0321194 PLATE,Leaf backup JOHNSON
6R76A, 6R77M, 6R78B, 6R79E, J5RCIC, J5RCSS, J5RHCNR, J5RHCTA, J6RCCS, J6RCDE, J6RCEC, J6RCOB, J6RCRM, J6RCUD, J6RESR, J8RCCS, J8RCDE, J8RCEC, J8RCIC, J8RCNR, J8RCOB, J8RCRM, J8RCSS, J8RCTA, J8RCUD, J8RESR
PLATE
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Compatible models:
BRP JOHNSON entire parts catalog list:
- INTAKE MANIFOLD » 0321194
6R78B, 6RL78B 1978
6R79E, 6RL79E 1979
J5RCIC, J5RHCIC, J5RHLCIC, J5RLCIC 1981
J5RCSS, J5RHCSS, J5RHLCSS, J5RLCSS 1980
J5RHCNR, J5RHLCNR 1982
J5RHCTA, J5RHLCTA 1983
J6RCCS, J6RLCCS, J6SLCCS 1988
J6RCDE, J6RLCDE, J6SLCDE 1986
J6RCEC, J6RLCEC, J6SLCEC 1989
J6RCOB, J6RLCOB, J6SLCOB 1985
J6RCRM, J6RLCRM, J6SLCRM 1984
J6RCUD, J6RLCUD, J6SLCUD 1987
J6RESR, J6RLESR, J6SLESR 1990
J8RCCS, J8RLCCS, J8SRLCCS 1988
J8RCDE, J8RLCDE, J8SRLCDE 1986
J8RCEC, J8RLCEC, J8SRLCEC, TJ8RCEC, TJ8RLCEC 1989
J8RCIC, J8RLCIC 1981
J8RCNR, J8RLCNR, J8SRLCNR 1982
J8RCOB, J8RLCOB, J8SRLCOB 1985
J8RCRM, J8RLCRM, J8SRLCRM 1984
J8RCSS, J8RLCSS 1980
J8RCTA, J8RLCTA, J8SRLCTA 1983
J8RCUD, J8RLCUD, J8SRLCUD 1987
J8RESR, J8RLESR, J8SRLESR 1990
Information:
Illustration 1 g02300177
Typical view of the panel for ground level shutdown switch (left rear view of the machine)The ground level shutdown switch allows the operator to shut down the engine from outside of the cab. When the switch is toggled to the STOP position, the engine shuts down. The ECM remains powered. Return the engine shutdown switch to the RUN position and cycle the electrical power to the ECM before attempting to restart the engine.The status of the engine shutdown switch can be observed using Caterpillar Electronic Technician (ET).
Illustration 2 g02299697
Schematic for the ground level shutdown switch
Table 2
Troubleshooting Test Steps    Values    Results    
1. Inspect the Electrical Connectors and the Wiring
A. Turn the keyswitch to the OFF position.
B. Thoroughly inspect the connectors. Refer to Troubleshooting, "Electrical Connectors-Inspect" for additional information.
C. Perform a
45 N (10 lb) pull test on the connector wires.
D. Check the harness for abrasions and pinch points.
   
Connectors and Wiring
   
Result: The connectors and wiring appear to be OK.
Proceed to Test Step 2.
Result: There is a problem with the connectors and/or wiring.
Repair: Repair or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are coupled.
If the problem is not resolved, proceed to Test Step 2.
   
2. Check the Status of the Shutdown Switch on Cat ET
A. Connect Cat ET to the service tool connector.
B. Turn the keyswitch to the ON position.
C. Monitor the status screen on Cat ET while you operate the shutdown switch. Observe the status for the shutdown switch.
Note: Wait at least 30 seconds for the status of the switch to change.
   
Shutdown Switch Status
   
Result: The status of the shutdown switch reads "ON" with the shutdown switch in the STOP position. The status of the shutdown switch reads "OFF" when the shutdown switch is in the RUN position. The shutdown switch is operating normally.
Repair: The circuit for the shutdown switch appears to be operating correctly. There may be an intermittent problem in the harness or in a connector. If an intermittent problem is suspected, refer to Troubleshooting, "Electrical Connectors - Inspect".
If the repair does not resolve the problem, proceed to Test Step 3.
Result: The status of the switch does not read "ON" with the shutdown switch in the STOP position. The status of the shutdown switch does not read "OFF" when the shutdown switch is in the RUN position. There is a problem with the circuit for the shutdown switch. There may be a problem with the ECM.
Proceed to Test Step 3.
   
