Miller Diamondback Serie Manual Del Operador página 10

B. Connecting Torch With Two-Piece Cable
If applicable, install high-frequency unit.
Torch Without Gas Valve
7
Torch With Gas Valve
Tools Needed:
5/8, 7/8 in
C. Connecting Torch With Flow-Through Type Connection
If applicable, install high-frequency unit.
Torch Without Gas Valve
6
Ref. ST-802 540-A
OM-1600 Page 6
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803 314
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803 664-A
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Tools Needed:
5/8, 7/8 in
Turn Off welding power source, and
disconnect input power before in-
stalling torch.
Obtain the following hose:
1 Gas Hose With 5/8-18 Right-
Hand Fittings
Connections:
2 Regulator/Flowmeter
3 Gas Cylinder
4 Welding Power Source
5 Torch Gas-In Hose
6 Torch Power Cable
7 Work Clamp
Connect work clamp to a clean,
paint-free location on workpiece,
close to weld area.
Use wire brush to clean weld joint
area.
8 Foot Control
9 Gas Valve
Valve controls gas preflow and
postflow. Open valve on torch just
before welding.
Preflow is used to purge the imme-
diate weld area of atomsphere.
Postflow is required to cool tung-
sten and weld, and to prevent con-
tamination of tungsten and weld. Af-
ter welding, leave valve open about
1 second for every 10 amperes of
weld current. Close valve on torch
when postflow is finished.
Turn Off welding power source, and
disconnect input power before in-
stalling torch.
Obtain the following hose:
1 Gas Hose With 5/8-18 Right-
Hand Fittings
Connections:
2 Regulator/Flowmeter
3 Gas Cylinder
4 Welding Power Source
5 Gas Valve
6 One-Piece Torch Cable
7 Work Clamp
Connect work clamp to clean, paint-
free location on workpiece, close to
weld area.
Use wire brush to clean metal at
weld joint area.