Related Manuals for Miller Electric OM-225A
Summary of Contents for Miller Electric OM-225A
- Page 1 Spectrum 650 Cut Force Visit our website at www.MillerWelds.com OM-225A Eff. w/Serial Number KG155768 Processes Air Plasma Cutting and Gouging Description Air Plasma Cutter February 1998...
- Page 2 ISO 9001 Quality System Standard. service information for your particular model are also provided. Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual catalog sheets.
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Page 3: Section 1 - Safety Precautions - Read Before Using
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage Means Warning! Watch 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. 1-2. - Page 4 FLYING SPARKS can cause injury. Sparks and hot metal blow out from the cutting arc. Chipping and grinding cause flying metal. Wear approved face shield or safety goggles with side shields. Wear proper body protection to protect skin. Wear flame-resistant ear plugs or ear muffs to prevent sparks from entering ears.
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Page 5: Principal Safety Standards
1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. D Do not touch hot parts bare handed. D Allow cooling period before working on torch. MOVING PARTS can cause injury. D Keep away from moving parts such as fans. D Keep all doors, panels, covers, and guards closed and securely in place. -
Page 6: Emf Information
1-5. EMF Information Considerations About Welding Or Cutting And The Effects Of Low Frequency Electric And Magnetic Fields Welding 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. -
Page 7: Section 1 - Consignes De Sécurité - Lire Avant Utilisation
SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT UTILISATION 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. Y Identifie un message de sécurité particulier. Signifie NOTA ;... - Page 8 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.
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Page 9: Et La Maintenance
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. DES ORGANES MOBILES peuvent provoquer des blessures. -
Page 10: Information Sur Les Champs Électromagnétiques
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. Il y a eu et il y a encore un certain souci à... -
Page 11: Section 2 - Installation
SECTION 2 – INSTALLATION 2-1. Specifications Amperes Input at Rated Load Input Rated Output Output Power Power 230 V 460 V 50 A @ 110 Single- Volts DC, 50% Phase (0.4*) Duty Cycle 50 A @ 110 23.2 Volts DC, 60% 3-Phase (0.4*) Duty Cycle... -
Page 12: Cutting Speed
2-3. Cutting Speed Cutting speed is approximately 10 inches per minute at 5/8 in mild steel thickness at max setting. OM-225 Page 10 The cutting speed curves show the recommended maximum cutting speed capabilities of the power source and torch for mild steel of various thickness. -
Page 13: Selecting A Location
2-4. Selecting A Location Dimensions And Weight 69 lb (31.3 kg) Movement Location And Airflow 10 in (254 mm) 19 in (483 mm) 10 in (254 mm) Y Do not move or operate unit where it could tip. 10 in (254 mm) 10 in (254 mm) -
Page 14: Electrical Service Guide
2-5. Connecting Work Clamp And Gas/Air Supply Use only clean, dry gas/air with 70 to 150 psi (483 to 1034 kPa) pressure. 2-6. Electrical Service Guide Input Voltage Input Amperes At Rated Output Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes Reference: 1993 National Electrical Code (NEC). -
Page 15: Connecting Input Power
2-7. Connecting Input Power Y Always connect grounding conductor first. = GND/PE input_2 – 3/96 / Ref. ST-144 221 / Ref. ST-070 399-C / Ref. ST-801 390 / ST-801 392 Check input voltage available at site. Input Voltage Selector Switch Selector Switch Label Rotate switch to match input voltage. -
Page 16: Section 3 - Operation
SECTION 3 – OPERATION 3-1. Controls Setting Gas/Air Pressure POWER Requires 70–150 PSI (482–1034 kPa) Supply Set Controls Turn On Gas/Air Supply Power Switch Power Light Power light comes On when Power switch is placed in On position. When unit is turned On, the power light blinks for a short time (3 seconds for 230 VAC, 1 se- cond for 460 VAC) to indicate a delay during which the circuits are being initialized. -
Page 17: Sequence Of Operation
3-2. Sequence Of Operation Do not clean torch by hitting it against a hard surface. Hitting hard surfaces can damage torch parts and stop proper opera- tion. Install & Put On Personal Connect Safety Equipment Equipment Begin Cutting EXAMPLE Of Cutting Operation Place drag shield on edge of metal, or allow correct standoff distance –... -
Page 18: Section 4 - Maintenance & Troubleshooting
SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Check Torch Tip, Electrode, And Shield Cup Replace Cracked Parts Check Gas/Air Hose OM-225 Page 16 Y Disconnect power before maintaining. Each Use Every Week Check Shield Cup Shutdown System 3 Months Replace Damaged Or Unreadable... -
Page 19: Trouble Lights
4-2. Trouble Lights 4-3. Checking Shield Cup Shutdown System Power must be reset whenever the cup shutdown system is activated. Always turn Off power when changing or checking consumables. Pressure Light Lights if gas/air pressure is below 40 PSI (276 kPa). Turn power Off, and check for prop- er gas/air pressure (see Section 2-5). -
Page 20: Troubleshooting
4-4. Troubleshooting Trouble No pilot arc; difficulty in establishing an Clean or replace worn consumables as necessary (see torch Owner’s Manual). arc. Check for damaged torch or torch cable (see torch Owner’s Manual). No cutting output; Power light off; Place Power switch in On position. Trouble lights off;... -
Page 21: Section 5 - Electrical Diagram
SECTION 5 – ELECTRICAL DIAGRAM SC-186 187 Figure 5-1. Circuit Diagram OM-225 Page 19... -
Page 22: Section 6 - Parts List
SECTION 6 – PARTS LIST OM-225 Page 20 Figure 6-1. Complete Assembly ST-801 407-B... - Page 23 Item Dia. Part Mkgs. Figure 6-1. Complete Assembly ... . . 126 026 LABEL, warning electric shock ... . . 171 321 KIT, replacement handle black .
- Page 24 Item Dia. Part Mkgs. Figure 6-1. Complete Assembly (Continued) . . . R1,3 181 391 RESISTOR, .3 ohm 140W . . . 181 389 CF PWB, assembly . . . 181 390 CROW BAR PWB, assembly ... . . 186 257 THYRISTOR, bypass 100A 1200V .
- Page 25 Notes OM-225 Page 23...
- Page 26 Notes OM-225 Page 24...
- Page 27 Warranty Questions? Call LIMITED WARRANTY – Subject to the terms and conditions below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants 1-800-4-A-MILLER to its original retail purchaser that new Miller equipment sold for your local after the effective date of this limited warranty is free of defects in material and workmanship at the time it is shipped by Miller.
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Page 28: Owner's Record
Parts) Circuit Diagrams Welding Process Handbooks File a claim for loss or damage during shipment. 2000 Miller Electric Mfg. Co. 6/00 Miller Electric Mfg. Co. An Illinois Tool Works Company 1635 West Spencer Street Appleton, WI 54914 USA International Headquarters–USA USA Phone: 920-735-4505 Auto-Attended USA &...