Fuel
Air Top Evo 40 / Air Top Evo 55
68
6.5.4.
Fuel pump
The fuel pump is a combined delivery, dosing and shut-off system and is
subject to specific installation criteria (see Fig. 13).
The Air Top Evo 40 / Air Top Evo 55 heater may only be operated with the
DP 42 fuel pump.
6.5.5.
Installation location
The fuel pump must not be installed within range of the radiated heat from
hot vehicle parts. A heat shield must be used if necessary. The pump should
preferably be installed near the tank.
See for the permissible ambient temperature Chapter 13, "Technical Data".
6.5.6.
Installation and attachment
The fuel pump must be secured with a vibration-damping mounting. The
installation position is restricted as shown in Fig. 13 (maximum inclination of
fuel pump, axial installation position of fuel pump).
The arrow indicates the direction of flow of the fuel.
6.5.7.
Fuel filter
If the fuel is contaminated, a suitable fuel filter (e.g. Webasto fuel filter) must
be installed. Install vertically if possible, however at least horizontally (see Fig.
14).
Fig. 13
Installation position of DP 42 fuel pump
NOTE:
Note the installation position and direction of flow.
Fig. 14
Fuel filter, installation position and direction of flow
0° - 90°
Summary of Contents for Air Top Evo 40B
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