Hypertherm Echion - Page 64

Preventive maintenance
3
64 810770 Operator Manual Echion
Preventive maintenance
4. Touch a symbol to move the intensifier plunger to the end you will be working on.
5. On the operator interface, touch the symbol to stop the pump.
6. Turn the primary breaker disconnect lever on the electrical enclosure door to
OFF.
7. Turn
OFF the utility water to the pump. Make sure that the water pressure gauges
show0.0bar(0kPa/0psi).
8. Turn
OFF the compressed air source.
9. Turn
OFF the electrical main (line disconnect switch). Use standard lock out–tag out procedures.
10. Use a 13/16-inch open-ended wrench to disconnect the high-pressure tubing from the
intensifier.
11 . Remove the bleed-down valve. Refer to step 5 though step 10 on page 76.
12. Push the button on the quick-disconnect fitting to remove the low-pressure water line from the
intensifier.
13. Use the breaker bar and the1-1/2-inch12-point socket to remove the endcap nuts. Use a
repeating cross pattern.
14. Remove the end cap.

Hydraulic fluid and water will leak during this procedure. Put towels on the intensifier
bridge under the work area.
It is possible that some water will spray from the connection when this tubing is
disconnected.