21
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
1. With the engine at ambient (room) temperature,
remove the socket head screw holding the muffler
cover, then remove the muffler cover (Fig. 26).
2. Remove the two socket head screws holding the spark
arrester assembly to the muffler (Fig. 26).
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 muffler cover (Fig. 26).
5. 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.
6. Reinstall the spark arrester, gasket and tail onto the
muffler, then reinstall and tighten the two socket head
screws (Fig. 27).
7. Reinstall the muffler covers.
m-3042
Figure 27
1. Socket Head Screw (2)
2. Tail
3. Gasket
4. Spark Arrester
5. Muffler
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