Hypertherm HyIntensity Fiber Laser Rev.3 - Manual (Page 144)

setup and OperatiOn
3-36 Hypertherm Fiber Laser Instruction Manual – 807090 Revision 3
Adjust side jet pressure
For cutting mild steel thicker than 3 mm, the side jet quickly clears molten material from the pierce location and helps
create clean pierce holes. An optimum pressure setting for the side jet is critical. If the pressure is too low, the molten
material is not effectively cleared and the pierce hole can be too large. If the pressure is too high, the oxygen in the side
jet can cause uncontrolled burning at the pierce location and the pierce hole may be too large. The side jet gas pressure
can be increased or decreased by turning the pressure regulator clockwise or counter clockwise respectively.
• Pull the pressure regulator knob to unlock. An orange
mark appears in the gap when the pressure regulator
knob is unlocked.
• Turn the knob clockwise to increase side jet pressure
or counterclockwise to decrease the side jet
pressure.
• Push the pressure regulator knob to lock. If it is
difficult to lock the knob, turn it left and right a little
and then push it again. The orange mark will no
longer be visible when the knob is locked.
Pressure
regulator
knob
Note: The side jet pressure is set to 0.3 MPa (3.0 bar, 43.5 psi) at the factory.