92 HyPrecision Predictive waterjet pump Operator Manual 810120
5 – Preventive maintenance
Preventive maintenance
Measure the air pressure in the water accumulator tank
Parts, tools, and materials
Do this task when the pump is off.
1. Make sure that the water pressure gauges show 0.0 bar (0 kPa / 0 psi).
2. Remove the valve stem cap from the water accumulator tank.
3. Use an air pressure gauge to measure the pressure in the tank.
4. Add compressed air to increase the pressure in the tank. To reduce pressure in the tank, push on the valve
stem to release air.
5. Do this procedure again until the pressure is at the correct value.
6. Install the valve stem cap.
Do this every 500 hours.
Optimal pressure
HyPrecision P-15/P-30/P-50
1 bar (100 kPa / 15 psi)
HyPrecision P-50S/P-60S/P-75S
3.5 bar (350 kPa / 50 psi)
Air pressure gauge (Schrader valve)
Compressed air source
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