Removing and replacing the 40 mm lamp fan and lamp blower
The 40 mm lamp fan (Both: 526-0035-xx) and lamp blower (Both: 526-0036-xx) fasten to the side of the lamp housing. The two fans work together to cool the lamp module inside the lamp housing. Both fans are included with a new lamp housing or with a new optical engine. Both are also available separately. Blower ducting
Lamp blower
40 mm lamp fan 1 2 3 Remove the chassis and attached parts from the top case (see page 96). Remove the lamp housing (see page 100) Do one of the following: a To replace the 40 mm lamp fan, remove the two M3x12 pan head Phillips screws that fasten the lamp to lamp housing.