Webasto Air Top 2000 ST B Installation Instructions Manual page 18

Air Top 2000 ST
7.4.1. Connecting two pipes with a hose
The correct procedure for connecting fuel lines with hosing is illustrated
in Fig. 14.
Ensure that there are no leaks.
Correct
Clip
Wrong
Bubble
Fig. 14: Pipe / hose connection
7.5. Metering pump
The metering pump is a combined delivery, metering and shutoff system
and is subject to specific installation criteria (see Figs. 9 and 15).
Installation location
It is advisable to install the metering pump in a cool place. The maximum
ambient temperature must not exceed +20 °C for petrol 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.
Bubble
Fig. 15: Metering pump DP2 / DP30.2
7.5.1.
The metering pump must be secured with a vibration-damping
mounting. Its installation position is limited as shown in Fig. 15 in order
to ensure effective auto-bleeding.
As a result of the risk of corrosion, only genuine Webasto parts may be
used for the plug connections between the metering pump and the
metering pump wiring harness.
Air Top 2000 ST
12 V and 24 V - petrol and diesel (with damper)
Installation position
Installation and attachment
Fuel supply
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