Exhaust aftertreatment system
Regeneration
WARNING
Risk of burns.
Engine and exhaust system components get very
hot and can cause severe burns.
Avoid contact with engine compartment covers,
engine components and exhaust system until the
engine is cooled down.
NOTE!
Some smoke might be seen coming from the
exhaust stack during regeneration of the
aftertreatment system on a machine run on diesel
fuel with high sulfur content.
The purpose of regeneration is to raise the
temperature in the aftertreatment system so that
any trapped substances are burned off to allow the
system to regain its full capacity.
Normal operation
During normal operation, passive regeneration
occurs continuously.
Parked regeneration
Parked regeneration may be necessary if
- previous regeneration steps have failed or have
been cancelled repeatedly
- too much time has passed since the last
regeneration
- the aftertreatment system has accumulated
excessive amounts of particles or sulphur
No work can be performed during a parked
regeneration. The engine speed is raised during a
parked regeneration. It is not advisable to cancel a
parked regeneration which is in progress, except in
an emergency.
To start a parked regeneration, the operator must
stop the machine, lower the control lockout lever to
V1147263
Regeneration
Stop
Start
Regeneration menu
184
Operating instructions
Exhaust aftertreatment system
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