Hypertherm Echion - Install the High-Pressure Components

Preventive maintenance
3
Echion Operator Manual 810770 69
Preventive maintenance
Install the high-pressure components
1. Use small snap-ring pliers to remove the snap ring from the seal housing.
2. Remove the rod seal spacer.
3. Use an O-ring pick to remove the energized seal spring.
4. Remove the O-ring and the O-ring backup from the seal housing.
5. Clean all surfaces. Examine the seal housing and the high-pressure seal backup. Make sure that
the inner grooves are clean.
Make sure that the weep hole is clear. If necessary, use compressed air to blow debris out.
6. Put high-vacuum grease on the backup ring and the seal housing O-ring.
Replace the seal housing assemblies every 6,000 hours.
CAUTION
Water can enter the hydraulic system if the weep holes in the dynamic seal backup or the seal
housing are blocked. Make sure that there is no debris in the weep holes.
1
2
3
1
4
6
5
1
Seal housing
2
O-ring backup
3
O-ring
4
Energized spring seal
5
Rod seal spacer
6
Snap ring