Redwood Global Ltd - ST6D42
Operator and Maintenance Manual
Chapter 5: Maintenance
5.6.6 REGENERATION MODE DURING OPERATION (PASSIVE AND ACTIVE
REGENERATION)
The regeneration mode is performed automatically by the ECU to regenerate the DPF
when any of the following regeneration modes are met. During regeneration, the
regeneration lamp and HEST lamp turn on to warn the operator of the hot exhaust gas.
At this time, normal operation is possible, although with caution to safety. Once
regeneration is complete after 20-30 minutes, the regeneration lamp and HEAT lamp
turn off.
5.6.7 MANUAL REGENERATION MODE (FORCED REGENERATION)
This regeneration mode is performed by the operator while the vehicle is in operation.
Forced regeneration (Active Regeneration) may not be performed under the following
operating conditions, so the operator must perform manual regeneration according to
the vehicle warnings as befits the circumstances.
l
Working under a low load or driving at low speeds over short distances
l
Frequent idling
5.6.8 CONDITIONS FOR FORCED REGENERATION
1. Coolant (engine oil) temperature of 40
o
or higher.
2. Engine rpm: idling
3. Bonnet down and secured
4. Hopper tray in the raised position and secured
5.6.9 REMOVAL
Remove the temperature sensor and differential pressure sensor installed in the DPF,
perform a visual inspection upstream and downstream of the DPF to check for any
damage or melting. Take care not to damage the DPF.
1. Inspect upstream and downstream of the DPF to check for any damage or
melting on the DPF.
2. Check downstream of the DPF for soot. If any spot (black) is found during visual
inspection and cannot be removed even after being wiped with a cloth or paper
towel, there is a problem with the DPF. If this is the case contact
FörstAssistimmediately.
12-00-004 v2.1 92
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