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LINCOLN ELECTRIC EUROPE
Service Notice N° : ESN0061
Date:
Problems with welding at low temperatures.
Product
SPEEDTEC-180C
SPEEDTEC-200C
Be sure that only qualified individuals perform all installation, operation,
maintenance and repair procedures.
damages caused by improper installation, improper care or abnormal operation.
Before opening or disassembling any parts of the product, the power must be
turned OFF and the product must be disconnected from the input power source.
Only Lincoln trained service technicians are authorized to perform these
modifications.
Explanation of the Problem
Temperature below 10° C makes that Y027-1 working not stable.
Verification of the Problem
If the Speedtec 180 or Speedtec 200 can't welding at low temperature this instruction is
valid.
Rev. 0
16FEB2015
K Number
K14098-1
K14099-1
Code Number
50268
50269
WARNING
Lincoln Electric is not responsible for
1
Serial Numbers
Below P11309XXXXX
Below P11309XXXXX
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Summary of Contents for Lincoln Electric SPEEDTEC-180
- Page 1 Be sure that only qualified individuals perform all installation, operation, maintenance and repair procedures. Lincoln Electric is not responsible for damages caused by improper installation, improper care or abnormal operation. Before opening or disassembling any parts of the product, the power must be turned OFF and the product must be disconnected from the input power source.
- Page 2 Correction of the Problem Step 1 Disassemble the handles.
- Page 3 Step 2 Disassemble the lower corners and case. Step 3 Disconnect all plugs and wire connections. Cut the harness strips.
- Page 4 Step 4 Unscrew PCB.
- Page 5 Step 5 Find integrated circuit V82 on PCB and remove solder mask from copper in the place shown below. Step 6 Tin the uncovered copper and solder capacitor 100n 0805 50V X7R 5%. Step 7 Check the circuit continuity: (V82 pin 13) VCC VCC: yes (V82 pin 12) GND GND: yes...
- Page 6 Step 8 Fasten the Y027, connect all plugs and wire connections. Fasten harness and gas hose using harness strips. Insulate output cable by shrinkable insulator. Caution! Output cable must be tightened well! Step 9 Assemble the case.
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