Troy-Bilt TB25CB Manuel De L'utilisateur page 26

3. Wash the air filter in detergent and water. Rinse the air filter thoroughly and allow it to dry.
4. Lightly coat the air filter with clean SAE 30 oil.
5. Squeeze the air filter to spread and remove excess oil.
6. Reinstall the air filter inside the air filter cover (Fig. 18).
NOTE: Operating the unit without the air filter and air filter cover will VOID the warranty.
7. Close the air filter cover: swing the air filter cover to the left and press it closed until the lock tab
snaps into place (Fig. 18).
Lock Tab
ADJUSTING THE IDLE SPEED
WARNING:
clothing and observe all safety instructions to prevent serious personal injury.
If the engine will not idle properly:
1. Start the engine. Refer to Starting and Stopping.
2. Release the throttle control and let the engine idle.
• If the engine stops, increase the idle speed. Use a small Phillips screwdriver to turn the idle
speed screw clockwise, 1/8 of a turn at a time, until the engine idles smoothly (Fig. 19).
The cutting head will spin during idle speed adjustments. Wear protective
Fig. 18
Idle Speed Screw
Fig. 19
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Air Filter
Cover Tab
Air Filter Cover