TEMPERATURE CONTROL
Set temperature control as required,
fully clockwise.
For maximum cool and fully coun-
terclockwise for heat.
►
T72O613A
AIR CON. SWITCH
To operate the air conditioner,the
blower must be on.The blower
speed temperature control and all
vents must be adjusted to obtain the
best cooling for the ambient temper-
ature and dust conditions.
Under normal operating conditions,
and the windows and doors closed,
temperatures in the cab of 10 ºF
to 25 ºF (6ºC to 15 ºC) less than
the ambient temperature will occur.
When operating the air condition-
er system,the moisture level is de-
creased.
►
NOTE
During cold weather,with ambi-
ent temperature above 32 ºF (0
ºC) operate the air condition-
er at least once per month, for
a period of 10 to 15 minutes.
This will lubricate the seals to
prevent them becoming brittle
and help prevent the loss of
refrigerant from the system.
The system is equipped with
an environmentally safe re-
frigerant, R134a. Never re-
charge the air conditioning
system with refrigerant other
than R134a as this will result
in loss of cooling and perma-
nent damage to all air condi-
tioning components.
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