84 HyPrecision Predictive waterjet pump Operator Manual 810120
5 – Preventive maintenance
Preventive maintenance
Replace the hydraulic fluid
Parts, tools, and materials
Do this task when the pump is not running.
Do this every 3,000 hours.
Install a new hydraulic filter and filler-breather cap when replacing the hydraulic fluid.
Do not put too much hydraulic fluid in the tank.
1
Drain valve
2
1-14629 Filler-breather cap
3
Sight gauge
4
Access cover
1-16025 Hydraulic filter, not shown
1-17473 Hydraulic fluid service kit
Antiwear (AW) mineral oil or synthetic hydraulic
fluid, ISO viscosity grade (VG) 32 or 46
Clean towels
Isopropyl alcohol
Standard 9/16-inch open-ended wrench
(for the drain valve plug)
Standard 15/16-inch crowfoot wrench or socket
(for the access cover)
Torque wrench
Strap wrench
Hose or pipe for draining hydraulic fluid
Container for used hydraulic fluid
Recommended materials
Clean funnel
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