0913262 SPRAY DEFLECTOR JOHNSON
J120TLAEM, J120TLAIE, J120TLAND, J120TLASB, J120TLATF, J125ESXENR, J125ESXESS, J125ESXETA, J125ESXW, J140CXATF, J140CXCEC, J140CXEIA, J140CXENM, J140CXESR, J150CXCEM, J150CXEIE, J150CXESB, J150ELAIS, J150ELANC, J155WTLEIB, J155WTLENE, J155WTLESM, J15
SPRAY
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Compatible models:
J120TLAEM
J120TLAIE
J120TLAND
J120TLASB
J120TLATF
J125ESXENR
J125ESXESS
J125ESXETA
J125ESXW
J140CXATF
J140CXCEC
J140CXEIA
J140CXENM
J140CXESR
J150CXCEM
J150CXEIE
J150CXESB
J150ELAIS
J150ELANC
J155WTLEIB
J155WTLENE
J155WTLESM
J155WTLZ
J175EXEIS
J175EXENC
J175STLCEB
J175STLEID
J175STLESE
J185ESXENR
J185ESXESS
J185ESXW
J200CXCEA
J200CXEIB
J200CXENE
J200CXESM
J225CXCED
J225CXEIC
J225CXENR
J225CXESS
J250CXEIE
J250CXEND
J300CXCEM
J300CXEIE
J300CXEND
J300CXESB
JOHNSON
BRP JOHNSON entire parts catalog list:
- MIDSECTION » 0913262
J120TLAND, J120TLEND, J120TXEND, VJ120TLAND, VJ120TLEND, VJ120TXEND 1992
J120TLASB, J120TLESB, J120TXESB, VJ120TLASB, VJ120TLESB, VJ120TXESB 1990
J120TLATF, J120TLATS, J120TLETF, J120TLETS, J120TXATF, J120TXATS, J120TXETF, J120TXETS, VJ120TLATF, VJ120TLATS, VJ120TLETF, VJ120TLETS, VJ120TXETF, VJ120TXETS 1993
J125ESXENR 1992
J125ESXESS 1990
J125ESXETA, J125ESXETF 1993
J125ESXW 1989
J140CXATF, J140CXATS, J140CXETB, J140CXETF, J140TLATC, J140TLATF, J140TLETC, J140TLETF, J140TXATF, J140TXATS, J140TXETC, J140TXETF, VJ140TLETC, VJ140TLETF, VJ140TXETC, VJ140TXETF 1993
J140CXCEC, J140TLAEB, J140TLCEB, J140TXCEB 1989
J140CXEIA, J140TLEID, J140TXEID, VJ140TLAID, VJ140TLEID, VJ140TXEID 1991
J140CXENM, J140TLANS, J140TLENS, J140TXENS, VJ140TLANS, VJ140TLENS, VJ140TXENS 1992
J140CXESR, J140TLASE, J140TLESE, J140TXESE, VJ140TLASE, VJ140TLESE, VJ140TXESE 1990
J150CXCEM, J150TLAEM, J150TLCEM, J150TXCEM, TJ150TXCEM 1989
J150CXEIE, J150JLEIE, J150TLAIE, J150TLEIE, J150TXEIE, VJ150TLEIE, VJ150TXEIE 1991
J150CXESB, J150TLASB, J150TLESB, J150TXESB, VJ150TLESB, VJ150TXESB 1990
J150ELAIS, J150ELEIS, J150EXEIS, J150GLEIS, J150NXEIS, TJ150GLEIS, VJ150ELEIS, VJ150EXEIS, VJ150GLEIS 1991
J150ELANC, J150ELENC, J150EXENC, J150GLENC, J150JLENC, J150NXENC, TJ150GLENC, VJ150ELANC, VJ150ELENC, VJ150EXENC 1992
J155WTLEIB, J155WTXEIB 1991
J155WTLENE, J155WTXENE 1992
J155WTLESM, J155WTXESM 1990
J155WTLZ, J155WTXZ 1989
J175EXEIS, J175GLEIS, VJ175EXEIS, VJ175GLEIS 1991
J175EXENC, J175GLENC, J175NXENC, VJ175EXENC, VJ175GLENC 1992
J175STLCEB, J175TXCEB 1989
J175STLEID, J175TXEID, VJ175SLEID, VJ175TXEID 1991
J175STLESE, J175TXESE, VJ175SLESE, VJ175TXESE 1990
J185ESXENR 1992
J185ESXESS 1990
J185ESXW 1989
J200CXCEA, J200STLCEB, J200TXCEA, TJ200TXCEA 1989
J200CXEIB, J200STLEID, J200TXEIB, VJ200SLEID, VJ200TXEIB 1991
J200CXENE, J200STLENS, J200TXENE, VJ200SLENS, VJ200TXENE 1992
J200CXESM, J200STLESE, J200TXESM, VJ200SLESE, VJ200TXESM 1990
J225CXCED, J225PLAED, J225PLCED, J225PXCED, J225TLAED, J225TLCED, J225TXCED 1989
J225CXEIC, J225PLEIC, J225PXEIC, J225TLEIC, J225TXEIC, VJ225PLEIC, VJ225PXEIC, VJ225TLEIC, VJ225TXEIC 1991
J225CXENR, J225PLENR, J225PXENR, J225TLENR, J225TXENR, VJ225PLENR, VJ225PXENR, VJ225TLENR, VJ225TXENR 1992
J225CXESS, J225PLASS, J225PLESS, J225PXESS, J225TLASS, J225TLESS, J225TXESS, VJ225PLESS, VJ225PXESS, VJ225TLASS, VJ225TLESS, VJ225TXESS 1990
J250CXEIE, J250TXEIE 1991
J250CXEND, J250CZEND, J250TXEND, J250TZEND 1992
J300CXCEM, J300PLCEM, J300PXCEM 1989
J300CXEIE, J300PLEIE, J300PXEIE 1991
J300CXEND, J300PLEND, J300PXEND 1992
J300CXESB, J300PLESB, J300PXESB 1990
Information:
Illustration 1 g06240261
Typical example
(1) Exhaust inlet
(2) Diesel Exhaust Fluid (DEF) injector
