Manual — Cem Dual Mig 120

| Interval | Action | |-------------------|-------------------------------------------------------------------------| | Every use | Clean nozzle, remove spatter. Check contact tip for wear. | | Weekly (light use)| Blow out machine interior with compressed air (unplugged). | | Monthly | Inspect ground cable, torch liner, and drive roll for wear. | | Every 6 months | Replace liner if feed issues persist. Lubricate drive mechanism (dry – no oil on wire). |