PT-36 Mechanized Plasmarc Cutting Torch Instruction Manual

section 5Maintenance5.6 Torch Body• Inspect O-rings daily and replace if damaged or worn.• Apply a thin coat of silicone grease to O-rings before assembling torch. This facilitates easy future assemblyand disassembly for service.• O-ring (1.61 I.D. X .070 BUNA-70A).WARNINGElectric Shock Can Kill!Before performing torch maintenance:• Turn power switch of the power source console to the OFF position• Disconnect primary input power.O-Ring locations•••Keep electrical contract ring contact points free of grease and dirt.Inspect ring when changing nozzle.Clean with cotton swab dipped in isopropyl alcohol.Contact Ring PointsContact RingContact Ring ScrewContact Ring Points163