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CABIN SYSTEM
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.
► HEATINg SYSTEM
The heater is switched on and ad-
justed by rotating the control knob
Circulation Diffuser at the roof console, then switching
on the blower and setting the selec-
tor at the preferred speed.
Warm the cab up quickly, the knob
should be rotated fully clockwise
and the blower set to speed 3.
T57O605A The screen is demisted or defrosted
► CIRCUlATION dIFFUSER by air directed through a slot vent. 6 4 36
With the circulation vent set in any For defrost or fast demist, all other
position outside air will still be pulled vents should be closed off.
into the cab. IMpORTANT
 Ventilation is provided by a
single blower unit serving both
the heating system and the air
conditioning system.
 After reaching the desired
temperature adjust the system
to suit your needs.
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