Hypertherm DynaMAX 550P, Operator'S Manual

Page: 71 / 224

Preventive maintenance
4
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.

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