks a special safety message. . Means “Note”; not safety related. This group of symbols means W arning! W atch ...

  • Hobart Welding Products OM-279 - page 6

    OM-279 Page 2 Sparks and hot metal blow out from the cutting arc. Chipping and grinding cause flying metal. FL YING SP ARKS can cause injury . D W ear approved face shield or safety goggles with side shields. D W ear proper body protection to protect skin. D Wear flame-resistant ear plugs or ear muf fs to prevent sparks from entering ears. Arc rays ...

  • Hobart Welding Products OM-279 - page 7

    OM-279 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance HOT P ARTS can cause severe burns. D Do not touch hot parts bare handed. D Allow cooling period before working on torch. MOVING P ARTS can cause injury . D Keep away from moving parts such as fans. D Keep all doors, panels, covers, and guards closed and securely in p ...

  • Hobart Welding Products OM-279 - page 8

    OM-279 Page 4 1-5. EMF Information Considerations About W elding Or Cutting And The Effects Of Low Frequency Electric And Magnetic Fields W elding or cutting current, as it flows through the welding or cutting cables, will cause electromagnetic fields. There has been and still is some concern about such fields. However , after examining more than 5 ...

  • Hobart Welding Products OM-279 - page 9

    OM-279 Page 5 SECTION 1 – CONSIGNES DE S É CURIT É – LIRE A V ANT UTILISA TION pom_nd_fre_5/97 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette proc é dure pr é sente des risques de danger ! Ceux-ci sont identifi é s par des symboles adjacents aux directives. Y Identifie un message de s é curit é particulie ...

  • Hobart Welding Products OM-279 - page 10

    OM-279 Page 6 D N ’ approchez pas le tube du chalumeau et l ’ arc pilote lorsque la g â chette est enfonc é e. D Le c â ble de masse doit ê tre pinc é correctement sur la pi è ce à couper , m é tal contre m é tal (et non de telle sorte qu ’ il puisse se d é tacher), ou sur la table de travail le plus pr è s possible de la ligne de ...

  • Hobart Welding Products OM-279 - page 11

    OM-279 Page 7 1-3. Dangers suppl é mentaires en relation avec l ’ installation, le fonctionnement et la maintenance DES PIECES CHAUDES peuvent pro- voquer des br û lures graves. D Ne pas toucher des parties chaudes à mains nues. D Laisser refroidir avant d ’ intervenir sur la torche. DES ORGANES MOBILES peuvent provoquer des blessures. D S ? ...

  • Hobart Welding Products OM-279 - page 12

    OM-279 Page 8 1-5. Information sur les champs é lectromagn é tiques Donn é es sur le soudage é lectrique et sur les effets, pour l ’ organisme, des champs magn é tiques basse fr é quence Le courant de soudage ou de coupage passant dans les c â bles de puis- sance c r é e des causera des champs é lectromagn é tiques. Il y a eu et il y a ...

  • Hobart Welding Products OM-279 - page 13

    OM-279 Page 9 SECTION 2 – INST ALLA TION 2-1. Specifications Model Amperes Input at Rated Load Output 60 Hz T ype of Plasma Rated Rated Cutting Maximum Open- Circuit Model 200 V 230 V 460 V 575 V KV A KW Output Gas Output Cutting Capacity Circuit V oltage DC Single- Phase 42.30 (3.40*) 36.80 (2.95*) 18.40 (1.50*) –– 8.49 (0.68*) 6.55 (0.20*) ...

  • Hobart Welding Products OM-279 - page 14

    OM-279 Page 10 2-4. Cutting Speed The cutting speed curve shows the recommended maximum cutting speed capabilities of the power source and torch for mild steel of various thickness. Y Exceeding recommended cutting speeds will cause rapid erosion of the tip and electrode. ST-180 909 Cutting speed is approximately 10 inches per minute at 0.7 in mild ...

  • Hobart Welding Products OM-279 - page 15

    OM-279 Page 1 1 2-6. Connecting Gas/Air Supply 1 Unit Gas Fitting (Female 1/4 NPT) 2 Quick Connect Gas Fitting 3 Standard Gas Fitting Obtain and install desired fitting. 4 Hose Obtain suitable hose according to installed fitting, and connect to fit- ting. Route hose to gas/air supply . Adjust gas/air pressure according to Section 3-2. Y Incorrect p ...

  • Hobart Welding Products OM-279 - page 16

    OM-279 Page 12 2-9. Placing Jumper Links Check input voltage available at site. 1 Jumper Link Label Move jumper links to match input voltage and label on unit. Ref. ST-801 455 S-094 120-B 230 V olts 460 V olts 575 V olts L1 L2 L3 L1 L2 L3 L1 L2 L3 3/8 in T ools Nee d e d : 230 VOL TS 460 VOL TS 200 VOL TS S-083 566-C LL LL LL 1 Do not overtighten. ...

  • Hobart Welding Products OM-279 - page 17

    OM-279 Page 13 L1 (U) 2-10. Connecting Input Power 1 Strain Relief Clamp Route input and grounding conduc- tors through clamp to terminal board. 2 Input And Grounding Conductors 3 Line Disconnect Device Select type and size of overcurrent protection using Section 2-8. 7/16 in 1/2 in T ools Needed: 3 OR 2 2 L2 (V) L3 (W) L1 (U) L2 (V) Ref. ST-801 45 ...

