35OPERATION OF THE ENGINE
A When the DPF has trapped a specific amount of
particulate matter (PM), the engine computer starts
the process of regeneration or burning of soot
collected by the filter.
This burning process is called regeneration.
BHandling Points
C Fuel
Be sure to use Ultra Low Sulfur Fuel (S15).
A By temperatures over -5 C (23 F), use No.2-D diesel
fuel, when temperatures are under -5 C (23 F), use
No.1-D diesel fuel.
A Use of diesel fuel other than Ultra Low Sulfur Fuel may
adversely affect the engine and DPF performance.
Use of fuels other than Ultra Low Sulfur Fuel (S15)
may not meet regulations for your region.
C Engine oil
Use DPF-compatible oil (CJ-4 or CK-4) for the engine.
A If any engine oil other than CJ-4 or CK-4 is used, the
DPF may become clogged earlier than expected and
the fuel economy may drop.
BDPF Regeneration Process
This system has "Parked Regeneration" in which the DPF
regenerates while the machine is parked and "Automatic
Regeneration" which the DPF can regenerate
automatically while working.
When key switch is turned ON, the machine will be in the
"Auto Regeneration Mode". By pressing the DPF switch,
the mode can be switched to the "Inhibit Mode" or "Parked
Regeneration Mode".
Choose from them according to your job condition, usage
environment and other factors.
C Auto Regeneration Mode;
The machine has been set to Auto Regeneration Mode
by default.
When an amount of PM more than specified has built up
in the DPF muffler, the DPF is automatically regenerated
whether the machine is in motion or parked.
For jobs not affected by hot gases emitted out of the DPF
muffler during regeneration, the Auto Mode is advisable.
C Parked Regeneration Mode;
When an amount of PM more than specified has built up
in the DPF, the indicator starts flashing to notify the
operator that Regeneration is required. Therefore, park
the machine in a safe place and carry out the
regeneration.
C Inhibit Mode;
Press the inhibit side of the DPF switch and the Inhibit
Mode is activated.
Even if an amount of PM more than specified has built
up in the DPF muffler, the DPF does not regenerate.
When the regeneration is needed, the indicator starts
flashing to notify the operator to active either Auto
Regeneration Mode or conduct a Parked Regeneration
Mode, once in a safe area.
For jobs that are done in poorly ventilated area or in area
that may affect plants and animals because of hot gases
that will be emitted, the Inhibit Mode is recommended.
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