Design and function
Machine cooling
099-005221-EW501
16.04.2014
5.1.1 Protective flap, welding machine control
Figure 5-1
• Push the right-hand bracket of the protective cap to the right and remove the protective cap.
5.2 Machine cooling
To obtain an optimal duty cycle from the power components, the following precautions should be
observed:
• Ensure that the working area is adequately ventilated.
• Do not obstruct the air inlets and outlets of the machine.
• Do not allow metal parts, dust or other objects to get into the machine.
5.3 Workpiece lead, general
Risk of burns due to incorrect connection of the workpiece lead!
Paint, rust and dirt on the connection restrict the power flow and may lead to stray
welding currents.
Stray welding currents may cause fires and injuries!
• Clean the connections!
• Fix the workpiece lead securely!
• Do not use structural parts of the workpiece as a return lead for the welding current!
• Take care to ensure faultless power connections!
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