Fuel-gas system -51, Inspect consumables -24 – Hypertherm HSD130 HySpeed Plasma User Manual
Page 138

OPERATION
4-24
HySpeed HSD130 RHF
Instruction Manual
Inspect consumables
Part
Check for
Action
Cap
Nozzle
Swirl ring
Electrode
Center surface
Wear
O-rings
1. Damage
Replace electrode*
2. Lubricant
Apply a thin film of silicone lubricant if dry
*Note:
Always replace the nozzle and electrode as a set.
Damage
Replace swirl ring
Dirt or debris
Clean and check for damage, and replace swirl ring
if damaged
Gas holes
Blocked holes
Replace swirl ring
O-rings
1. Damage
Replace swirl ring
2. Lubricant
Apply a thin film of silicone lubricant if dry
Center hole
1. Must be round
Replace nozzle if hole is no longer round*
2. Signs of arcing
Replace nozzle*
O-rings
1. Damage
Replace nozzle*
2. Lubricant
Apply a thin film of silicone lubricant if dry
Erosion or missing material
Replace nozzle*
Blocked gas holes
Replace nozzle*
Erosion, missing material
Replace cap
Cracks
Replace cap
Burn marks
Replace cap
See Inspect electrode pit depth later in
this section