NOTICE
► Service personal must be instructed in handling the AdBlue®/DEF operating fluid
►
In event of queries, always contact the appropriate service organisation.
AdBlue®/DEF is
a non-flammable, non-toxic, colour- and odourless as well as water soluble fluid. The
terms "Urea" or DEF" (Diesel Exhaust Fluid) are also used for the fluid.
AdBlue®/DEF freezes at a temperature of about -11 °C (+12 °F). Winter operation is possible with the
built-in heating systems at temperatures below -11 °C (+12 °F).
To prevent malfunctions in the exhaust gas aftertreatment, always ensure the purity of the AdBlue®/
DEF.
When pumping AdBlue®/DEF out of the reservoir, for repairs or other tasks, do not return the fluid to
the reservoir afterwards. The purity of the fluid could be compromized.
The following could interfere with the exhaust gas aftertreatment:
■ Filling the AdBlue®/DEF reservoir with cleaning solutions or other operating fluids or fuels
■ Mixing with additives
■ Diluting the AdBlue®/DEF
Only use AdBlue®/DEF in accordance with DIN 70070 or ISO 22241.
If incorrect filling does occur, inform a qualified service centre for a safe solution to the problem.
Storage
■ Only use containers of the following materials to store AdBlue®/DEF:
□ Cr-Ni steels complying with DIN EN 10 088-1/2/3
□ Mo-Cr-Ni steels complying with DIN EN 10 088-1/2/3
□ Polypropylene
□ Polyethylene
■ Containers of the following materials are NOT suitable for storing AdBlue®/DEF:
□ Aluminium
□ Copper
□ Alloys containing copper
□ Unalloyed steel
□ Galvanised steel
■ Storage in such containers may dissolve constituents of these metals and interfere with the ex-
haust gas aftertreatment.
■ Individual components of the system react very sensitively to even the smallest traces of contam-
inants in the AdBlue®/DEF.
□ Only use clean containers and catch basins that are suitable for AdBlue®/DEF.
□ Do not reuse AdBlue®/DEF that contains traces of contaminants.
□ Keep AdBlue®/DEF strictly separated from other operating fluids.
□ Never use the same clean containers and catch basins used for AdBlue®/DEF for other op-
erating fluids.
Incorrect filling with AdBlue®/DEF
■ When filling the AdBlue®/DEF container, always ensure that only pure AdBlue®/DEF is filled.
Operating and Maintenance Manual
Snow groomer BISON
144
(255)
10 - Engine system
BISON 908930245 - 30367
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