Shindaiwa AHS242ef - Manual (Page 18)

18
Maintenance (continued)
135 Hour Maintenance
WARNING!
Never operate the unit with
a damaged or missing muffler or
spark arrester! Operating with a
missing or damaged spark arrester
is a fire hazard and could also dam-
age your hearing.
Engine Cover
Screws
Muffler Cover
Engine Cover
Muffler
Cover
Screw
Spark arrester
screen
Spark arrester
cover
Outlet
Muffler
gasket
Muffler
Gasket
Muffler
screws
Muffler and spark arrester maintenance
If the engine becomes sluggish and
low on power, check and clean the
spark arrester screen.
IMPORTANT!
If you note excessive carbon buildup, con-
sult with an authorized Shindaiwa servicing
dealer.
With a 4 mm hex wrench remove the 5.
three muffler bolts and the muffler.
Inspect the cylinder exhaust port for
6.
any carbon buildup.
Gently tap the muffler on a wood
7.
surface to dislodge any loose car-
bon.
Reassemble the spark arrester, muf-
8.
fler and engine cover in the reverse
order of disassembly.
Remove the spark plug boot. 1.
With a 3 mm hex wrench remove the 2.
one muffler cover screw, three en-
gine cover screws, the engine cover
and muffler cover.
With a cross-head screwdirver
3.
remove the five screws holding the
spark arrester screen and cover to
the muffler.
Remove the screen and clean it with
4.
a stiff bristle brush.
Screws