(3) Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) canister
(4) Exhaust out
(5) Nitrogen Oxide (NOx) sensor
(6) Diesel Oxidation Catalyst (DOC)
(7) Diesel Exhaust Fluid (DEF) supply line
(8) Coolant return to engine line
(9) Diesel Exhaust Fluid (DEF) pump
(10) Coolant supply from engine line
(11) Coolant diverter valve
(12) Diesel Exhaust Fluid (DEF) tank
(13) Coolant supply connector
(14) Suction connector
(15) Backflow connector
(16) Coolant return connector
(17) DEF suction line
(18) DEF backflow lineThe purpose of Diesel Exhaust Fluid (DEF) is to create a Selective Catalytic Reduction (SCR) process to take place in the exhaust system to reduce Nitrogen Oxides (NOx).When the engine is keyed on but not running, DEF is not being injected into the system. When the engine is running, the DEF may be too cold or frozen to be injected. When the ambient or tank temperatures are cold enough, the engine ECM opens the coolant diverter valve to allow engine coolant to flow through the DEF tank to warm the system. The ECM also activates the heater circuits in the lines and pump to prevent DEF from freezing in the lines and pump. The time it takes to thaw the system depends on the tank temperature. Since the system always starts with empty lines, the pump activates to fill the lines with fluid before DEF injection begins.This is called DEF Priming mode. Once the system is primed, the DEF will be injected when the DEF tank and SCR temperatures are warm enough. If the system does not heat up after duration of time, a diagnostic code will become active.Note: Typical usage for DEF is 6-8% of diesel fluid.The DEF system has three operation modes:1. DEF Priming ModeSince the system always starts with empty lines, the pump activates to fill the lines with fluid before DEF injection begins. Priming will start when engine speed is greater than 450 rpm, DEF tank temp is greater than −6° C (21.2° F), and SCR inlet temperature is greater than 100° C (212° F). Once the system reads the appropriate pressures, priming is complete.2. DEF Injection ModeOnce the system is primed, the DEF will be injected when SCR inlet temperature is greater than 200° C (392° F). The DEF pump draws DEF from the tank and pressurizes the DEF to 900 kPa (130.5 psi). This pressure is constant throughout the operating cycle. The DEF injector sprays DEF into the exhaust before the SCR catalyst and continues spraying by pulsing on and off. The DEF injection rate is controlled by changing the duration of the DEF injector on time. If the engine is producing higher NOx, the DEF injector will turn on more frequently. To control the pressure to the DEF injector, a percentage of DEF will flow through the backflow line back to the tank.3. DEF Purge ModeWhen a DEF-related fault code becomes active or the engine is keyed OFF, the DCU enters purge mode. The system is designed to purge all DEF back to the DEF tank to prevent it from freezing in the pump and lines. The DEF injector opens and the DEF Reverting valve in the DEF pump reverses the flow of the DEF inside the pump. This removes the DEF from the pressure line and pumps it back to tank through the suction line. The purge takes approximately 2 minutes to remove DEF from the lines and pump. It is important NOT to turn off the battery disconnect switch during the purge process. If the purge process does not complete and the temperature of the DEF drops below −11° C (12° F), then the pump and lines are at risk of damage. If the purge process does not complete, a diagnostic code will become active.NOx