Service Precautions - ESAB Precision Plasmarc IEFC-S PT-24 Installation, Operation And Maintenance Manual

SECTION 1

1.7 Service Precautions

WARNING
CAUTION
CAUTION
1-12
Hazardous voltages. Electric shock
can kill.
•
Do NOT touch plasma torch, cutting table or
cable connections during plasma cutting
process.
•
Always turn power off to plasma power supplies
before touching or servicing plasma torch.
•
Always turn power off to plasma power supplies
before removing covers or panels to service any
system component.
•
Do not touch live electrical parts.
•
Keep all panels and covers in place when
machine is connected to power source.
•
Keep gloves, shoes, clothing, work area, and
equipment dry.
•
Inspect power and ground leads cables for
wear or cracking. Replace worn or damaged
cables. Do not use if damaged.
•
Never bypass safety interlocks.
•
Follow lock-out procedures.
Establish and adhere to preventive maintenance. A
composite program can be established from
recommended schedules.
Avoid leaving test equipment or hand tools on
machine. Severe electrical or mechanical damage
could occur to equipment or machine.
Extreme caution should be used when probing
circuitry with an oscilloscope or voltmeter.
Integrated circuits are susceptible to over voltage
damage. Power off before using test probes to
prevent accidental shorting of components.
All circuit boards securely seated in sockets, all
cables properly connected, all cabinets closed and
locked, all guards and covers replaced before
power is turned on.
PT-24 Precision Plasma System IEFC-S
SAFETY