Series 50 – Section 17.12 Restrictive Air Filter

Section 17.12
Restrictive Air Filter

To determine if a restrictive air filter is causing starting difficulty, perform the following steps:‪

1. Remove the air filter element; refer to OEM guidelines.
2. Attempt to start and run the engine.
   1. If the engine starts and runs, no further troubleshooting is required. Shut the engine down.
   2. If the engine fails to start and run; refer to "17.12.1 Air Filter Replacement" .

Section 17.12.1
Air Filter Replacement

Perform the following steps for air filter replacement:‪

1. Visually inspect the air filter for clogging and replace as necessary; refer to OEM guidelines.
2. Visually inspect gaskets for deterioration and replace as necessary; refer to OEM guidelines.
3. Visually inspect air inlets for restrictions and clean as necessary; refer to OEM guidelines.
4. Verify air filter replacement; refer to "17.12.1.1 Test Engine with Replaced Air Filter" .

Section 17.12.1.1
Test Engine with Replaced Air Filter

Perform the following to determine if the replaced air filter resolved starting difficulty:‪

1. Attempt to start and run the engine.
   1. If the engine starts and runs, no further troubleshooting is required. Shut the engine down.
   2. If the engine fails to start and run, check compression; refer to "17.13 Low Compression" .