Black plate (50,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
9-50
Driving and Operating
.
Engine shutdown based on
critical engine conditions: The
engine will be shutdown when
PTO is operating if a critical
engine condition is detected by
the vehicle system (i.e., low oil,
low oil pressure, hot engine, hot
transmission, low fuel, diesel
particulate filter regeneration).
If PTO operation is continued
when critical engine conditions
are present, a horn chirp
warning will occur after 2 to
5 minutes. The engine will be
shutdown 2 minutes after the
horn warning. The operator can
re-start the engine with the
ignition key. The above horn
warning and engine shutdown
will again occur if the critical
engine condition is still present.
Prolonged or Extended PTO
Operation
While operating the vehicle in
stationary PTO mode, the Diesel
Particulate Filter (DPF) will continue
to filter the exhaust and accumulate
soot. The engine control system,
depending on the speed and load
being applied by the PTO, may not
be able to generate enough energy
or adequate heat needed to clean or
regenerate the DPF. Continued
operation under conditions that do
not allow effective regeneration or
cleaning will eventually plug the
DPF and result in reduced power.
The ENGINE POWER IS
REDUCED Driver Information
Center (DIC) message and
Malfunction Indicator Lamp will
be displayed, and dealer service
will be required to return the vehicle
to normal, full power operation.
To prevent this from occurring,
frequently monitor the vehicle during
PTO operation. If the DIC message
is displayed during PTO operation,
see
Diesel Particulate Filter
(Exhaust Filter) on page 9
‑
10
for
information on how to clean or
regenerate the DPF. Also see
“
Remote Engine Shutdown Control
”
earlier in this section.
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