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14
MAINTENANCE SCHEDULE
Check:
Fuel mixture level Before ea ch use....
Bar lubrication Before each use.......
Chain tension Before each use.......
Chain sharpness Before each use.....
For damaged parts B efore each use...
For loose caps Before each use......
For loose fasteners Before each use...
For loose parts Before each use......
Inspect and Clean:
Bar Before each use................
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 o f operation is approximately
2 tanks of fuel.
AIR FILT ER
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 perfor-
mance of t he engine andincreases fuelcon-
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 industy conditions. A
used air filter can never be completely
cleaned. It is advisable to replace your air fil-
ter with anew one after every 50 hours ofop-
eration, or annually, whichever comes first.
1. Loosen 3 screws on cylinder cover .
2. Remove cylinder cover .
3. Remove air filter.
4. Clean theair filter using hotsoapy 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 oil or motor oil (SAE 30).
Squeeze excess 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 muffler on this
product contains chemicals known to the
State of California to cause cancer.
As t he unit is used, carbon deposits build up
on the muffler and spark arresting screen,
and must beremoved to avoid creating a fire
hazard or affecting engine performance.
Replace thespark a rresting screen if breaks
occur.
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is r equired 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 the locknut from the
bolt cover.
2. Remove the bolt cover.
3. Loosen and remove the 2 muffler bolts.
Remove the muffler,muffler gasket, out-
let guide an d backplate. Notice the ori-
entation ofthese parts for reassembling.
4. Locate the 2 outlet cover screws o n the
muffler. Loosen and remo ve 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 o r screen i s blo cked after clea-
ning.
8. Reinstall spark arresting screen.
9. Reinstall outletcover and 2 screws. En-
sure outlet cover and both sc rews are
reinstalled correctly (see illustrations) to
prevent damage to the saw . T he ex-
haust outlet must face the chain brake
(bar side) of the saw.