0436974 PISTON, 0.030 in. O.S. JOHNSON
BJ50DTLEUR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEUM, BJ70PLEEE, BJ70PLSIS, BJ70PLSSD, J40JPLEEC, J40JPLSIA, J40JPLSSR, J50DTLECA, J50TTLECA, J50TTLEUR, J60PLEEB, J60PLSID, J60PLSSE, J60TTLECM, J60TTLEUA, J65RSLC, J65RSLM, J65RSLZ2, J65WELEES, J65W
PISTON
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Compatible models:
BJ50DTLEUR
BJ60ELEUA
BJ60TLECM
BJ70ELECB
BJ70ELEUM
BJ70PLEEE
BJ70PLSIS
BJ70PLSSD
J40JPLEEC
J40JPLSIA
J40JPLSSR
J50DTLECA
J50TTLECA
J50TTLEUR
J60PLEEB
J60PLSID
J60PLSSE
J60TTLECM
J60TTLEUA
J65RSLC
J65RSLM
J65RSLZ2
J65WELEES
J65WELSIR
J65WELSSC
J65WMLEOC
J65WRLEEO
J65WRLSIR
J65WRLSSC
SJ65RSLD
SJ65WMLD
SJ65WMLM
SJ65WMLZ2
JOHNSON
BRP JOHNSON entire parts catalog list:
- CRANKSHAFT & PISTON » 0436974
BJ60TLECM, J60TLECM 1998
BJ70ELECB, BJ70TLECB, J70TLECB 1998
BJ70ELEUM, BJ70TLEUM, HJ70TXEUM, J70TLEUM 1997
BJ70PLEEE, J70PLEEE 1999
BJ70PLSIS, J70PLSIS, J70VLSIS, RJ70PLSIS 2001
BJ70PLSSD, J70PLSSD, RJ70PLSSD 2000
J40JPLEEC 1999
J40JPLSIA, J40JVLSIA 2001
J40JPLSSR 2000
J50DTLECA 1998
J50TTLECA 1998
J50TTLEUR 1997
J60PLEEB 1999
J60PLSID, J60VLSID 2001
J60PLSSE 2000
J60TTLECM 1998
J60TTLEUA 1997
J65RSLC 1995
J65RSLM, SJ65RSLM, SJ65RSYM 1996
J65RSLZ2, SJ65RSLZ2, SJ65RSYZ2 1997
J65WELEES 1999
J65WELSIR 2001
J65WELSSC 2000
J65WMLEOC 1995
J65WRLEEO, J65WRLEES, J65WRYEEO, J65WRYEES 1999
J65WRLSIR, J65WRYSIR 2001
J65WRLSSC, J65WRYSSC 2000
SJ65RSLD, SJ65RSYD 1998
SJ65WMLD, SJ65WMYD 1998
SJ65WMLM, SJ65WMYM 1996
SJ65WMLZ2, SJ65WMYZ2 1997
Information:
Illustration 1 g00947980
Schematic of the electronic control
(1) Connector for fuel injection pump
(2) ECM
(3) Voltage load protection module
(4) Service tool connector
(5) Timing wheel
(6) Speed/timing sensor
(7) Machine interface connector
(8) Boost pressure sensor
(9) Engine coolant temperature sensor
(10) Engine oil pressure sensor
(11) Air inlet temperature sensor The electronic control system has the following components:
ECM
Pressure sensors
Temperature Sensors
Speed/timing sensor
Voltage load protection moduleECM
Illustration 2 g00908008
ECM
The ECM functions as the governor and the computer for the fuel system. The ECM receives all the signals from the sensors in order to control the timing and the engine speed.The reasons for having passwords in an ECM are the following reasons:
Reprogramming that is unauthorized
Erasing of logged events that is unauthorized
Allow the customer to control certain programmable engine parameters.The factory passwords restrict changes to authorized personnel. Factory passwords are required to clear any event code. Refer to the following Troubleshooting, "Factory Passwords" For more information on the passwords.The ECM has an excellent record of reliability. Any problems in the system are most likely to be the connectors and the wiring harness. The ECM should be the last item in troubleshooting the engine.The personality module contains the software with all the fuel setting information. The information determines the engine performance. The personality module is installed behind the access panel on the ECM. Flash programming is the method of programming or updating the personality module. Refer to the following Troubleshooting, RENR2417, "Flashing Programming " for the instructions on the flash programming of the personality module. The ECM is sealed and the ECM needs no routine adjustment or maintenance.Speed/Timing Sensor
Illustration 3 g00909870
Timing wheel on crankshaft
The primary engine position is a passive sensor. The timing wheel is located on the crankshaft. The speed/timing sensor receives a signal from the teeth on timing wheel. The extra space on the timing wheel gives one revolution per space. The space is oriented so that the space is 40 degrees after top center.
