50525-ZV7-020 SEE PART DETAILS - PRI; SHAFT, TILT (Honda Code 7492812). Honda
BF25A1 LHA, BF25A1 LHSA, BF25A1 LRSA, BF25A1 SHA, BF25A1 SHSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 LRSA, BF25A2 SHA, BF25A2 SHSA, BF25A2 SRSA, BF25A2 XRSA, BF25A3 LHA, BF25A3 LHSA, BF25A3 LRSA, BF25A3 SHA, BF25A3 SHSA, BF25A3 SR
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BF25A1 LHA
BF25A1 LHSA
BF25A1 LRSA
BF25A1 SHA
BF25A1 SHSA
BF25A1 SRSA
BF25A1 XRSA
BF25A2 LHA
BF25A2 LHSA
BF25A2 LRSA
BF25A2 SHA
BF25A2 SHSA
BF25A2 SRSA
BF25A2 XRSA
BF25A3 LHA
BF25A3 LHSA
BF25A3 LRSA
BF25A3 SHA
BF25A3 SHSA
BF25A3 SRSA
BF25A3 XRSA
BF25AW LHA
BF25AW LHSA
BF25AW LRSA
BF25AW SHA
BF25AW SHSA
BF25AW XRSA
BF25AX LHA
BF25AX LHSA
BF25AX LRSA
BF25AX SHA
BF25AX SHSA
BF25AX SRSA
BF25AX XRSA
BF25AY LHA
BF25AY LHSA
BF25AY LRSA
BF25AY SHA
BF25AY SHSA
BF25AY SRSA
BF25AY XRSA
BF25D4 LHA
BF25D4 SHA
BF25D5 LHA
BF25D5 SHA
BF25D6 LHA
BF25D6 SHA
BF25DK0 LHA
BF25DK0 SHA
BF30A1 LHA
BF30A1 LHSA
BF30A1 LRSA
BF30A1 SHA
BF30A1 SRSA
BF30A2 LHA
BF30A2 LHSA
BF30A2 LRSA
BF30A2 SHA
BF30A2 SRSA
BF30A3 LHA
BF30A3 LHSA
BF30A3 LRSA
BF30A3 SHA
BF30A3 SRSA
BF30AW LHA
BF30AW LHSA
BF30AW LRSA
BF30AW SHA
BF30AX LHA
BF30AX LHSA
BF30AX LRSA
BF30AX SHA
BF30AX SRSA
BF30AY LHA
BF30AY LHSA
BF30AY LRSA
BF30AY SHA
BF30AY SRSA
BF30D4 LHA
BF30D5 LHA
BF30D6 LHA
BF30DK0 LHA
Honda
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Information:
Illustration 1 g06237614
(1) Diesel Oxidation Catalyst (DOC)
(2) Selective Catalytic Reduction (SCR) catalyst
(3) Diesel Particulate Filter (DPF)
(4) ARD body
(5) Connection for the coolant
(6) ARD head
(7) Pilot fuel line
(8) Spark plug
(9) Relay for the Heated Nozzle
(10) Line for combustion air
(11) Exhaust from turbocharger
(12) ARD combustion air valve
(13) Compressed air from turbocharger
(14) Ignition coil
(15) ARD fuel manifold
(16) In-line fuel filter
(17) Electric priming pump
(18) Primary fuel filter
(19) Fuel from tankClean Emissions Module Basics
The Clean Emissions Module (CEM) contains the Aftertreatment Regeneration Device (ARD), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) system. The CEM contains various mechanical and electrical components that reduce various exhaust emissions emitted from the engine. All the systems for the CEM are controlled by the engine ECM.The two major functions of the clean emissions module are:
Carbon Monoxide and hydrocarbon emitted from the engine are oxidized through the Diesel Oxidation Catalyst (DOC) and the particulate matter (soot) is trapped in the Diesel Particulate Filter (DPF). The trapped particulate matter is cleaned from the DPF through a catalytic reaction and by heating the filter through a process called Regeneration.
