PT-36 Mechanized Plasmarc Cutting Torch Instruction Manual

section 5Maintenance5.2 Torch Front End DisassemblyDANGERHot Torch Will Burn Skin!Allow torch to cool before servicing.1. Remove shield retainer.NOTE:If the shield retainer is difficult to remove, try to screw the nozzle retainer tighter to relieve pressure onthe shield.2. Inspect mating metal surface of shield and retainer for nicks or dirt that might prevent these two parts fromforming a metal to metal seal. Look for pitting or signs of arcing inside the shield. Look for melting of theshield tip. Replace if damaged.3. Inspect diffuser for debris and clean as necessary. Wear on the top notches does occur, effecting gas volume.Replace this part every other shield replacement. Heat from cutting many small parts in a concentrated areaor when cutting material greater than 0.75" (19.1mm) may require more frequent replacement.TorchbodyShield CupRetainerShieldCupDiffuserNozzleElectrodeElectrodeRemovalToolNozzle Retaining Cup154