Fronius TTB 80 G Instructions De Service page 85

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CAUTION!
Danger due to incorrectly fitted torch body.
This can result in damage to property.
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Ensure that the locking device is fully forward after fitting the torch body - only then
is the torch body properly fitted and locked.
Connect the power source to the grid and switch on
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Press the gas-test button on the power source
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Shielding gas flows out for 30 s.
Check the coolant flow:
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You must be able to see a strong return flow into the cooling unit coolant container.
Perform a test weld and check the quality of the weld
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