WARNING
The DEF line connecting the aftertreatment DEF dosing unit to the aftertreatment DEF dosing valve is
under low pressure and should not be disconnected while the engine is running or before the system has
completed the purge process after engine shutdown. Disconnecting the DEF line while under low pressure
could cause DEF to spray.
WARNING
Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause
personal injury.
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove
the key from the ignition before leaving the operator’s seat for any reason.
IMPORTANT:
Any spilled DEF must be contained and absorbed by non-combustible absorbent material like sand, and then
shovelled to a suitable container for disposal. DEF is corrosive. If spilled on tank or any surface of the vehicle,
rinse thoroughly with water.
IMPORTANT:
Do
NOT
disconnect the windrower batteries until the DEF dosing system has completed the purge cycle. Before
beginning to remove and/or disconnect any components, wait at least
fi
ve minutes after the key switch is turned
OFF for the aftertreatment DEF dosing system to purge the DEF from the system. The purge cycle is an
automatic process and does not require intervention to occur. The aftertreatment DEF supply module will create
an audible pumping noise during the purging process.
NOTE:
DO
NOT
power wash or steam clean the
fi
lter. Use compressed air to remove any loose debris.
1. Stop the engine and remove the key. Wait 3 minutes for DEF system to complete purge cycle.
2. Place a catch basin under DEF
fi
lter cap to collect the remaining DEF in the
fi
lter housing.
3. Unscrew the
fi
lter cap (A).
4. Remove the aftertreatment DEF
fi
lter equalizing
element (B).
5. Remove the old aftertreatment DEF supply module
fi
lter element (D).
NOTE:
A disposable service tool (C) is included with the
fi
lter to aid in
fi
lter removal. Use the appropriate end
of the tool to remove
fi
lter. When inserting the tool,
a click sound can be heard which indicates proper
engagement with the
fi
lter.
6. Discard and replace the
fi
lter and equalizing element if
removed from the aftertreatment dosing unit.
Figure 5.97: DEF Supply Module Filter
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Revision A
Summary of Contents for M1240
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