Figure 20: Fuel Filter,
installation position and flow direction
8.6.3 Combustion air system
Under no circumstances may the combustion air be taken from areas occupied by people. The combustion air intake
opening must not point in the direction of travel. It must be located so that it cannot become clogged with dirt.
NOTE:
With benzin heaters, the combustion air must be extracted with a combustion air line at a position that is as
cool as possible and protected from splashing water. If the heater is in a sealed installation box, the combustion air
must be drawn in from the outside and the emissions fed to the outside. Pipe passage holes must be made in such a
way as to ensure that the ingress of exhaust fumes into the interior of the vehicle should not occur.
If soiled combustion air is to be expected, a combustion air filter can be installed (only Air Top Evo 40 D /Air Top Evo
55 D). An intake silencer must be used for an intake hose length of < 0.5 m.
8.6.4 Exhaust system
The exhaust line must be secured on the heater and on the exhaust silencer with a clamp suitable for the exhaust line.
It must be ensured that the exhaust silencer (Figure 21) is not the lowest part of the exhaust gas routing and that it is
installed near the heater.
The flow direction is arbitrary. The heater may also be operated without an exhaust silencer.
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Air Top Evo 40 / Air Top Evo 55 Service Manual
Summary of Contents for Air Top Evo 40
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