Webasto Air Top Evo 40 Installation Instructions Manual - page 14
14
Air Top Evo 40 | Air Top Evo 55
5.6 Fuel pump
Installation location requirements:
The installation location must satisfy the following requirements:
■
The installation location is close to the fuel tank in order to
keep the intake fuel line as short as possible.
■
The installation location is protected from stone impact.
■
The installation location is protected from high temperatures.
Fuel pump installation position
Installing fuel pump
5.7 Fuel filter
Installation position of fuel filter
The fuel pump is a combined delivery, metering and a shut-off
system.
+90°
-45°
0-360°
Fig. 12: Installation position of DP42 fuel pump and direction of flow
X
X
Make sure that the installation location satisfies the requirements.
X
X
Ensure the correct installation position.
X
X
Pay attention to the direction of flow of the fuel. The end with
the connector is always the outlet end.
X
X
Secure the fuel pump with a vibration-damping mount (e.g.
rubberised Webasto clip).
X
X
Connect fuel pump and wiring harness.
X
X
Secure fuel pump to vehicle.
ATTENTION
Malfunctions caused by corroded plug connec-
tions
Corroded plug connections can cause a malfunction
between the fuel pump and wiring harness.
X
X
Use only genuine Webasto plug connections.
ATTENTION
Damage to fuel pump
X
X
Operate the fuel pump only via the Webasto Ther-
mo Test PC Diagnosis.
X
X
Do not operate the fuel pump with the vehicle vol-
tage.
Operating the heater with any other than the
DP42 fuel pump will invalidate the warranty
and approval!
X
X
Operate the heater only with the DP42 fuel pump.
A heat shield can be installed to protect against
short-term overheating and radiated heat.
X
X
If dirty fuel might be expected: Install a Webasto
fuel filter.
X
X
Enter fuel filter in the vehicle's service booklet.
Webasto recommends installing the fuel filter in ver-
tical position. Vertical installation improves bleeding
of the fuel filter.