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115275126 Rev. 1 9/15/09
MAINTENANCE
Maintenance schedule
Below you will find some general mainte-
nance instructions.
Daily maintenance
S Che ck throttle trigger and throttle trigger
lockout function.
S Checkthatthestopswitchworks
correctly.
S Che ck that there are no fuel leaks from
the engine, tank or fuel lines.
S Che ck that the cutter does not rotate
when the engine is idling.
S Clean the outside of the machine.
S Check that the harness is not damaged.
S Che ck that the cutting attachment guard
is not damaged or cracked.
S Rep lace the guard if it is exposed to im-
pact or is cracked.
S A non--balanced trimmer head induces
heavy vibrations that may damage the
machine.
S Check that nuts and screws are tight.
S Che ck that the screws that hold the bevel
gear are tight.
S Che ck that the trimmer head is tight.
Weekly maintenance
S Check the starter and starter cord.
S Clean the carburetor area.
S Clean the outside of the spark plug. Re-
move it and check the electrode gap. Ad-
just the gap to 0.024″ (0.6 mm), or
replace the spark plug. Use resistor spark
plug Champion RCJ--6Y or equivalent.
S Clean the cooling fins on the cylinder and
check that the air intake near the starter
is not blocked.
S Check that the bevel gear is filled with
grease up to 3/4 full. Use special grease.
S Clean the air filter.
Monthly maintenance
S Cle an the fuel tank.
S Cle an the outside of the carburetor and
the space around it.
S Cle an the fan and the area around it.
S Check fuel lines for cracks or other dam-
age. Change if necessary.
S Change the fuel filter in fuel tank.
S Check the clutch, clutch springs and the
clutch drum for wear . Replace if neces-
sary.
S Check electrical wires and connections.
S Replace the spark plug. Use resistor
spark plug Champion RCJ--6Y or equiva-
lent.
S Change the air filter.
The grease in the bevel gear does not nor-
mally need to be changed except if repairs
are carried out.
Bevel gear
(
128LD
)
The bevel gear is filled with the right quantity
of grease at the factory. However, before
using the machine you should check
that the bevel gear is filled three--quarters
full with grease. Use HUSQVARNA special
grease.