Hypertherm Echion User Manual

Preventive maintenance
3
Echion Operator Manual 810770 75
Preventive maintenance
Repair the bleed-down valve
Parts, tools, and materials
Do this task when the pump is not operating.
1. Turn the primary breaker disconnect lever on the electrical enclosure door to OFF.
2. Turn
OFF the utility water to the pump. Make sure that the water pressure gauges
show0.0bar(0kPa/0psi).
3. Turn
OFF the compressed air source.
4. Turn
OFF the electrical main (line disconnect switch). Use standard lock out–tag out procedures.
Repair the bleed-down valve:
 every 1,000 hours.
 if water leaks from the Waste water out connection or from the weep holes while the pump is operating.
Replace the bleed-down valve body every 3,000 hours.
1
2
3
5
6
7
8
9
10
4
11
1 Air fitting
2 Actuator
3 Needle guide
4 Needle
5 High-pressure valve seal
6 Bleed-down valve body
7 Bleed-down valve seat
8 Flow reducer
9 Outlet adapter
10 Tee fitting
11 Plug
1-17434 Bleed-down valve repair kit
1-18311 Bleed-down valve body
3/4-inch open-ended wrench
5/8-inch open-ended wrench
13/16-inch open-ended wrench
1-inch open-ended wrench
1-1/8-inch open-ended wrench
13/16-inch crowfoot wrench
Torque wrench
Clean towels
Isopropyl alcohol

Hypertherm Echion Specifications

General

Brand	Hypertherm
Model	Echion
Category	Water Pump
Language	English