102 HyPrecision 50S/60S/75S Operator Manual 808690
5 – Preventive maintenance
Preventive maintenance
Remove the high-pressure cylinder assembly and the check valve
Required parts, tools, and materials
Clean, lint-free towels
Isopropyl alcohol
Seal installation tools (included in the HyPrecision standard tool kit; refer to
Tools on page 74)
Rubber mallet
Service Interval
Repair the check valves and the low-pressure poppets
(page 107)
After every 500 hours of operation
Repair the high-pressure cylinders (page 109)
Replace the check valve O-rings
Replace the high-pressure hoops
Replace the high-pressure water seals
Replace the low-pressure poppets After every 1,000 hours of operation
Replace the check valves
After every 2,000 hours of operation
Replace the low-pressure poppet baskets
Replace the high-pressure cylinders
After every 3,000 hours of operation or if the cylinder is
chipped or cracked
Replace the spacer tubes After every 12,000 hours of operation
1 Check valve
2 High-pressure hoops
3 High-pressure water seals
4 Low-pressure poppet
5 Low-pressure poppet basket
6 Spacer tube
7 High-pressure cylinder