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Cleaning Cylinder Fins
1. Remove spark plug cover and spark plug.
2. Remove engine cover (five screws), pull cover away from engine,
and tie temporary knot in starter rope. Clean cylinder fins to allow
cooling air to pass freely.
IMPORTANT
Always reinstall spark plug cover, otherwise engine cooling will
be greatly reduced, and engine failure will result.
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Tools required:
Cross head screwdriver, Soft metal brush
Parts Required: Spark arrestor screen, Gaskets (3)
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1. Remove spark plug and engine cover (five screws).
IMPORTANT
Exact placement of exhaust gaskets on muffler is critical. Carefully
note orientation of each gasket when removing and installing.
2. Remove spark arrestor cover (A), gaskets (B), (C), (D), and spark
arrestor screen (E) from muffler.
NOTE
When cleaning carbon deposits, be careful not to damage the
catalytic element inside muffler.
3. Clean carbon deposits from muffler components.
NOTE
The exhaust gasket outlets should be partially restricted. The
gaskets will be properly assembled when all six (6) small round holes
are in alignment.
4.
Replace screen if it is cracked, plugged, or has holes burned
through.
5. Assemble components in reverse order.
P
B
OWER
LOWER
O
'
M
PERATOR
S
ANUAL
E
D
C
B
17
A
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