9-11
2.4 To ventilate the cab
Press the air selector switch to select outside air,
and place the mode selector dial in the position.
2.5 To cool the cab
Press the air conditioner switch to activate the air
conditioner, then use the temperature control dial to
set a comfortable temperature. The indicator lamp
will be illuminated while the air conditioner is
operating.
3 Checking the refrigerant level
If refrigerant is insufficient, the cooling efficiency will
be diminished. Therefore, check the refrigerant
level from time to time. Run the air conditioner so it
gives maximum cooling performance (place the fan
speed dial in the position and the temperature
adjustment dial in the position ). Observe the
receiver’s inspection window through the grille.
Check for the presence of bubbles. The refrigerant
is sufficient if no bubbles are visible through the
glass when the air conditioner is being operated. If
bubbles are visible, the amount of refrigerant is
insufficient. You can have your system charged at
your nearest authorized dealer.
Insufficient refrigerant
Refrigerant level normal
Excessive refrigerant, or no refrigerant
If you observe condition and the air condi-
tioner cools the cab poorly, have the air condi-
tioner inspected by an authorized dealer.
Z08873
Z08874
Z11983
FEFG.book Page 11 Thursday, March 10, 2005 7:30 PM
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