Dismantling and assembling burner element with combustion air blower V6 — AUDI

Dismantling and assembling burner element with
combustion air blower
V6
Note
Detaching and attaching add-on components
Chapter
(version
“1”
) or
Chapter
(version
“2”
)
Dismantling and assembling
Chapter
(version
“1”
) or
Chapter
(version
“2”
)
As of 02.04 auxiliary heaters have been fitted on which the bolt of the atomiser unit (items
“3”
and
“4”
) is bonded into the shaft of the
combustion air blower
V6
(item
“8”
). It may then no longer be possible to slacken off this bolt. Replacement
combustion air blowers
V6
(item
“8”
) are therefore supplied pre-assembled with the appropriate components for the diesel or petrol version (items
“3”
to
“10”
)
Parts List
.
The
combustion air blower
V6
runs at a maximum speed of approx. 8000 rpm and is thus balanced at the factory together with the impeller
C
. Care should therefore be taken on removal and installation not to squash or twist the impeller on the shaft of the
combustion air blower
V6
.
1
Burner element
Remove combustion residue prior to assembly (clean)
2
Bolt
3
Atomiser unit
Version for
“Petrol”
Replacement parts have a green coloured grommet
Detaching from combustion air blower
Chapter
Distinguishing features of the two versions
Chapter
Removing and installing
Chapter
4
Atomiser unit
Version for
“Diesel”
Replacement parts have a black coloured grommet
Detaching from combustion air blower
Chapter
Distinguishing features of the two versions
Chapter
Removing and installing
Chapter
5
Burner mount
Remove combustion residue prior to assembly (clean)
6
Bolt
7
Holder
For combustion air blower
Ensure correct installation with respect to combustion air blower
Assembly with combustion air blower
Chapter
8
Combustion air blower
V6
Assembly with holder
Chapter
Prior to assembly check impeller for damage or deformation
Up to 01.04,
combustion air blowers
V6
were installed on which - particularly in the case of horizontally installed auxiliary heaters - residual fuel could penetrate into the motor by way of the shaft (thus impeding operation, resulting in insufficient combustion air being conveyed into the combustion chamber in auxiliary heating mode and causing the auxiliary heater to give off smoke). As of 01.04,
combustion air blowers
V6
have been installed with a modified seal at the shaft.
Note
The
combustion air blower
V6
runs at a maximum speed of approx. 8000 rpm and is thus balanced at the factory together with the impeller
C
. Care should therefore be taken on removal and installation not to squash or twist the impeller on the shaft of the
combustion air blower
V6
.
9
Fuel pressure damper
Version for
“Petrol”
Replacement parts are marked with a green dot
Distinguishing features of the
“Petrol”
and
“Diesel”
versions
Chapter
Removing from burner mount/installing
Chapter
10
Fuel pressure damper
Version for
“Diesel”
Distinguishing features of the
“Petrol”
and
“Diesel”
versions
Chapter
Removing from burner mount/installing
Chapter
As of 02.04, a modified fuel pressure damper has been installed. If problems involving the development of fumes or smoke are encountered on vehicles manufactured up to 02.04 on switching to part load operation or in part load operation and if the auxiliary heater is not to be removed and the fuel pressure damper replaced, the problem can be remedied by using the
“Adaption”
function in adaption channel
“087”
to increase the speed of the
combustion air blower
V6
in part load operation
Anchor
.