Preventive maintenance
Echion Operator Manual 810770 65
15. Pull out the check valve.
16. Pull the high-pressure cylinder off of the plunger.
Make sure that the spacer tube does not fall out. Dropping the spacer tube can cause
damage to it.
17 . Put the cylinder locator tool and the seal installation tool together.
18. Put the tool on the seal housing and turn it clockwise so that the threads engage. Pull the seal
housing assembly off of the plunger.
A small amount of hydraulic fluid could leak from the hydraulic cylinder. This is normal.
Repair the hydraulic center section
The hydraulic center section includes the piston, the hydraulic cylinder, the hydraulic end caps, the
low-pressure seals, the plungers, the T-seals, and the proximity switches.
Preventive maintenance on these parts requires special tools. Contact a Hypertherm Technical
Service Associate for information and support regarding the installation, operation, maintenance,
and repair of this equipment.
Repair the hydraulic center section every 12,000 hours.
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