Webasto
Air
Top
Installation
Guide
–
AT2000STC
12
Air
Top
2000STC
Installation
Guide
2020
|
Webasto
Thermo
&
Comfort
Australia
Pty
Ltd.
4.2
Installation
of
Fuel
Stand
Pipe
When
fuel
is
sourced
out
of
the
vehicle’s
fuel
tank,
ensure
that
the
stand
pipe
is
installed
on
a
flat
surface
and
cut
the
stand
pipe
length
so
that
it
is
25mm
from
the
bottom
of
the
tank.
See
Fig
21/22.
Install
the
tank
extracting
device
as
shown
Fig
21
Shorten
the
immersion
tube;
the
end
should
be
approx.
25
mm
off
the
bottom
of
the
tank.
Cut
the
tube
diagonally
and
ensure
you
deburr
the
cut
edges.
(Fig21)
Drill
a
25mm
hole
on
the
flat
surface
of
the
tank
(Fig
22).
Ensure
you
grease
the
drill
bit
and
drilling
surface
or
apply
masking
tape
beforehand
(to
catch
small
drilling
chips
or
swarf
entering
the
fuel
tank).
Install
the
fuel
pick
up
and
tighten
the
locking
nut
(the
seal
should
be
slightly
compressed;
applying
any
locking
glue
will
be
advisable).
4.3
Fuel
Filter
To
ensure
a
clean
combustion
process,
a
fuel
filter
is
supplied.
Always
check
the
direction
of
flow
as
marked
on
the
filter
(Fig
23).
The
filter
should
be
installed
between
the
fuel
source
and
the
fuel
pump.
Do
not
substitute
the
Webasto
supplied
fuel
filter
with
non
Webasto
replacement.
Fig
21
–
Installing
fuel
extracting
device
–
(Top
Mount
type)
Fig
22
–
25mm
‐
Fuel
Extracting
Device
Fig
23
–
Webasto
Genuine
fuel
filter
