REPLACE SPARK PLUG
Replace spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.025 inch. Igni- tion timing is fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2.Remove spark plug from cylinder and discard.
3.Replace with Champion
4.Reinstall the spark plug boot.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by run- ning it dry of fuel, then remove fuel
cap/retainer assembly from tank. Pull filter from tank and remove it from the
fuel line. Install new fuel filter on fuel line; reinstall parts.
Fuel U | '/ |
Fuel Filter_ | __ _,_ |
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting screws are secure and tight- ened properly to prevent damage.
Muffler Cover
_1SparkArresting
Hood
Screws
Replace the spark arresting screen ev- ery 50 hours of operation or if any dam- age or breaks in the screen are noted.
NOTE: Do not attempt to clean the spark arresting screen.
1.Remove 3 screws from muffler cov- er. Remove muffler cover.
2.Loosen and remove 4 screws from the muffler hood.
3.Remove the muffler hood and spark arresting screen.
4.Install new spark arresting screen.
5.Reinstall muffler hood and 4 screws. Tighten screws securely.
6.Reinstall muffler cover and 3
screws. Tighten securely. NOTE: If any part of the muffler is cracked, broken or damaged, we rec- ommend that the muffler be replaced.
CARBURETOR ADJUSTMENT
The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the fol- lowing conditions:
•Engine will not idle when the throttle is released.
Idle Speed Adjustment
Allow engine to idle. Adjust speed until engine runs without stalling (idle speed too slow).
•Turn idle speed screw clockwise to
increase engine speed if engine stalls or dies.
• Turn idle speed screw counterclock- wise to decrease engine speed.
Muffler | Idle Speed _"_"_/ | |
Mounting Screw | ||
| ||
INSPECT MUFFLER AND SPARK |
| |
ARRESTING SCREEN |
|
_ WARNING: The muffler on this
product contains chemicals known to the State of California to cause cancer.
As the unit is used, carbon deposits build up on the muffler and spark ar- resting screen, and must be removed to avoid creating a fire hazard or af- fecting engine performance.
Air J W / _=_
cover _jZC 2::
If you require further assistance or are unsure about performing this proce-
dure, contact your Sears Service Cen- ter or call our customer assistance
help line at
