Summary of Contents for Miller ST 44 Series Wire Feeder
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OM-216 655G 2009−06 Effective with serial number: 250 950 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Wire Feeder ST 44 Series Wire Feeder OWNER’S MANUAL www.MillerWelds.com...
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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.
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 declare that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s) and Standard(s). Product/Apparatus Identification: Product Stock Number...
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2007−04 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.
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D Do not use welder to thaw frozen pipes. FUMES AND GASES can be hazardous. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use. Welding produces fumes and gases. Breathing D Wear oil-free protective garments such as leather gloves, heavy these fumes and gases can be hazardous to your shirt, cuffless trousers, high shoes, and a cap.
1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. 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.
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 &...
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.
2-3. WEEE Symbol (For Products Sold Within The EU) Do not discard this product with general waste. Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collec- tion facility. Contact your local recycling office or your local distributor for further information.
SECTION 3 − INSTALLATION 3-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on back . Use rating label to determine input power requirements and/or rated output. For future reference, write serial number in space provided on back cover of this manual. 3-2.
3-5. 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.
3-7. Installing Wire Guide And Drive Roll Inlet Wire Guide 1−2 Intermediate Wire Guide Install and secure inlet wire guide, and intermediate wire guide. Drive Roll (4) Install drive rolls and turn drive roll nut one click. During maintenance intervals, remove drive rolls, and clean grooves using a wire brush.
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 Flowmeter In-Out Cooling System 10 Torch Connection 11 Panel/Remote Control Switch 12 Wire Speed Control 13 Circuit Breaker 14 Gas In Connector 15 Control Cable Connection 16 Weld Cable Connection...
4-2. Run-In Control and Burnback Control Run-In Control Use control to set wire feed speed before arc initiation After arc initiation, wire feed speed is controlled by the wire feed speed control on the front control panel. Burnback Control Control adjusts the time welding wire is energized after wire feed stops.
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.
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Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual. OM-216 655 Page 14...
SECTION 7 − PARTS LIST Hardware is common and not available unless listed May 2009 Figure 7-1. ST 44 Complete Assembly (Optional Equipment Shown) OM-216 655 Page 16...
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Item Dia. Part Description Mkgs. Basic Digital Ultra−Lite Figure 7−1. ST 44 Complete Assembly ....000058427 Ring ......... .
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Hardware is common and not available unless listed May 2009 Figure 7-2. 4 Roll Wire Drive Assembly (All Models) Item Dia. Part Description Mkgs. Figure 7-2. 4 Roll Wire Drive Assembly (All Models) ....057010051 Drive Motor, 24 VDC, 100w .
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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.
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Effective January 1, 2009 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 — Parts below, ITW Welding Products Italy warrants to its original retail...
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