Make certain you have read the Viewsonic PJ766D 2500 Lumens XGA DLP Projector manual thoroughly before attempting the Viewsonic PJ766D 2500 Lumens XGA DLP Projector bulb replacement on your Viewsonic PJ766D 2500 Lumens XGA DLP Projector. Without touching the surface of the Viewsonic PJ766D 2500 Lumens XGA DLP Projector 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 Viewsonic PJ766D 2500 Lumens XGA DLP Projector replacement parts. Your bulb should be sitting just beyond the opening of the Viewsonic PJ766D 2500 Lumens XGA DLP Projector body. Reach in with two fingers and disconnect the Viewsonic PJ766D 2500 Lumens XGA DLP Projector bulb. Reverse these steps to re-assemble your Viewsonic PJ766D 2500 Lumens XGA DLP Projector. This concludes the Viewsonic PJ766D 2500 Lumens XGA DLP Projector review - be sure to read the entire Viewsonic PJ766D 2500 Lumens XGA DLP Projector manual.