17
251027
Prior to each work day, perform the
following:
■
Remove all dirt and debris from
the engine, check the cooling fins
and air cleaner for clogging, and
clean as necessary.
■
Carefully remove any accumula-
tions of dirt or debris from the muf-
fler and fuel tank. Check cooling
air intake area at base of crank-
case. Remove all debris. Dirt
build-up in these areas can lead to
engine overheating, fire, or prema
-
ture wear.
Daily Maintenance
WARNING!
Always wear gloves when working
around the cutter assembly.
■
Clean any debris or dirt from the-
hedge trimmer cutter blades.
■
Lubricate the blades before use
and after refueling. Check the
cutters for damage or incorrect
adjustment.
■
Check for loose or missing screws
or components. Make sure the cut-
ter attachment is securely fastened.
■
Check the entire machine for leak-
ing fuel or grease.
■
Make sure nuts, bolts, and screws
(except carburetor adjusting
screws) are tight.
Remove all dirt and debris from the
engine and check the cooling fins
Cooling
fins
Cooling
fins
Cooling
fins
Maintenance
(continued)
10-Hour maintenance
(more frequently in dusty conditions)
CAUTION!
Never operate the unit if the air
cleaner assembly is damaged or
missing!
Unscrew
Fasteners
Loosen air cleaner cover screws
Air Filter
Element
CAUTION!
Before removing the spark plug,
clean the area around the plug to
prevent dirt and debris from getting
into the engine’s internal parts.
10/15-Hour maintenance
Remove and inspect spark plug
Remove and clean or replace the
spark plug.
■
Adjust the spark plug electrode gap to
0.6 mm (0.024 inch). If the spark plug
must be replaced, use only an NGK
BPMR8Y spark plug.
spark plug gap--all models
Clean the spark plug
and check the gap at
the electrode.
0.6 mm
(0.024 inch)
1. Close choke (cold start position).
This prevents dirt from entering the
carburetor throat when the air filter
is removed. Brush accumulated dirt
from air cleaner area.
2.
Remove air filter cover. Brush dirt
from inside cover.
3.
Replace filter if it is damaged, very
dirty, or the rubber sealing edges
are deformed.
■
Lightly brush debris from filter.
■
Soak heavily soiled filters in water/
detergent solution to loosen dirt,
then brush lightly.
■
Rinse with clean water and allow to
dry completely before reuse.
4.
Install air filter in air filter case.
5.
Install air filter cover.
Содержание AHS242
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