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General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Jan 28/19
Refueling with AdBlue/DEF
Damage!
Contamination of AdBlue/DEF by other operating materials, cleaning agents, or dust can lead to
malfunctions on the exhaust aftertreatment system, catalytic converter damage, and engine
damage.
Use only AdBlue/DEF according to DIN 70070/ISO 22241.
Do not mix in any additives.
Pay attention to cleanliness when refueling.
Do not refill the tank with AdBlue/DEF that has been pumped out of the tank, e.g. during
repair work. The purity of AdBlue/DEF is no longer guaranteed.
Do not mix AdBlue/DEF with tap water under any circumstances.
Figure 30: AdBlue/DEF tank
Risk of injury!
At high outside temperatures, ammoniac fumes may escape when the fuel tank cap is opened.
Ammoniac fumes have a pungent odor and irritate the skin, mucous membranes, and eyes.
This can cause a burning sensation in the eyes, nose, and throat, as well as coughing and watery
eyes.
Do not inhale ammoniac fumes.
Only fill up the AdBlue/DEF tank in well-ventilated areas.
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