Hypertherm HyPrecision 15, Operator'S Manual

Page: 92 / 194

92 HyPrecision15/30/50 Operator Manual 808240
5 – Preventive maintenance
Preventive maintenance
Every 1,500 hours
Replace the hydraulic filter
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Refer to the Parts lists section, which begins on page 147, for part numbers and ordering information.
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The capacity of the hydraulic fluid tank is 151 L (40 gallons).
Required tools, materials, and parts
16025 Hydraulic filter
ISO viscosity grade (VG) 32 or 46 antiwear mineral or synthetic hydraulic fluid
Strap wrench
Do this task when the pump is not running.
1. Remove the filter from the filter head.
2. Put clean hydraulic fluid on the gasket on the new filter.
3. Twist the filter onto the filter head.
4. Tighten the filter with a strap wrench.
5. Turn ON the pump in cooling mode.
6. Look for leaks. If a leak is found, identify the source and repair the problem. Refer to the Troubleshooting section,
which begins on page 153.
7. Check the hydraulic fluid level. Add hydraulic fluid if necessary. Refer to page 73 for instructions.
CAUTION
Failure to correct the cause of a leak can result in damage to the fittings.
Follow local regulations when disposing of used fluids and filters.
Put the parts on a clean, dry, oil-free surface.