Heating and Air Conditioning 185
Cab Ventilation
In sleeper versions (except the VN-770)
there is a fresh air vent located on each cab
side wall. It opens to two positions so the
air flow can be regulated.
The vent also opens toward the front or to-
ward the rear. This can be used for forcing
air into the cab (open toward the front) or
for venting air out of the cab (open toward
the rear).
CAUTION
The vent should not be used during rain,
while washing the vehicle or other cir-
cumstances where water may enter the
cab while the vent is open. To prevent
leaks, make sure the handle rollers are
on the top center part of the cams.
W8001146
The VN-770 is equipped with 4 hinged
side windows in the sleeper area. The VN-
660 has only the upper windows. Do not
force the window crank mechanism in the
fully open position. The mechanism can be
damaged if you try to open the window be-
yond the stop position.
CAUTION
Make sure windows are closed before
washing the cab. Water can enter the cab
through the window opening.
W8001473
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