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.
S Wipe 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.
Air Filter Cover
LINE REPLACEMENT
(Models W25CB, W25SB, W25CBK,
W25SBK)
WARNING:
W25SB, W25CBK, W25SBK, use only 0.080
inch (2 mm) diameter line. Other sizes of line will
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 pre-wound spool, or cut two
lengths of 12-1/2 feet of 0.080 inch (2 mm)
diameter WEED EATER brand line.
4. Insert ends of the lines about 1/2 inch (1
cm) into the small holes on the inside of
spool.
Button
Air Filter
SERVICE AND ADJUSTMENTS
For models W25CB,
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 ICES- -002.
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 RCJ-6Y.
For Canadian models only: Replace
with Champion QCJ- -6Y.
4. Tighten securely with a 3/4 inch (19 mm)
socket wrench.
5. Reinstall the spark plug boot.
Spool
Hub
Line in notch
Line exit hole
11
Small
Holes
Line in notch
Line exit hole