Redwood Global Ltd - ST6D42
Operator and Maintenance Manual
Chapter 5: Maintenance
5.6.4 DPF REGENERATION METHODS
Stage V engines are designed to perform passive regeneration of soot accumulated in
the DPF even under normal exhaust conditions without needing to be initiated by the
operator. The DPF regeneration modes are divided into the following four stages
depending on soot build up in the DPF.
1. Soot level 80% or less: Normal operating conditions
2. Soot level 80-100%: Automatic regeneration during operation (Active
Regeneration)
3. Soot level: 100-120% Regeneration initiated by the operator (Forced Regeneration)
4. Soot level 120% or higher: Call for service (DPF Regeneration lamp blinking, engine
warning lamp on, drop in engine power)
12-00-004 v2.1 90
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