Miller Electric HF-251D-1 Welding System User Manual


 
OM-611 Page 13
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Y Turn Off HF Unit and welding
power source, and discon-
nect input power before
making connections. Stop
engine on welding genera-
tors.
Y Not connecting work cables
to HF Unit will damage power
source. Always connect
work cables to Work Input/
Output terminal.
1 Electrode In Terminal
Open left side panel. Connect elec-
trode cable from welding power
source to Electrode-In Terminal.
2 Electrode Out Terminal
Connect torch cable to Electrode-
Out Terminal.
3 Work Input/Output Terminal
Connect the work cables from the
welding power source and the work
clamp to the Work Input/Output ter-
minal. Close and secure left side
panel.
ssb2.2 11/92 − Ref. S-0752 / Ref. 098 956-D
Tools Needed:
3/4 in
ELECTRODE IN ELECTRODE OUT
WORK
INPUT/OUTPUT
12
3
S-168 309
CAUTION
NOT CONNECTING WORK
CABLES TO HF unit will damage
welding power source or welding
generator.
Welding Power
Source Or
Generator
Work
ALWAYS connect WORK cables to
this terminal for HF protection.
HF Unit
Work
WORK ELECTRODE
3-7. Connecting To Weld Output Terminals