NOx emissions emitted from the engine are reduced through a process called Selective Catalytic Reduction (SCR).Aftertreatment Regeneration Device (ARD)
The ARD is primarily used to regenerate, or clean, soot from the DPF. The ARD is also used to heat and maintain the SCR system. The ARD is made up of fuel, air, and electrical subsystems. Regeneration is a process which uses diesel fuel and boost air from the turbocharger to create a high temperature flame. The heat from that high temperature flame is introduced to the inlet of the DPF.The soot load on most Tier IV Final products is burned passively. This is due to the addition of the SCR. The SCR cleans up NOx, which allows the engine to produce more NOx. The engine now produces less soot since the higher NOx output allows soot to burn off at lower temperatures. For this reason active regeneration may not be required to burn soot. Regenerations will still be desired to maintain the ARD head and SCR system.To regenerate the DPF at the right time, the ECM must know what the soot level is and how much time has passed since the last regeneration occurred. This time remaining until a regeneration must be performed is displayed on the dash as "Time To Regen" and has soot and time as an input. The soot input is a function of:
Delta pressure measurement across the DPF
Calculated model based on developed engine out soot measurementsThe information gathered from these two inputs is converted into a percentage of soot output. Soot level can be viewed through Cat® Electronic Technician (ET).Note: If the "Time To Regen" is driven by the timer, it will count down in real time. If driven by soot, it may count down slightly faster than real time depending on soot rate. About 95 percent of applications will be driven by the timer and not soot. If driven by soot, once the "Time To Regen" reads 0 the soot percent is at least 100 percent. Whenever "Time To Regen" reads 0, a regeneration must be performed.Regeneration Triggers
There are four methods for triggering a regeneration:Soot - The DPF will collect soot produced by the engine. An automatic regeneration will become active to reduce soot level. Details on how soot level is used to trigger regenerations are explained in "Regeneration Action Strategies" section.Start-Up Regeneration - A start-up regeneration is initiated by the ECM after a cold engine start. This regeneration is performed to heat the system to a required temperature for Diesel Exhaust Fluid (DEF) dosing to begin. DEF dosing requirements are explained in Systems Operation, "DEF Dosing Control System" section.SCR Maintenance - A regeneration is performed to maintain the SCR system. This regen is triggered when there is ammonia slip or poor NOx conversion. Details are explained in Systems Operation, "DEF Dosing Control System" sectionARD Maintenance - A regeneration is performed to maintain the ARD system. Fresh fuel must be flowed through the ARD head to allow a heated nozzle cycle. The heated nozzle cycle is used to clean the ARD nozzle. Details on the heated nozzle cycle are explained in the "Aftertreatment Fuel System" section.Regeneration Action Strategies
The soot level percentage and time until a regen is required are generated by the ECM and used in determining:
When to activate the DPF lamp
When to activate the action lamp
When to activate the action alarm (if equipped)
When to activate the forced engine low idle strategy
When to activate the forced engine shutdown strategy
Regeneration lockout
When a manual regeneration is allowed
When an automatic regeneration is allowed
Illustration 2 g06257907Action Lamp - The action lamp will be illuminated at 100 percent soot level or "Time To Regen" is 0. The DPF lamp will remain on with the action lamp. A 3719-16 or 3750-17 code will become active. At 116% soot level a 3719 -0 code will become active. When the "Time To Regen" has been 0 for 6.4 hours, an action alarm will be activated (if equipped) and the engine will be 100% derated. A 3750-18 code will become active.Automatic Regeneration - The ECM initiates automatic regenerations when criteria for one of the four regen trigger types are met. Depending on engine operating conditions, the regeneration will start as a low speed or high-speed regeneration. If a low speed regeneration has started and operating conditions change, the regeneration will transition to a high-speed regeneration without interruption.
Illustration 3 g03749894Check Engine Lamp (CEL): - This amber warning lamp will illuminate for any level 2 or level 3 fault that affects the engine. This includes any DPF-related issue that impacts the engine.
