Toro Groundsmaster 4000 Operator's Manual page 42

Types of diesel particulate filter regeneration that require you to park the machine: (cont'd.)
Type of Regeneration
Recovery
Passive DPF Regeneration
•
Passive regeneration occurs as part of normal
engine operation.
•
While operating the machine, run the engine at
full-engine speed when possible to promote DPF
regeneration.
Assist DPF Regeneration
Assist/reset-regeneration icon
•
The assist/reset-regeneration icon displays in the
InfoCenter (Figure
•
The computer takes control of the intake throttle to
increase the temperature of the engine exhaust.
Conditions for DPF regeneration
Occurs as a result of ignoring parked regeneration
requests and continuing operation, adding more
soot when the DPF is already in need of a parked
regeneration
Figure 43
43).
DPF description of operation
When the recovery-regeneration icon
displayed in the InfoCenter, a recovery regeneration
is requested.
Contact your Authorized Toro Distributor to
have a service technician perform the recovery
regeneration.
• A recovery regeneration requires up to 4 hours
to complete.
• You must have at least a 1/2 tank of fuel in the
machine.
• You must park the machine to perform a recovery
regeneration.
Refer to
•
While operating the machine, run the engine at
full engine speed when possible to promote DPF
regeneration.
•
The
the assist regeneration is processing.
•
Whenever possible, do not shut off the engine or
reduce engine speed while the assist regeneration
is processing.
Important:
assist regeneration process before shutting
off the engine.
Note:
The assist regeneration is finished
processing when the
the InfoCenter.
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42
Recovery Regeneration (page
icon displays in the InfoCenter while
Allow the machine to complete the
icon disappears from
is
46).