Preventive maintenance
70 810770 Operator Manual Echion
7. Put the seal housing O-ring backup and the seal housing O-ring on the seal housing.
The seal housing O-ring backup has a flat side and a concave side. Make sure the flat side of
the O-ring backup faces the wide end of the seal housing. The O-ring fits into the concave
groove on the O-ring backup.
8. Put the new components in the seal housing, as shown.
9. Use snap-ring pliers to insert the snap ring. Make sure that the snap ring is seated correctly in
the groove.
10. Put the cylinder locator tool and the seal installation tool together.
11 . Put the tool on the seal housing and turn it clockwise so that the threads engage.
12. Put the seal housing on the plunger with the narrow end of the seal housing toward the center
of the intensifier.
13. Turn the seal housing so that the weep hole faces down.
14. Push the seal housing tightly against the hydraulic end cap. You should feel it click.
15. Remove the tool from the seal housing.
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