Hypertherm HyPrecision 15, Operator'S Manual

Page: 128 / 194

128 HyPrecision15/30/50 Operator Manual 808240
5 – Preventive maintenance
Preventive maintenance
Service the bleed-down valve
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Use 2 wrenches when loosening or tightening a high-pressure connection. Using only 1 wrench can increase bending
stress to the parts and cause damage or premature failure.
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Refer to the Parts lists section, which begins on page 147, for part numbers and ordering information.
Required tools, materials, and parts
5/8-inch open-ended wrench
3/4-inch open-ended wrench
13/16-inch open-ended wrench
1-inch open-ended wrench
Cross-tip screwdriver
Do this task when the pump is not running.
1. Turn OFF the water to the pump.
CAUTION
Failure to correct the cause of a leak can result in damage to the fittings.
Repair or replace parts identified in the preventive maintenance schedule or if the parts show signs of
deterioration, corrosion, or damage.
Put the parts on a clean, dry, oil-free surface.