Related Manuals for Miller ST-24
Summary of Contents for Miller ST-24
- Page 1 OM-238 172E 2011−01 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Wire Feeder ST-24 File: MIG (GMAW) Visit our website at www.MillerWelds.com...
- Page 2 From Miller to You Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.
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Page 3: Table Of Contents
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1. - Page 4 DECLARATION OF CONFORMITY for European Community (CE marked) products. ITW Welding Products Italy S.r.l Via Privata Iseo 6/E, 20098 San Giuliano M.se, (MI) Italy declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s) and Standard(s).
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Page 5: Section 1 − Safety Precautions - Read Before Using
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2010−03 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text. - Page 6 D Remove stick electrode from holder or cut off welding wire at FUMES AND GASES can be hazardous. contact tip when not in use. D Wear oil-free protective garments such as leather gloves, heavy Welding produces fumes and gases. Breathing shirt, cuffless trousers, high shoes, and a cap.
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Page 7: Additional Symbols For Installation, Operation, And Maintenance
1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can injure. D Do not install or place unit on, over, or near D Keep away from moving parts such as fans. combustible surfaces. D Keep all doors, panels, covers, and guards D Do not install unit near flammables. -
Page 8: California Proposition 65 Warnings
1-4. California Proposition 65 Warnings For Gasoline Engines: Welding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to Engine exhaust contains chemicals known to the State of cause birth defects and, in some cases, cancer. (California California to cause cancer, birth defects, or other reproduc- Health &... -
Page 9: Section 3 − Definitions
SECTION 2 − DEFINITIONS 2-1. General Precautionary Label A. Warning! Watch Out! There are possible hazards as shown by the symbols. B. Drive rolls can injure fingers. C. Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects clear. -
Page 10: Electric Shock And Pinch Hazards
2-2. Electric Shock And Pinch Hazards Warning! Watch Out! There are possible hazards as shown by the symbols. Drive rolls can injure fingers. Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects clear. S−178 937−A 2-3. -
Page 11: Symbols And Definitions
2-5. Symbols And Definitions Input Remote Amperes Volts Alternating Current Duty Cycle Degree Of Hertz Circuit Breaker Wire Feed Protection Gas Metal Arc Trigger Hold On Welding (GMAW) Line Connection Purge Trigger Hold Off Gas Input Primary Voltage Burnback Time Positive Voltage Input Read Instructions... -
Page 12: Section 4 − Installation
SECTION 3 − INSTALLATION 3-1. Important Information Regarding CE Products (Sold Within The EU) This equipment shall not be used by the general public as the EMF limits for the general public might be exceeded during welding. This equipment is built in accordance with EN 60974−1 and is intended to be used only in an occupational environment (where the general public access is prohibited or regulated in such a way as to be similar to occupational use) by an expert or an instructed person. -
Page 13: Site Selection
3-4. Site Selection Wire Feeder Lifting Eye Rubber Feet Slot Choose slot that allows all rubber feet to sit securely on top of welding power source. Wire Spool/Reel Gas Cylinder (Customer Supplied) Shielding gas pressure not to exceed 0.500 Mpa (72 PSI). Welding Power Source Do not put feeder where welding wire hits cylinder. -
Page 14: Equipment Connection Diagrams
3-5. Equipment Connection Diagrams CV Welding Power Source With 24 VAC Power CV Welding Power Source Without 24 VAC Power 115 Volts AC /24 Volts AC Power Adapter 14-Pin Control Cord Weld Cable (Required) Work 115VAC Contactor 3-6. 14-Pin Receptacle, Shielding Gas, And Weld Cable Connection Gas Connections Shielding gas pressure not to exceed 0.500 Mpa (72 PSI). -
Page 15: 14-Pin Receptacle Information
