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BODY- 4415782 - Caterpillar



4415782 BODY- Caterpillar parts BODY
Rating:
31
Alternative (cross code) number:
CA4415782
441-5782
4415782
Caterpillar 4415782 BODY-
Weight: 0.01 pounds 0 kg.

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Hot oil and components can cause personal injury.Do not allow hot oil or components to contact skin.
Remove the valve cover and inspect the high pressure oil system for excessive oil leaks or discharge.
Start the engine and allow the engine to idle. Look at the injector bores for any signs of oil leakage. Inspect the spill ports on the injectors for an excessive discharge of oil. All six injectors should discharge the same amount of oil. Excessive leakage or discharge can cause issues with the system pressure.
While the engine is at low idle, perform the "Injection Actuation Pressure Test" in Cat ET. Run the test at the highest pressure in order to maximize any possible leaks. Observe the status for "Actual Injection Actuation Pressure" on Cat ET. Record the following data: ________ Any injectors with excessive leakage or discharge________ Actual injection actuation pressure at low idle
Turn the key to the "OFF" position. A electrical shock hazard is present if the key is not turned to the "OFF" position.
Disconnect the connector for the injector harness at the valve cover. Check for evidence of moisture in the connector. Refer to Troubleshooting, "Electrical Connectors - Inspect" for troubleshooting details.
Crank the engine. Observe the injector bores for any signs of leakage. Inspect the spill ports on the injectors for an excessive discharge of oil. The injectors are now disabled and the injectors should discharge very little oil, which is normal.
While the engine is cranking, perform the "Injection Actuation Pressure Test" in Cat ET. Run the test at the highest pressure in order to maximize any possible leaks. Observe the status for "Actual Injection Actuation Pressure" on Cat ET. Record the following data: ________ Any injectors with excessive leakage or discharge________ Actual injection actuation pressure while the engine is cranking
Clear any diagnostic codes that are logged. Expected Result:There are no excessive oil leaks around injector bores. Also, there is no excessive discharge of oil from the spill ports of the injector.Results:
OK - There are no excessive oil leaks around injector bores. Also, there is no excessive discharge of oil from the spill ports of the injector. Proceed to Test Step 14.
Not OK - There are excessive oil leaks around injector bores or there is an excessive discharge of oil from the spill ports of the injector.Repair: Replace the O-ring on the injector(s) that is leaking around the bore(s) or replace the damaged injector(s) that is identified with excessive discharge out of the spill ports. .Verify that the repair eliminates the problem. If the problem remains after the repair, proceed to Test Step 14.Test Step 14. Check the Oil Pressure at the Pump (High Pressure Pump Test)
Turn the key to the "OFF" position. A electrical shock hazard is present if the key is not turned to the "OFF" position.
Reconnect the connector for the injector harness at the valve cover and install the valve cover.
Escaping fluid under pressure, even a pinhole size leak, can penetrate body tissue, causing serious injury, and possible death. If fluid is


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