HyPrecision Predictive waterjet pump Operator Manual 810120 117
5 – Preventive maintenance
Preventive maintenance
19. 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.
20. Turn the cylinder over so that 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.
21. Use the same procedure to install the second seal and the hoop in the high-pressure cylinder.
22. Put 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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