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SECTION 3
AIR
SUPPLY
POWER
SWITCH
POWER
CORD
F.
For rapid re-starts, such as grate or heavy mesh
cutting, do not release the torch switch. In the
postflow mode, the arc can be re-started immedi-
ately by depressing the torch switch. This avoids
the 2-second preflow portion of the cutting cycle.
Figure 3-2. Recommended Torch Angle of 5° to 15°
12
AIR FILTER - REGULATOR
POWER
LAMP
FAULT
LAMP
AIR HOSE
SAFETY
CONNECTION
INTERLOCK
SWITCH
TORCH SWITCH
CONNECTION
PILOT ARC
CONNECTION
Figure 3-1. PCM-50i Controls
When replacing the nozzle, always inspect the elec-
trode for wear. If less than 11/16" of electrode shaft is
remaining, replace the electrode. If the electrode is
used beyond this recommended wear limit, damage to
the torch and power source may occur. Nozzle life is
also greatly reduced when using the electrode below
the recommended limit. Refer to Figure 3-3.
AIR CHECK
WORK CABLE
TORCH GAS HOSE
CONNECTION
CONNECTION
NOTE
New
Acceptable
Figure 3-3. Electrode Wear Limit
OPERATION
LOCK-IN
OUTPUT
CURRENT
CONTROL
11/16"
WRONG
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