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Hitachi air nailer repair. If your roofing air nailers break down don't throw them away and buy a new one, typically it's an easy repair which could save you hundreds of dollars! There are typically only a few moving parts and some valves, so it's usually an easy repair and can save o ton! If you got anything good out of this video please give it a thumbs up and consider subscribing to the Grand Roofing channel and ring in the bell notification so you're notified when the next video comes out.