Hypertherm HyPrecision 15, Operator'S Manual

Page: 133 / 194

HyPrecision15/30/50 Operator Manual 808240 133
5 – Preventive maintenance
Preventive maintenance
Assemble the bleed-down valve
Required tools, materials, and parts
11328 On/off valve and bleed-down valve repair kit
11743 Bleed-down valve flow reducer
High-pressure antiseize lubricant such as Blue Goop or AccuGoop
1-inch open-ended wrench
3/4-inch open-ended crowfoot wrench or socket
Torque wrench
Cross-tip screwdriver
1. Put high-pressure antiseize lubricant on the seat.
2. Put the flow reducer into the outlet adapter.
3. Put the seat into the outlet adapter.
4. Install the outlet adapter in the bleed-down valve body. Torque the adapter to 27 N ∙ m (20 lbf ∙ ft).

Use 2 wrenches.
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.
1
2
3
1 Outlet adapter
2 Flow reducer
3 Seat