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OPERATOR'S STATION
Cab
Temperature
Controls
BLOWER
SPEED SWITCH
(A) -Controls operation
of
blower.
Four
positions
are:
OFF, LOW, MEDIUM
and
HIGH.
The
blower recirculates cab
air as well
as
drawing
in
outside
air to
pressurize
the cab.
With door
and
window closed and
blower
on, dust
and
dirt will be filtered
out to keep cab interior
clean.
Adjust circular
louvers
(B)
(both
sides) to
direct air
where needed,
for
example,
to
defog
window.
Rectangular louvers
(C) (both sides)
may
be
shut
off or opened depending on operator
preference.
AIR CONDmONING TEMPERATURE CONTROL
(D)
-
Air
conditioning is
OFF when control (D)
is
turned fully
counter-clockwise. Turning control
clockwise
decreases cab
temperature.
Blower
switch (A)
must also be turned ON before air
conditioning
system will
operate.
Regulate
cab temperature with
air conditioning
control and blower
speed.
IMPORTANT:
If humidity
Is
high it may be
necessary
to run blower at HIGH speed to prevent
evaporator
freeze up.
HEATER TEMPERATURE CONTROL
(E)
-
Heater
is
off when control (E) is turned fully
counter-
clockwise.
Turning control clockwise
increases
cab
temperature.
Regulate cab temperature with
heater
control and blower
speed.
NOTE:
Heat and air conditioning
systems
are
independent of each
other.
To
avoid working one
system
against the other, be sure the system not
in
use is turned.OFF
atthe appropriate temperature
control, unless
both
are required
to defog
windows.
NOTE:
If
windows
fog
up,
run the air conditioning
to
dehumidify
the
cab air, plus the heater
to control
cab temperature.
Windshield Wiper Control
Control windshield wiper using knob
(F).
The wiper
is a manual park type. To park wiper blade, tum
wiper switch OFF when blade Is at extreme end of
stroke.
19
F
,
E
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CAB
TEMPERATURE
AND
WIPER
CONTROLS
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DIRECT
AIR FLOW
WITH
LOUVERS
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