Make certain you have read the ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS manual thoroughly before attempting the ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS bulb replacement on your ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS. Without touching the surface of the ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS 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 LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS replacement parts. Your bulb should be sitting just beyond the opening of the ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS body. Reach in with two fingers and disconnect the ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS bulb. Reverse these steps to re-assemble your ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS. This concludes the ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS review - be sure to read the entire ViewSonic LITEBIRD PJ550 LCD Port Project 1200 A-Lumens 300:1 1024x768 5.4LBS manual.