Hypertherm Duramax Hyamp Robotic Torch - Manual (Page 29)

Duramax/Duramax Hyamp Robotic Torches Service Manual 807460 29
2 – Torch Setup
23. If the O-ring on the torch body is dry, lubricate it and the threads with a thin layer of silicone lubricant.
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Silicone lubricant is included in several of the replacement kits.
24. Install the consumables.
25. Reconnect the torch and gas supply, and turn ON (I) the power.