Dewalt DCW100K Instruction Manual - Page 14

English 1. Press the On/Off button (Q) for at least 2 seconds to turn off the welder. The indicators will go off. 2. Insert the current plug of the TIG welding torch into the (-) current socket (A) and turn it clockwise to latch it in place. 3. Set up the welding torch in accordance with the welding torch operating instructions. 4. Insert the current plug of the grounding (earthing) cable into the (+) current socket (B) and turn it clockwise to latch it in place. 5. Use the other end of the grounding (earthing) cable to establish a connection to the workpiece. 6. Press the On/Off button (Q) for at least 2 seconds to turn on the power source. TIG WELDING (FIG. 1) 1. Use the welding process button to select (illuminate) TIG welding. TIG welding 2. Press the setting value button until the welding current indicator ( ) lights up. 3. Select the current using the adjusting dial (P). 4. Carry out welding. IGNITING THE ARC 1. Place the gas nozzle down on the ignition location, ensuring there is a gap of approx. 2 to 3 mm (5/64 to 1/8 in.) between the tungsten electrode and the workpiece. 2. Operate the gas shut-off valve 3. Gradually tilt the welding torch up until the tungsten electrode touches the workpiece. 4. Raise the welding torch and rotate it into its normal position so that the arc ignites. 5. Carry out welding. MAINTENANCE WARNING: To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury. DEWALT recommends that a safety inspection of the device is performed at least once every 12 months. Further details on safety inspection and calibration can be obtained by calling 1-800-4-DEWALT (1-800-433-9258). Cleaning (Fig. 5) WARNING: Blow dirt and dust out of all air vents with clean, dry air at least once a week. To minimize the risk of eye injury, always wear ANSI Z87.1 approved eye protection when performing this. WARNING: Never use solvents or other harsh chemicals for cleaning the non-metallic parts of the tool. These chemicals may weaken the plastic materials) used in these parts. Use a cloth dampened only with water and mild soap. Never let any liquid get inside the tool; never immerse any part of the tool into a liquid. Under normal operating conditions, the device requires only a minimum of care and maintenance. However, it is vital to observe some important points to ensure the device remains in a usable condition for many years. - Check the charger lead, welding torch, welding cable and grounding (earthing) connection for damage. - Check that the device has an all-round clearance of 0.5 m (1 ft. 8 in.) to ensure that cooling air can flow in and out freely. CAUTION: Air inlets and outlets must never be covered, not even partially. Every 2 months. Clean all air filters (C). 14 Page dimensions: A5 (8.2677 x 5.8268 inches)