12. Maintenance and upkeep
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The following applies for built-in equipment:
• Heating: remove all of the dust that has collected on the heat
exchanger, base plate and fan wheel of the hot-air system at
least once a year before the caravan season begins. Clean the
fan wheel carefully with a brush or small scrubber.
• Truma therme/Combi heating system (model-specic):
The boiler must be descaled regularly (at least twice a year).
We recommend using suitable commercial agents for cleaning,
disinfecting and taking care of the boiler. Products that contain
chlorine are unsuitable.
Combi heating system only:
The chemical method used to control microorganisms in the
device can also be supplemented by regularly heating the water
in the boiler to 70° C.
• The glycol mixture in the hot-water heating * system should be
replaced every two years, because certain properties such as
protection against corrosion deteriorate.
• The space behind the refrigerator should be hoovered and clea-
ned regularly. The ventilation grille should also be kept clean.
The door seal should be rubbed once a year with talcum power
to keep it supple and the expandable fold should be checked for
tears.
• The lter in the fume hood
*
must be cleaned occasionally, becau-
se cooking fat collects there. We recommend that you use warm
water with a bit of dishwashing liquid to clean it.
Remove all spray cans with cleaners and polishes
from the vehicle after nishing the upkeep! Otherwise,
there is a danger of explosion at temperatures over
50° C!
12.7 Winter Lay Up for the Caravan
For many people, the camping season ends when the temperature
starts to fall. Your caravan must be properly prepared for its winter
lay up.
The following general rules apply:
• Only leave your caravan in a closed space if it is dry and well-
aired. Otherwise, it is better to leave your caravan in the open.
• Cover the safety coupling. Grease the brake linkage and winding
stanchions.
• Jack up the caravan if possible. Extend the levelling supports to
relieve the burden on wheels and axles to some extent. If possi-
ble, use axle stands to support the chassis.
• Close all gas bottles and emergency shuto valves.
• If you use an auxiliary battery (self-sucient package), it should
be disconnected; ideally, remove it and store it safe from frost.
Check it about once a month to see if it is still charged; if not,
charge it.
• Leave space between tarpaulins and the camper so as not to
hamper ventilation.
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