HyPrecision 50S/60S/75S Operator Manual 808690 121
5 – Preventive maintenance
Preventive maintenance
14. Put the hoop into the insertion sleeve with the sharp edge toward the cylinder.
15. Put the push tool into the insertion sleeve with the stepped end up. Tap the push tool sleeve with a rubber
mallet until the push tool contacts the sleeve.
Hold the sleeve tightly in the cylinder while tapping the push tool.
16. Remove the seal insertion push tool, the sleeve, and the locator.
17 . Make sure that the hoop edges are even with the surface of the cylinder. If the edges are not even with the
surface of the cylinder, put the nonstepped end of the push tool on the hoop and tap the push tool with a
rubber mallet.
18. Put the end of the check valve into the seal. Tap on the small end of the check valve with a rubber mallet until
it is touching the cylinder end.
19. Turn the cylinder over so the check valve is on the bottom. Put 1 hand under the bore at the bottom of the
cylinder to catch the spacer tool and to prevent the spacer tube from sliding out.
20. Use the same procedure to install the second seal and the hoop in the high-pressure cylinder.
21. Slide the cylinder and the check valve on to the plunger by pushing on the end of the check valve until the
cylinder is touching the seal housing.
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