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8.13 Exhaust Gas Aftertreatment
8.13.1 Supply unit – Filter element replacement
Preconditions
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Engine was stopped with key switch and it was verified that circulation cooling is completed.
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SCR system switched off after completion of aftercooling phase.
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Shutoff devices for urea solution lines must be provided on-board.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 60–320 Nm
F30452768
1
Ratchet bit
F30450902
1
Socket, 46 A/F
F30006128
1
Lubricant spray Biolube L Spray
Filter element
(→ Spare Parts Catalog)
WARNING
Ammonia is created in case of fire or overheating.
There is a danger of poisoning if urea solution (e.g. AdBlue, DEF) is swallowed.
In case of contact with urea solution (e.g. AdBlue, DEF), there is a danger of skin irritation and eye in-
jury.
Risk of injury and poisoning!
• Avoid contact with eyes or skin.
• Do not inhale vapors or smoke.
• When handling urea solution (e.g. AdBlue, DEF), do not eat, drink or smoke.
• Wear protective clothing, protective gloves and goggles/safety mask.
WARNING
Urea solution (e.g. AdBlue, DEF) is hot.
Risk of injury and scalding!
• Allow product to cool down.
• Slowly open line connections and closures.
• When opening, ensure that the separation points are covered with cloths.
• Wear protective clothing, protective gloves, and safety goggles / safety mask.
NOTICE
Contamination of components.
Damage to component!
• Observe manufacturer's instructions.
• Check components for special cleanliness.
174 | Exhaust Gas Aftertreatment | MS150123/01E 2017-05
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