Fitting the OPT / i MHP WireBrake and torch body
Safety
CAUTION!
Risk of burns from hot torch body, hot torch body coupling and other hot welding
torch components.
Before starting work on the torch body, the torch body coupling and all other welding
torch components:
▶
Allow the torch body, torch body coupling and all other welding torch components to
cool down to room temperature (+25 °C, +77 °F)
▶
Wear electrically insulated and heat protective gloves
▶
Use a suitable tool
Prerequisites for
operation
NOTE!
OPT/i MHP WireBrake only secures a wire electrode if a torch body is correctly fit-
ted to the OPT/i MHP WireBrake.
System requirements: The wirefeeder of the WF 15i/25i/30i R (PAP) series with the
"16 bar gas purging" option.
NOTE!
To ensure that the WireBrake option functions correctly, wait for 4 seconds after
deactivating the "WireBrake on" signal before activating another signal.
Compressed air
supply specifica-
tions
The compressed air supply of the OPT/i MHP WireBrake is provided through the hosep-
ack.
Observe the following specifications:
- Compressed air supply of at least 5 bar (72 psi)
- Compressed air supply for aluminium max. 7 bar (102 psi), for all other materials
max. 16 bar (232 psi)
- Compressed air is free of oil
- Compressed air is free of dust – no dirt particles larger than 5 mm
- Compressed air is free of water
Recommendation: use a filter unit with a pressure regulator.
Remedying the
clamping marks
on the wire elec-
trode
NOTE!
When securing the wire electrode in the OPT/i MHP WireBrake, small clamping
marks can occur on the wire electrode.
▶
To remedy the clamping marks, cut off the wire electrode after securing.
Calculation of the cut-off point = torch body length + 50 mm (1.97 in.)
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