0125409 BRACKET JOHNSON
D100WTLM, J100STLCCA, J100STLCEM, J100STLEIE, J100STLESB, J100WTLEIB, J100WTLENE, J100WTLERS, J100WTLESM, J100WTLETD, J100WTLZ, J110MLCCA, J110MLCEM, J115JLEIE, J115MLESB, J120TLAEM, J120TLAIE, J120TLASB, J125ESXESS, J140CXCEC, J140CXEIA, J140CXESR,
BRACKET
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Compatible models:
D100WTLM
J100STLCCA
J100STLCEM
J100STLEIE
J100STLESB
J100WTLEIB
J100WTLENE
J100WTLERS
J100WTLESM
J100WTLETD
J100WTLZ
J110MLCCA
J110MLCEM
J115JLEIE
J115MLESB
J120TLAEM
J120TLAIE
J120TLASB
J125ESXESS
J140CXCEC
J140CXEIA
J140CXESR
J200CXEIB
J225CXEIC
J40ECEC
J40EEIA
J40EESR
J50BECEC
J50BEEIA
J50BEESR
J50TELCEC
J60ELCCR
J60ELCEA
J60ELEIB
J60ELESM
J70ELCCA
J70ELCEM
J70ELEIE
J70ELESB
J88MSLCCC
J88MSLCER
J88MSLEIM
J88MSLESA
JOHNSON
BRP JOHNSON entire parts catalog list:
- POWER TRIM-TILT ELECTRICAL » 0125409
J100STLCEM 1989
J100STLEIE, VJ100SLEIE 1991
J100STLESB, VJ100SLESB 1990
J100WTLEIB, J100WTXEIB 1991
J100WTLENE, J100WTXENE 1992
J100WTLERS, J100WTXERS 1994
J100WTLESM, J100WTXESM 1990
J100WTLETD, J100WTXETD 1993
J100WTLZ, J100WTXZ 1989
J110MLCCA, J110TLCCA, J110TXCCA 1988
J110MLCEM, J110TLAEM, J110TLCEM, J110TXCEM, TJ110TLCEM, TJ110TXCEM 1989
J115JLEIE, J115MLEIE, J115TLAIE, J115TLEIE, J115TXEIE, TJ115TLEIE, VJ115TLAIE, VJ115TLEIE, VJ115TXEIE 1991
J115MLESB, J115TLASB, J115TLESB, J115TXESB, TJ115TLESB, VJ115TLASB, VJ115TLESB, VJ115TXESB 1990
J120TLAEM, J120TLCEM, J120TXCEM, TJ120TXCEM 1989
J120TLAIE, J120TLEIE, J120TXEIE, VJ120TLAIE, VJ120TLEIE, VJ120TXEIE 1991
J120TLASB, J120TLESB, J120TXESB, VJ120TLASB, VJ120TLESB, VJ120TXESB 1990
J125ESXESS 1990
J140CXCEC, J140TLAEB, J140TLCEB, J140TXCEB 1989
J140CXEIA, J140TLEID, J140TXEID, VJ140TLAID, VJ140TLEID, VJ140TXEID 1991
J140CXESR, J140TLASE, J140TLESE, J140TXESE, VJ140TLASE, VJ140TLESE, VJ140TXESE 1990
J200CXEIB, J200STLEID, J200TXEIB, VJ200SLEID, VJ200TXEIB 1991
J225CXEIC, J225PLEIC, J225PXEIC, J225TLEIC, J225TXEIC, VJ225PLEIC, VJ225PXEIC, VJ225TLEIC, VJ225TXEIC 1991
J40ECEC, J40ELCEC, J40RCEC, J40RLCEC, J40TECEC, J40TELCEC, J40TLCEC, J40TTLCEC, TJ40ELCEC 1989
J40EEIA, J40ELEIA, J40REIA, J40RLEIA, J40TEEIA, J40TELEIA, J40TLEIA, J40TTLEIA, TJ40ELEIA, VJ40EEIA, VJ40ELEIA, VJ40TELEIA, VJ40TLEIA 1991
J40EESR, J40ELESR, J40RESR, J40RLESR, J40TEESR, J40TELESR, J40TLESR, J40TTLESR, TJ40ELESF, TJ40ELESR, TJ40TELESF, TJ40TELESR, VJ40EESR, VJ40ELESR, VJ40TELESR, VJ40TLESR 1990
J50BECEC, J50BELCEC, J50TLCEC, TJ50TLCEC, TJ50TLESF 1989
J50BEEIA, J50BELEIA, J50JEIA, J50TELEIA, J50TLEIA, VJ50BEEIA, VJ50BELEIA, VJ50TLEIA 1991
J50BEESR, J50BELESR, J50TELESR, J50TLESR, TJ50TLESF, TJ50TLESR, VJ50BEESR, VJ50BELESR, VJ50TLESR 1990
J50TELCEC 1989
J60ELCCR, J60TLCCR, J60TTLCCR 1988
J60ELCEA, J60TLCEA, J60TTLCEA, TJ60TLCEA, TJ60TLESF 1989
J60ELEIB, J60TLEIB, TJ60TLEIB, VJ60ELEIB, VJ60TLEIB 1991
J60ELESM, J60TLESM, J60TTLESM, TJ60TLESF, TJ60TLESM, VJ60ELESM, VJ60TLESM 1990
J70ELCCA, J70TLCCA 1988
J70ELCEM, J70TLCEM, TJ70TLCEM, TJ70TLESF 1989
J70ELEIE, J70TLEIE, VJ70ELEIE, VJ70TLEIE 1991
J70ELESB, J70TLESB, TJ70TLESB, TJ70TLESF, VJ70ELESB, VJ70TLESB 1990
J88MSLCCC, J90TLCCA, VJ88MSLCCC 1988
J88MSLCCC, VJ88MSLCCC 1988
J88MSLCER, J90TLAEM, J90TLCEM, TJ90TLCEM, VJ88MSLCER 1989
J88MSLCER, VJ88MSLCER 1989
J88MSLEIM 1991
J88MSLEIM, J90JLEIE, J90TLAIE, J90TLEIE, TJ90TLEIE, VJ90MLEIE, VJ90TLAIE, VJ90TLEIE 1991
J88MSLESA, VJ88MSLESA 1990
J88MSLESA, J90TLASB, J90TLESB, TJ90TLESB, VJ88MSLESA, VJ90MLESB, VJ90TLASB, VJ90TLESB 1990
Information:
Illustration 1 g03658518
Diagram of the air/fuel ratio control
Required Inputs from the Customer
to control the air/fuel ratio, the control system depends on these inputs from the customer:
Fuel Quality
Engine LoadFuel Quality
