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50 Hour Maintenance
(more frequently if reduced
performance is noted)
INSPECTION Inspect the entire
blower and tubes for damage, includ-
ing loose or missing components, and
repair as necessary.
SPARK PLUG Replace the spark plug
with a NGK BMR6A (or equivalent),
gapped to 0.6mm.
FUEL FILTER Use a wire hook to
extract the fuel filter from inside the
fuel tank, and then remove and wash
the filter element in clean fuel.
Before reinstalling the filter, inspect
the condition of the fuel line. If damage
or deterioration are noted, the blower
should be removed from service until it
can be inspected by a Shindaiwa-trained
service technician.
48015
Fuel Filter
Fuel Tank
CAUTION!
Make sure you do not pierce the fuel
line with the end of the hooked wire.
The line is delicate and can easily be
damaged.
COOLING SYSTEM Use a wood
or plastic scraper and a soft brush
to remove dirt and debris from the
cylinder fins and crankcase.
10
Spark Arrester Maintenance
Remove the Engine Cover
Engine Cover
Hard starting or a gradual loss of
performance can be caused by carbon
deposits lodged in the spark arrester
screen. For maximum performance,
the spark arrester screen should be
Wire
periodically cleaned as follows:
Hook
1. Remove the spark plug.
2. Use the 4mm Allen wrench to remove
the four engine cover screws (turn
counter-clockwise to remove), and then
remove the engine cover.
3. Use the screwdriver to remove the
three exhaust tube retaining screws,
and then remove the exhaust tube,
gasket, and screen.
4. Use a plastic scraper or wire brush
to remove carbon deposits from the
arrester screen and exhaust tube.
5. Inspect the screen carefully, and
replace any screen that has been
perforated, distorted, or is otherwise
unserviceable.
6. Reassemble the screen, gasket and
exhaust tube in the reverse order
of disassembly, and then install and
securely tighten the three exhaust tube
retaining screws.
7. Replace the engine cover, and then
install and tighten the four cover
retaining screws.
8. Install and tighten the spark plug, and
then reconnect the spark plug wire.
First, remove the
spark plug
Engine Cover
48018
Remove four allen-head
capscrews
Arrester
Screen
CAUTION!
Always assemble the four cover
retaining screws in the same holes
as removed. Substitution or incorrect
assembly of cover retaining screws
can permanently damage the
aluminum castings.
Muffler Body
48016
Gasket
Exhaust
Tube
Mounting
Screws
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