6. Tips on diesel particulate filter
(DPF) regeneration
• Operation
The
higher in speed or load the engine operates,
the higher the exhaust temperature rises. As a
result, particulate matter (PM) inside the DPF is
consumed and the regeneration process is required
less frequently over time.
The lower in speed or load the engine operates, the
lower the exhaust temperature. Accordingly, less
particulate matter (PM) inside the DPF is consumed
and more accumulation of PM will occur, which
requires frequent regeneration. Therefore, avoid
prolonged idling if possible.
• Necessary conditions for “Regeneration”
If even one condition is deviated, after starting
regeneration, the regeneration will be interrupted.
– The engine coolant temperature.
– The DPF temperature.
– The engine speed is 1600 rpm or higher
(depending on the environment).
• Usually, it takes 15 to 20 minutes to complete the
regeneration cycle.
Actual regeneration time may depend on ambient
temperature, exhaust temperature and engine
speed.
• It is recommended to do the regenerating while the
engine is warm and high revolution.
• Do not unnecessarily start and interrupt the
regeneration process. Otherwise, a small amount of
fuel becomes mixed with the engine oil, which
degrades the oil quality.
• While the DPF is being regenerated, the engine air
flow rate is automatically limited to keep up the
exhaust temperature. Because of this, the engine
may sound differently, but this is normal for this
engine.
• Just after the regeneration has ended, the DPF
muffler remains hot. It is advisable to keep the
engine running for about 5 minutes to allow cooling
of the exhaust components.
STARTING THE ENGINE
1. Make sure the parking brake is set.
a.
Interlock the brake pedals.
b. Depress the brake pedals.
c. Latch the brake pedals with the parking brake
lever.
NOTE :
• Then the parking brake is set while the key
switch is “ON”, the parking brake warning
indicator light on the Easy Checker
™
will
turn on.
ROPS model
(1) Parking brake lever (A) “Interlock the brake pedals”
(B)
“DEPRESS”
(C) “PULL DOWN”
CAB model
(1) Parking brake lever (A) “Interlock the brake pedals”
(B)
“DEPRESS”
(C) “PULL UP”
(1) Parking brake warning indicator
IMPORTANT :
• It
is recommended that the operator practice
engaging and disengaging the parking brake
on a flat surface without the engine running
before operating the tractor for the first time.
OPERATING THE ENGINE DIESEL PARTICULATE FILTER (DPF) MUFFLER
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