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Summary of Contents for Miller Electric ST 44 Series Wire Feeder
- Page 1 OM-216 655K 2012−05 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Wire Feeder ST 44 Series Wire Feeder OWNER’S MANUAL www.MillerWelds.com...
- Page 2 Warranty and 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...
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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
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). -
Page 5: Section 1 − Safety Precautions - Read Before Using
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 2011−10 Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. - 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. BATTERY EXPLOSION can injure. D Do not install or place unit on, over, or near D Do not use welder to charge batteries or jump combustible surfaces. start vehicles unless it has a battery charging feature designed for this purpose. -
Page 8: California Proposition 65 Warnings
1-4. California Proposition 65 Warnings Welding or cutting equipment produces fumes or gases This product contains chemicals, including lead, known to which contain chemicals known to the State of California to the state of California to cause cancer, birth defects, or other cause birth defects and, in some cases, cancer. -
Page 9: Section 2 − Definitions
SECTION 2 − DEFINITIONS 2-1. Warning Label Definitions 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 Hazard
2-2. Electric Shock And Pinch Hazard 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 away. 178937-B 2-3. -
Page 11: Section 3 − 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 12: 14-Pin Plug Information
3-6. 14-Pin Plug 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 13: Installing Wire Guide And Drive Roll
3-8. Installing Wire Guide And Drive Roll Inlet Wire Guide Intermediate Wire Guide Install and secure inlet wire guide, and intermediate wire guide. Drive Roll (4) Install drive rolls and turn drive roll 1−2 nut one click. During maintenance intervals, remove drive rolls, and clean grooves using a wire brush. -
Page 14: Section 4 − Operation
SECTION 4 − OPERATION 4-1. ST 44 Series Panel Controls Voltage Control Purge Control 2T−4T Switch Power ON-OFF Digital Voltmeter/MPM Remote Control Receptacle In-Out Cooling Connections For Torch Torch Connection 10 Panel/Remote Control Switch 11 Wire Speed Control 12 Circuit Breaker 13 Gas In Connector 14 Control Cable Connection 15 Weld Cable Connection... -
Page 15: Section 5 − Maintenance & Troubleshooting
SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Disconnect power before maintaining. 3 Months Repair Or Clean And Replace Replace Tighten Unreadable Cracked Weld Labels Weld Cable Terminals Replace Cracked Parts 14-Pin Cord Gun Cable Gas Hose 6 Months Blow Out Or Vacuum Inside, Clean Drive Rolls During Heavy Service, Clean... -
Page 16: Troubleshooting
5-2. Troubleshooting Problem Solution Unit is completely inoperative. Check continuity of Power switch S1, and replace if necessary. Reset circuit breaker CB1 if open. Check input power source. See welding power source Technical Manual. Wire does not feed, unit completely inop- Turn Power switch On. -
Page 17: Section 6 − Electrical Diagram
SECTION 6 − ELECTRICAL DIAGRAM 956.142.484-C OM-216 655 Page 13... -
Page 18: Section 7 − Parts List
SECTION 7 − PARTS LIST Hardware is common and not available unless listed. Fig. 7-2 956.142.672_B Figure 7-1. ST 44 Complete Assembly (Optional Equipment Shown) OM-216 655 Page 14... - Page 19 Item Dia. Part Description Mkgs. Basic Digital Figure 7−1. ST 44 Complete Assembly ....000058427 Ring ..........
- Page 20 Item Dia. Part Description Mkgs. Basic Digital Figure 7−1. ST 44 Complete Assembly (continued) ....656026084 Hose, gas braided 5x8,5x600 black ..... . .
- Page 21 Item Dia. Part Description Mkgs. Figure 7-2. 4 Roll Wire Drive Assembly (All Models) ..057010051 . . . Motor, Gear 24 V 100W ..........
- Page 22 Table 7-1. 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 23 Effective January 1, 2012 (Equipment with a serial number preface of MC 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 24 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 2012 Miller Electric Mfg. Co. 2012−01...
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