Hypertherm HyPrecision 15, Operator'S Manual

Page: 99 / 194

HyPrecision15/30/50 Operator Manual 808240 99
5 – Preventive maintenance
Preventive maintenance
Replace the bleed-down valve body

Replace this part if water leaks from the wastewater outlet or from the weep holes while the pump is running.
1. Disassemble the bleed-down valve. Refer to page 128 for instructions.
2. Discard the used parts.
3. Install the bleed-down valve body, output adapter, flow reducer, seat, needle, needle guide, and seal.
4. When all maintenance tasks are complete, reassemble the parts.
CAUTION
Failure to correct the cause of a leak can result in damage to the fittings.
CAUTION
Overtightening a fitting can cause it to fail. 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.
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.