0326544 NIPPLE,Pulse hose to cylinder JOHNSON
BJ3REDS, BJ4BREDS, BJ4BREUC, J3REIA, J3RENM, J3REOD, J3RERE, J3RETB, J3REUC, J4BRECRJ, J4RDHCDE, J4REEA, J4REIA, J4RENM, J4REOD, J4RERE, J4RETB, J4RLSIB, J4RLSSM, J5RCIC, J5RCSS, J5RHCNR, J8RCIC, J8RCNR, J8RCSS
NIPPLE
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BRP JOHNSON entire parts catalog list:
- CYLINDER & CRANKCASE » 0326544
BJ4BREUC, BJ4BRLEUC, J4REUC, J4RLEUC 1997
J3REIA 1991
J3RENM 1992
J3REOD 1995
J3RERE 1994
J3RETB 1993
J3REUC 1997
J4BRECRJ, J4BRLECRJ 1998
J4RDHCDE 1986
J4REEA, J4RLEEA 1999
J4REIA, J4RLEIA 1991
J4RENM, J4RLENM 1992
J4REOD, J4RLEOD 1995
J4RERE, J4RLERE 1994
J4RETB, J4RLETB 1993
J4RLSIB, J4RSIB 2001
J4RLSSM, J4RSSM 2000
J5RCIC, J5RHCIC, J5RHLCIC, J5RLCIC 1981
J5RCSS, J5RHCSS, J5RHLCSS, J5RLCSS 1980
J5RHCNR, J5RHLCNR 1982
J8RCIC, J8RLCIC 1981
J8RCNR, J8RLCNR, J8SRLCNR 1982
J8RCSS, J8RLCSS 1980
Information:
Table 1
Diagnostic Codes Table
Code and Description Conditions which Generate this Code System Response
1177-8 Fuel Position Multiplier Sensor abnormal frequency, pulse width, or period The Engine's Electronic Control Module (ECM) detects a sensor frequency that is less than 150 Hz or a sensor frequency that is greater than 1000 Hz for two seconds.
or
The engine's ECM detects a duty cycle that is less than 10 percent or a duty cycle that is greater than 90 percent for one second. The code is logged. The fuel position multiplier is an external input to the ECM. The input reduces the available fuel rack according to the magnitude of the signal. The fuel position multiplier can be considered as an external derating of engine power. Typically, the input is a means for reducing the engine power without changing the throttle signal.The ECM reads a Pulse Width Modulated signal (PWM) that is similar to the throttle signal. Usually, a converter is used to change the signal from the torque limit control into a PWM signal. An increase in the duty cycle reduces the available fuel. For example, if the engine power output is 100 percent and the signal from the fuel position multiplier is set to 75 percent, the engine power output is reduced to 25 percent. The fuel position multiplier affects the available fuel rack instantly. The signal is applied in addition to any active derating of the engine power. For example, if the engine is presently derated by 10 percent due to high exhaust temperature and the signal from the fuel position multiplier is 25 percent, the engine power output is reduced by a total of 35 percent. A signal of 10 percent or less will dictate the multiplier to 1.0 (100 percent). A signal of 90 percent to 95 percent will dictate the multiplier to 0.0 (0 percent). A signal of 95 percent or a signal that is greater than 95 percent will dictate the multiplier to 1.0 (100 percent).
Illustration 1 g01214512
Typical schematic
Illustration 2 g01214513
(P2-69) Fuel position multiplier
Illustration 3 g01234146
Location of ECM connectors
Illustration 4 g01214515
Terminal 21 Fuel position multiplier
Test Step 1. Inspect the Electrical Connectors and the Wiring
Remove electrical power from the ECM.
Thoroughly inspect the ECM connector J2/P2. Inspect all of the other connectors. Refer to the diagnostic functional test Troubleshooting, "Inspecting Electrical Connectors" for details.
Check the ECM connector (allen head screw) for the proper torque. Refer to Troubleshooting, "Inspecting Electrical Connectors" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
Check the harness and the wiring for abrasion and pinch points. Expected Result:The components and wiring are free of the following problems: damage, corrosion, abrasion and incorrect attachment.Results:
OK - The wiring and connectors are OK. Proceed to Test Step 2.
Not OK - The wiring and/or connectors need repair.Repair: Repair the connectors or wiring and/or replace the connectors or wiring.STOPTest Step 2. Check the Wiring from the Fuel Position Multiplier
Disconnect the fuel position multiplier.
Connect a throttle position sensor or a device that will generate a 500 Hz PWM signal. Connect the attachment directly to the wiring that sends the PWM signal to the ECM. Note: Remember to remove the sensor and the attachment for the throttle when the test is complete. Reconnect the fuel position multiplier.
