Ht4001 sequence of operation – Hypertherm HT4001 Plasma Arc Cutting System User Manual
Page 133
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MAINTENANCE
HT4001
Instruction Manual
6-7
HT4001 Sequence of Operation
Select O
2
or N
2
as
Plasma gas
(with S1 on Gas Console)
SV1 (in Gas Console) OFF (for O
2
) or
ON (for N
2
)
SV2 (N
2
Preflow), SV3 (O
2
Preflow) in Gas Console ON;
SV5 near torch (Plasma Off), SV6 in RHF Console (Injection Water) ON;
SV4 in Motor Valve Console (Preflow/Operate) OFF (closed);
Gas and water flow.
Select Test Preflow
(with S2 on Gas Console)
In Gas Console, adjust Preflow Plasma gas
(with MV2 (N
2
) and/or MV3 (O
2
))
and Injection Water
(with MV4).
To
Page
6-8
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