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Snow groomer BISON
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On systems where the AdBlue®/DEF container is filled incorrectly (with fuel for example), the fol-
lowing parts must be replaced:
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□
□
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Cleaning of the components cannot be recommended as residues of the cleaning agent may
damage the pump module and dosing unit.
■
AdBlue®/DEF must only be filled into the special AdBlue®/DEF tank and never directly into the:
□
□
□
□
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Damage or faults that result from the incorrect filling of AdBlue®/DEF will be denied a warranty
claim.
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Service personal must be instructed with regard to handling the AdBlue®/DEF operating fluid. In
event of queries, please always contact the appropriate service organisation.
10.9.3
Engine oils
NOTICE
Risk of engine damage
Even very small dirt particles can cause engine damage and premature wear.
►
Ensure the utmost cleanliness when handling operating fluids.
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Engine oils are especially tested for suitability in our engines. Therefore, only use the engine oil
brands approved for Caterpillar.
■
Engine oils are specially tested for suitability in our engines. Therefore, only use the engine oil
types approved for Caterpillar.
■
If the SAE class (viscosity) of the engine oil used is not suitable for sustained low outdoor tem-
peratures below -20 °C (-4 °F), the engine may be damaged.
■
The temperature specifications of the SAE class always refer to fresh oil. Engine oil ages during
driving operation due to soot and fuel residues. Especially at lower outdoor temperatures, the en-
gine oil properties deteriorate considerably.
■
Caterpillar strongly recommends the use of Caterpillar DEO-ULS (Diesel Engine Oil Ultra Low
Sulfur) as the first choice of engine oil. Allowed are oils that meet the CAT ECF-3 (Engine Cran-
case Fluid) requirement.
BISON 908930245 - 30367
AdBlue®/DEF container
All AdBlue®/DEF container hose lines
Pump module
Hydraulic oil system
Engine oil system
Engine cooling system
Fuel system
10 - Engine system
Operating and Maintenance Manual
Figure 90: Engine oil SAE classes
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