8
SERVICE AND ADJUSTMENTS
REPLACING THE LINE
1. Move the ON/OFF switch to the OFF
position.
2. Disconnect the spark plug lead wire.
3. Remove spool by firmly pulling on tap but-
ton. Clean entire surface of hub and
spool. Replace with a pre-wound spool, or
cut two lengths of 4 meters of 2 mm diam-
eter
McCulloch
r
brand line.
WARNING:
Never use wire, rope,
string, etc., which can break off and become a
dangerous missile.
4. Insert ends of the line about 1 cm into the
small hole on the inside of spool.
Small
Holes
Spool
Hub
Line in Notch
Line in Notch
Line exit holes
5. Wind the line evenly and tightly onto the
spool. Wind in the direction of the arrows
found on the spool.
6. Push the line into the notches, leaving 7 --
12 cm unwound.
7. Insert the line into the the exit holes in the
hub as shown in the illustration.
8. Align the notches with the line exit holes.
9. Push spool into hub until it snaps into
place.
10. Pull the lines extending outside of the hub
to release them from the notches.
CARBURETOR ADJUSTMENT
WARNING:
Keep others away when
making idle speed adjustments. The trimmer
head will be spinning during this procedure.
Wear your protective equipment and observe
all safety precautions.
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.
Make adjustments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
the unit by hand while running and making ad-
justments. Keep all parts of your body away
from the cutting attachment and muffler.
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.
Air Filter
Cover
Idle Speed
Screw
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer.
STORAGE
WARNING:
Perform the following
steps after each use:
S
Allow engine to cool before storing or trans-
porting.
S
Store unit and fuel in a well ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
S
Empty fuel tank before storing or transport-
ing the unit.
S
Store unit and fuel well out of the reach of
children.
S
Store unit with all guards in place. Position
unit so that any sharp object cannot acci-
dentally cause injury.
SEASONAL STORAGE
Prepare unit for storage at end of season or if
it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
S
Clean the entire unit before lengthy stor-
age.
S
Store in a clean dry area.
S
Lightly oil external metal surfaces.
ENGINE
S
Remove spark plug and pour 1 teaspoon of
40:1, 2-cycle engine oil (air cooled) through
the spark plug opening. Slowly pull the
starter rope 8 to 10 times to distribute oil.
S
Replace spark plug with new one of recom-
mended type and heat range.
