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5.4
MIG/MAG welding
5.4.1
Welding torch connection
Equipment damage due to improperly connected coolant lines!
If the coolant lines are not connected or a gas-cooled welding torch is used, the coolant
circuit is interrupted and equipment damage can occur.
•
Connect all coolant lines correctly!
•
When using a gas-cooled welding torch, add a tube bridge to the coolant circuit (see
chapter "Accessories").
Fault with the wire guide!
On delivery, the central connector (Euro) is fitted with a capillary tube for welding
torches with spiral guides. Conversion is necessary if a welding torch with a plastic
core is used!
Welding torch with plastic core:
•
use with guide tube!
Welding torch with spiral guide:
•
use with capillary tube!
Depending on the wire electrode diameter and wire electrode type, either a spiral guide or a
plastic core with the appropriate interior diameter must be inserted into the welding torch!
Recommendation:
•
Use a spiral guide for welding hard wire electrodes (steel).
•
Use a plastic liner for welding or brazing soft wire electrodes.
Preparation for connecting welding torches with a plastic core:
•
Push forward the capillary tube on the wire feed side in the direction of the central connector and
remove it there.
•
Slide plastic core guide tube off the central connector.
•
Carefully insert the central plug for the welding torch, with the still oversized plastic liner, into the
central connector and screw together with crown nut.
•
Use a suitable tool to cut off the plastic liner just before the wire feed roller, making sure not to pinch it.
•
Unfasten and remove the central plug on the welding torch.
•
Cleanly remove the burr from the separated end of the plastic core!
Preparation for connecting welding torches with a spiral guide:
•
Check that the capillary tube is correctly positioned in relation to the central connector!
099-005211-EW501
23.08.2010
CAUTION
NOTE
Design and function
MIG/MAG welding
27
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