Hypertherm HT2000-200 Volt - Manual (Page 133)

6-38 HySpeed HT2000
Instruction Manual
OPERATION
22
Figure 6-7 Changing Consumable Parts
Shield Retaining cap Nozzle Swirl ring Electrode
Current
ring
Torch body
(shown without off valve SA and sleeve)
Water tube
Replacement
1. Before installing the
Electrode
, be sure to lightly grease the O-ring with a small amount of silicon lubricant.
Replace the electrode and tighten it with the wrench.
Do not overtighten
.
2. Before installing the
Swirl ring
, be certain that the O-rings have been lubricated with a small amount of
silicon grease. Install the swirl ring with the bottom O-ring facing the inside of the torch. Push it into place.
Be sure to hold the swirl ring in place until the nozzle is installed to avoid dropping it into the water of the
water table.
3. Install the nozzle and finger-tighten it. Finish tightening it with the wrench.
Do not overtighten
.
4. Screw on the
Shield
to the
Retaining cap
and tighten by hand. Screw on the retaining cap to the torch by
hand. Make sure that it is tightened snugly; if it is loose, it can affect the shield gas flow.