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2.
Loosen the knob and lift off the cylinder cover
(Fig. 9).
3.
Clean all dirt and debris from the cooling fins
and from around the cylinder base.
4.
Reinstall the cylinder and air cleaner covers
(Fig. 9).
Spark Arrester
POTENTIAL HAZARD
Muffler surface becomes hot when
Trimmer is in operation and remains hot
for some time after the engine is shut off.
WHAT CAN HAPPEN
Contact with hot muffler surfaces could
cause a burn.
HOW TO AVOID THE HAZARD
Make sure the muffler is cool before
inspecting and cleaning the spark arrester.
Maintenance Interval
The spark arrester should be inspected and
cleaned after every 25 hours of use.
Replace the screen if it cannot be thoroughly
cleaned, or if it is damaged.
Spark Arrester Maintenance
Model 53010 & 53011
1.
With the engine at ambient (room) temperature,
remove the socket head screw holding the
muffler cover, then remove the muffler cover
(Fig. 32).
14
2.
Remove the four socket head screws holding the
spark arrester assembly to the muffler (Fig. 35).
3.
Remove and clean the tail, screen, gasket and
plate with a safety solvent and a stiff brush. If
any part cannot be thoroughly cleaned, it must
be replaced.
4.
Reinstall the plate, gasket, screen and tail onto
the muffler, then reinstall and tighten the four
socket head screws (Fig. 35).
5.
Reinstall the muffler cover (Fig. 32).
Model 53002 & 53003
1.
With the engine at ambient (room) temperature,
loosen the knob and remove the air cleaner cover
(Fig. 9).
2.
Loosen the knob and lift off the cylinder cover
(Fig. 9).
3.
Remove the two socket head screws holding the
spark arrester assembly to the muffler (Fig. 36).
4.
Remove and clean the tail, gasket and spark
arrester with a safety solvent and a stiff brush. If
any part cannot be thoroughly cleaned, it must
be replaced.
5.
Reinstall the spark arrester, gasket and tail onto
the muffler, then reinstall and tighten the two
socket head screws (Fig. 36).
6.
Reinstall the cylinder and air cleaner covers
(Fig. 9).
Gearcase Maintenance
The gearcase is a sealed unit which has been greased
at the factory. No gearcase maintenance or lubrication
is required or recommended.
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