VISION
D R I V E R S H A N D B O O K
60
entrance door emergency release
Depending upon purchase options, the entrance door may be manually-operated,
electrically operated, or air operated.
Manually operated doors employ a door control rod connected to a handle
mounted on the dash panel near the Driver. An over-center cam latching mechanism
is released by the driver’s thumb or palm when the handle is opened, and snaps back
into latched position when closed.
Electric or air-operated doors are equipped with emergency release levers so
that passengers can open the door even if the power is off or disabled.
The optional electrically-contolled entrance door is driven by a motor and gear
mechanism in the door header panel. A lever protruding from the header panel
serves to disengage the drive gear mechanism so that the door can be manually
pushed open or shut. This serves a dual purpose: To allow the driver to close the door
after parking and leaving the vehicle, and to serve as a quick door release in the case
of emergency.
To release the door, push the lever upward to rotate it 90° counterclockwise. The
door can then be pushed open or closed manually.
To re-engage the door drive mechanism, rotate the lever 90° clockwise.
Air-operated doors use system air pressure to open the door.
Air-operated doors are also equipped with an energency release
lever mounted above the door. In the case of air pressure failure,
the door closure can be released by flipping the lever toward the
Open direction indicated.
Push upward to release the door mechanism so that the door
can be manually opened or closed.
Rotate the lever downward to engage the door mechanism
for normal control of the door by the switch panel.
Air Operated Door Emergency Release
Electically Operated Door Emergency Release
Summary of Contents for VISION 2011
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