caterpillar fapt presentation.pdf
TRANSCRIPT
![Page 1: Caterpillar FAPT Presentation.pdf](https://reader034.vdocuments.us/reader034/viewer/2022050805/55cf9265550346f57b9616e2/html5/thumbnails/1.jpg)
Caterpillar® C7Caterpillar® C7with
ACERTTM TECHNOLOGYwith
ACERTTM TECHNOLOGY
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Caterpillar® C7Caterpillar® C7
2006 2007
7.2L In-line 6 Cylinder520 – 860 lb-ft Torque @ 1440 rpm
190-300 hp @ 2200 rpm Truck and Bus300-350 hp @ 2400 rpm RV and Fire Truck1,425 lbs.
190-350 hp @2500 rpm1,295 lbs.
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Caterpillar® C7Caterpillar® C7
Common Rail Fuel SystemVariable Nozzle TurboClean Gas Induction Diesel Particulate Filter
2007 Enhancements
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4 MAF Sensor
VariableNozzleTurbo
CGI Cooler
Cat RegenerationSystem
Closed Crankcase Ventilation
ADEM IV ECM
CGI Valve
CGI ValveActuator
CRS Air SupplyControl
2007 C7
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A4 ECM
Cat Air Compressor
High pressure fuel pump Common Rail
Fuel System
2007 C7
CylinderHead
Modified for new fuel system
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Common Rail Fuel SystemCommon Rail Fuel SystemFacilitates compliance with 2007 emissions regulationsClean combustion technology Optimizes performanceIncreases fuel economy by up to 4%
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2007 AftertreatmentCooled Exhaust Gas Recirculation (CEGR)
PM, NOx,
CO2, HC
PM, NOx,
CO2, HC
Diesel Oxidation Catalyst Particulate Trap
PM, NOx, CO2, HC
Diesel Particulate Filter/MufflerEGR
NOx , H2O, CO2
PM, NOx,
CO2, HC
PM, NOx,
CO2, HC
Clean Gas Induction (CGI)Clean Gas Induction (CGI)NOx , H2O, CO2
NOx , H2O, CO2
NOx , H2O, CO2
NOx , H2O, CO2
Particulate Trap
PM, NOx, CO2, HC
Diesel Particulate Filter/Muffler
CGI
PM, NOx,
CO2, HC
PM, NOx,
CO2, HC
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DPF Physical Data
• Weight – Approx 120-135 Lbs
• Provides Sound Attenuation• Diameter range 11-15 inches• Manufactured by Cat• Serviced by Cat
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Soot CollectsAlong the
Inlet Walls
Particulate Matter or Soot
CleanExhaust Out(CO2, H2O)
Filter Substrate
Cordierite
Cells Fill Up
Wall Flow Filter TechnologyWall Flow Filter Technology
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Active Regeneration OptionsActive Regeneration Options
Auxiliary Heater
Increases exhaust temperature at the engine to promote regeneration
Cat Regeneration System
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“Active” Regeneration:Filter is Heated by Auxiliary Means
DPF
Regenerate under all conditionsOptimal fuel economy
Self-Regenerating DPF FilterSelf-Regenerating DPF Filter
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System Design for Engine Thermal Management
System Design for Engine Thermal Management
100ºC 200ºC 300ºC 400ºC 500ºC 600ºC(212ºF) (392ºF) (572ºF) (752ºF) (932ºF) (1112ºF)
ACERTOxidationCatalyst
Not Too Hot,Not Too Cold
2007After-
Treatment
Temperature Required for Self - Regeneration
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Minimum first cleaning required at 150,000 milesOn- or off-vehicle cleaning by dealers or customers
Cleaning Out Residual Ash is a Regular Maintenance Procedure
DPF CleaningDPF Cleaning
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Cat Process Should be About Half That Time
Target Service Time is 2 Hours of Shop LaborTarget Service Time is 2 Hours of Shop Labor
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DPF Ash Service ToolDPF Ash Service Tool
RemovableInlet & Outlet
Pipe
RemovableOutlet Section &
Inlet Pipe
Connects to DPF by 3” & 5” hose
Marmon Flange Connector
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Cleaner Assembly On -Chassis
Cleaner Assembly On -Chassis
Pressure line connected to filter Outlet
Vacuum line connected to filter Inlet
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Reduces BTUs By 1% Resulting in Fuel Economy Loss Of 1%
AvailabilityUltra Low Diesel FuelUltra Low Diesel Fuel
At refineries by June 2006At terminals by July 15, 2006At retails outlets October 15, 2006
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For Your Businessand Continued Support
For Your Businessand Continued Support