118 HyPrecision Predictive waterjet pump Operator Manual 810120
5 – Preventive maintenance
Preventive maintenance
Install the high-pressure end caps
Parts, tools, and materials
1. Put O-ring lubricant on the check valve O-rings. Put the O-rings on the check valve.
The O-rings are installed on the larger outer diameters of the check valve to seal on the inner diameter of
the high-pressure end cap.
2. Install the gasket in the groove in the high-pressure end cap. The cutout in the gasket directs fluid down into
the drip tray.
1
Stud
2
Low-pressure water fitting
3
High-pressure end cap nuts
1-13186 Antiseize bolt lubricant
(white lithium grease)
High-pressure antiseize lubricant such as Blue
Goop or PURE Goop
Torque wrench, 3/4-inch drive, 60 lbf ∙ ft
to 300 lbf ∙ ft
(included in the 1-12084 HyPrecision standard
tool kit)
Square drive socket, 1-1/2 inch × 3/4 inch
(included in the 1-12084 HyPrecision standard
tool kit)
1-13969 Petroleum-based O-ring lubricant
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