Hypertherm HyPrecision 15, Operator'S Manual

Page: 106 / 194

106 HyPrecision15/30/50 Operator Manual 808240
5 – Preventive maintenance
Preventive maintenance
Remove the high-pressure cylinder assembly and check valve

Install a new plunger bearing every time the high-pressure cylinder is replaced.
Required tools, materials, and parts
Clean, lint-free towel
Isopropyl alcohol
Seal installation tools (included in the HyPrecision standard tool kit)
Rubber mallet
1. Remove the high-pressure cylinder and the check valve from the plunger.
Repair these parts
After this many hours
of operation
Check valves
Low-pressure poppets
High-pressure cylinders
500
Replace these parts
After this many hours
of operation
High-pressure water seals 500
Check valves
Low-pressure poppets
2,000
Low-pressure poppet baskets
High-pressure cylinders
3,000
Spacer tubes 12,000
1 2
3
4
5
6 7 8
2
3
1 Check valve
2 High-pressure hoops
3 High-pressure water seals
4 Low-pressure poppet
5 Low-pressure poppet spring
6 Low-pressure poppet basket
7 Spacer tube
8 High-pressure cylinder