Adjusting The Idle Speed - DeWalt DXGST227CS Manuel De L'utilisateur

ADJUSTING THE IDLE SPEED

WARNING:
protective 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. 29).
• If the cutting head spins when the engine idles, reduce the idle speed. Turn the idle speed
screw counterclockwise, 1/8 of a turn at a time, until the cutting head stops moving (Fig. 29).
MAINTAINING THE SPARK PLUG
WARNING:
engine could damage the cylinder.
1. Stop the engine and allow it to cool. Grasp the spark plug boot firmly and pull it from the spark plug.
2. Clean around the spark plug. Remove the spark plug from the cylinder head with a 5/8-inch socket,
turning counterclockwise.
3. Inspect the spark plug. If the spark plug is cracked, fouled or dirty, replace it with:
• USA: replacement part #753-06847, a Champion RDJ7J or an equivalent spark plug.
• Canada: replacement part #794-00097, a Champion QDJ7J or an equivalent spark plug.
4. Use a feeler gauge to set the air gap at 0.025 in. (0.635 mm) (Fig. 30).
5. Install the spark plug in the cylinder head. Tighten the spark plug with a 5/8-inch socket, turning it
clockwise until snug.
NOTE: If using a torque wrench, torque to:
110-120 in.•lb. (12.3-13.5 N•m). Do not over tighten.
6. Reattach the spark plug boot.
The cutting head may spin during idle speed adjustments. Wear
Idle Speed Screw
Do not sand blast, scrape or clean spark plug electrodes. Grit in the
Fig. 29
33