Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 78)

3-30 HD3070 with Automatic Gas Console Instruction Manual
18
INSTALLATION
RHF Console to Torch Quick Disconnect Interconnections (Figure 3-24)
The torch lead set interconnections include connecting the torch lead set between the RHF console and the
torch quick disconnect.
Torch Lead Set to RHF Console
Route the pilot arc lead and water hoses from the torch lead set through the brass feed-through on the RHF
console marked TORCH.
Pilot Arc Lead (+)
• Route the ring end of the cable through the hole in the center section and connect to the pilot arc terminal
on the I/O PC BD Assy.
Cooling Water Hose Supply Hose /Power Lead (-) (Green)
• Connect cooling supply hose (green band) to the manifold adapter (green).
Cooling Water Return Hose (Red)
• Connect cooling return hose (red band) to the manifold adapter (red).
Torch Lead Set to Torch Quick Disconnect
Route the other end of the torch lead set through the power track or festoon to connect to the torch quick
disconnect. Wrap the hose and lead ends together with electrical tape, so that the ends do not catch while routing.
Route torch lead set through strain relief and torch mounting sleeve.
Pilot Arc Lead (+)
• Connect the pilot arc cable to the pilot pin fitting.
Cooling Water Supply Hose /Power Lead (-) (Green)
• Connect the cooling supply hose (green band) to the water inlet fitting (RH) at the center of the torch.
Caution: Hold hex fitting on inlet tube with wrench, the tube may snap.
Turn fitting on torch lead set only.
Cooling Water Return Hose (Red)
• Connect the cooling return hose (red band) to the water outlet fitting (RH).
13C
13B
13A
13C
13B
13A
13
WARNING
FIRE AND EXPLOSION HAZARD
The vent tube from the torch head must not discharge into an enclosed area such as a protective
sleeve or power track. An accumulation of oxygen will occur and can cause fire or explosion.