Mercedes-Benz OM 904-926 LA BlueTec, Руководство по эксплуатации

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AdBlue
®
/DEF pump/filter unit
:
Pump module
;
Filter element
=
O-ring
?
Filter bowl
A
Dust protection cap
Hose clamp 000 589 54 37 00
X
Clamp the feed and return lines on the
pump/filter unit using hose clamps.
X
Place a suitable receptacle under the
pump/filter unit to collect any AdBlue
®
/
DEF fluid that escapes.
X
Unscrew filter bowl
?
from the pump/fil-
ter unit.
X
Remove filter element
;
.
X
Smear O-ring
=
on new filter element
;
thinly with MB silicon grease before assem-
bly.
X
Insert new filter element
;
into filter
bowl
?
. Use MB silicon grease as a lubri-
cant.
X Screw filter bowl
?
into pump module
:
and tighten. Tightening torque: 32 Nm.
! Only MB silicon grease is permissible as
a lubricant. Use MB silicon grease very
sparingly, otherwise damage to the exhaust
gas aftertreatment system could result.
The system is self-bleeding and does not
need to be bled manually.
Filling the AdBlue
®
/DEF pressure res-
ervoir
Important safety notes
G
WARNING
If the AdBlue
®
/DEF tank cap is opened at high
temperatures, ammonia vapours may escape.
Ammonia vapours have a pungent odour and
particularly irritate:
R
skin
R
mucous membranes
R
eyes
The vapours may cause a burning sensation
in the eyes, nose and throat as well as irrita-
tion of the throat and watering eyes.
Avoid inhaling ammonia vapours.
G
WARNING
AdBlue
®
/DEF must not come into contact
with skin, eyes or clothing.
R
If AdBlue
®
/DEF comes into contact with
your eyes or skin, rinse affected areas with
clean water immediately.
R
If AdBlue
®
/DEF is swallowed, immediately
rinse your mouth out with a lot of clean
water and drink plenty of water.
R
Change clothing that is soiled with
AdBlue
®
/DEF immediately.
R
If allergic reactions occur, consult a doctor
immediately.
Work schedules
71
Notes on maintenance
Z