Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 82)

3-34 HD3070 with Automatic Gas Console Instruction Manual
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INSTALLATION
Off-Valve Assembly to Torch Quick Disconnect Interconnections (Figures 3-24 and 3-25)
After the torch lead set and gas lead set have been connected, connect the plasma and shield gas hoses and blow
back hose between the off-valve assembly and torch quick disconnect. Route plasma and shield gas hoses and
blow back hose through strain relief and torch mounting sleeve.
Off-Valve Assembly
*Blow Back Hose (Figure 3-25)
• Connect the blow back hose (from torch lead set) to blow back solenoid.
Shield Gas Hose (Figure 3-27)
• Connect the gray hose to the shield inlet fitting (RH).
Plasma Gas Hose (Figure 3-28)
• Connect the clear hose to the plasma inlet fitting (LH).
Torch Quick Disconnect
Slide the other hose ends through the torch sleeve and connect to torch quick disconnect.
Shield Gas Hose
• Connect the hose (gray) to the shield inlet fitting (RH).
Plasma Gas Hose
• Connect the hose (clear) to the plasma inlet fitting (LH).
Slide the torch sleeve to the torch quick disconnect, mate threaded ends and tighten.
* Not used, if system was ordered without the blow back option.
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