Fig. 805 Pipe/Hose Connections; Fig. 806 Dp42 Fuel Pump (Installation Position, Petrol); Fig. 807 Dp42 Fuel Pump, Installation Position, Diesel; Connecting 2 Fuel Lines With A Hose - Webasto Air Top 2000 STC Workshop Manual

Air Top 2000 STC

8.6.2.7 Connecting 2 fuel lines with a hose

Fig. 805 shows the correct connection of fuel lines with a
hose.
Clip
right

Fig. 805 Pipe/hose connections

8.6.3 Fuel pump
The fuel pump is a combined delivery, metering and a shut-
off system and is subject to certain installation criteria (Fig.
806, Fig. 807).
8.6.3.1 Installation location
It is advisable to install the fuel pump in a cool location. The
ambient temperature must not exceed +20 °C at any time
during operation.
The fuel pump and fuel lines must not be installed within the
range of radiated heat from hot vehicle parts. If necessary, a
heat shield should be fitted.
Bubble
wrong
8.6.3.2 Installation and attachment
Petrol

Fig. 806 DP42 fuel pump (installation position, petrol)

Diesel
0° - 90°
Damper instal-
lation position

Fig. 807 DP42 fuel pump, installation position, diesel

The installation position is limited as shown in Fig. 806 and
Fig. 807 to ensure effective automatic bleeding.
Diesel only:
Install the fuel pump with diaphragm damper between 0°
and 90° to the horizontal.
The fuel pump with diaphragm damper must be secured with
a vibration-damping mounting.
Due to the risk of corrosion only genuine Webasto parts must
be used for the plug connection between the fuel pump and
fuel pump wiring harness.
8 Servicing
Fuel pump instal-
lation position
804