HyPrecision Predictive waterjet pump Operator Manual 810120 161
7 – Troubleshooting
Troubleshooting
The thimble filter on the on/off valve is defective.
Repair or replace the thimble filter.
There is a blockage in the high-pressure tubing.
Remove the blockage from the high-pressure tubing.
There is a problem in the high-pressure end.
Check the temperature of the output adapter. If it is hot, examine the high-pressure poppet and the
high-pressure poppet seat.
Check the temperature of the bleed-down valve. If it is hot or if water is coming out of the drain hose,
repair or replace the bleed-down valve.
Check the temperature of the high-pressure cylinders. If 1 is hot, disassemble it and look for flaws,
deterioration, erosion marks, or cracks in the parts, including the check valve and piston seal.
The orifices are not the correct size or too many are being used.
Make sure that the number of orifices and their sizes are sufficient for the pump’s output.
A hydraulic piston seal is worn or damaged.
Contact a Hypertherm Technical Service Associate for information and support.
The intensifier strokes but there is not enough pressure at the cutting head
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