HyPrecision 50S/60S/75S Operator Manual 808690 111
5 – Preventive maintenance
Preventive maintenance
Assemble the intensifier
Refer to the Intensifier parts section on page 127 for part numbers. Refer to page 149 for ordering
information.
Repair the hydraulic center section
The hydraulic center section includes the pistons, the plungers, the hydraulic cylinder, the hydraulic end caps, the
low-pressure 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.
CAUTION
Overtightening a fitting can cause it to fail. Use 2 wrenches when loosening or tightening a
high-pressure connection. Using only 1 wrench can increase bending stress to the parts and cause
damage or premature failure.
Review the Safety section, which begins on page 70.
Examine parts that are being replaced to identify wear patterns or damage that can indicate other
problems
Put the parts on a clean, dry, oil-free surface.
Use clean hands when changing high-pressure parts such as high-pressure water seals.
Service Interval
Repair the hydraulic center section After every 12,000 hours of operation
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