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14
MAINTENANCE SCHE DULE
Check:
Fuel mixture level Before each use....
Bar lubrication Before each use.......
Chain tension Before each use.......
Chain sharpness Before each u se.....
For damaged parts Before each use...
For loose caps Before each use......
For loose fasteners Before each u se...
For loose parts Before each use......
Inspect and Clean:
Bar Before each u se................
Complete saw After each use.......
Air filter Every 5 hours*.............
Chain brake Every 5 hours*.........
Spark arresting screen
and muffler Every 25 hours*..........
Replace spark plug Yearly.
Replace fuel filter Yearly...
* Hours of Operation --
Each hour of operation is approximately
2 tanks of fuel.
AIR FILTER
CAUTION
: Do not clean filter in gasoline
or other flammable solvent to avoid creating
a fire hazard or producing harmful evapora-
tive emissions.
Cleaning the air filter:
A dirty air filter decreases the life and per for-
mance of the engine andincreases fuel con-
sumption and harmful emissions. Always
clean your air filter after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Clean more frequently in dusty conditions. A
used air filter can never be completely
cleaned. It is advisable to replace your airfil-
ter withanew oneafter every 50hours ofop-
eration, or annually, whichever comes first.
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Clean t heairfilter usinghotsoapy water.
Rinse with clean cool water. Air dry
completely before reinstalling.
5. Lightly oil air filter before installing to im-
prove the efficiency of air filter. Use
2--cycle engine oilor motor oil(SAE 30).
Squeeze e xcess oil from filter.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3 screws.
TIghten securely.
Air Filter
Cylinder Co
v
er
Screws
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
WARNING: The m uffler on this
product contains chemicals known to the
State of California to cause cancer.
As the unit is used, carbon deposits buildup
on the muffler and spark a rresting screen,
and m ust beremoved toavoid creating afire
hazard or affecting engine performance.
Replacethe spark arresting screen if br eaks
occur.
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours of op-
eration or annually, whichever comes first.
Muffler
Gasket
Muffler
Bolts
Muffler
L
ocknut
Outlet
Guide
Bolt Cover
Backplate
1. Loosen andremove thelocknut fr omthe
bolt cover.
2. Remove the bolt cover.
3. Loosen and remove the 2 muffler bolts.
Remove the muf fler,muf fler gasket, out-
let guide and backplate. Notice the ori-
entationof these par tsfor r eassembling.
4. Locate the 2 outlet cover screws on the
muffler. Loosen and remove both
screws.
5. Remove the outlet cover .
BACK VIEW OF
MUFFLER
Muffler
Spark Arresting
Screen
Outlet Cover
Screws
6. Remove spark arresting screen.
7. Clean the spark arresting screen with a
wire brush. Replace screen if any wires
are broken or screen is blocked after clea-
ning.
8. Reinstall spark arresting screen.
9. Reinstall outletcover and2 screws. En-
sure outlet cover and both sc rews are
reinstalled correctly (see illustrations) to
prevent damage to the saw . The ex-
haust outlet must face the chain brake
(bar side) of the saw .