Hobart Welding Productsメーカー250Aの使用説明書/サービス説明書
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AirForce 250A And ICE-12C T orch Processes Description Air Plasma Cutting and Gouging Air Plasma Cutter OM-928 198 842H 2007 − 01 ™.
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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_5/04 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 1-5. 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 of Documents, U.
OM-928 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE A V ANT UTILISA TION pom_fre 5/04 2-1. 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 Isoler la pince de masse quand pas mis à la pièce pour éviter le contact avec tout objet métallique. Il y a DU COURANT CONTINU IMPORT ANT dans les convertisseurs après la suppression de l’ali- mentation électrique.
OM-928 Page 7 Les bouteilles de gaz contiennent du gaz sous haute pression. Si une bouteille est endommagée, elle peut exploser . Puisque les bouteilles de gaz font habituellement partie d’un processus de travail des métaux, assurez − vous de les manipuler correctement.
OM-928 Page 8 2-4. Principales normes de sécurité Safety in W elding and Cutting, norme ANSI Z49.1, de l’American Wel- ding Society , 550 N.W . Lejeune Rd, Miami FL 33126 Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent of Documents, U.
OM-928 Page 9 SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions For Nameplate And Serial Number/Rating Label A Amperes Plasma Arc Cutting (P AC) Adjust Air/Gas Pressure Low Air Pressure Light V V.
OM-928 Page 10 SECTION 4 − INST ALLA TION 4-1. Specifications For Power Source Primary V olts Primary Amperes Primary Service (Recommended) Secondary V olts (DC) Secondary Amperes KW KV A Rated Cutting Capacity Power Factor Max** OCV (DC) 120 20.32 (0.
OM-928 Page 1 1 4-4. T orch Dimensions And W eight 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) 4-5. Selecting A Location loc_2 3/96 - Ref. 802 588-A / 802 589-A 1 Lifting Handle Use handle to lift unit.
OM-928 Page 12 4-6. 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 4-7. Connecting Input Power 802 589-A Check input voltage available at site.
OM-928 Page 13 SECTION 5 − OPERA TION 5-1. 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 14 out bottom of cut. 801 400-A 5-3. 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 . EXAMPLE Of Cutting Operation Raise trigger lock and press trigger .
OM-928 Page 15 SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions.
OM-928 Page 16 6-2. 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 17 6-3. T orch And W ork 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 18 6-4. 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 19 6-5. T roubleshooting Power Source Connect unit to proper input voltage. (see Section 4-7). 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 5-1 ).
OM-928 Page 20 6-6. T roubleshooting T orch T orch travel speed too slow; increase travel speed (see Section 4-2). Clean or replace torch consumables as necessary (see Section 6-4 ).
OM-928 Page 21 SECTION 7 − ELECTRICAL DIAGRAM 213 899-A Figure 7-1. Circuit Diagram.
OM-928 Page 22 SECTION 8 − P ARTS LIST . Hardware is common and not available unless listed. Ref. 802 591-E 1 3 5 6 7 9 10 12 13 14 15 16 17 18 19 20 22 27 28 29 30 32 31 33 34 35 4 21 23 11 2 8 25 26 24 Figure 8-1.
OM-928 Page 23 Description Part No. Item No. Figure 8-1. Main Assembly Quantity Dia. Mkgs. 212 524 COVER ASSY (including) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 +195 621 WRAPPER 1 .
OM-928 Page 24 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 Assy 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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