Lincoln Electric TANDEM IM666-A, Руководство оператора

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A-3
INSTALLATION
TANDEM MIG TORCH
A-3
CABLE ASSEMBLY
Three cable assemblies deliver the necessary power
and cooling fluids to the torch.
a) G3494-X Series:
Two of the cable assemblies supply power, wire and
water cooling to each side of the torch. The third
bundle is made up of the nozzle water cooling
hoses, the air blast line and the shielding gas line.
b) G3494-XA Series:
Two of the cable assemblies supply power, wire,
shielding gas and water cooling to each side of the
torch. The third bundle is made up of the nozzle
water cooling hoses and the air blast line.
Torch liners must be ordered separately (see ACCES-
SORIES section). Customers who choose to run with
different size wires in the lead and trail must use the
correct liner for each wire.
CONSUMABLES
Heavy duty contact tips (KP2020 and KP2021 series)
are recommended for all welding applications (see
ACCESSORIES section). Standard or tapered contact
tips should only be considered in special applications
operating at low power.
Use only Tandem MIG diffusers with the Tandem MIG
torch (see ACCESSORIES section). The Tandem
MIG diffusers feature a narrow profile that prevents
internal short circuits.
All of the gas nozzles (see ACCESSORIES section)
also feature internal water cooling to assure a long life
of the torch and nozzle. Water cooling of the nozzle
reduces spatter accumulation. Nozzles are available
for welding in locations where space is restricted while
other nozzles are suitable for high deposition welding.
Inside each nozzle is a shield to prevent spatter from
bridging from the diffusers to the nozzle wall. The
shield is made from a high temperature, glass-epoxy
composite, or ceramic high temperature glass.
MOUNTING BRACKETS
A bracket for mounting the torch to a robot is available
(see ACCESSORIES section). The bracket features
an insulating plate to electrically isolate the torch from
other equipment. The insulating plate also serves as
a breakaway piece in the event of a severe collision.