Sequence Of Operation - ESAB Powercut 650 Manuel D'instructions

SECtIoN 5

5.4 SEquENCE of oPErAtIoN

A. loCK-IN "off" position
TORCH SWITCH
GAS SOLENOID VALVE
FLOW SWITCH
FAULT PILOT LIGHT
HF CIRCUIT
INVERTER
CUTTING ARC (CURRENT)
NotES:
1. When the torch switch is pushed during postflow period, the postflow and preflow times are canceled, and the HF is
energized immediately.
2. When the amber fault pilot light comes on, cutting operation should be stopped. The postflow time starts from the
moment the torch switch is released.
PUSH
OPEN
2 SEC.
PREFLOW
CLOSE
ENERGIZE
121
MAINtENANCE
RELEASE
CLOSE
10 SEC
Postflow
OPEN