3. Short the Terminals at the Harness Connector for the Shutdown Switch
A. Turn the keyswitch to the OFF position.
B. Fabricate a jumper wire that is long enough to short circuit two terminals at the harness connector for the shutdown switch. Crimp connector pins to each end of the jumper wire.
C. Disconnect the harness connector for the shutdown switch.
D. Check the status of the shutdown switch while the circuit is shorted to the RUN position.
a. Install the jumper wire between terminals 1 (ground level shutdown switch (N/C)) and 2 (digital return) at the harness connector for the switch.
b. Turn the keyswitch to the ON position.
c. Observe the status of the shutdown switch using Cat ET.
Note: Wait at least 30 seconds for the status of the switch to change.
The correct status for the shutdown switch is "OFF".
d. Turn the keyswitch to the OFF position.
E. Check the status of the shutdown switch while the circuit is shorted to the STOP position.
a. Install the jumper wire between terminals 2 (digital return) and 3 (ground level shutdown switch (N/O)) at the harness connector for the switch.
b. Turn the keyswitch to the ON position.
c. Observe the status of the shutdown switch using Cat ET.
The correct status for the shutdown switch is "ON".
   
Shutdown Switch Status
   
Result: The switch status on Cat ET agrees with the test results.
Repair: There is a problem with the shutdown switch. Replace the shutdown switch. Verify that the new shutdown switch solves the problem.
If the repair does not eliminate the problem, proceed to Test Step 4.
Result: The switch status on Cat ET does not agree with the test
Parts plate JOHNSON:
0307561
0307561 PLATE,Swivel
10E74G, 10E75C, 10E76G, 10E77A, 10E78M, 10EL79B, 15E74G, 15E75C, 15E76A, 15E77M, 15E78B, 15E79E, 1R69C, 1R70R, 20R69B, 20R70C, 20R71S, 20R72R, 20R73A, 25E72R, 25E73A, 25E74M, 25E75B, 25E76E, 25E77S, 25E78C, 25E79R, 25R69B, 25R70C, 25R71S, 2R71A, 2R72
0304304
0304304 PLATE, Exhaust hsg. cover
6R69M, 6R70B, 6R71E, 6R72D, 6R73S, 6R74C, 6R75R, 6R76A, 6R77M, 6R78B, 6R79E, CD-25A
0303363
0303363 PLATE, Co-pilot
6R69M, 6R70B, 6R71E, 6R72D, 6R73S, 6R74C, 6R75R, 6R76A, 6R77M, 6R78B, 6R79E, CD-25A, VJ14RCCS, VJ14RCCS, VJ14RCEC, VJ14RCEC
0323263
0323263 PLATE, Exhaust cover
4R78E, 4R79D, BJ3REDS, BJ4BREDS, BJ4BREUC, BJ4RDHEDS, J3BRCEC, J3BRESR, J3REIA, J3RENM, J3REOD, J3RERE, J3RETB, J3REUC, J4BRCIC, J4BRECRJ, J4BRHCCS, J4BRHCDE, J4BRHCNR, J4BRHCOB, J4BRHCRM, J4BRHCTA, J4BRHCUD, J4RDHCCS, J4RDHCDE, J4RDHCEC, J4RDHCUD, J
0324824
0324824 PLATE, Spring retainer
6R79E, J5RCIC, J5RCSS, J5RHCNR, J5RHCTA, J6RCCS, J6RCDE, J6RCEC, J6RCOB, J6RCRM, J6RCUD, J6RESR, J8RCCS, J8RCDE, J8RCEC, J8RCIC, J8RCNR, J8RCOB, J8RCRM, J8RCSS, J8RCTA, J8RCUD, J8RESR
0391225
0391225 PLATE & SLEEVE ASSY.
J10ECSE, J10ELCID, J10ELCNS, J15ECIS, J15ECNC, J15ECSD, J25ECIB, J25ECNE, J25RSA, J35ECIG, J35ECND, J50BECIC, J50BECNR, J50BECTA, J50ECSR, J55RCIM, J55RLCSA, J5RCIC, J5RHCNR, J60ECIA, J60ECNM, J60ECSR, J60ECTB, J8RCIC, J8RCNR
0327944
0327944 PLATE,Throttle control
BJ10EEDD, BJ10FAEDC, BJ10FAEUR, BJ10RELEUS, BJ10RHLSDA, BJ10RHLSOR, BJ10RHLSRC, BJ10RHLSTS, BJ15EEDS, BJ15RELEUC, BJ20SRECB, BJ20SREDA, BJ20SREUM, BJ25ARECA, BJ25AREDC, BJ25AREUR, BJ25BAECM, BJ25BAEDR, BJ25BAEUA, BJ25PL3EEM, BJ25PL3SIE, BJ25PL3SSB, B
0583389
0583389 PLATE ASSEMBLY COMPLETE
J10ECCD, J10ECDB, J10ECUE, J15ECCS, J15ECDE, J15ECUD, J20CRCCA, J20CRCUR, J25ECCM, J25ECUA, J28ESLCCR, J28ESLCCR, J28ESLCUC, J28ESLCUC, J30ECCE, J30ECUB, J35AELCUD, J35RCCE, J35RCUB, J40AELCCS, J40ECUD, J48ESLCCC, J48ESLCCC, J48ESLCUS, J48ESLCUS, J50