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Maintenance and Specifications
OCR precautions and safe exhaust position
WARNING: Failure to comply with the following instructions for
operator commanded regeneration (OCR) may result in fire,
serious injury, death and/or property damage.
Before you start OCR, observe/do the following:
• Place the vehicle in P (Park) with the parking brake set on stable,
level ground.
• The vehicle must not be parked in a structure.
• The vehicle must be 10 – 15 feet (3 – 5 meters) away from any
obstructions,
• and must be away from materials that can easily combust or melt such
as: paper, leaves, petroleum products, fuels, plastics and other dry
organic material, such as grass.
• Make sure there is a minimum of 1/8 tank of fuel.
• Make sure all fluids are at proper levels.
Make sure that the louvers (holes) located at the tip of the exhaust are
also clear of any obstructions as they are used to introduce fresh air into
the tailpipe to cool the exhaust gas as it leaves. See Exhaust under the
Cleaning chapter for more information.
How to start operator commanded regeneration (OCR)
WARNING: Stay clear of exhaust tip during regeneration. You or
others can be burned.
Note: OCR will not be allowed until DPF load percentage has reached at
least 80%. The DPF load percentage will fluctuate up and down when
driving your vehicle due to active and passive regenerations.
Note: OCR will not be allowed to operate if the service engine soon
light
is illuminated
Note: During the use of OCR, you may observe a light amount of white
smoke. This is normal.
Note: During stationary PTO operation, OCR will change the engine speed
to 2,000 or 2,400 rpm (depending on vehicle application), therefore it is
recommended you exit PTO mode before starting OCR. During mobile PTO
use, OCR is not necessary; regeneration will function normally.
56
2012 Diesel (67l)
Supplement (supplement), 1st Printing
Arabic_(LHD) (gc_lhd)
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