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Air Top Evo 3900 / Air Top Evo 5500
Fuel supply
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the lines sag or are routed downwards. The diameters specified in Figure 9
will ensure that bubbles do not form.
The lines should not be routed downwards from the metering pump to the
heater.
Unsupported fuel lines must be secured to prevent them sagging. They
must be installed in such a way that they cannot be damaged by flying road
chippings and high temperatures (exhaust line).
The fuel lines must be secure at the connections using hose clips to prevent
their slipping.
Fig. 11
Webasto tank connector
Fig. 12
Fuel pick-up from the plastic tank
(Pick-up via tank drain screw)
Hole pattern
Minimum distance 25 mm
Only use a tank connector if the fuel
tank is made from metal
Sealing ring
Plastic tank
Fig. 13
Fuel pick-up from the plastic tank
(Pick-up via tank fitting)
Sealing ring
Tank connector
Tank fitting
Installation_Instructions_Air_Top_Evo_3900_5500_de_en_nl.book Page 67 Wednesday, November 3, 2010 11:58 AM