9-6
Heating and air conditioning
5 Ventilation
Outside air is directed to head.
Z17359
6 Shutting off the system
•
When the heater is not used, turn the fan speed
dial
to the "0" position.
•
Pressing the air selector switch
indicator comes on) will prevent dust from enter-
ing the cab.
7 Cleaning the air filter
Clean the air filter every 6 months.
A dust-clogged air filter may cause a blower motor
malfunction.
Z17360
to ON (the
P. 12-80