Sequence Of Operation - ESAB Powercut 875 Instruction Manual

sectIon 5
5.8

sequence of operatIon

a. trIGGer lock "unlock" position
TORCH SWITCH
GAS SOLENOID VALVE
PRESSURE SWITCH
FAULT OVERLOAD 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 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
213
maIntenance
RELEASE
CLOSE
10 SEC
Postflow
OPEN