Instruction/ maintenance manual of the product 300 AC Hobart Welding Products
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Cybershop 300 AC/DC Processes Description TIG (GT A W ) W elding Stick (SMA W) W elding Flux Cored (FCA W) W elding Arc Welding Power Source OM-318 126 418R December 2000 MIG (GMA W) W elding.
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.
The following terms are used interchangeably throughout this manual: TIG = GT AW Stick = SMAW Mig = GMAW T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 .
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OM-318 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _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.
OM-318 Page 2 Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Sparks fly of f from the weld. ARC RA YS can burn eyes and skin. D Wear a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.
OM-318 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over , or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring – be sure power supply system is properly sized, rated, and protected to handle this unit.
OM-318 Page 4 1-5. EMF Information Considerations About W elding And The Effects Of Low Frequency Electric A n d M a g netic Fields W elding current, as it flows through welding cables, will cause electro- magnetic fields. There has been and still is some concern about such fields.
OM-318 Page 5 SECTION 1 – CONSIGNES DE SECURITE – LIRE A V ANT UTILISA TION som _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.
OM-318 Page 6 Le rayonnement de l ’ arc du proc é d é de soudage g é n è re des rayons visibles et invisibles intenses (ultraviolets et infrarouges) susceptibles de provoquer des br û lures dans les yeux et sur la peau. Des é tincelles sont projet é es pendant le soudage.
OM-318 Page 7 1-3. Dangers suppl é mentaires en relation avec l ’ installation, le fonctionnement et la maintenance Risque D ’ INCENDIE OU D ’ EXPLOSION. D Ne pas placer l ’ appareil sur , au-dessus ou à proxi- mit é de surfaces infllammables.
OM-318 Page 8 1-4. Principales normes de s é curit é Safety in W elding and Cutting, norme ANSI Z49.1, de l ’ American W el- ding Society , 550 N.W . Lejeune Rd, Miami FL 33126 Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent of Documents, U.
OM-318 Page 9 SECTION 2 – INST ALLA TION 2-1. Specifications Rated W eld Max. Input at Rated Load Output, 50/60 Hz, Single-Phase Model W eld Output Output Mode Open- Circuit Amperes At KV A KW Output Mode V oltage 200 V 220 V 230 V 380 V 415 V 460 V 575 V NEMA Class II (40): 200 Amperes, 28 V olts AC, 40% Duty Cycle AC 80 V olts AC 85 (4.
OM-318 Page 10 2-3. Duty Cycle And Overheating 5 Minutes W elding 5 Minutes Resting 4 Minutes W elding 6 Minutes Resting Duty Cycle is percentage of 10 m i n- utes that unit can weld at rated load without overheating. If unit overheats, thermostat opens, output stops, and cooling fan runs.
OM-318 Page 1 1 2-4. Selecting A Location 1 Lifting Eye 2 Lifting Forks Use lifting eye or lifting forks to move unit. If using lifting forks, extend forks beyond opposite side of unit.
OM-318 Page 12 2-6. W eld Output T erminals And Selecting Cable Sizes T otal Cable (Copper) Length In W eld Circuit Not Exceeding 100 ft (30 m) Or Less 150 ft (45 m) 200 ft (60 m) 250 ft (70 m) 300 ft.
OM-318 Page 13 2-8. 1 15 V olts AC Duplex Receptacle Ref. ST-152 973-A Y T urn Off power before con- necting to receptacle. 1 1 15 V AC Receptacle Receptacle is protected from over- load by circuit breaker CB1 (see Section 4-2). Power output is shared between this receptacle and the Remote 14 receptacle (see Section 2-7).
OM-318 Page 14 1 2-10. Placing Jumper Links And Connecting Input Power ST-130 173-K Check input voltage available at site. 1 Jumper Link Label Check label – only one is on unit. 2 Jumper Links Move jumper links to match input voltage. 3 Input And Grounding Conductors Select size and length using Section 2-9.
OM-318 Page 15 SECTION 3 – OPERA TION 3-1. Controls 1 Arc For c e ( D i g ) C o n t r o l For SMA W , control increases short-circuit amperage which allows the operator to use a very short arc length without sticking the electrode. Set control at 0 for GT AW .
OM-318 Page 16 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Replace Unreadable Labels Repair Or Replace Cracked W eld Cables.
OM-318 Page 17 4-3. T roubleshooting T rouble Remedy No weld output; unit completely inoperative. Place line disconnect switch in On position (see Section 2-10). Check and replace line fuse(s), if necessary (see Section 2-10). Check for proper input power connections (see Section 2-10).
OM-318 Page 18 Notes.
OM-318 Page 19 SECTION 5 – ELECTRICAL DIAGRAM SC-187 701 Figure 5-1. Circuit Diagram.
OM-318 Page 20 SECTION 6 – P ARTS LIST Fig 6-4 Fig 6-3 Fig 6-2 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 27 19 28 25 ST-130 166-L 24 6 .
OM-318 Page 21 Replace Coils At Factory Or Factory Authorized Service Station Description Part No. Dia. Mkgs. Item No. Figure 6-1. Main Assembly Quantity 1 182 605 COVER, top 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-318 Page 22 1 5 7 9 10 9 10 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 15 16 22 ST-130 167-F 11 12 13 2 3 4 6 8 . Hardware is common and not available unless listed.
OM-318 Page 23 Description Quantity Part No. Dia. Mkgs. Item No. Figure 6-2. Panel, Front w/Components (Fig 6-1 Item 28) 1 169 136 PIN, handle 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-318 Page 24 Description Quantity Part No. Dia. Mkgs. 126 209 Item No. Figure 6-3. Rectifier , Si Diode (Fig 6-1 Item 27) 1 PLG53 1 15 092 CONNECTOR & SOCKETS 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart standard 7/00 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.
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 Com pany 600 West Main St reet Troy , OH 45373 USA For Technical A ssistan ce: Call1-800-3.
An important point after buying a device Hobart Welding Products 300 AC (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hobart Welding Products 300 AC yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hobart Welding Products 300 AC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hobart Welding Products 300 AC you will learn all the available features of the product, as well as information on its operation. The information that you get Hobart Welding Products 300 AC will certainly help you make a decision on the purchase.
If you already are a holder of Hobart Welding Products 300 AC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hobart Welding Products 300 AC.
However, one of the most important roles played by the user manual is to help in solving problems with Hobart Welding Products 300 AC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hobart Welding Products 300 AC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
