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D-2
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D-2
CONTACT TIP REPLACEMENT
Each application will dictate the frequency of contact
tip replacement. Higher amperage higher duty cycle
operations will require more frequent contact tip
replacement. The condition of the contact tip greatly
effects the welding performance. A routine tip replace-
ment schedule should be established and adhered to.
For general operations contact tips should be
changed at the beginning of every shift.
LINER REPLACEMENT
Wire condition and plant environment as well as wire
consumption rate dictate how often a liner should be
changed. Smaller wire diameter will require a more
frequent change interval than large diameter opera-
tions. For general operations using .045" dia. wire lin-
ers should be changed after approximately 2000 lbs of
wire use.
TANDEM MIG TORCH