MonitoringThere are two NOx sensors supplied with the engine. One NOx sensor is installed in the exhaust inlet from the turbocharger (engine out). The other NOx sensor is installed in the exhaust pipe of the application (CEM out).The amount of DEF needed is based on NOx production. The engine produces NOx as the engine operates at a specific target to meet emission requirements. The engine out NOx sensor measures the amount and communicates that value to the ECM. The tailpipe out NOx sensor monitors the NOx level out of the catalyst and communicates that value to the ECM. Based on the engine out and the tail pipe out NOx sensor values, the flow rate of DEF will adjust to meet the NOx allowed per regulations.NOx Sensors
Illustration 2 g03364155
(21) Electrical connector
(22) Sensor electronic control unit
(23) Cable (black for engine out, gray for CEM out)
(24) Sensing unitThe NOx sensor contains a sensing element, a harness, and an electronic control unit. The sensing element is composed of two chambers and a heater. The first chamber measures the amount of oxygen and the second chamber measure the amount of NOx and Ammonia (NH3). Using electrochemistry, a ceramic material attracts ions at approximately 800° C (1472° F) and an electrode on the chamber wall measures the electrical charge in voltage or current. The voltage or current signal is then received by the NOx sensors electronic control unit and interpreted into a NOx concentration. The heater is used to maintain the sensing element temperature, as sensing element is sensitive to moisture. If the sensor sees any moisture while at 800° C (1472° F), then the moisture could quickly cool the element which would cause the element to crack. At engine start-up there is always some moisture within the exhaust pipes. So the sensors will not start working until the exhaust temperature around the sensors is greater than 100° C (212° F) for approximately two and a half minutes.Note: For information on handling the NOx sensors, refer to Special Instruction, REHS8151.Electric Components
Illustration 3 g06240619
(1) DEF fill port
(2) Coolant Return port
(3) DEF pump
(4) Coolant diverter valve
(5) DEF tankThe Pump Electronics Tank Unit (PETU) consists of the following components:Coolant Diverter ValveControls coolant flow to the tank and DEF pumpCoolant ReturnThe coolant will return to the engine water pump inlet through this
Parts spray JOHNSON:
0332815
0332815 SPRAY PAINT, 12 oz., dark red
D25RWA, J100STLCCA, J100STLCEM, J100STLEIE, J100STLEND, J100STLESB, J100STLETS, J10ECCD, J10ECDB, J10ECES, J10ECUE, J10EEIR, J10EEOE, J10EERB, J10EESC, J10EETM, J110MLCCA, J110MLCDC, J110MLCEM, J110MLCUR, J115JLEIE, J115JLEND, J115JLETS, J115MLESB, J
0334979
0334979 SPRAY PLATE
J120TLAEM, J120TLAIE, J120TLAND, J120TLASB, J125ESXENR, J125ESXESS, J140CXCEC, J140CXEIA, J140CXENM, J140CXESR, J150CXCEM, J150CXEIE, J150CXESB, J150ELAIS, J150ELANC, J155WTLEIB, J155WTLENE, J155WTLESM, J155WTLZ, J175EXEIS, J175EXENC, J175STLCEB, J17
0912619
0338749
0338749 SPRAY PLATE
J120TLARC, J120TLATF, J125ESXERK, J125ESXETA, J140CXARC, J140CXATF, J150ELARA, J150ELATG, J150WTLERC, J150WTLETG, J175EXARC, J175EXATG, J185ESERK, J185ESXETA, J200CXARC, J200CXATF, J225CXARC, J225CXATF, J250CXARC, J250CXATF, J300CXERC, J300CXETF
0339307
0338750
0338750 SPRAY DEFLECTOR
J120TLARC, J120TLATF, J125ESXERK, J125ESXETA, J140CXARC, J140CXATF, J150ELARA, J150ELATG, J150WTLERC, J150WTLETG, J175EXARC, J175EXATG, J185ESERK, J185ESXETA, J200CXARC, J200CXATF, J225CXARC, J225CXATF, J250CXARC, J250CXATF, J300CXERC, J300CXETF