McCulloch GBV 345 Manuel D'utilisation page 11

REPLACE SPARK PLUG
Replace spark plug each year to ensure the
engine starts easier and runs better. Set
spark plug gap at 0.6 mm. Ignition timing is
fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 19 mm
socket wrench.
4. Reinstall the spark plug boot.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by running it dry of
fuel, then remove fuel cap/retainer assembly
from tank. Pull filter from tank and remove it from
fuel line. Install new fuel filter on fuel line; reinstall
parts.
Fuel Filter
Fuel Line
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting
screws are secure and tightened properly to
prevent damage.
MAINTENANCE
Muffler
Mounting Screw
-- 11 --
CARBURETOR ADJUSTMENTS
The carburetor has been carefully set at the
factory. Adjustments may be necessary if you
notice any of the following conditions:
S Engine will not idle when the throttle is re-
leased.
Idle Speed Adjustment
Allow engine to idle. Adjust speed until engine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
crease engine speed if engine stalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
Idle Speed Screw
Air
Filter
Cover
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer.