90126-ZV4-000 BOLT, HEX. (6X160) (Honda Code 2945038). Honda
BF15A1 LA, BF15A1 LAS, BF15A1 SA, BF15A1 SAS, BF15A1 XAS, BF15A2 LA, BF15A2 LAS, BF15A2 SA, BF15A2 SAS, BF15A2 XAS, BF15AM LA, BF15AM LAS, BF15AM SA, BF15AM SAS, BF15AM XAS, BF15AW LA, BF15AW LAS, BF15AW SA, BF15AW SAS, BF15AW XAS, BF15AX LA, BF15AX
BOLT
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Compatible models:
BF15A1 LA
BF15A1 LAS
BF15A1 SA
BF15A1 SAS
BF15A1 XAS
BF15A2 LA
BF15A2 LAS
BF15A2 SA
BF15A2 SAS
BF15A2 XAS
BF15AM LA
BF15AM LAS
BF15AM SA
BF15AM SAS
BF15AM XAS
BF15AW LA
BF15AW LAS
BF15AW SA
BF15AW SAS
BF15AW XAS
BF15AX LA
BF15AX LAS
BF15AX SA
BF15AX SAS
BF15AX XAS
BF15AY LA
BF15AY LAS
BF15AY SA
BF15AY SAS
BF15AY XAS
BF9.9AM LA
BF9.9AM LAS
BF9.9AM SA
BF9.9AM SAS
BF9.9AM XA
BF9.9AM XAS
BF9.9AW LA
BF9.9AW LAS
BF9.9AW SA
BF9.9AW SAS
BF9.9AW XA
BF9.9AW XAS
BF9.9AX LA
BF9.9AX LAS
BF9.9AX SA
BF9.9AX SAS
BF9.9AX XA
BF9.9AX XAS
BF9.9AY LA
BF9.9AY LAS
BF9.9AY SA
BF9.9AY SAS
BF9.9AY XA
BF9.9AY XAS
Honda
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Information:
Illustration 1 g03275157
Caterpillar (standard) Tier 4 open genset system configuration for the C175 engine
(1) CEM
(2) Dosing control cabinet
(3) Diesel Exhaust Fluid (DEF) buffer tank
Illustration 2 g02665059
Caterpillar (standard) Tier 4 open genset system configuration for the 3500 engine
(1) CEM
(2) Dosing control cabinet
(3) Diesel Exhaust Fluid (DEF) buffer tank System Block Diagram
Illustration 3 g02430859
(1) CEM
(2) Dosing control cabinet
(3) DEF customer supply tank
(4) Compressed air supply
(5) Air to air aftercooler
(6) Air cleaner
(7) Turbocharger compressor
(8) Turbocharger turbine
(9) Diesel Oxidation Catalyst (DOC)
(10) Mixing tube
(11) Selective Catalyst Reduction (SCR)
(12) Ammonia Oxidation (AMOx) Catalyst
(13) Exhaust out Diesel Exhaust Fluid (DEF)
Note: A tool is available to measure the DEF concentration. The tool is the 431-7087 Tool Gp (Refractometer). Refer to Testing and Adjusting, "Diesel Exhaust Fluid Quality - Test" for the correct procedure.Selective Catalyst Reduction (SCR) refers to a method of treating engine exhaust in order to reduce the undesired oxides of nitrogen compounds NOx. SCR uses a catalyst which promotes a desired chemical reactions over other possible chemical reactions. The catalyst remains unchanged. Ammonia (NH3) is mixed into the exhaust, and reacts with the NOx in the presence of the catalyst to form harmless compounds (water and nitrogen). In this system, urea ((NH2)2CO) is injected into the exhaust, which quickly decomposes into ammonia under the heated conditions. Urea is used because urea is inexpensive, and does not need the special handling that ammonia requires.DEF is aqueous urea (urea salt dissolved in water).A 32.5 percent (by weight) solution of DEF is required for the system.A 32.5 percent concentration has the lowest freezing point possible, −11 °C (11 °F), for this solution.A 32.5 percent concentration of urea keeps a constant concentration through freezing and thawing.DEF must be stored below 50 °C (122 °F) to delay decomposition.Note: The customer is responsible for providing primary filtering of the DEF from the site tank to the buffer tank. The system requires a 40 micron primary filter.Use only DEF that meets quality properties per ISO 22241-1. Using DEF that does not meet ISO 22241-1 can result in clogging of the injection nozzle.Refer to Operation and Maintenance Manual, "Maintenance Section" in order to obtain locations for DEF suppliers.DEF is a non-toxic source of ammonia. A 32.5 percent concentration is slightly alkaline, having a pH of 9.5, similar to baking soda or soap. DEF is corrosive. Do not store DEF in a tank or use supply lines that are made of the following materials: aluminum, brass and steel. Use only corrosion resistant materials such as PVC or stainless steel. Any O-rings must be Ethylene Propylene Diene Monomer (EPDM).Clean Emissions Module (CEM) for C175 Engines
Illustration 4 g03274338
Internal view of the CEM for the C175 engine
(1) Engine exhaust to the CEM
(2) DOCs
(3) Treated exhaust leaving the CEM
(4) Ammonia Oxidation (AMOx) Catalyst
(5) DEF injector
