HyPrecision Predictive waterjet pump Operator Manual 810120 67
4 – Operation
Operation
Stop the pump
Emergency
The electrical interlock is part of the emergency stop circuit. If the top cover is opened while the pump is on, the
result is the same as pushing the EMERGENCY STOP button.
The emergency stop is intended for stopping the controls immediately to prevent injury or to reduce the risk of
injury to personnel, machinery, or work in progress. It is not the preferred method of turning off the pump.
On the operation panel, push the EMERGENCY STOP button.
The control circuit turns off, which turns off the pump, the primary motor, and the intensifier.
The bleed-down valve opens to release high-pressure water from the system.
After a short period, the low-pressure water valve opens to release low-pressure water from the system. This
period is user-adjustable. Refer to Stop-procedure Timers on page 221.
The CONTROLS ON button indicator light turns off.
The EMERGENCY STOP button must be reset before the equipment can be turned on. Turn the button
clockwise until it releases.
Typical
On the operator interface, touch the STOP symbol.
The bleed-down valve opens to release high-pressure water from the system.
After a short period, the low-pressure water valve opens to release low-pressure water from the system. This
period is user-adjustable. Refer to Stop-procedure Timers on page 221.
End of day
1. Turn the primary breaker disconnect lever on the electrical enclosure door to
OFF.
2. Turn
OFF the water to the pump.
3. Clean all debris, water, and hydraulic fluid off of the top and bottom decks.
WARNING
The EMERGENCY STOP button does not disconnect main electrical power from the machine.
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