Hypertherm HyPrecision 15, Operator'S Manual

Page: 65 / 194

HyPrecision15/30/50 Operator Manual 808240 65
5 – Preventive maintenance
Preventive maintenance
Every
shift
Every
500
hours
Every
1,000
hours
Every
2,000
hours
Every
3,000
hours
Every
6,000
hours
Every
12 ,000
hours
High-pressure water system
Examine the pump for leaks or damage.


These procedures require disassembling the intensifier. Detailed instructions about disassembling and reassembling the
intensifier begin on page 110.

To reduce downtime, Hypertherm recommends doing maintenance on both ends of the intensifier at the same
time.
Repair the check valves.
Repair the low-pressure poppets.
Replace the high-pressure water seals, the hoops, and the
high-pressure seal backups.
Replace the hydraulic rod seals.
Repair the high-pressure cylinders.

Replace the high-pressure poppet assemblies.
Replace the low-pressure poppets and poppet springs.

Replace the check valves.
Replace the low-pressure poppet baskets.

Replace the high-pressure cylinders.
Replace the plunger bearings.
Replace the indicator pin springs.

Replace the output adapters.
Replace the seal housings.
Replace the indicator pins.

Replace the spacer tubes.

Service the hydraulic center section.
The center section includes the pistons, plungers, hydraulic
cylinder, high-pressure end caps, and proximity switches.
Preventive maintenance on these parts requires special
tools. Hypertherm Technical Service Associates are
available to supply information about maintenance, repair,
and diagnostic support.

Examine the bleed-down valve for leaks or damage.

Service the bleed-down valve.

Replace the bleed-down valve body.
