SUPPORT 7S8849 - Caterpillar



7S8849 SUPPORT Caterpillar parts 641B
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Alternative (cross code) number:
CA7S8849
7S-8849
7S8849
Caterpillar 7S8849 SUPPORT
Weight: 6 pounds 2 kg.

Buy SUPPORT 7S8849 Caterpillar genuine, new aftermarket tractor parts with delivery
WHEEL TRACTOR,

Compatible equipment models: 7S8849:

WHEEL TRACTOR  641B   Caterpillar
Number on catalog scheme: 14
Caterpillar 7S8849 Parts scheme SUPPORT
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Caterpillar parts catalog:

Caterpillar parts catalog
641B & 651B TRACTORS 65K00985-UP (MACHINE) POWERED BY D346 ENGINE
992 WHEEL LOADER 25K00001-00698 (MACHINE)
650B & 660B TRACTORS 58K00001-UP (MACHINE)
666B TRACTOR 66K00001-UP (MACHINE) POWERED BY D346 ENGINE
657B TRACTOR 68K00001-00892 (MACHINE)
641B & 651B TRACTORS 65K00001-00984 (MACHINE)
992 WHEEL LOADER 25K00699-01169 (MACHINE)
992B WHEEL LOADER 25K01170-UP (MACHINE) POWERED BY D348 ENGINE
657B TRACTOR 68K00893-UP (MACHINE) POWERED BY D346 ENGINE
641B & 651B TRACTORS 65K00985-UP (MACHINE) POWERED BY D346 ENGINE
657B TRACTOR 68K00893-UP (MACHINE) POWERED BY D346 ENGINE


Information:


Table 1
Switch Continuity    
Switch / CID Switch
State     Implement ECM
Connector Contact Number     Wire Number     Status    
CID 0490 Implement Lockout Switch     Not Locked     J1-33 "N/O" (1)     E917-WH     O (2)    
J1-34 "N/C" (3) E918-GN     C (4)    
Locked J1-33 "N/O"     E917-WH     C    
J1-34 "N/C" E918-GN     O    
( 1 ) Normally Open Position
( 2 ) Open
( 3 ) Normally Closed Position
( 4 ) GroundedTest Step 1. CHECK THE GROUND CIRCUIT OF THE SWITCH IN THE HARNESS
Turn the key start switch and the disconnect switch to the OFF position.
Disconnect the machine harness connector(s) from the ECM.
Measure the resistance between wire 299-BK of the machine harness for the ECM and contact 2 (wire 299-BK) at the switch.Expected Result:The resistance is less than 5 ohms. Results:
OK - The resistance is less than 5 ohms. The circuit is correct. Proceed to Test Step 2.
NOT OK - The resistance is greater than 5.0 ohms. The circuit is open. The machine harness has failed.Repair: Repair the machine harness or replace the machine harness.STOPTest Step 2. CHECK THE SWITCH CIRCUITS FOR A SHORT TO THE +BATTERY CIRCUIT
The machine harness connector(s) remains disconnected from the ECM.
The disconnect switch and the key start switch remain in the OFF position.
Disconnect contact 3 (wire E917-WH) and contact 1 (wire E918-GN) from the connector of the switch.
At the machine harness connector for the ECM, measure the resistance from contact 3 (wire E917-WH) and contact 1 (wire E918-GN) of the machine harness to all the contacts that are used in the machine harness connectors for the Implement ECM.Expected Result:Each resistance measurement is greater than 5000 ohms.Results:
OK - Each resistance measurement is greater than 5000 ohms. The harness is correct. Proceed to Test Step 3.
NO - One or more of the measurements were less than 5000 ohms. There is a short in the machine harness. Repair: The short is between wire E917-WH and the circuit with the lowest resistance measurement or the short is between wire E918-GN and the circuit with the lowest resistance measurement. Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK THE SWITCH CIRCUITS IN THE HARNESS
The machine harness remains disconnected from the ECM and the switch.
At

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