Restricted Air Cleaner Element
To determine if a restrictive air cleaner is causing excessive black or gray smoke, perform the following:
- Remove the air filter element from the air cleaner container; refer to OEM guidelines.
- Visually inspect the air cleaner element for damage or clogging.
- If no damage or clogging is found, check the charge air cooler; refer to "21.3 Restricted or Cracked Charge Air Cooler" .
- If damage or clogging is found; refer to "21.2.1 Air Filter Element Replacement" .
Air Filter Element Replacement
Perform the following to replace the air filter element:
- Remove and replace the damaged or clogged air filter element; refer to OEM guidelines.
- Verify air filter element replacement; refer to "126.96.36.199 Test the Engine with Replaced Air Filter Element" .
Test the Engine with Replaced Air Filter Element
Perform the following to determine if the new filter element resolved excessive exhaust smoke:
- Start and run the engine.
- Run the engine at idle with a no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range.
- Visually inspect exhaust for excessive smoke.
- If the engine exhaust emission appears normal, no further troubleshooting is required. Shut the engine down.
- If the engine exhaust emission is excessively black or gray, shut the engine down. Check the charge air cooler; refer to "21.3 Restricted or Cracked Charge Air Cooler" .
|Series 50 Service Manual - 6SE50|
|Generated on 10-13-2008|