How to check
When to check
What to check
Open the door on the left side of the projector. Be careful not to scratch or break
the mirror and the lenses.
Dust the rear surface mirror, the front surface
of the condensing lens, and the bottom of the
brush. If foreign matter remains, use lens
tissue moistened with lens cleaner to clean them
Turn the power switch to the ON position to be If the projector is not used daily,
Weekly- - - -
the projection lamp and blower
sure that the projection lamp and blower
motor operate satisfactorily. R e p l a c e t h e
should be turned on for about 10
lamp if it is defective. If the motor does not
minutes every day to prevent
moisture from accumulating in
function satisfactorily, inspect the motor
brushes. Replace them if they are defective.
Weekly - - - - -
Turn the focusing knob and the elevating knob Be sure that the setscrews in the
Control knobs - - - -
knobs are tight.
back and forth to be sure that they operate
smoothly and without binding. and that they
hold the position at which they are set. Be
sure that the head-support-post clamping
knob holds the post securely in position.