Inspection And Cleaning; Troubleshooting - ESAB powercut 700 PT-39 Instruction Manual

US
7.1

Inspection and cleaning

The following points on the power source should be checked and/or cleaned
regularly.
1. Check the return cable connection to the work piece.
2. Check that the protective earth from the work piece is securely connected to the
power source chassis earth.
3. Check the torch heat shield. Replace it if it is damaged.
4. Check the electrode and the nozzle for wear daily. Remove any splash, replace
the electrode and nozzle as necessary. If the electrode has a pit which is more
than 1/8 (3.2 mm) deep at its center, it must be replaced. 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.
5. Check that the cables or hoses are not damaged or bent.
6. Check that all plugs and connections and ground terminals are firmly connected.
7. Ensure that all incoming power supplies are disconnected. Use goggles and face
mask and blow clean the power source internally using dry compressed air at
low pressure .
8. Regularly drain any water from the filter below the air regulators.
8

TROUBLESHOOTING

ELECTRIC SHOCKS CAN KILL ENSURE THAT THE MAINS VOLTAGE SUPPLY TO
THE MACHINE HAS BEEN DISCONNECTED EXTERNALLY. SWITCH OFF THE
SWITCH AT THE MAINS SOCKET BEFORE INSPECTING OR WORKING IN THE
POWER SOURCE.
PLASMA CUTTING EQUIPMENT USES EXTREMELY HIGH VOLTAGES THAT CAN
CAUSE SEVERE INJURY OR EVEN DEATH. OBSERVE EXTREME CAUTION WHEN
WORKING WITH THE COVERS REMOVED.
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© ESAB AB 2012