Toro 03672 Operator's Manual page 32

DPF Ash Accumulation
•
The lighter ash is discharged through the exhaust
system; the heavier ash collects in the soot filter.
•
Ash is a residue of the regeneration process. Over
time, the diesel particulate filter accumulates ash
that does not discharge with the engine exhaust.
•
The computer for the engine calculates the amount
of ash accumulated in the DPF.
InfoCenter Advisory and Engine Warning Messages—Ash Accumulation
Indication
Advisory or Fault Code
Level
Level 1:
System
Advisory
Level 2:
Engine
Warning
Level 3:
Engine
Warning
Level 4:
Engine
Warning
g213865
Figure 33
Advisory #179
g213863
Figure 34
Check Engine
SPN 3720, FMI 16
g213864
Figure 35
Check Engine
SPN 3720, FMI 0
g214715
Figure 36
Check Engine
SPN 3251, FMI 0
•
When enough ash accumulates, the engine
computer sends information to the InfoCenter in
the form of a system advisory or an engine fault to
indicate the accumulation of ash in the DPF.
•
The advisory and faults are indications that it is
time to service the DPF.
•
In addition to the warnings, the computer reduces
the power produced by the engine at different
ash-accumulation levels.
Engine Speed
Engine Power Rating
Reduction
None
None de-rates the engine
None de-rates the engine
Engine speed at max
de-rates the engine
torque + 200 rpm
32
Recommended Action
Notify your service
department that advisory
100%
#179 displays in the
Service the DPF;
The computer refer to
Diesel-Oxidation Catalyst
power to 85% (DOC) and the Soot
Filter (page 49)
Service the DPF;
The computer refer to
Diesel-Oxidation Catalyst
power to 50% (DOC) and the Soot
Filter (page 49)
Service the DPF;
The computer refer to
Diesel-Oxidation Catalyst
power to 50% (DOC) and the Soot
Filter (page 49)
InfoCenter.
Servicing the
Servicing the
Servicing the