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Replace the spark arresting screen ff
breaks occur.
Spark Exhaust
Arresting Out{et
Cover
/
CLEANING THE SPARK ARREST-
ING SCREEN
C_eaning is required every 25 hours of
operation or annuatiy, whichever
comes first.
1. Loosen and remove the nut from
the exhaust outlet cover.
2. Remove the exhaust oulet cover.
3. Remove spark arresting screen.
Handle screen carefuI_y to prevent
damage.
4. Clean the spark arresting screen
gently with a wire brush. Replace
screen if breaks are found.
5. RepIace any broken or cracked
muffler parts.
6. Reinsta_ spark arresting screen, ex-
haust outlet cover, and nut. Tighten
nut securely.
REPLACE SPARK PLUG
The spark p_ug shoutd be replaced
each year to ensure the engine starts
easier and runs better. Ignition timing
is fixed and nonadjustable.
1. Loosen 3 screws on cylinder cover.
2. Remove the cylinder cover.
3. Pull offthe spark piug boot.
4. Remove spark plug from cylinder
and discard.
5. Replace with Champion RCJ-7Y
spark plug and tighten securely
with a 3/4 inch (19 mm) socket
wrench. Spark p_ug gap shouId be
0.025 inch (0,6 mm).
6. Reinstall the spark ptug boot.
7. ReinstaIi the cylinder cover and 3
screws. Tighten securely.
Cylinder
Cover
Plug Eoot
Spark
Plug
REPLACE FUEL FILTER
To replace fue_ filter, drain your unit by
running it dry of fuel. Remove fuet cap
and its connected retainer from tank.
Pu_t _ter from tank and remove from
line. Replace and reassembIe.
_ItWARNING: Disconnect the
spark plug before performing mainte-
nance, service, or adjustments except
for carburetor adjustments.
CHAIN SHARPENING
,d_ WARNING: Improper chain
sharpening techniques and/or depth
gauge maintenance will increase the
chance of kickback which can result in
serious injury.
A_LWARNING: Wear protective
gloves when handling chain. The chain
is sharp and can cut you even when it is
not moving.
Conditions which indicate the need for
chain sharpening:
• Reduction in size of wood chips. The
size of the wood chip witt decrease
as the chain gets duller until it be-
comes more like a powder than a
chip, Note that dead or rotted wood
will not produce a good chip.
• Saw cuts to one side or at an angle.
• Saw has to be forced through the cut,
Tool8 required:
• 5/32 inch (4 mm) diameter round file
and file holder
• F_atfile
• Depth gauge tool
17
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