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TOMAHAWK
®
1000
MAINTENANCE
SAFETY PRECAUTIONS
WARNING
ELECTRIC SHOCK CAN KILL.
•
Have an electrician install and service this
equipment.
•
Turn the input power off at the fuse box
before working on equipment.
•
Do not touch electrically hot parts.
ROUTINE mAINTENANCE
1. Keep the cutting or gouging area and the area around the
machine clean and free of combustible materials. No debris
should be allowed to collect which could obstruct air flow to
the machine.
2. Every 6 months or so, the machine should be cleaned with a
low pressure airstream. Keeping the machine clean will result
in cooler operation and higher reliability. Be sure to clean
these areas:
- Printed circuit boards and heat sinks
- Power switch
CAUTION
When using a low pressure air stream, wear appropriate eye
protection.
3. Examine the sheet metal case for dents or breakage. Repair
the case as required. Keep the case in good condition to
insure that high voltage parts are protected and correct
spacings are maintained. All external sheet metal screws
must be in place to insure case strength and electrical ground
continuity.
4. Inspect the cable periodically for any slits or puncture marks in
the cable jacket. Replace if necessary. Check to make sure
that nothing is crushing the cable and blocking the flow of air
through the air tube inside. Also, check for kinks in the cable
periodically and relieve any so as not to restrict the flow of air
to the torch.
PERIOdIC mAINTENANCE
WARNING
ELECTRIC SHOCK CAN KILL.
• Turn off machine at the disconnect switch
on the rear of the machine before
tightening, cleaning or replacing
consumables.
Change consumables as required.
Thermal Protection
Thermal Detection Devices protect the machine from excessive
operating temperatures. Excessive temperatures may be caused
by a lack of cooling air or operating the machine beyond the duty
cycle and output rating. If excessive operating temperatures
should occur, the yellow thermal LED will light and the Detection
Devices will prevent output voltage or current.
These Detection Devices are self-resetting once the machine cools
sufficiently. If the thermostat shutdown was caused by excessive
output or duty cycle and the fan is operating normally, the Power
Switch may be left on and the reset should occur within a 15
minute period. If the fan is not turning or the air intake louvers
were obstructed, then the power must be switched off and the fan
problem or air obstruction must be corrected.
D-1
MAINTENANCE
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