Hypertherm HyPrecision 15, Operator'S Manual

Page: 104 / 194

104 HyPrecision15/30/50 Operator Manual 808240
5 – Preventive maintenance
Preventive maintenance
Disassemble the intensifier
Preventive maintenance on the intensifier involves accessing various assemblies at specified intervals.
Remove the output adapter and high-pressure poppet assembly
Required tools, materials, and parts
Clean, lint-free towel
Isopropyl alcohol
Two 1-inch open-ended wrenches
6-inch cotton-tipped applicators (included in the HyPrecision standard tool kit)
1. Use an open-ended wrench to loosen the output adapter.
2. Remove the output adapter from the check valve.
3. Use a cotton-tipped applicator to guide the poppet seat out of the check valve. Tap the output adapter gently on a
wooden or other soft surface to eject the spring and the poppet from the output adapter.
4. Clean each part with a lint-free towel and isopropyl alcohol.
5. Examine all parts for deterioration, corrosion, or damage.

The high-pressure seat can cause cracks, erosion marks, or indents in the output adapter.
6. Clean and examine parts that will be replaced to identify wear patterns or damage that can signify other problems.

If any of the poppet parts are damaged, replace all 3.
Replace these parts
After this many hours
of operation
High-pressure poppet assemblies 1,000
Output adapters 6,000
Do not use soap, detergent, or solvents.
1
2
3
4
1 High-pressure poppet seat
2 High-pressure poppet
3 High-pressure poppet spring
4 Output adapter