Illustration 4 g00908010
Schematic for speed/timing sensor
When the engine is cranking, the ECM uses the signal from the speed/timing sensor in the fuel injection pump. When the engine is running the ECM uses the signal from the speed/timing sensor on the crankshaft. This speed/timing sensor is the primary source of the engine position.Pressure Sensors
Illustration 5 g00896073
Schematic for pressure sensors
The boost pressure sensor and the engine oil pressure sensor are active sensors.The boost pressure sensor provides the ECM with a measurement of inlet manifold pressure in order to control the air/fuel ratio. This will reduce the engine smoke during transient conditions.The operating range for the boost pressure sensor ... 55 kPa to 339 kPa (8 psi to 50 psi)The engine oil pressure sensor provides the ECM with a measurement of engine oil pressure. The ECM can warn the operator of possible conditions that can damage the engine. This includes the detection of an oil filter that is blocked.The operating range for the engine oil pressure sensor ... 55 kPa to 339 kPa (8 psi to 50 psi)Temperature Sensors
Illustration 6 g00908817
Schematic for the temperature sensors
The air inlet temperature sensor and the coolant temperature sensor are passive sensors. Each sensor provides a temperature input to the ECM. The ECM controls following operations:
Fuel delivery
Injection timingThe operating range for the sensors ... −40 °C to 150 °C (−40 °F to 302 °F)The sensors are also used for engine monitoring.Voltage Load Protection Module
Illustration 7 g00909436
Voltage load protection module
The voltage load protection module monitors the voltage of the system. The voltage load protection module will shut down the fuel injection pump if there is a high voltage on the system.
Parts piston JOHNSON:
0322724
0322724 PISTON AND ROD ASSY.,Trim cylinder
100ML79S, 115ETZ78C, 115ML79R, 115TXL77S, 140ML77S, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 175TL77S, 175TL78C, 175TL79R, 200TL77C, 200TL78R, 200TL79A, 235TL70A, 235TL78R, 85ETLR78C, 85ML79R, 85TXLR77S, BJ250CXECB, BJ250CXEDA, BJ250CXEUM, CJ275TLCDC,
0323848
0323848 PISTON, Pump control
100ML79S, 115ETZ78C, 115ML79R, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 175TL78C, 175TL79R, 200TL78R, 200TL79A, 235TL70A, 235TL78R, 85ETLR78C, 85ML79R, BJ250CXECB, BJ250CXEDA, BJ250CXEUM, CJ275TLCDC, CJ275TLCOS, CJ300TLCDC, CJ300TLCOS, D100WTLM, J100M
0435262
0435262 PISTON ASSY.
BJ115ELEDR, BJ115ELEUA, BJ115GLECM, BJ115PLEEM, BJ115PLSIE, BJ115PLSSB, BJ50DTLEDC, BJ50DTLEUR, BJ60ELEDR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEDA, BJ70ELEUM, BJ70PLEEE, BJ70PLSIS, BJ70PLSSD, BJ90ELEDR, BJ90ELEUA, BJ90PLEEB, BJ90PLSID, BJ90PLSSE,
0435547
0435547 PISTON ASSY., Std.
BJ50DTLEUR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEUM, BJ70PLEEE, BJ70PLSIS, BJ70PLSSD, J40JPLEEC, J40JPLSIA, J40JPLSSR, J50DTLECA, J50TTLECA, J50TTLEUR, J60ELERS, J60PLEEB, J60PLSID, J60PLSSE, J60TTLECM, J60TTLERS, J60TTLEUA, J65RSLC, J65RSLM, J65R
0436979
0436979 PISTON ASSY., 0.030 in. O.S.
BJ50DTLEDC, BJ50DTLEUR, BJ60ELEDR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEDA, BJ70ELEUM, BJ70PLEEE, BJ70PLSIS, BJ70PLSSD, J40JPLEEC, J40JPLSIA, J40JPLSSR, J50DTLECA, J50DTLEOS, J50TTLECA, J50TTLEDC, J50TTLEOS, J50TTLEUR, J60ELEOC, J60ELERS, J60PLEEB
0436980
0436980 PISTON & RING ASSY., Std.
J65RSLC, J65RSLM, J65RSLZ2, J65WELEES, J65WELSIR, J65WELSSC, J65WMLEOC, J65WMLERS, J65WRLEEO, J65WRLSIR, J65WRLSSC, SJ65RSLD, SJ65WMLD, SJ65WMLM, SJ65WMLZ2
0436975
0436975 PISTON & RING ASSY., 0.030 in. O.S.
J65RSLC, J65RSLM, J65RSLZ2, J65WELEES, J65WELSIR, J65WELSSC, J65WMLEOC, J65WMLERS, J65WRLEEO, J65WRLSIR, J65WRLSSC, SJ65RSLD, SJ65WMLD, SJ65WMLM, SJ65WMLZ2
0436976
0436976 PISTON & RING ASSY., Std.
BJ50DTLEDC, BJ50DTLEUR, BJ60ELEDR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEDA, BJ70ELEUM, BJ70PLEEE, BJ70PLSIS, BJ70PLSSD, J40JPLEEC, J40JPLSIA, J40JPLSSR, J50DTLECA, J50DTLEOS, J50TTLECA, J50TTLEDC, J50TTLEOS, J50TTLEUR, J60ELEOC, J60PLEEB, J60PLSID