Make certain you have read the 3M Company M1810 OVRHD PROJ 2700LUMEN manual thoroughly before attempting the 3M Company M1810 OVRHD PROJ 2700LUMEN bulb replacement on your 3M Company M1810 OVRHD PROJ 2700LUMEN. Without touching the surface of the 3M Company M1810 OVRHD PROJ 2700LUMEN lens, remove the lens tube and set it aside. Write down the number from inside the tube's inner lip for the purpose of make, model or serial number for any future need to buy 3M Company M1810 OVRHD PROJ 2700LUMEN replacement parts. Your bulb should be sitting just beyond the opening of the 3M Company M1810 OVRHD PROJ 2700LUMEN body. Reach in with two fingers and disconnect the 3M Company M1810 OVRHD PROJ 2700LUMEN bulb. Reverse these steps to re-assemble your 3M Company M1810 OVRHD PROJ 2700LUMEN. This concludes the 3M Company M1810 OVRHD PROJ 2700LUMEN review - be sure to read the entire 3M Company M1810 OVRHD PROJ 2700LUMEN manual.