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Hersteller: LG Dateigröße: 2.75 mb Dateiname: Unterrichtssprache:

50 Hz. 60 Hz. 50 Hz. Height (w ithout lifting eyebolt) 25.0" (62.2 cm) 25.0" (62.2 cm) Width 18.8" (48.3 cm) 18.8" (48.3 cm) Depth 32.5" (81.9 cm) 32.5" (81.9 cm) Net Weight 339lbs(154kg) 379lbs(172kg) 363 lbs (165 kg) 400 lbs (181 kg) Shipping Weight 349 lbs (158 kg) 389 lbs (177 kg) 373 lbs (170 kg) 410 lbs (186 kg) NOTE: The 453cc and 553cc may also operate from a 200 (208)- volt a.c. primary input using the 230 volt change over connections. However, when connected to this source (200-volt), the output is derated to 36 volts @ 400 amps (453cc) and to 38 volts @ 500 amps (553cc). The 453cc and 553cc 50 Hz may operate from 380 vac or 415 vac primary input when using the 400 vac change over connection. When using this connection, the output voltage is derated from 38 v to 36 v (453cc) and 42 v to 38 v (553cc). 8 SECTION 1 DESCRIPTION 1.3.2 Volt-Ampere Characteristics The curves shown in Figure 1-1 represent the volt- ampere static characteristics for the power source. These curves show the output voltage available at any given output current from the minimum to the maximum setting of the current control. Figure 1.1 Volt/Ampere Curves 553CC MAX. OUTPUT 453CC MAX. OUTPUT MIN. OUTPUT 1.4 OPTIONAL ACCESSORIES Stick Electrode Holder Assembly (21226) Includes holder, 15-ft. cable, and twist lock connector. Work Cable Assembly, 10-ft. (32995) Includes ground clamp and twist lock connector. Remote Control Receptacle (0558001436) This Remote Control Kit consists of a 14 pin and 19 pin amphenol receptacle and assembly that permits the use of the HC-3B Remote Control, FC-5B Remote Foot Control , or TC-2B Torch Control, as described below for tig welding. The Remote Control Kit also provides a 115 vac 10Amp Receptacle for auxiliary power tools. HC-3B Remote Hand Control (33838) FC-5B Remote Foot Control (33646) TC-2B Remote Torch Control (33839) These controls provide remote output current control and contactor operation. Each control is equipped with 30 ft. (9.1 m) cable/plug assembly that mates with the optional Remote Control Kit described above. The current adjustment is limited to the range as set by the current control on the power source. The contactor and current panel/remote switches on the power source must be in remote position when operating with any of the remote controls. TR-29 Truck Kit (37924) This truck kit provides complete mobility of the power source. The kit consists of front castors, rear cylinder rack and wheels, gas cylinder bracket, cylinder chain, and pull handle. Automatic Fan Kit (36707) With this kit installed, the fan will start to operate when the welding arc is initiated and will continue to run for 5 minutes after the arc has been extinguished. NOTE: This optional kit can only be installed in units manufactured after Serial No. MX-I709000 in which the large R5 resistor was moved from top center of the "A" frame to the base in front of the fan bracket. 1.5 SAFETY Before the equipment is put into operation, the safety section at the front of this manual should be read completely. This will help avoid possible injury due to misuse or improper installation. The definitions relating to the: safety notations are described at the end of the Safety Section in the front of this manual -read them and their specific text references carefully. 9 SECTION 2 INSTALLATION 2.1 LOCATION A proper installation site is necessary for the power source to provide dependable service. A proper installation site permits freedom of air movement through the unit while minimizing exposure to dust, dirt, moisture, and corrosive vapors. A minimum of 18 inches (46 cm) is required between the side and rear panels of the power source and the nearest obstruction. Also, the underside of the power source must be kept completely free of obstructions. The selected site should also allow easy removal of the power source outer enclosure for maintenance. See Table 1.1 for overall dimensions of the unit. 2.2 RECEIVING, UNPACKING AND PLACEMENT A. Immediately upon receipt of the power source, inspect for damage which may have occurred in transit. Notify the carrier of any defects or damage. B. Remove the power source from the container. Remove all packing materials. Check the container for any loose parts. C. Check air passages at front and rear of cabinet, making sure that no packing materials that may obstruct air flow through the power source. D. Install the lifting eyebolt furnished with the power source into the top of the unit. For lifting purposes and for keeping dust, moisture, and other foreign material from entering the power source, the lifting eyebolt must be fully tightened with a tool. E. After selecting an installation site (see paragraph 2.1), place the power source in the desired location. The unit may be lifted either by using the lifting eyebolt or by forklift truck. If a forklift is used for lifting the unit, be sure that the lift forks are long enough to extend completely under the base. Do not use filters on t...

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