•
AIR FILTER
Caution:
Remove fuel from unit and store in
approved container before starting this procedure.
Open fuel cap slowly to release any pressure which
may have formed in fuel tank.
To Clean Air Filter: (Fig. 14a - 14c)
1. Remove 3 screws (A) holding air filter cover in
place, pull out choke lever knob (B) remove cover
(C) and lift filter (D) from air box
2. Wash filter in soap and water. DO NOT USE
GASOLINE!
3. Air dry filter.
4. Reinstall filter.
NOTE:
Replace filter if frayed, torn, damaged or
unable to be cleaned.
•
FUEL CAP / FUEL FILTER
Caution:
Remove fuel from unit and store in
approved container before starting this procedure.
Open fuel cap slowly to release any pressure which
may have formed in fuel tank.
NOTE: Keep vent (A) on fuel cap clean of debris
(Fig.15A).
1.
Lift fuel line and filter (B) out of tank. A steel wire
(C) with a hook or a paper clip works well (Fig.
15B).
2.
Pull off with a twisting motion (Fig. 15C).
3.
Replace fuel filter (D).
NOTE:
Never operate the trimmer without the fuel
filter. Internal engine damage could result!
•
CARBURETOR ADJUSTMENT
The carburetor was pre-set at the factory for
optimum performance. If further adjustments are
necessary, please take your unit to the nearest
Authorized Service Center.
•
SPARK PLUG
1. Spark plug gap = .025" (.635mm) (Fig. 16).
2. Torque to 105 to 130 inch pounds (12 to 15 N•m).
Connect spark plug boot.
•
DEBRIS SHIELD KNIFE SHARPENING (MS 24)
1. Remove cutter knife (E) from debris shield (F)
(Fig. 19).
2. Place knife in a bench vise. Sharpen knife using a
flat file, being careful to maintain the angle of
cutting edge. File in one direction only.
•
STORING A UNIT
Warning:
Failure to follow these steps may
cause varnish to form in the carburetor and difficult
starting or permanent damage following storage.
1. Perform all the general maintenance
recommended in the Maintenance Section of your
User Manual.
2. Clean exterior of engine, drive shaft assembly,
debris shield and stringhead.
3. Drain fuel from the fuel tank.
4. After fuel is drained, start engine.
5. Run engine at idle until unit stops. This will purge
the carburetor of fuel.
6. Allow engine to cool (approx. 5 minutes).
7. Using a spark plug wrench, remove the spark
plug.
8. Pour 1 teaspoon of clean 2-cycle oil into the
combustion chamber. Pull starter rope slowly
several times to coat internal components.
Replace spark plug.
9. Store unit in a cool, dry place away from any
source of ignition such as an oil burner, water
heater, etc.
•
REMOVING A UNIT FROM STORAGE
1. Remove spark plug.
2. Pull starter rope briskly to clear excess oil from
combustion chamber.
3. Clean and gap spark plug or install a new spark
plug with proper gap.
4. Prepare unit for operation.
5. Fill fuel tank with proper fuel / oil mixture. See Fuel
and Lubrication Section.
GB
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Anleitung_MS 24 _ MSB 24 20.12.2002 9:40 Uhr Seite 25