(6) SCRs
(7) Mixing tube Clean Emissions Module (CEM) for 3500 Engines
Illustration 5 g02693696
Internal view of the CEM for the 3500 engine
(1) Engine exhaust to the CEM
(2) Treated exhaust leaving the CEM
(3) DOCs
(4) DEF injector
(5) Ammonia Oxidation (AMOx) Catalyst
(6) SCRs
(7) Mixing tube CEM Operation
The aftertreatment system for the exhaust combines the following technologies:
Selective Catalyst Reduction (SCR)
Diesel Oxidation Catalyst (DOC)The SCR reduces NOx.The DOC reduces the following:
Carbon monoxide
Hydrocarbons
Soluble organic fractionThe DOC and SCR are packaged together in a module. The module is called the Clean Emissions Module (CEM). Exhaust gas enters into the CEM through the inlet housing and passes through the DOC.The exhaust gas then enters the mixing tube, where the DEF is injected into the exhaust stream.The DEF decomposes into ammonia and carbon dioxide.The mixture of exhaust and ammonia travels through the SCR.The ammonia reacts with the NOx in the exhaust stream at the SCR catalyst to produce water vapor and nitrogen. Any residual ammonia in the exhaust gas is decomposed in the Ammonia Oxidation (AMOx) Catalyst before exiting the CEM.Dosing Control Cabinet
Illustration 6 g02626381
Dosing control cabinet
(1) Dosing control cabinet
(2) SCR system ECM
(3) DEF pump
(4) DEF manifold
(5) DEF buffer tank The dosing control cabinet controls the following:
Rate of DEF flow to the injector
Compressed airCompressed air is used for the following:
Assist in the atomizing of the liquid DEF during injection into the exhaust stream
Shield the liquid DEF in the injector from the exhaust heat until spraying, so that no crystallization occurs which could plug the injection nozzle.
Purge the DEF line to the injector during shutdown in order to prevent crystallization of DEF resulting in a plug.Compressed Air Supply to Dosing Cabinet
Air can be supplied by using shop air already available at the site or by installing a Cat-approved air compressor arrangement. In either case, the air provided to the dosing cabinet needs to be dry and clean. An oil-less air compressor is required.Oil can foul the catalyst and prevent the necessary chemical reactions from occurring. Sediment in the airline can plug the injection system.Note: An optional air compressor system is available from Caterpillar that is designed specifically for use with the aftertreatment system.
Parts bolt Honda:
90017-ZV0-000
90017-ZV0-000 BOLT, FLANGE (6X18) (Honda Code 1816370).
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, BF25AW LHA, BF25AW LHSA, BF25AW LRSA, BF25AW SHA, BF25AW SHSA, BF25AW SR
90019-ZV1-010
90019-ZV1-010 BOLT, FLANGE (5X10) (Honda Code 7183973).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,
95701-06050-02
95701-06050-02 BOLT, FLANGE (6X50) (Honda Code 2801363).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115AX LA, BF115AX LCA, BF115AX XA, BF115AX XCA, BF115AY LA, BF115AY LCA, BF115AY XA, BF115AY XCA, BF130A1 LA, BF130A1 LCA, BF130A1 XA, BF130A1 XCA,
95701-08065-02
95701-08065-02 BOLT, FLANGE (8X65) (Honda Code 2801397).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115AX LA, BF115AX LCA, BF115AX XA, BF115AX XCA, BF115AY LA, BF115AY LCA, BF115AY XA, BF115AY XCA, BF130A1 LA, BF130A1 LCA, BF130A1 XA, BF130A1 XCA,
90022-ZV4-003
90022-ZV4-003 BOLT, HEX. (6X14) (Honda Code 2800290).
BF15A1 LA, BF15A1 LAS, BF15A1 SA, BF15A1 SAS, BF15A1 XAS, BF15A2 LA, BF15A2 LAS, BF15A2 SA, BF15A2 SAS, BF15A2 XAS, BF15AM LA, BF15AM LAS, BF15AM SA, BF15AM SAS, BF15AM XAS, BF15AW LA, BF15AW LAS, BF15AW SA, BF15AW SAS, BF15AW XAS, BF15AX LA, BF15AX
90013-ZV0-010
90013-ZV0-010 BOLT, FLANGE (6X12) (Honda Code 6556187).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,
93404-05016-08
93404-05016-08 BOLT-WASHER (5X16) (Honda Code 5989025).
BF2.3DK2 LCHA, BF2.3DK2 SCHA, 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, BF2D3 SCAB, BF2D3 SCHA, BF2D3 SHA, BF2D4 LCHA, BF2D
90001-ZM7-000
90001-ZM7-000 BOLT, CONNECTING ROD (Honda Code 5988910).
BF2.3DK2 LCHA, BF2.3DK2 SCHA, 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, BF2D3 SCAB, BF2D3 SCHA, BF2D3 SHA, BF2D4 LCHA, BF2D