Illustration 4 g03749907DPF Lamp - The DPF lamp will be illuminated when soot level reaches 90 percent or "Time To Regen" is less than 3.2 hours.Forced low idle strategy - The forced low idle strategy will be activated after the soot level has been at 116 percent for 5 minutes. Now, the engine will automatically drop to the programmed low idle speed. The only method to unlock the low idle speed
Parts see Honda:
16957-ZE1-812
16957-ZE1-812 SEE PART DETAILS - PRI; GASKET, VALVE (Honda Code 3440708).
BF2.3DK2 LCHA, BF2.3DK2 SCHA, BF2AM SA, BF2AM SAB, BF2AW LA, BF2AW SA, BF2AW SAB, BF2D1 LCHA, BF2D1 SA, BF2D1 SAB, BF2D1 SCAB, BF2D1 SCHA, BF2D1 SHA, BF2D2 LCHA, BF2D2 SA, BF2D2 SAB, BF2D2 SCAB, BF2D2 SCHA, BF2D2 SHA, BF2D3 LCHA, BF2D3 SA, BF2D3 SAB,
95700-06012-00
95700-06012-00 SEE PART DETAILS - SUP; BOLT, FLANGE (6X12) (Honda Code 0487025).
BF2AM SA, BF5AM LA, BF5AM SA
94101-06800
94101-06800 SEE PART DETAILS - PRI; WASHER, PLAIN (6MM) (Honda Code 0345900).
BF2AM SA, BF2AM SAB, BF2AW LA, BF2AW SA, BF2AW SAB
90014-ZV1-010
90014-ZV1-010 SEE PART DETAILS - PRI; BOLT, FLANGE (5X22) (Honda Code 7496573).
BF15A1 LA, BF15A1 SA, BF15A2 LA, BF15A2 SA, BF15AM LA, BF15AM SA, BF15AW LA, BF15AW SA, BF15AX LA, BF15AX SA, BF15AY LA, BF15AY SA, BF25A1 LHA, BF25A1 SHA, BF25A2 LHA, BF25A2 SHA, BF25A3 LHA, BF25A3 SHA, BF25D4 LHA, BF25D4 SHA, BF25D5 LHA, BF25D5 SHA
87121-ZV1-C00
87121-ZV1-C00 SEE PART DETAILS - SUP; MARK, RR. (Honda Code 3747177).
BF5AM LA, BF5AM SA, BF5AX LA, BF5AX SA
19210-881-A01
19210-881-A01 SEE PART DETAILS - SUP; IMPELLER, PUMP (Honda Code 3739604).
BF5AM LA, BF5AM SA, BF5AX LA, BF5AX SA, BF8AM LA, BF8AM SA, BF8AM XA, BF8AX LA, BF8AX SA, BF8AX XA
50325-881-310
50325-881-310 SEE PART DETAILS - SUP; SCREW, CLAMP (Honda Code 2944734).
BF15AM LA, BF15AM LAS, BF15AM SA, BF15AM SAS, BF15AM XAS, BF15AW LA, BF15AW LAS, BF15AW SA, BF15AW SAS, BF15AW XAS, BF25A1 LHA, BF25A1 LHSA, BF25A1 LRSA, BF25A1 SHA, BF25A1 SHSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 LRSA, BF25A2
16700-ZW1-004
16700-ZW1-004 SEE PART DETAILS - PRI; PUMP ASSY., FUEL (Honda Code 6816839).
BF25A1 LHA, BF25A1 LHSA, BF25A1 LRSA, BF25A1 SHA, BF25A1 SHSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 LRSA, BF25A2 SHA, BF25A2 SHSA, BF25A2 SRSA, BF25A2 XRSA, BF25A3 LHA, BF25A3 LHSA, BF25A3 LRSA, BF25A3 SHA, BF25A3 SHSA, BF25A3 SR