66 HyPrecision Predictive waterjet pump Operator Manual 810120
4 – Operation
Operation
c. Type the number and touch Enter.
Pierce pressure is typically lower than 1,380 bar (138,000 kPa / 20,000 psi).
The minimum water pressure target is 345 bar (34,500 kPa / 5,000 psi). If the water pressure is set to a
lower value, the pump operates at the minimum setpoint. If the pressure is set to 0, an alarm shows on the
screen.
Cooling mode
Cooling mode operates the pump with the intensifier off. This mode is useful for some maintenance procedures.
The pump goes into cooling mode automatically:
When the system encounters a level 1 fault condition
After a specified time (Idle Time) without the intensifier stroking
On the operator interface, touch the C
OOLING MODE symbol.
The bleed-down valve opens to release high-pressure water from the system.
The primary motor is on.
The hydraulic pump operates at minimum pressure.
The intensifier is off.