HyPrecision Predictive waterjet pump Operator Manual 810120 105
5 – Preventive maintenance
Preventive maintenance
Repair the check valves and the low-pressure poppets
This procedure is for a moderately worn check valve. Replace very worn components.
Parts, tools, and materials
Repair the check valves every 500 hours.
Replace the low-pressure poppets every 1,000 hours.
Do not rock the part or use too much pressure. Doing so can cause damage to the part face.
1
1-11523 Check valve assembly
2
1-14792 Low-pressure poppet
(for HyPrecision P-15/P-30/P-50 pumps)
or
1-11526 Low-pressure poppet
(for HyPrecision P-15/P-30/P-50 pumps)
12-micron lapping paper
(included in the 1-12084 HyPrecision standard
tool kit)
Granite lapping block
(included in the 1-12084 HyPrecision standard
tool kit)
Masking tape
Isopropyl alcohol
Clean towels
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