7
Air intake screen
WARNING: Stop your unit befor e at-
temptingto clean the intake sc reen. DO NO T
USE GARDEN HOSE OR PRESSURE
WASHERTO CLEAN THIS UNIT!
SClean the intake screen periodically with a
nylon brush.

CLEAN THE AIR FILTER

A dirty air filter decreases engine perfor-
mance and increases fuel consumption and
harmfulemissions. Always clean with engine
stopped. Clean filter after every 5 hours of op-
eration.
1. Clean the air filter cover and the area
aroundthe cover to prevent dir t from falling
intothe carburetor c hamberw hen thec ov-
er is removed.
2. R emove parts as illustrated. I tis not nec-
essary to remove the air filter hose from
the air filter cover.
NOTE: If the air filter hose becomes unat-
tachedf romthe c over or lower handle during
cleaning,reattach befor e attempting to restart
the engine or operate the unit.
A
ir Filter Co
v
er
Air
Filter
Screws
Air Filter
Hose
NOTE: Donot clean filter in gasoline or oth-
er flammable solvent to avoid creating a fire
hazard or producing harmful evaporative
emissions.
3. Was ht hefilt er in soap and water.
4. A llow filter to dry.
5. Add 10 -- 15 drops of oil to the filter;
squeeze the filter to distribute oil.
NOTE: FILTERMUST BE OILED!
6. R eplace parts.

REPLACE SPARKPLUG

Replace the spark plug each year to ensure
the engine starts easier and runs better. Set
sparkplug gap at 0.025 inch. Ignition timing is
fixed and nonadjustable.
1. Twist, then pull off spark plug boot.
2. Re move spark plug from cylinder and dis -
card.
3. Replace with Champion RCJ-6Y s park plug
and tighten securely with a 3/4 inch sock et
wrench.
4. Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS

REPLACING THE LINE

For unit to operate properly, the cutting line
should be replaced when line becomes worn to
less than3 inc hes in lengthfr om theedge o fthe
lineexit tunnels on each side of the cutting hea d.
WARNING: Only replace cutting line
with engine switch in the OFF position.
1. Remove and discard worn line before
installing new line.
2. U se only 0.115″(3 mm) diameter WEED
EATERbr andc ut length line.
3. I nsert one end of the line through the posi-
tioning tunnel.
4. Continue to feed line through tunnel until
lineis centered (leav ingequal amounts on
each side). See illustration below.
Positioning
tunnel
5. I nsert ends of line one at a time thr oughthe
line exit tunnels.
6. P ull the line and make sure the line is ex-
tended fully through the tunnels.
Lineex it
tunnels
7. Correctly installed line will be the same
length onboth ends .

CARBURETORADJUSTMENTS

WARNING : Keepothers away when
makingidle speed adjus tments. Thetrimmer
headwill be s pinningdur ing most of this pro-
cedure. Wear your protec tive equipmentand
observe all safety precautions. After making
adjustments, the trimmer head must not
move/spin at idle speed.
The carburetor has been carefully set at the
factory.Adjustments may be necessary if you
notice any of the following conditions:
SEngine will not idle when the throttle is re-
leased.
SThe trimmer head moves/spins at idle.