Preventive maintenance
DynaMAX 550P/560P/575P Waterjet Pump Operator Manual 811390 71
Intensifier (refer to page 96)
Disassembling the intensifier is necessary for some of these procedures (page 99).
To reduce downtime, Hypertherm recommends doing preventive maintenance on both ends of the
intensifier at the same time.
Repair the check valves and the
low-pressure poppets.
Install the high-pressure hoops, the
high-pressure water seals, the
high-pressure cylinders, and the check
valves.
Replace the hydraulic rod seals.
Repair the high-pressure cylinders.
Replace the bleed-down valve poppet
assemblies.
Replace the low-pressure poppets and the
poppet springs.
Replace the check valve assemblies.
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 housing assemblies.
Replace the spacer tubes.
Repair the hydraulic center section.
Bleed-down valve (refer to page 120)
Repair the bleed-down valve.
Replace the bleed-down valve body.
Daily
500
hours
1,000
hours
1,500
hours
3,000
hours
6,000
hours
12,000
hours
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