  • Hobart Welding Products OM-279 - page 18

    OM-279 Page 14 SECTION 3 – OPERA TION 3-1. Front Panel Controls 1 Pilot Arc Switch Use switch to control pilot arc. Place switch in Expanded Metal position for continuous pilot arc. Use while cutting ex- panded metals only . . The Expanded Metal position keeps the pilot arc in the circuit at all times. Life of consumables will be significantly re ...

  • Hobart Welding Products OM-279 - page 19

    OM-279 Page 15 3-2. Setting Gas/Air Pressure Place controls in positions shown to adjust air pressure. Only gas/air cir- cuit is activated when the Power switch is turned On with Output Control 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 out ...

  • Hobart Welding Products OM-279 - page 20

    OM-279 Page 16 3-3. Sequence Of Operation Put On Personal Safety Equipment After cutting arc starts, slowly start moving torch across metal. Adjust torch speed so sparks go thru metal and out bottom of cut. Pause briefly at end of cut before releasing trigger . Install & Connect Equipment EXAMPLE Of Cutting Operation ST-801 400-A Press trigger ...

  • Hobart Welding Products OM-279 - page 21

    OM-279 Page 17 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions. Each Use Check T orch T ip, Electrode, And Shield Cup Check Gas/Air Pressure Every Week Check Shield Cup Shutdown System 3 Months Service A i r Filter/Regulator Assembly Filte ...

  • Hobart Welding Products OM-279 - page 22

    OM-279 Page 18 4-2. T rouble Lights 1 Pressure Light Lights if gas/air pressure is below 40 PSI (276 kPa). Tur n power Of f, and check for prop- er gas/air pressure (see Section 3-2). 2 Cup Light Lights if shield cup is loose. T urn power Of f, and check shield cup connection (see torch Owner ’ s Manual). Power must be reset whenever the cup shut ...

  • Hobart Welding Products OM-279 - page 23

    OM-279 Page 19 4-4. T roubleshooting T rouble Remedy No pilot arc; dif ficulty in establishing an arc. Clean or replace worn consumables as necessary (see torch Owner ’ s Manual). Check for damaged torch or torch cable (see torch Owner ’ s Manual). Have Factory Authorized Service Agent check power switch S1, control relay CR1, CR5 and CR6, rect ...

  • Hobart Welding Products OM-279 - page 24

    OM-279 Page 20 T rouble Remedy Fan motor FM does not run; Power light 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. ...

  • Hobart Welding Products OM-279 - page 25

    OM-279 Page 21 SECTION 5 – ELECTRICAL DIAGRAMS 193 215 Figure 5-1. Circuit Diagram For 200/230/460 V olt Models ...

  • Hobart Welding Products OM-279 - page 26

    OM-279 Page 22 194 148 Figure 5-2. Circuit Diagram For 230/460/575 V olt Models ...

  • Hobart Welding Products OM-279 - page 27

    OM-279 Page 23 Notes ...

  • Hobart Welding Products OM-279 - page 28

    OM-279 Page 24 SECTION 6 – P ARTS LIST ST-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 ...

  • Hobart Welding Products OM-279 - page 29

    OM-279 Page 25 Description Part No. Dia. Mkgs. Item No. Figure 6-1. Main Assembly Quantity 1 178 158 P ANEL, side LH 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 026 947 ST AND-OFF , insul 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Hobart Welding Products OM-279 - page 30

    OM-279 Page 26 Description Part No. Dia. Mkgs. Item No. Figure 6-1. Main Assembly (Continued) Quantity 45 P ANEL, front (consisting of) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +195 835 P ANEL, front 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Hobart Welding Products OM-279 - page 31

    OM-279 Page 27 Notes ...

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    OM-279 Page 28 Notes ...

  • Hobart Welding Products OM-279 - page 33

    Notes ...

  • Hobart Welding Products OM-279 - page 34

    Notes ...

  • Hobart Welding Products OM-279 - page 35

    Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart retail 4/00 Service Y o u always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor or call 1-800-332-3281. The expertise of the distribut ...

  • Hobart Welding Products OM-279 - page 36

    PRINTED IN USA  2000 Hobart Welding Products. 1/00 Hoba rt We lding Pr oducts An I l li noi s T ool W orks Company 600 West M ain Street Troy , OH 45373 US A For Technical Assi stance: Call1-800-332-3281 For Lit erat ure Or Neares t Deal er: Call 1-877-Hobart 1 Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to o ...

Manufacturer Hobart Welding Products Category Welding System

Documents that we receive from a manufacturer of a Hobart Welding Products OM-279 can be divided into several groups. They are, among others:
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Hobart Welding Products OM-279.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Hobart Welding Products OM-279, service manual, brief instructions and user manuals Hobart Welding Products OM-279. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Hobart Welding Products OM-279.

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A complete manual for the device Hobart Welding Products OM-279, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Hobart Welding Products OM-279 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Hobart Welding Products OM-279.

A complete Hobart Welding Products manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Hobart Welding Products OM-279 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Hobart Welding Products OM-279, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Hobart Welding Products OM-279, that we can find in the current document
3. Tips how to use the basic functions of the device Hobart Welding Products OM-279 - which should help us in our first steps of using Hobart Welding Products OM-279
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Hobart Welding Products OM-279
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Hobart Welding Products OM-279 in a specific country, if it was not possible to solve the problem on our own.

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