freightliner S2 Operator's Manual page 63

Exhaust Aftertreatment Systems
A reference label is included with the driver's docu-
mentation package initially in the glove box, that ex-
plains the ATS warnings, and actions required to
avoid further engine protection sequences. See
Fig. 9.3.
EXHAUST AFTERTREATMENT SYSTEM INFORMATION
INDICATOR
LAMP(S)
Indicator Lamp Filter Regeneration
Message(s) Recommended
Diesel Particulate Filter is reaching
Filter Condition capacity.
Required Action Bring vehicle to
highway speeds to
allow for an Automatic
Regeneration or
perform a Parked
Regeneration.
For a driver performed Parked Regeneration, vehicle must be equipped with a dash mounted Regeneration Switch.
See Engine Operator's Manual for complete Regeneration Instructions.
06/29/2009
The regen switch, located on the dash, is used to
initiate a parked regen of the aftertreatment device.
See Fig. 9.4.
06/19/2012
Fig. 9.4, Regen Switch
NOTE: The regen switch can initiate a parked
regen only when the DPF lamp is illuminated
9.3
(Solid) (Flashing)
Level 1 Level 2
Filter Regeneration
Necessary
Filter is now
reaching maximum
Switch.
capacity.
To avoid engine
derate bring vehicle
to highway speeds
to allow for an
Automatic
Regeneration or
perform a Parked
Regeneration as
soon as possible.
Fig. 9.3, Exhaust-Aftertreatment Warnings Reference Label
f611199
(because the engine software is signaling for a
parked regen).
The regen-inhibit switch (optional when available)
provides additional control over the aftertreatment
CHECK
(Flashing) (Flashing)
Level 3 Level 4
Parked Regeneration Parked Regeneration Required −
Required − Engine Engine Shut Down
Derate
Filter has reached Filter has exceeded
maximum capacity. maximum capacity
Vehicle must be Vehicle must be parked and a
parked and a Parked Parked Regeneration or Service
Regeneration must Regeneration must be performed.
be performed − Check engine operator's manual
engine will begin for details −engine will shut down.
derate.
regeneration process. A driver may decide to use this
feature if they are hauling cargo that should not be
exposed to possible high exhaust temperatures from
an automatic regen. Depressing the regen-inhibit
switch will prevent a regen from occurring during a
drive cycle. After the vehicle has been shut down
and restarted, regens will occur normally unless the
inhibit switch is pressed again. See
To initiate a parked regeneration, perform the follow-
ing steps.
1.
Park the vehicle away from all combustible and
flammable materials. Chock the tires. Start and
warm the engine until the coolant temperature is
at least 150°F (66°C).
2. Set the parking brake. If the parking brake was
already set, you must release it, then set it
again.
WARNING
CHECK STOP
HEST (High Exhaust
System Temperature)
Flashing
A regeneration is in
.
progress.
Solid
Exhaust Components
and exhaust gas are
at high temperature.
When stationary, keep
away from people and
flammable materials
or vapors.
24−01583−000B
Fig. 9.5.
f080147