Hypertherm HyPrecision 100D Instruction Manual page 69

Intensifier Operation
Intensifier does not cycle.
On/Off valve for cutting head is off.
Intensifier is disabled.
Defective shift valve or end of
travel proximity switch.
One of the indicator pins is hung up
as shown by both proximity switch
lights on at the same time.
Proximity switch has failed.
Indicated by both proximity lights
being on at the same time.
Intensifier cycles and oil pressure okay but not enough pressure at head.
Clogged high-pressure filter.
Partial obstruction in HP lines.
Worn hydraulic piston seal.
Too much demand on pump.
Intensifier overstrokes or cycles unevenly.
Various reasons.
Turn cutting head on.
Enable intensifier at display.
Replace if necessary.
Disassemble and repair. Pins must move freely to bottom of
bore.
Replace proximity switch.
Replace HP element.
Correct obstruction.
Rebuild hydraulic center section.
Reduce number or size of orifices.
See Overstroke section in High-Pressure Water.
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