BAL.0014 • 2019-01-16
EN - 11
WH / WHPP
6 Putting into operation
piece. The light arc and the molten pool are protected by the inert gas (MIG) and the active
gas (MAG).
5.1 Torch neck
The standard torch necks of types ROBO WH 241D, WH 455D and WH 650 are available in
the geometries straight, 22° and 45° bends. Special designs will be manufactured upon
request depending on the application. The uniform separating point at the changeable body
makes all torch necks compatible with one another.
5.2 WH and WHPP replacement torch bodies
The changeable body is the interface between the hose assembly and the torch neck. The
following subassemblies are integrated in the changeable body:
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• Standardized separating point
• Locking mechanics with wire-cutting function
• Check valves of the coolant connections
• EMERGENCY STOP connector
• Pushbutton for currentless wire feed
• Pull motor and transmission unit for WHPP design
Tab. 10
WH and WHPP replacement torch bodies
DANGER
Risk of injury due to unexpected start-up
The following instructions must be adhered to throughout all maintenance, servicing,
assembly, disassembly and repair work:
• Switch off the power source.
• Close off the gas supply.
• Close off the coolant supply.
• Close off the compressed air supply.
• Disconnect the coolant supply and return hoses.
• Disconnect all electrical connections.
DANGER
Risk of injury and device damage when handled by unauthorised persons
Improper repair work and modifications to the product may lead to serious injuries and
damage to the device. The product warranty will be rendered invalid if work is carried out on
the product by unauthorised persons.
• Only qualified personnel are permitted to perform work on the device or system.
