5.6.10 REMOVING ASH AND CLEANING THE DPF
During the regeneration soot in the DPF, ash accumulates in the DPF. Once a certain
amount of ash accumulates, engine performance and fuel efficiency are affected due to a
build up of back pressure from the exhaust system, so ash cleaning must be performed
regularly to prevent any worsening of engine performance or fuel efficiency. The DPF
part of the DPF assembly must be disassembled in order to clean out ash.
Although the interval varies depending on operating conditions, operating
environment and type of engine oil used, ash cleaning is usually performed every 5000
hours of engine operating time under normal conditions.
CAUTION
1. Use only EN590 Ultra Low Sulpher Diesel
2. Use only CJ-4 or ACEA E9 engine oil
Chapter 5: Maintenance
Redwood Global Ltd - ST6D42
Operator and Maintenance Manual
93 12-00-004 v2.1
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