Home › Subterranean Architecture › How to Change Blades on a Black & Decker Navigator… How to Change Blades on a Black & Decker Navigator Saw Sophia Al-Mansoor Oct 15, 2026 Subterranean Architecture 2 min read Discover practical instructions about how to Change Blades on a Black & Decker Navigator Saw. Always disconnect the power cord of the Black & Decker Navigator before changing the saw blades.