Before the initial start-up, a current gas analysis is required. Periodic gas analyses are also recommended.Data from the gas analysis must be entered into Caterpillar Software, LERW4485, "Gas Engine Rating Pro (GERP)". The results are programmed into the ECM.Note: Is important to use the Caterpillar Software, LERW4485, "Gas Engine Rating Pro (GERP)". Use of only the data from the gas analysis can result in incorrect settings.The ECM must have values for the following parameters. The values are entered via the "Configuration" screen of Cat ET:
"Fuel Quality Input Type Configuration"
"Fuel Quality"
"Fuel Quality Sensor LHV Lower Setpoint"
"Fuel Quality Sensor LHV Upper Setpoint"
"Gas Specific Gravity"
"Fuel Specific Heat Ratio"The "Fuel Quality Input Type Configuration" parameter setting will be determined by the consistency of the fuel supply.Select "Configuration" for engines that run on a consistent fuel supply.Select "4-20 mA" for engines that utilize a 4-20 mA signal from a fuel quality sensor due to an inconsistent fuel supply.The following parameter is used only when the "Fuel Quality Input Type Configuration" is set to "Configuration":
Fuel QualityA fixed LHV will be entered in the "Fuel Quality" parameter for engines that run on a consistent fuel supply.The ECM uses the LHV to help determine the fuel command to the fuel metering valve.The fuel command is sent to the fuel metering valve via the CAN data link.The following parameters are used only when the "Fuel Quality Input Type Configuration" is set to "4-20 mA":
Fuel Quality Sensor LHV Lower Setpoint
Fuel Quality Sensor LHV Upper SetpointThe ECM provides the following information to the fuel metering valve via the CAN data link:
"Fuel Specific Heat Ratio"
"Gas Specific Gravity"Note: For more details on these parameters, refer to Systems Operation/Testing and Adjusting, "Electronic Control System Parameters".Engine Load
The ECM must have values for the following parameters. The values are entered via the "Configuration" screen of Cat ET:
"Engine Driven Accessory Load Configuration"
"Generator Efficiency"Note: For more details on these parameters, refer to Systems Operation/Testing and Adjusting, "Electronic Control System Parameters".Mode of Operation
The air/fuel ratio control has two basic modes of operation:
Open loop
NOX feedbackThe mode of operation is determined by the "Emissions Feedback Mode Configuration" parameter. Cat ET is used to change the mode of operation.Select "Disable" to activate the open loop mode.Select "Enable" to activate the feedback mode.Open Loop Mode
The open loop mode of operation uses no feedback.During operation in this mode, the ECM controls the air/fuel ratio with maps and with calculations for the desired air/fuel ratio.The air/fuel ratio is controlled in the open loop mode from start-up until the engine load becomes greater than 40 percent. Above 40 percent the engine operates in feedback mode. When operating in feedback mode, the engine load must be dropped below 25 percent for the control system to switch to open loop mode.The ECM uses a Fuel Correction Factor (FCF) to help determine the fuel command to the fuel metering valve. During operation in the open loop mode, the FCF is always 100 percent.The ECM uses the LHV to help determine the fuel command to the fuel metering valve.The LHV can be varied in the customer programmable "Fuel Quality" parameter to affect the air/fuel ratio.Refer to Systems Operation/Testing and Adjusting, "Air/Fuel Ratio Control - Adjust" .NOx Feedback
During operation in the feedback mode, the ECM continues to calculate the desired air/fuel ratio. The result is still used to calculate the fuel command.The ECM uses the following to calculate the desired NOX factor.
