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36
NOTES:
1.
When the torch switch is depressed during postflow period, the postflow and preflow times are canceled,
and the HF is energized immediately. The postflow time starts from the moment the torch switch is
released.
2.
When the amber fault pilot light comes on, cutting operation should be stopped.
PUSH
RELEASE
TORCH SWITCH
OPEN
CLOSE
GAS SOLENOID VALVE
PREFLOW
FLOW SWITCH
CLOSE
FAULT OVERLOAD LIGHT
HF CIRCUIT
INVERTER
CUTTING ARC (CURRENT)
ENERGIZE
10 SEC
Postflow
OPEN
2 SEC.
6.3
SEQUENCE OF OPERATION
SECTION 6
TROUBLESHOOTING
Summary of Contents for HandyPlasma 550
Page 4: ...4 TABLE OF CONTENTS ...
Page 12: ...20 SECTION 2 DESCRIPTION ...
Page 22: ...30 SECTION 5 MAINTENANCE ...
Page 27: ...35 SECTION 6 TROUBLESHOOTING ...
Page 30: ...12 5 4 2 17 14 3 11 7 8 16 10 9 13 6 15 SECTION 7 REPLACEMENT PARTS ...
Page 32: ...40 NOTES ...
Page 33: ...41 NOTES ...
Page 34: ...42 NOTES ...