Lincoln Electric TOMAHAWK 1025 Manual De Instrucciones página 7

Primary Gas Pressure Gauge and
Regulator Knob:
Allow to regulate and monitoring the
primary gas pressure.
The inlet primary gas pressure is limited
by this pressure regulator, set at factory
TH1025
at 5.5bar. In case to adjust the gas
pressure, put the machine in Purge
mode.
TH1538
Cutting Operating Mode Selection:
Press the pushbutton to select the
desired operating mode (the "ON" LED
indicates the selected mode):
•
CUT (top LED ON): for cutting or
piercing operations on a solid work
piece.
•
GRID (middle LED ON): for cutting
operations on a grid work piece.
•
GOUGE (bottom LED ON): for
removing material from a solid work
piece (e.g.: removing a failed welded
bead).
It is possible change the Operating Mode
with the machine at idle and also during
the Purge, Post Flow and Cooling time.
Pressing the pushbutton during Pilot Arc
or Cutting time has no effects.
Error condition list.
If occurs, try to turn Off the machine, wait for a few
seconds, then turn ON again. If the error remains, a
maintenance is required. Please contact the nearest
technical service center or Lincoln Electric and report the
LED Status found on the machine Front Panel.
On
This occurs if after 4seconds the Pilot Arc
isn't transfered to the workpiece.
machine stops the pilot arc to avoid
overheating on the Torch Head.
Head Torch
To restore the machine:
•
Release the Torch Trigger
pushbutton. The blinking LEDs are
now permanently ON
•
Press again the release the Torch
Trigger pushbutton.
English
Blink Blink
The
On
The Torch Trigger pushbutton is pressed.
During this period the machine try to start
the pilot arc for 4 times. If the pilot arc
doesn't start the machine automatically
goes in a safe condition that allow to
check as necessary.
No pilot arc
estabilished
To restore the machine:
•
Turn OFF the Power switch.
•
Check the correct placement of the
Torch Head consumables and parts.
•
Check the Torch electrical
connections.
•
Turn ON again the machine.
On
This occurs if the machine is switched
ON (or if it restart after cooling time) with
the Torch Trigger pushbutton hold. This
status
conditions:
processes must be started ONLY under
the direct control of the operator.
Trigger
Pushed To restore the machine:
•
Release the Torch Trigger
pushbutton.
•
Press again the Torch Trigger
pushbutton.
If this error condition persist check for
eventual malfunctions of the the Torch
Trigger pushbutton.
Rear Panel Controls and Connections
A. Fan: This machine has a
F.A.N. (Fan As Needed)
circuitry inside: the fan is
automatically turned ON or
OFF. This feature reduces
the amount of dirt which can
be drawn inside the machine
and reduces power
consumption. When the
machine is turned ON the fan
will turn ON. The fan will
continue to run whenever the
torch trigger pushbutton is
pressed. If the torch trigger pushbutton is released
for more than five minutes, the fan will turn OFF.
B. Power Switch: It turns ON / OFF the input power to
the machine.
C. Input cable: Connect it to the mains.
D. Gas Inlet: Connect here the hose carrying the gas
to the machine.
4
On On
On On
avoids unsafe operating
manual cutting or gouging
English
On