Installation manual

Webasto Product N.A., Inc. 16 www.techwebasto.com
Fuel Supply Air Top 2000 S
8.4.1 Connecting Two Fuel Lines with a Coupler Hose
The correct procedure for connecting fuel lines with hosing is shown in Figure 16. Ensure that there are no leaks.
Figure 16. Fuel line / coupler hose connection
8.5 Fuel Metering Pump
The fuel metering pump is a combined delivery,
metering and shut-off system and is subject to
certain installation criteria (see Figures 11 and
17).
8.5.1 Installation Location
It is advisable to install the metering pump in a
cool place. The maximum ambient temperature
must not exceed +20 °C (68 °F) for gasoline
heaters at any time during operation.
The metering pump and fuel lines must not be
installed within range of the radiated heat from
hot vehicle parts. A heat shield must be used if
necessary
.
Plastic tank
Sealing ring
Sealing ring
Tank Fittin g
Tank Connector
Figure 14. Fuel supply from plastic tank drain screw Figure 15. Fuel supply from plastic tank fitting
Clamp
Bubble
Bubble
Wrong
Correct
0-180°
0-180°
Air Top 2000 ST
12 V and 24 V – Diesel only (with damper)
Figure 17. Fuel metering pump DP 30.2 / 30.3