3.Operation
3-27
3.7.3
Manual regeneration
The exhaust temperature may not reach temperatures hot
enough to burn soot during operation in cold weather or
under low loads. If the unit is operated under low load or in
cold weather for an extended time, a DPF indicator [B] will
be displayed. Immediately take action and being a Manual
Regeneration by following steps below.
<Procedure>
1.
Stop any ongoing work and close the service valve.
2.
Select “SYSTEM DIAGRAM” on the “HOME” screen and make sure that the water temperature is
above
158°F (70
℃
)
If the water temperature is bel
ow 158°F (70
℃
), let the
unit warm up until the water temperature
will be above
158°F (70
℃
)
.
3.
Press DPF indicator [B] on the “MAIN” screen.
4.
“PARKED REGENERATION” screen will be displayed.
5.
Hold the "REGEN" button to start manual regeneration. High Exhaust System Temperature
(HEST) indicator [A] will be ON.
※
It is normal for engine speed to vary while performing a manual regeneration.
Regeneration will take anywhere from 15 to 30 minutes.
If the exhaust temperature is higher during regeneration, the High Exhaust System Temperature
(HEST) indicator [A] will be ON.
The DPF indicator [B] will be be cleared once the manual regeneration is completed.
When finished, the unit will return to an unloaded state and be ready for normal operation.
Do not stop the engine during the manual regeneration.
Only begin manual regeneration after the engine is warmed up. If the water temp is
not enough high enough the unit will cancel the manual regeneration, as it may only
further clog the DPF if performed cold.
If the DPF indicator is ON, take immediate action to perform the manual regeneration.
Failure to do so could result in damage to the DPF or fire in the exhaust system.
B
A
B
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