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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.
SECTION 1 – SAFETY PRECAUTIONS – READ BEFORE USING 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 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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HOT PARTS can burn. WELDING can cause fire or explosion. � Do not touch hot parts bare handed. � Allow cooling period before working on equipment. Welding on closed containers, such as tanks, drums, or pipes, can cause them to blow up. �...
� Never weld on a pressurized cylinder—explosion will result. CYLINDERS can explode if � Use only correct compressed gas cylinders, regulators, hoses, damaged. and fittings designed for the specific application; maintain them Compressed gas cylinders contain gas under high and associated parts in good condition. pressure.
� To reduce possible interference, keep weld cables as short as ARC WELDING can cause possible, close together, and down low, such as on the floor. interference. � Locate welding operation 100 meters from any sensitive electronic equipment. � Electromagnetic energy can interfere with sensitive electronic equipment such as microprocessors, �...
SECTION 2 – CONSIGNES DE SÉCURITÉ - LIRE AVANT UTILISATION Pour écarter les risques de blessure pour vous-même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
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� S’assurer que tous les panneaux et couvercles sont correctement LES ACCUMULATIONS DE GAZ en place. risquent de provoquer des blessures � Fixer le câble de retour de façon à obtenir un bon contact métal- ou même la mort. métal avec la pièce à souder ou la table de travail, le plus près possible de la soudure.
� Brancher le câble de masse sur la pièce le plus près possible de � Les porteurs d’implants médicaux doivent consulter leur médecin la zone de soudage pour éviter le transport du courant sur une lon- et le fabricant du dispositif avant de s’approcher de la zone où se gue distance par des chemins inconnus éventuels en provoquant déroule du soudage à...
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� Affûter l'électrode au tungstène uniquement à la meuleuse dotée LIRE LES INSTRUCTIONS. de protecteurs. Cette manœuvre est à exécuter dans un endroit sûr lorsque l'on porte l'équipement homologué de protection du vi- � Lire et appliquer les instructions sur les étiquettes sage, des mains et du corps.
2-4. Proposition californienne 65 Avertissements AVERTISSEMENT – Ce produit peut vous exposer à des pro- Pour plus d’informations, consulter www.P65Warnings.ca.gov. duits chimiques tels que le plomb, reconnus par l’État de Californie comme cancérigènes et sources de malforma- tions ou d’autres troubles de la reproduction. 2-5.
Information About Default Weld Parameters And Settings NOTICE – Each welding application is unique. Although certain Miller Electric products are designed to determine and default to certain typical welding parameters and settings based upon specific and relatively limited application variables input by the end user, such default settings are for reference purposes only;...
SECTION 4 – INSTALLATION 4-1. Removing MIG Gun From Welding Power Source Step 1. Turn off power. Step 2. Cut off end of wire. Step 3. Open pressure assembly. Step 4. Rewind wire onto spool. Fasten end of wire to spool. �...
4-2. Connecting Spool Gun To Millermatic 211 1 Drive Assembly 2 Gun Trigger Plug 3 Gun Trigger Receptacle Route gun trigger plug through front panel. Insert plug into receptacle, and tighten threaded collar. � Be sure that gun end is tight against drive assembly.
4-3. Connecting Spool Gun To Millermatic 211 Auto-Set 1 Drive Assembly 2 Spool Gun 3 Gun Securing Knob 4 Gun End 5 Exposed O-Rings Loosen thumbscrew. Insert end through opening until it bottoms against drive assem- bly. Tighten gun securing knob. Spool gun must be inserted completely to prevent leakage of shielding gas.
4-4. Connecting Spool Gun To Multimatic 200 (Starting w/SN MF364047N) 1 Gun Securing Knob 2 Gun Block 3 Gun Outlet Wire Guide 4 Gun End Loosen knob. Insert end of gun through opening in front panel until gun end bot- toms against gun block.
4-5. Connecting Spool Gun To Multimatic 215 1 Gun Securing Knob 2 Gun Block 3 Gun Outlet Wire Guide 4 Trigger Control Cable 5 Gun End 6 Exposed O-rings Loosen knob. Insert end of gun through opening in front panel until gun end bot- toms against gun block.
4-6. Installing Wire Spool And Threading Welding Wire 1 Thumb Screw 2 Spool Cover Remove thumb screw and spool cover. 3 Hub Tension Nut 4 Wire Spool Install spool so wire feeds from top. Turn hub tension nut just so a slight drag is felt on the wire spool.
SECTION 5 – OPERATION SECTION 2 OPERATION 2-1. Controls For Millermatic 211 5-1. Controls For Millermatic 211 1 Shielding Gas Cylinder For shielding gas connections, see welding power source Owner’s Manual. 2 Valve Open valve on cylinder just before welding. Close valve on cylinder when finished welding.
5-2. Controls For Millermatic 211 Auto-Set Models ™ Rear View 274604-A / 270208-A Turn control to select desired weld process. operation. This light will also communicate 1 Shielding Gas Cylinder additional unit errors. 5 Perform Motor Calibration For shielding gas connections, see welding 8 Power Light power source Owner’s Manual.
2-3. Controls For Multimatic 200 (Starting w/SN MF364047N) 5-3. Controls For Multimatic 200 (Starting w/SN MF364047N) 1 Shielding Gas Cylinder For shielding gas connections, see welding power source Owner’s Manual. 2 Valve Open valve on cylinder just before welding. Close valve on cylinder when finished welding.
2-4. Controls For Multimatic 215 5-4. Controls For Multimatic 215 Ref. 271491A / 275178A 1 Shielding Gas Cylinder See the Multimatic 215 Owner’s Manual for 7 Material Thickness Buttons Spoolmate motor calibration procedure. For shielding gas connections, see welding Press the Plus (+) or Minus (-) button to se- power source Owner’s Manual.
SECTION 6 – MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Complete Parts List is available at www.MillerWelds.com Disconnect power before maintaining. A complete Parts List is available at www.MillerWelds.com � Maintain more often during severe conditions. SECTION 6 MAINTENANCE AND TROUBLESHOOTIN �...
6-2. Changing Drive Rolls Turn Off power at welding power source first. 1 Drive Roll Cover Remove cover. Changing Push Roll: To remove push roll: 2 Push Roll Screw 3 Washer 4 Push Roll Remove screw and washer, and lift out drive roll.
6-3. Changing Liner Turn Off power at welding power source first. 1 Nozzle tools/ 2 Contact Tip 3 Liner Remove and replace liner. allen_wrench allen_set flathead philips head Reinstall parts as shown. Ref. 804 985-A pliers needlenose knife steelbrush nutdriver 6-4.
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B. Welding Techniques � Make sure the welding power source is set up to weld DCEP (DC Electrode Positive). � For MIG welding aluminum you need to use a 10 to 15 degree push travel angle (tip and nozzle pointing in the direction of travel). See Fig- ure Figure 6-1.
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C. Common Problems/Troubleshooting � Melt through caused by over heating the base material. – Increase travel speed. Use sequencing to make shorter welds. – Sequence welds. – Use thicker material, change joint design or welding process to AC TIG. – Eliminate or reduce gaps. �...
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Effective January 1, 2022 (Equipment with a serial number preface of NC or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or war- ranties expressed or implied. � Field Options (NOTE: Field options are cov-...
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