17
23051
50-Hour Maintenance
Every 50 hours of operation
(more frequently in dusty or
dirty conditions):
■
Remove and clean the cylinder cover
and clean grass and dirt from the cylin-
der
fi
ns.
Old
Grease
New
Grease
Gear
Shaft
Collar
Figure 33
Figure 34
Filter Element
Hooked
Wire
■
Remove the cutting attachment, holder
and the gear shaft collar. Remove
the
fi
ller plug from the side of the
gearcase and press new grease into
the gearcase until the old grease has
been pushed out. Use only lithium-base
grease such as Shindaiwa Gearcase
Lubricant or equivalent. See Figure 33.
■
Use a hooked wire to extract the fuel
fi
lter from inside the fuel tank. Remove
and replace the
fi
lter element. Be-
fore reinstalling the
fi
lter, inspect the
condition of the fuel line. If damage or
deterioration are noted, the unit should
be removed from service until it can
be inspected by a Shindaiwa-trained
service technician. See Figure 34.
CAUTION!
Make sure you do not pierce the fuel
line with the end of the hooked wire,
the line is delicate and can be dam-
aged easily.
23055
Spark Arrester Installation
If engine becomes hard to start
and has low power, the spark arrester
screen should be inspected and cleaned.
Engine Cover
Engine Cover
Knob
Figure 35
Spark Arrester
Screen
WARNING!
Never operate the unit with a damaged
or missing muffl er! Operating with miss-
ing or damaged exhaust components
is a fi re hazard and could also damage
your hearing.
1. Obtain a spark arrester and retaining
screw for this particular model from an
authorized Shindaiwa dealer.
2. Remove the spark plug boot.
3. Remove the engine cover by loosen-
ing the engine cover knob (the knob is
captive) and lifting the cover from the
engine.
4. Insert the spark arrester screen into
the exhaust outlet and secure with the
retaining screw. See Figure 35.
5. Install the engine cover and tighten the
engine cover knob securely.
Spark Arrester
Retaining Screw
Muffl er
■
Remove the spark arrester screen and
clean with a stiff bristle brush.
IMPORTANT!
If carbon deposits are severe or if no
performance improvement is noted, this
unit should be inspected by an authorized
Shindaiwa servicing dealer.