Apple Macintosh Performa 577 - Manual (Page 39)

Take Apart Fan - 4
Fan
Before you begin, remove
the rear housing.
±
Warning:
This product
contains high voltage and a
high-vacuum picture tube.
To prevent serious personal
injury or equipment
damage, review CRT safety
in Bulletins/Safety.
±
Warning:
Never use a
grounding wriststrap until
after discharging the CRT.
Fan