1R8746 INSERT, INLET Caterpillar parts
E110B, E120B, E200B
Rating:
Alternative (cross code) number:
CA1R8746
1R-8746
1R8746
CA1R8746
1R-8746
1R8746
Weight: 0.70 pounds 0 kg.
EXCAVATOR,
Information:
Which Generate This Code:The ECM detects the following conditions:
Air inlet temperature is greater than 79 °C (174 °F) for more than 4 seconds.
172-03 "Intake Manifold Air Temp open/short to +batt" is not active.
172-04 "Intake Manifold Air Temp short to ground" is not active.System Response:The ECM will log the warning.
Low power
There may be a problem with the aftercooler.
There may be a problem with the air inlet temperature sensor.Test Step 1. Check for Diagnostic Codes
Connect the electronic service tool to the service tool connector.
Turn the keyswitch to the ON position.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There should be no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem. Stop.Test Step 2. Perform a Check of the Aftercooler
Perform a check of the aftercooler. Refer to the appropriate topic in Testing and Adjusting for possible causes.Expected Result:There are no problems with the aftercooler.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem. Stop.
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem. Stop.
Air inlet temperature is greater than 79 °C (174 °F) for more than 4 seconds.
172-03 "Intake Manifold Air Temp open/short to +batt" is not active.
172-04 "Intake Manifold Air Temp short to ground" is not active.System Response:The ECM will log the warning.
Low power
There may be a problem with the aftercooler.
There may be a problem with the air inlet temperature sensor.Test Step 1. Check for Diagnostic Codes
Connect the electronic service tool to the service tool connector.
Turn the keyswitch to the ON position.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There should be no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem. Stop.Test Step 2. Perform a Check of the Aftercooler
Perform a check of the aftercooler. Refer to the appropriate topic in Testing and Adjusting for possible causes.Expected Result:There are no problems with the aftercooler.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem. Stop.
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem. Stop.
Caterpillar parts catalog:
Parts insert Caterpillar catalog:
1R7926
INSERT, INLET
E110B, E120B, E200B
E110B, E120B, E200B
0948963
INSERT
E110
E110
0947587
INSERT, VALVE SEAT EXHAUST
E110, E70, E70B
E110, E70, E70B
0947586
INSERT, VALVE SEAT EXHAUST
E110, E70, E70B
E110, E70, E70B
0968492
INSERT, VALVE SEAT INLET
E110, E70, E70B
E110, E70, E70B
0947092
INSERT, VALVE SEAT INLET
E110, E70, E70B
E110, E70, E70B
5I5525
INSERT
E110B, E120B
E110B, E120B
0990148
INSERT
E110B, E120B
E110B, E120B
0995535
INSERT
E110B, E120B
E110B, E120B
5I5524
INSERT
E110B, E120B
E110B, E120B
0990147
INSERT
E110B, E120B
E110B, E120B
1R7927
INSERT, EXHAUST
E110B, E120B, E200B
E110B, E120B, E200B