INSPECT AND CLEAN UNIT AND LABELS
S After each use, inspect complete unit for loose or damaged parts. Clean the unit and labels using a damp cloth with a mild deter- gent.
SWipe off unit with a clean dry cloth.
CLEAN AIR FILTER
A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation.
1.Clean the air filter cover and the area around it to keep dirt from falling into the carburetor chamber when the cover is opened.
2.Open air filter cover by pushing button
(see illustration). Remove air filter. NOTE: To avoid creating a fire hazard or producing harmful evaporative emissions, do not clean filter in gasoline or other flammable solvent.
3.Wash the filter in soap and water.
4.Allow filter to dry.
5.Replace air filter and close cover.
Button
Air Filter
Air Filter Cover
MUFFLER AND SPARK ARREST- ING SCREEN
As your unit is used, carbon deposits build up on the muffler and spark arresting screen. For normal homeowner use, however, the muffler and spark arresting screen will not re- quire any service.
After 50 hours of use, we recommend that your muffler be serviced or replaced by your authorized service dealer.
REPLACE SPARK PLUG
Replace the spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.025 inch (0.6 mm). Igni- tion timing is fixed and nonadjustable.
NOTE: For Canadian models only: This spark ignition system complies with the Cana- dian standard
1.Twist, then pull off spark plug boot.
2.Remove spark plug from cylinder and dis- card.
3.For U.S. models only: Replace with Champion
For Canadian models only: Replace with Champion
4.Tighten securely with a 3/4 inch (19 mm) socket wrench.
5.Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS
LINE REPLACEMENT
(Models W25CB, W25SB, W25CBK, W25SBK)
WARNING: For models W25CB, W25SB, W25CBK, W25SBK, use only 0.080 inch (2 mm) diameter line. Other sizes of linewill not advance properly and will result in improper cutting head function or can cause serious injury. For models W25CF, W25SF, W25CFK, W25SFK, use only 0.095 inch (2.4 mm) diame- ter cut length line. Do not use other materials such as wire, string, rope, etc. Wire can break off during cutting and become a dangerous pro- jectile that can cause serious injury.
1.Remove spool by firmly pulling on tap button.
2.Clean entire surface of hub and spool.
3.Replace with a
4.Insert ends of the lines about 1/2 inch (1 cm) into the small holes on the inside of spool.
Small
Holes
Spool
Line in notch
Hub | Line exit hole |
|
Line in notch
Line exit hole
11
