Adjusting The Idle Speed; Maintaining The Spark Plug - DeWalt DXGHT22 Manual Del Operador

ENGLISH
MAINTENANCE - Continued

Adjusting the Idle Speed

WARNING:
move during idle speed adjustments.
Wear 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.

Maintaining the Spark Plug

WARNING:
scrape or clean spark plug
electrodes. Grit in the 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:
The blades may
Idle Speed Screw
Do not sand blast,
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).
• If the blades move when the engine
idles, reduce the idle speed. Turn the
idle speed screw counterclockwise, 1/8
of a turn at a time, until the blades stop
moving (Fig. 19).
Fig. 19
• 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. 20).
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.
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