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5.10 CAB TEMPERATURE
The cab environment is controlled by a climate-
control
system
that
conditioned or heated air for the operator. The
heater/evaporator/blower assembly is located
under the cab floorboard and is accessible from
beneath the windrower tractor.
5.10.1
Controls
Refer to the following illustrations for an
explanation of the controls and operating
procedures.
BLOWER SWITCH
Controls Blower Speed
OFF/LO/MEDIUM/HI
OUTSIDE AIR SWITCH
FRESH AIR – Starts Booster Fan &
Filtered Outside Air Drawn Into Cab
RECIRCULATE – Stops Booster Fan &
Cab Air Is Recirculated.
AIR CONDITIONING SWITCH
Controls A/C System
OFF - A/C Does Not Operate.
ON - A/C Operates With Blower
Switch On.
TEMPERATURE CONTROL
Controls Cab Temperature
INCREASE – Clockwise
DECREASE - Counter-Clockwise
IMPORTANT
To distribute the oil throughout the
system,
perform
whenever the machine is first started after
storage for more than one week:
1. Turn blower switch to the first position, turn
temperature control switch to maximum
heating, and A/C control to "OFF".
2. Start engine and operate at low idle until
engine is warm.
3. Click A/C switch from "OFF" to "ON" for one
second, then back to "OFF" for 5 to 10
seconds. Repeat this step ten times.
Form # 169017
OPERATOR'S STATION
provides
clean
Controls Air Source
the
following
steps
5.10.2
Air Distribution
air-
DIRECTION
Cab
air
adjustable air vents. They are located in the cab
posts to provide window and operator ventilation
as shown in illustration.
5.10.3
Heater Shut-Off Valve
M150
A shut-off valve at the engine allows the cab
heater to be isolated from the engine coolant.
The valve must be open to provide heat to the
cab but for maximum cooling, the valve can be
closed.
22
OPEN
CLOSE
distribution
is
controlled
HEATER SHUT-OFF VALVE
OPEN – Counterclockwise
CLOSE - Clockwise
Issue – June 2008
through
M200
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