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Revision A
6.10
Checking Air Conditioning and Heater
The windrower
’
s cab is equipped with a heating, ventilation, and air conditioning system. Ensure that this system and its
controls are functioning properly.
Figure 6.17: Air Conditioning (A/C) and Heater Controls
1006177
A
B
C
D
1Confirm that the following A/C and heating controls function properly:
•
Blower switch (A)
: Controls the blower speed. The switch settings are OFF, LO, MEDIUM, and HI.
•
Air conditioning switch (B)
: Controls the A/C system. When set to ON, the A/C operates if blower switch (A) is switched
ON. When set to OFF, the A/C system does not operate.
•
Outside air switch (C)
: Controls the air source. When set to FRESH AIR, the booster fan starts and draws filtered outside
air into the cab. When set to RECIRCULATED, the booster fan stops and air inside the cab is recirculated.
•
Temperature control (D)
: Controls the cab temperature. Turn the knob clockwise to increase the temperature, and turn
the knob counterclockwise to decrease the temperature.
To distribute oil throughout the A/C system, perform the following steps:
2.
Start the engine and turn blower switch (A) to the LO setting and then turn temperature control (D) to maximum
heating, and turn A/C switch (B) to OFF.
3.
Turn A/C switch (B) from the OFF to the ON position for 1 second, then back to OFF for 5 to 10 seconds. Repeat this
step ten times.
4.
Shut down the engine, and remove the key from the ignition.