"Desired Engine Exhaust NOx Level Setting"
Engine load
Engine speed
The measured NOX level in the exhaust.Exhaust NOX concentration is communicated to the ECM from the NOX sensor via the CAN data link.The customer programmable "Desired Engine Exhaust NOx Level Setting" can be varied to affect the air/fuel ratio.Note: This configurable feature is only available with the Non-EPA certified arrangementThe calculation for the desired NOX level is used to adjust the FCF.Because some of the factors for calculating the desired NOX level will vary during operation, the FCF will also vary during operation.The ECM determines the fuel command to the fuel metering valve. The command is sent to the fuel metering valve via the CAN data link.Refer to Systems Operation/Testing and Adjusting, "Air/Fuel Ratio Control - Adjust" .
Parts bracket JOHNSON:
0313840
0313840 BRACKET, Motor cover, stbd.
55ES69A, 60ES70B, 60ES71C, 65ES72S, 65ES73R, 70EL76D, 70EL77S, 70EL78C, 70EL79R, 70ES74M, 70ES75B, 75ELR76D, 75ELR77S, 75ELR78C, 75ELR79R, 75ESLR75B, BJ50DTLEDC, BJ50DTLEUR, BJ60ELEDR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEDA, BJ70ELEUM, BJ70PLEEE,
0313839
0313839 BRACKET, Motor cover, port
55ES69A, 60ES70B, 60ES71C, 65ES72S, 65ES73R, 70EL76D, 70EL77S, 70EL78C, 70EL79R, 70ES74M, 70ES75B, 75ELR76D, 75ELR77S, 75ELR78C, 75ELR79R, 75ESLR75B, BJ50DTLEDC, BJ50DTLEUR, BJ60ELEDR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEDA, BJ70ELEUM, BJ70PLEEE,
0318366
0318366 BRACKET, Fuel pump
65ES73R, 70EL76D, 70EL77S, 70EL78C, 70EL79R, 70ES74M, 70ES75B, 75ELR76D, 75ELR77S, 75ELR78C, 75ELR79R, 75ESLR75B, J60ELCCR, J65RSLC, J65RSLM, J65RSLZ2, J65RWLCDR, J65RWLCOC, J65RWLCRS, J65WELEES, J65WELSIR, J65WELSSC, J65WMLCOC, J65WMLEOC, J65WRLEEO,
0329866
0329866 BRACKET,Louver mtg.
J150CXCCA, J150CXCEM, J150CXEIE, J150CXESB, J150GTLCUR, J150STLACA, J150STLCDC, J150STLCEM, J150STLCOH, J150STLCRD, J150STLCTE, J150STLEIE, J150STLESB, J175STLACM, J175STLCEB, J175STLEID, J175STLESE, J185ESERK, J185ESXENR, J185ESXESS, J185ESXETA, J18
0330814
0330814 BRACKET, Adjustment
J50TTLECA, J50TTLEDC, J50TTLEOS, J50TTLEUR, J60ELCCR, J60ELCEA, J60ELESM, J60TTLECM, J60TTLEDR, J60TTLEIB, J60TTLENE, J60TTLEOC, J60TTLERS, J60TTLETD, J60TTLEUA, J65RSLC, J65RSLM, J65RSLZ2, J65RWLCDR, J65RWLCOC, J65WRLEEO, J65WRLSIR, J65WRLSSC, J70TT
0333760
0333760 BRACKET
BJ40EEDS, BJ50BEEDS, J40ECEC, J40EEIA, J40EENJ, J40EEOD, J40EERE, J40EESR, J40EETB, J40JREDC, J40JREOS, J40JREUR, J48ESLCER, J48ESLCER, J48ESLEDC, J48ESLEDC, J48ESLEIM, J48ESLEIM, J48ESLENB, J48ESLENB, J48ESLEOS, J48ESLEOS, J48ESLERD, J48ESLERD, J48E
0333761
0333761 BRACKET
BJ40EECR, BJ40EEDS, BJ40EEEA, BJ40EEUC, BJ40ELSIF, BJ40ELSSM, BJ50BEEDS, BJ50EEER, BJ50ELSIF, BJ50ELSSA, BJ50ESECC, BJ50RLEUC, J25JRTSSS, J30JREEM, J30JRSIE, J30JRSSB, J40ECEC, J40EEIA, J40EENJ, J40EEOD, J40EERE, J40EESR, J40EETB, J40JRECA, J40JREDC,
0333766
0333766 BRACKET
BJ40EECR, BJ40EEDS, BJ40EEEA, BJ40EEUC, BJ40ELSIF, BJ40ELSSM, BJ50BEEDS, BJ50EEER, BJ50ELSIF, BJ50ELSSA, BJ50ESECC, BJ50RLEUC, J25JRTSSS, J30JREEM, J30JRSIE, J30JRSSB, J40ECEC, J40EEIA, J40EENJ, J40EEOD, J40EERE, J40EESR, J40EETB, J40JRECA, J40JREDC,