Maintenance and Service
Air conditioning and ventilation system
7.15 Air conditioning and ventilation system
If the air conditioning system doesn't cool sufficiently, it may be down to the following
causes:
– Air conditioning system condenser is clogged.
Remedy: clean the air conditioning system condenser.
– Coolant circuit is filled insufficiently.
Remedy: Only possible for specialist personnel with the required special tools.
– Recirculating air filter in the driver's cabin is clogged.
Remedy: Clean recirculating air filter.
If the heating and ventilation systems are not operating at full power, it is usually
caused by clogged filters. Therefore, always clean both filters.
7.15.1 Condenser air conditioning system
(8) Condenser air conditioning system
(9) Ventilator cowl
– Check daily the condenser (8) of the air conditioning system on soiling.
– If required clean it with pressure air or spray stream from water hose.
– Never use a high-pressure cleaner.
– For cleaning, lift up the condenser (8) together with the ventilator cowl (9).
CAUTION
Hazard of damage to health and hazard of damage to the environment.
Maintenance work on the air conditioning system, which requires opening of the
coolant circuit (e.g. refilling of coolant, exchange of the collector dryer, etc.), may only
be performed by an authorised specialist workshop.
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