Related Manuals for Hobart DP 3545-20
Summary of Contents for Hobart DP 3545-20
- Page 1 OM-241 877D 2012−05 Processes MIG (GMAW) Welding Description Wire Feeder Spool Gun Spool Gun DP 3545-20 File: Wire Feeder www.HobartWelders.com...
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Page 2: Table Of Contents
..............WARRANTY Hobart is registered to the ISO 9001 Quality... -
Page 3: Section 1 −Safety Precautions For Gmaw Welding Guns − Read Before Using
SECTION 1 −SAFETY PRECAUTIONS FOR GMAW WELDING GUNS − READ BEFORE USING SR7 (MIG) 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 4: Proposition 65 Warnings
1-3. 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 5: Utilisation
SECTION 2 − MESURES DE SÉCURITÉ VISANT LES PISTOLETS DE SOUDAGE GMAW − À LIRE AVANT UTILISATION SR7(MIG)_2011−10fre 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... -
Page 6: Proposition Californienne 65 Avertissements
LES PIÈCES CHAUDES peuvent LES FILS DE SOUDAGE peuvent provoquer des brûlures. provoquer des blessures. D Laisser refroidir le pistolet avant de le toucher. D Éloigner les mains et le corps de la buse du pis- D Ne pas toucher d’objets métalliques chauds. tolet après avoir appuyé... -
Page 7: Section 3 − Installation
SECTION 3 − INSTALLATION 3-1. Specifications Approximate Cooling Maximum Weld Circuit Wire Diameter Range Wire Feed Overall Dimensions Weight Method Spool Size Rating Range .030 Thru .047 in. Length: (0.8 Thru 1.2 mm) 100 Volts, 200 11-1/2 in. (291 mm) Aluminum Wire Amperes, 60% 0 To 1200 ipm... -
Page 8: Installing Wire Spool And Threading Welding Wire
3-3. Installing Wire Spool And Threading Welding Wire Thumb Screw Spool Cover Remove thumb screw and spool Tools Needed: cover. Hub Tension Nut Wire Spool Install spool so wire feeds from top. Turn hub tension nut just so a slight drag is felt on the wire spool. -
Page 9: Section 4 − Operation
SECTION 4 − OPERATION 4-1. Controls Spool Gun/MIG Gun switch must be in Spool Gun position for spool gun to operate. Shielding Gas Cylinder For shielding gas connections, see welding power source Owner’s Manual. Valve Open valve on cylinder just before welding. -
Page 10: Section 5 − Maintenance & Troubleshooting
SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Maintain more often Disconnect power before maintaining. during severe conditions. n = Check Z = Change ~ = Clean l = Replace Reference * To be done by Factory Authorized Service Agent l Unreadable Labels ~ Weld Terminals l Damaged Gas Hose... -
Page 11: Changing Drive Rolls
5-2. Changing Drive Rolls Turn off and disconnect input power. Drive Roll Cover Remove cover. Changing Push Roll: To remove push roll: Push Roll Screw Washer Push Roll Remove screw and washer, and lift out drive roll. To install drive roll: Slide drive roll onto shaft and se- cure with washer and screw. -
Page 12: Changing Liner
5-3. Changing Liner Turn off and disconnect input power. Nozzle Contact Tip Liner Remove and replace liner. Reinstall parts as shown. Tools Needed: Ref. 804 687-A 5-4. Troubleshooting Trouble Remedy Gun tube assembly loose. Tighten nut at base of gun tube assembly. No weld output;... -
Page 13: Gmaw (Mig) Aluminum Welding Hints
5-5. GMAW (MIG) Aluminum Welding Hints Here are several hints to help you be more successful with your new aluminum feed system. MIG welding aluminum requires different techniques than MIG welding mild steel. A. Before You Start Welding Material thickness that can be welded with MIG process or aluminum are 14 ga. [0.074 in. (1.9 mm)] or heavier. (How heavy depends on the output capacity of the welder being used.) To MIG weld aluminum thinner than 14 ga. - Page 14 Maintain a 3/4 in. (19 mm) tip-to-work distance, and have the contact tip recessed approximately 1/8 in. inside the nozzle if possible. See Figure 5-2. Gas Nozzle Ç Ç Ç Ç Ç Ç Ç Ç Contact Tip To Work Ç Ç Ç Ç Contact Tube Recessed 1/8 Distance 3/4 in.
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Page 15: Section 6 − Electrical Diagrams
SECTION 6 − ELECTRICAL DIAGRAMS 186 451 Figure 6-1. Circuit Diagram OM-241 877 Page 13... -
Page 16: Section 7 − Parts List
SECTION 7 − PARTS LIST Hardware is common and not available unless listed. 804 699-A Figure 7-1. Complete Assembly OM-241 877 Page 14... - Page 17 Item Dia. Part Quantity Mkgs. Description Figure 7-1. Complete Assembly ... 186 416 Trigger Switch ...........
- Page 18 Notes...
- Page 19 Effective January 1, 2012 5/3/1 WARRANTY applies to all Hobart welding equipment, plasma cutters and spot welders with a Warranty Questions? serial number preface of MC or newer. Call This limited warranty supersedes all previous Hobart warranties and is exclusive with 1-800-332-3281 no other guarantees or warranties expressed or implied.
- Page 20 Thank you for purchasing Hobart. Our trained technical support team is dedicated to your satisfaction. For questions regarding performance, op- eration, or service, contact us! Resources Available Always provide Model Name and Serial/Style Number. To locate a Service Center: Call 1-800-332-3281 or visit our website at www.HobartWelders.com/wheretobuy...