Shindaiwa T272 Manual Del Propietário página 14

50-Hour Maintenance
Every 50 hours of operation (more
frequently in dusty or dirty conditions):
n Remove and clean the cylinder cover and
clean grass and dirt from the cylinder fins.
n Remove the cutting attachment, cutting
attachment holder and gear shaft col-
lar. Remove the filler plug from the side
of the gearcase and press new grease
into the gearcase until the old grease
is pushed out. Use only lithium-base
grease such as Shindaiwa Gear Case
Lubricant or equivalent. See Figure 9.
New Grease
Gear Shaft Collar
Figure 29
135-Hour Maintenance
Every 135 hours of operation,
remove and clean the muffler.
WARNING!
Never operate this unit with a dam-
aged or missing muffler or spark
arrester! Operating with missing or
damaged exhaust components is a
fire hazard and could also damage
your hearing.
1. Remove the spark plug boot.
. Remove the four 4 mm engine cover
screws (two in the back and two in the
front of the cover) and lift the cover
from the engine.
3. Remove the two 5 mm muffler screws.
Remove the lower muffler screw, then
lift the muffler assembly from the
engine.
4. Seperate the muffler from the forward
muffler shield, while observing the
orientation of the components.
See Figure 31.
14
n Use a hooked wire to extract the fuel
filter from inside the fuel tank. See Fig-
ure 30. Remove and replace the filter
element. Before reinstalling the filter,
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.
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.
Old
Grease
5. Remove the spark arrester screen and
clean with a stiff bristle brush.
6. Gently tap the muffler on a wood sur-
face to dislodge any loose carbon.
7. Inspect the cylinder exhaust port for
carbon buildup.
Rear Muffler
Shield
Rear Muffler
Shield Screw
Figure 31
Figure 30
If you note excessive carbon buildup, con-
sult with an authorized servicing dealer.
8. Reassemble the muffler in the reverse
order of disassembly.
Spark Ar-
rester Screen
Muffler
Hooked
Wire
IMPORTANT!
Forward
Muffler
Shield
5 mm Muffler
Screws
Lower Muffler
Screw