Spark Arrestor - Homelite HLT25SDSN Manual

■ Unlock the retainer clockwise as shown and remove the
retainer and spool.
■ Remove all old cutter line, and replace with the correct
replacement line.
■ Once you have reloaded the line on the spool, locate it
in the correct channels.
■ Replace the spool back into the head making sure all
the lines are located correctly.
■ Have 15 cm of line protruding from the eyelets of the
string head housing.
■ Press the head into the drive shaft of lower boom to
hold it steady.
■ Replace the retainer
counterclockwise.
■ Pull excess line out to ensure no tangles in the head.
CLEANING THE EXHAUST PORT AND SILENCER
Depending on the type of fuel used, the type and amount
of lubricant used, and/or your operating conditions, the
exhaust port and silencer may become blocked with
carbon deposits. If you notice a power loss with your petrol
powered product, a qualified service technician will need to
remove these deposits to restore performance.

SPARK ARRESTOR

See page 25.
The spark arrestor must be cleaned or replaced every
25 hours or yearly to ensure proper performance of the
product. Spark arrestors may be found in different locations
depending on the model purchased. Please contact your
nearest service centre for the location of the spark arrestor
for your model.
CLEANING THE AIR FILTER
See page 23.
For proper performance and longer life, keep the foam air
filter clean.
■ Remove the air filter cover by pushing down on the
latches while gently pulling off the cover.
■ Remove the air filter.
■ Clean the foam filter element with warm, soapy water.
Rinse and let dry.
NOTE: If the foam filter element is damaged, it should
■
be replaced.
■ Apply a light coat of engine oil to the foam filter element,
then squeeze it out.
■ Reinstall the air filter.
NOTE: Make sure the filter is seated properly inside
■
the cover. Installing the filter incorrectly will allow dirt to
enter the engine, causing rapid engine wear.
■ Replace the air filter cover by placing the slots on the air
filter cover over the latches on the housing, then push
the cover down until it snaps securely in place.
and then tighten it
Original instructions
CHECKING THE FUEL CAP
WARNING
A leaking fuel cap is a fire hazard and must be replaced
immediately.
The fuel cap contains a non-serviceable filter and a check
valve. A clogged fuel filter causes poor engine performance.
If performance improves when the fuel cap is loosened, the
valve may be faulty or the filter may be clogged. Replace
the fuel cap if necessary.
REPLACING THE SPARK PLUG
See page 22.
This engine uses a Champion RCJ6Y, TORCH L7RTC or
equivalent spark plug with 0.63 mm electrode gap. Use an
exact replacement and replace annually.
Follow these steps to replace the spark plug.
■ Stop the engine.
■ Remove the spark plug boot.
■ Loosen the spark plug by turning it counterclockwise
with a combination wrench.
■ Remove the spark plug.
■ Hand thread the new spark plug, turning it clockwise.
■ Tighten with a combination wrench to 22~25 Nm
torque. Do not overtighten.
IDLE SPEED ADJUSTMENT
If the string still move at idle speed, contact an authorised
service centre for adjustment and discontinue use until the
repair is made.
CLEANING THE EXHAUST HOLE OF THE CYLINDER
AND INTAKE HOLE OF THE MUFFLER
See page 25.
CAUTION
Always stop the engine and allow it to cool down before
cleaning the exhaust hole.
■ Make sure the product is in the "off" position.
■ Remove the screws on the top and rear portions of the
housing counterclockwise.
■ Remove the rear housing from the engine.
■ Remove the muffler screws counterclockwise, and then
remove the muffler from the cylinder.
■ Use the brush to clean the exhaust hole of the cylinder
and intake hole of the muffler.
■ Replace the muffler. Replace the screws and then
tighten it clockwise.
■ Replace the rear housing. Replace the screws, and
then tighten it clockwise.
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