OPERATION
5-24 / Engine Exhaust After Treatment Systems
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5-12.4 Parked Regeneration
Parked regeneration, also known as stationary or manual regeneration, is an active regeneration that is performed
by the operator while the vehicle is parked. Follow this procedure to safely perform a parked regeneration.
IMPORTANT: If a parked regeneration is attempted, and the engine speed does not increase, contact
your engine dealer for assistance.
Table 5-2: Ford Parked Regeneration Engine Speeds
Table 5-3: Cummins Parked Regeneration Engine Speeds
NOTE: The apparatus does not need to be taken out of service to complete a parked regeneration. See
“Canceling Stationary Regeneration” on page 5-25.
Parked Regeneration causes high exhaust gas temperatures at zero vehicle speed. Keep personnel
away from exhaust outlet to avoid serious burns and injury.
Do not perform parked regeneration in an enclosed area (i.e. indoors). All internal combustion engines
give off hazardous fumes and gasses while running. Inhalation of exhaust fumes can cause death.
Do not sit in a parked vehicle for any extended amount of time with the engine running. Exhaust fumes
could leak into the cab area and death can result.
Do not perform parked regeneration while connected to an exhaust extraction system. Damage to the
exhaust extraction system may result.
ENGINE TYPE Ford 6.7L Diesel
PARKED REGEN RPM 2000-2500
ENGINE TYPE ISM ISL/ISC ISX 11.9 ISX 15
PARKED REGEN RPM 1400 1000 960 900
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