Restore electrical power to the ECM.
Start Caterpillar Electronic Technician (ET).
Observe the fuel position multiplier and the throttle signal on Cat ET. Set the fuel position multiplier to 0.0. Adjust the throttle from the minimum to the maximum throttle. Record the results.
Observe the fuel position multiplier and the throttle on Cat ET. Set the fuel position multiplier to 0.5. Adjust the throttle from the minimum to the maximum throttle. Record the results.
Observe the fuel position multiplier and the throttle on Cat ET. Set the fuel position multiplier to 1.0. Adjust the throttle from the minimum to the maximum throttle. Record the results.
Remove electrical power from the ECM.
Restore the wiring to the original configuration. Expected Result:The throttle on the
Parts nipple JOHNSON:
0314513
0314513 NIPPLE, Fuel
100ESL71A, 100ESL72R, 100ML79S, 10E76G, 10E77A, 10E78M, 10EL79B, 115EL77S, 115ESL69E, 115ESL70D, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 115TXL77S, 125ESL71C, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML77S, 140ML78C, 140ML79R, 150
0383719
0383719 NIPPLE & VALVE ASSEMBLY
100ESL71A, 100ESL72R, 100ML79S, 10E74G, 10E75C, 10E76G, 10E77A, 10E78M, 10EL79B, 115EL77S, 115ESL69E, 115ESL70D, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 115TXL77S, 125ESL71C, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML77S, 140ML78
0383720
0383720 NIPPLE & VALVE ASSEMBLY
100ESL71A, 100ESL72R, 100ML79S, 10E74G, 10E75C, 10E78M, 10EL79B, 115ESL69E, 115ESL70D, 115ESL73M, 115ESL74B, 115ESL75E, 115ETZ78C, 115ML79R, 125ESL71C, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 15E74G, 15E75C
0321885
0321885 NIPPLE, Lower motor cover
100ML79S, 10E77A, 10E78M, 10EL79B, 115ETZ78C, 115ML79R, 140ML78C, 140ML79R, 150TL78S, 150TL79C, 15E77M, 15E78B, 15E79E, 175TL78C, 175TL79R, 200TL78R, 200TL79A, 235TL70A, 235TL78R, 25E77S, 25E78C, 25E79R, 35E76G, 35E77C, 35E78R, 35E79A, 50R79C, 55E78S
0324667
0324667 NIPPLE,Float chamber
BJ3REDS, BJ4BREDS, BJ4BREUC, J3REIA, J3RENM, J3REOD, J3RERE, J3RETB, J3REUC, J4BRECRJ, J4RDHCDE, J4REEA, J4REIA, J4RENM, J4REOD, J4RERE, J4RETB, J4RLSIB, J4RLSSM, J5RCIC, J5RCSS, J5RHCNR, J8RCIC, J8RCNR, J8RCSS
0393511
0393511 NIPPLE & VALVE ASSY.
J10ECDB, J10ECOM, J10ELCRA, J10ELCTC, J110MLCDC, J115MLCOS, J120TLCDC, J120TLCOS, J140TLCDC, J140TLCOS, J15ECDE, J15ECOB, J15ECRM, J15ECTR, J200STLCDR, J20CRCDC, J20CRCOS, J225PTLCDA, J25ECDR, J25ECOC, J25ECRS, J25RWCDC, J25RWCOS, J25RWCRD, J28ELCDS,
0397525
0397525 NIPPLE & VALVE ASSY.
AM55RSLD, BJ10EEDD, BJ10FAEDC, BJ10FAEUR, BJ10FDLECM, BJ10FDLEDR, BJ10FDLEUA, BJ10RELEUS, BJ130PLSSS, BJ135PLSIF, BJ15EEDS, BJ15FAEDR, BJ15FAEUA, BJ15FDLECM, BJ15RELEUC, BJ20SEECB, BJ20SEEDA, BJ20SEEUM, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25ARECA, BJ2
0396462
0396462 NIPPLE & VALVE ASSY.
AM55RSLD, BJ10EEDD, BJ10FAEDC, BJ10FAEUR, BJ10FDLECM, BJ10FDLEDR, BJ10FDLEUA, BJ10RELEUS, BJ130PLSSS, BJ135PLSIF, BJ15EEDS, BJ15FAEDR, BJ15FAEUA, BJ15FDLECM, BJ15RELEUC, BJ20SEECB, BJ20SEEDA, BJ20SEEUM, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25ARECA, BJ2