MacDon M205 Operators Manual - Manual (Page 73)

OPERATOR’S STATION
3.10.3 Climate Controls
A – BLOWER Switch controls the blower speed.
• OFF / LOW / MEDIUM / HIGH
B – Air Conditioning (A/C) Switch controls A/C system.
• OFF: A/C does not operate.
• ON: A/C operates with blower switch ON.
C – Outside Air witch controls the air source.
• FRESH AIR: Starts booster fan and filtered outside air
is drawn into cab.
• RECIRCULATE: Stops booster fan and cab air
is recirculated.
D – TEMPERATURE Control Dial controls cab
temperature.
• Turning the dial clockwise: Increases temperature.
• Turning the dial counterclockwise: Decreases
temperature.
Figure 3.34: Climate Controls
IMPORTANT:
To distribute the refrigerant oil throughout the A/C
system, perform the following steps when starting the
windrower after more than one week of storage:
1. Ensure heater shut-off valve at engine is OPEN. Refer
to 3.10.1 Heater Shut-Off, page 56 .
2. Turn blower switch to the first position, turn
temperature control switch to MAXIMUM heating, and
A/C control to OFF.
3. Start engine and operate at low idle until engine
is warm.
4. Click A/C switch from OFF to ON for 1 second, then
back to OFF for 5 to 10 seconds. Repeat this step
ten times.
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