3-7. 14-Pin Receptacle Information Pin* Pin Information 24 volts AC with respect to pin G. Contact closure to A completes 24 volts AC contactor control circuit. Circuit common for 24 volts AC circuit. +10 volts DC output to remote control with respect to pin D. Remote control circuit common. -
Page 16: Optional Meter Circuit Board Settings
3-9. Optional Meter Circuit Board Settings Meter Circuit Board DIP Switch S2 Set DIP switch S2 for type of welding power source, and desired wire feed speed display (see illustration). Reinstall wrapper. X Indicates switch position does not affect specified function. Means switch must be in this position. -
Page 17: Installing Wire Guide And Drive Roll
3-10. Installing Wire Guide And Drive Roll Install and secure inlet wire guide, and intermediate wire guide. Install drive rolls and turn drive roll nut one click. During maintenance intervals, remove drive rolls, and clean grooves using a wire brush. Check groove of drive roll for pitting or increase in the depth of the groove indicating drive roll is worn out. -
Page 18: Installing And Threading Welding Wire
3-11. Installing And Threading Welding Wire Retaining Ring Hub Tension Adjustment Nut If necessary, move hub on support for use of a different size wire spool. Remove retaining ring, and install spool so hub pin fits spool hole. Reinstall retaining ring. Adjust tension nut so wire is taut when wire feed stops. -
Page 19: Section 5 − Operation
SECTION 4 − OPERATION 4-1. Front Panel Controls Optional Voltage/Wire Speed Meter Optional Voltage/Wire Speed Switch Use switch to choose volts or wire feed speed display. Optional Remote Voltage Control Use control to set welding power source voltage at the wire feeder. Numbers are for reference only. -
Page 20: Optional Side Panel Controls
4-2. Optional Side Panel Controls Wire Jog Control Use Jog position to momentarily feed welding wire at speed set on Wire Speed control without ener- gizing welding circuit or shielding gas valve. Wire Run-In Control Use control to set wire feed speed before arc is initiated. -
Page 21: Overload Protection
5-2. Overload Protection Turn Off unit and welding power source. Circuit Breaker CB1 CB1 protects wire feeder from overload. Correct problem and manually reset breaker. Ref. 805 227-A 5-3. Troubleshooting Trouble Remedy Wire does not feed, unit completely Turn Power switch On. inoperative. - Page 22 Notes OM-238 172 Page 18...
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Page 23: Section 7 − Electrical Diagram
SECTION 6 − ELECTRICAL DIAGRAM (210 937-A) 956.142.625 Figure 6-1. Circuit Diagram For Wire Feeder With Optional Equipment OM-238 172 Page 19... -
Page 24: Section 8 − Parts List
SECTION 7 − PARTS LIST Fig. 8-2 956.142.644-A Figure 8-1. Main Assembly OM-238 172 Page 20... - Page 25 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Main Assembly ... . . 000151187 . . . Latch ............
- Page 26 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Main Assembly (Continued) ... . . 656043033 . . . Cap, Blanking Nyln Rvc ..........
- Page 27 956.142.644-A Figure 8-2. Drive Assembly, Wire (4 Drive Roll ) Item Dia. Part Mkgs. Description Quantity Figure 8-2. Drive Assembly, Wire(4 Drive Roll) ..057010061 . . . M1 Motor, 24 VAC ..........
- Page 28 Table 8-1. Drive Roll And Wire Guide Kits (4 Drive Roll) Base selection of drive rolls upon the following recommended usages: 1. V-Grooved rolls for hard wire. 2. U-Grooved rolls for soft and soft shelled cored wires. 3. U-Cogged rolls for extremely soft shelled wires (usually hard surfacing types). 4.
- Page 29 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
- Page 30 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
- Page 31 Effective January 1, 2011 (Equipment with a serial number preface of MB or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions 90 Days —...
- Page 32 File a claim for loss or damage during Phone: 39 (0) 2982901 Fax: 39 (0) 298290-203 shipment. email: miller@itw−welding.it For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © ORIGINAL INSTRUCTIONS − PRINTED IN USA 2011 Miller Electric Mfg. Co. 2011−01...
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