Instruction/ maintenance manual of the product OM-928 Hobart Welding Products
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AirForce 250A And Ice-12C T orch Processes Description Air Plasma Cutting and Gouging Air Plasma Cutter OM-928 198 842F January 2003 Specifications Covered by this Manual: 500 436 and 500 437 .
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.
T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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OM-928 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING pom _nd_9/98 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown i n the adjoining symbols. Y Marks a special safety message.
OM-928 Page 2 D On inverter power sources, failed parts can ex- plode or cause other parts to explode when power is applied. Always wear a face shield and long sleeves when servicing inverters. EXPLODING P ARTS can injure. Sparks and hot metal blow out from the cutting arc .
OM-928 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.
OM-928 Page 4 1-4. Principal Safety Standards Safety in W elding and Cutting , ANSI Standard Z49.1, from American W elding Society , 550 N.W . LeJeune Rd, Miami FL 33126 Safety and Health Standards , OSHA 29 CFR 1910, from Superinten- dent o f Documents, U.
OM-928 Page 5 SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE A V ANT UTILISA TION pom_nd_fre_5/97 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger ! Ceux-ci sont identifiés par des symboles adjacents aux directives.
OM-928 Page 6 D N’approchez pas le tube du chalumeau et l’arc pilote lorsque la gâchette est enfoncée. D Le câble de masse doit être pincé correctement sur la pièce à couper , métal contre métal (et non de telle sorte qu’il puisse se détacher), ou sur la table de travail le plus près possible de la ligne de coupage.
OM-928 Page 7 1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance DES PIECES CHAUDES peuvent pro- voquer des brûlures graves. D Ne pas toucher des parties chaudes à mains nues. D Laisser refroidir avant d’intervenir sur la torche.
OM-928 Page 8 1-5. Information sur les champs électromagnétiques Données sur le soudage électrique et sur les effets, pour l’organisme, des champs magnétiques basse fréquence Le courant de soudage ou de coupage passant dans les câbles de puis- sance crée des causera des champs électromagnétiques.
OM-928 Page 9 SECTION 2 – INST ALLA TION 2-1. Specifications For Power Source Primary V olts Primary Amperes Primary Service (Recommended) Secondary V olts (DC) Secondary Amperes KW KV A Power Factor Max** OCV (DC) 120 20.32 (0.25*) 20A 11 0 12 2.01 2.
OM-928 Page 10 2-4. T orch Dimensions And Weight Ref. 801 397-A 3.0 lb (1.4 kg) 1 in (25 mm) 8-3/8 in (213 mm) 1-3/8 in (35 mm) 18 in (457 mm) 2-5. Selecting A Location loc_2 3/96 - Ref. 802 588-A / 802 589-A 1 Lifting Handle Use handle to lift unit. 2 Hand Cart Use cart or similar device to move unit.
OM-928 Page 1 1 2-6. Connecting Work Clamp 802 463-A 1 Work Clamp 2 W orkpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. 1 2 2-7. Connecting Input Power 802 589-A Check input voltage available at site.
OM-928 Page 12 SECTION 3 – OPERA TION 3-1. Controls 2 3 1 OFF ON POWER CUP TEMP INPUT VOL T AGE 1 Power Switch 2 Power Light Us e light to tell if unit is energized and ready to operate. Light goes of f if input power is not with specified range (see trouble light infor- mation).
OM-928 Page 13 3-3. T rigger Safety Lock T rigger Locked T rigger Unlocked 1 T rigger 801 545-A 1 out bottom of cut. 801 400-A 3-4. Sequence Of Operation After cutting arc starts, slowly start moving torch across metal. Adjust torch speed so sparks go thru metal and Pause briefly at end of cut before releasing trigger .
OM-928 Page 14 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions.
OM-928 Page 15 4-2. T rouble Light And Checking Shield Cup Shutdown System If certain problems occur , the trouble light comes on, and output stops. 1 T rouble Light a Lights if shield cup is loose. Turn power Off, and check shield cup connection (see Item 2 below).
OM-928 Page 16 4-3. T orch And Work Cable Connections If torch or work cable needs to be removed or replaced, proceed as follows: T urn power Of f, and disconnect input power plug from receptacle. Remove wrapper from unit. T orch Connections Remove existing torch cable from unit.
OM-928 Page 17 4-4. Checking/Replacing Retaining Cup, Tip, And Electrode Overtightening will strip threads. Do not overtighten retaining cup during assembly . Do not cross-thread parts causing stripping. Use care during torch assembly and parts replacement.
OM-928 Page 18 4-5. T roubleshooting Power Source Connect unit to proper input voltage. (see Section 2-7). Ye s No Is input power connected to correct line voltage? Is Power switch in the On position? Place Power switch in the On position. (see Section 3-1).
OM-928 Page 19 4-6. T roubleshooting T orch T orch travel speed too slow; increase travel speed (see Section 3-2). Clean or replace torch consumables as necessary (see Section 4-4).
OM-928 Page 20 SECTION 5 – ELECTRICAL DIAGRAM Figure 5-1. Circuit Diagram 202 707.
OM-928 Page 21 SECTION 6 – P ARTS LIST Figure 6-1. Main Assembly . Hardware is common and not available unless listed. 802 591-D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 19 20 21 22 23 25 24 26 27 28 .
OM-928 Page 22 Description Part No. Item No. Figure 6-1. Main Assembly Quanti ty Dia. Mkgs. 1 +195 621 WRAPPER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-928 Page 23 1 183 427 Handle Assy , left and right w/screws (1) 2 171 248 Pushbutton Switch (1) 3 196 931 Leads, 20ft (1) 4 196 930 Label, ICE-12C (1) 5 196 932 Main Body (1) 6 185 833 Switch A ssy w/Spring (1) 190 220 Spring, trigger assy (1) 169 231 Grease, silicone (1) 196 923 T orch, replacement (1) Part No.
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Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart retail 6/02 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 2003 Hobart Welding Products. 1/03 Hoba rt We lding Product s An I l li noi s T ool Works Com pany 600 W es t Main St reet Troy , OH 45373 USA For T ech nical Assistance: Call1-800-.
An important point after buying a device Hobart Welding Products OM-928 (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 OM-928 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 OM-928 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hobart Welding Products OM-928 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 OM-928 will certainly help you make a decision on the purchase.
If you already are a holder of Hobart Welding Products OM-928, 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 OM-928.
However, one of the most important roles played by the user manual is to help in solving problems with Hobart Welding Products OM-928. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hobart Welding Products OM-928 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
