Porsche 928 S 1986 Driver Manual page 46

Electric Sliding Roof
The sunroof is operated by a spring loaded
rocker switch on the centre console. Appro-
priate movement of the switch opens or closes
the sunroof. When released the switch re-
turns to the neutral position and the roof stops
in the required position. The drive mechanism
is equipped with a safety clutch which dis-
engages when a certain resistance is met,
42
thus excluding the possibility of accidental
injuries.
We do not recommend that the sliding sun roof
be operated at speeds in excess of 100 km/h
(60 mph). The force required to overcome the
resistance of the air pressure at higher speeds
can cause damage to the sliding roof.
Manual Operation
A hand crank is provided for manual opera-
tion in the event of an electrical failure. To do
this the cover of the sunroof drive must be
removed. Pull the cover down at the rear and
unhook the spring. Unscrew the now visible
slotted screw with the screwdriver tip of the
hand crank. Before inserting the fork-end of
the crank remove spacers which were under