Weldclass Weldforce 136S, Operating Instructions Manual

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4 © Weldclass | E.&O.E.
11.4 Effects of Stick (MMA) Welding on Various Materials .................................................................. 20
11.4.1 High Tensile and Alloy Steels ................................................................................................ 20
11.4.2 Manganese Steels ................................................................................................................ 20
11.4.3 Cast Iron ............................................................................................................................... 20
11.5 Types of Electrodes ...................................................................................................................... 21
11.5.1 MILD STEEL: ......................................................................................................................... 21
11.5.2 CAST IRON: ........................................................................................................................... 21
11.5.3 STAINLESS STEEL: ................................................................................................................. 21
11.6 Suggested Settings for Typical Stick (MMA) Applications ............................................................ 21
11.7 MMA Welding Techniques ........................................................................................................... 22
11.7.1 A Word for Beginners ........................................................................................................... 22
11.7.2 The Welder ........................................................................................................................... 22
11.7.3 Striking the Arc ..................................................................................................................... 22
11.7.4 Arc Length ............................................................................................................................ 23
11.7.5 Rate of Travel ....................................................................................................................... 23
11.8 Making Welded Joints .................................................................................................................. 24
11.8.1 Butt Welds ............................................................................................................................ 24
11.8.2 Fillet Welds ........................................................................................................................... 25
11.8.3 Vertical Welds ...................................................................................................................... 26
11.8.4 Overhead Welds ................................................................................................................... 27
11.9 MMA (Stick) Troubleshooting ...................................................................................................... 28
12 KNOWLEDGE & RESOURCES ............................................................................................................. 30
13 SAFETY .............................................................................................................................................. 30
13.1 Store and Retain this Manual ....................................................................................................... 30
13.2 Important Safety Information ...................................................................................................... 30
13.3 Welding Operation ....................................................................................................................... 30
13.4 Welding Safety Instructions & Warnings ...................................................................................... 32
13.4.1 Personal Safety ..................................................................................................................... 33
13.4.2 Arc Rays can Burn Eyes and Skin .......................................................................................... 33
13.4.3 Noise Can Damage Hearing ................................................................................................. 33
13.4.4 Work Environment Safety .................................................................................................... 34
13.4.5 Electricity Can Kill ................................................................................................................. 34
13.4.6 Fumes And Gases ................................................................................................................. 35
13.4.7 Fire & Explosive Risks ........................................................................................................... 36
13.4.8 Sparks & Hot Metal .............................................................................................................. 36
14 WARRANTY ....................................................................................................................................... 36
14.1 Warranty Information .................................................................................................................. 36