14
MAINTENANCESCHEDULE
Check:
Fuelmix ture level Before each use....
Bar lubrication Before each use.......
Chain tension B efore each use.......
Chain sharpness Before each use.....
For damaged parts Before each use...
For loose caps Beforeeach use......
For loose fasteners Beforeeach 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
andmuffler Every 25 hours*..........
Replace spark plug Yearly.
Replace fuel filter Yearly...
* Hou rs of Operation --
Each hour of operation is approximately
2 tanks of fuel.
AIR FILTER
CAUTION:Donot clean f ilter in gasoline
orother flammable s olvent to avoid creating
af ire hazard or producing harmful evapora-
tive emissions.
Cleaning the airfilter:
Adirty air filter decreas es the life and perfor-
manceof the engine and increas es fuel con-
sumption and harmful emissions. Always
cleany our air filter after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Cleanmore frequently in dusty c onditions. A
used air filter can never be completely
cleaned.It is advisable t o replace your air fil-
terwith a new one after ev ery 50 hours of op-
eration, or annually,w hichever comes first.
1. Loosen3 screws on c ylinder cover.
2. Removecylinder cover.
3. Removeair filter.
4. Cleantheair filt er using hot soapy w ater.
Rinse with clean cool water. Air dry
completely before reinstalling.
5. Lightlyoil air filter before installing to im-
prove the efficiency of air filter. Use
2--cycleengine oil or motor oil (SAE 30).
Squeeze excess oil from filter.
6. Reinstallair filter.
7. Reinstallc ylinder 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.
Asthe unit is us ed, carbon deposits build up
on the muffler and spark arresting screen,
andmust be removed to avoid cr eating afire
hazard or affecting engine performance.
Replacethe spark arresting s creen if breaks
occur.
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours ofop-
eration or annually,w hichever comes first.
Muffler
Gasket
Muffler
Bolts
Muffler
L
ocknut
Outlet
Guide
Bolt Cover
Backplate
1. Loosenandremove the loc knut from the
bolt cover.
2. Removethe bolt cover.
3. Loosenand remove the 2 muffler bolts.
Removethe muffler, muffler gasket, out-
let guide andbac kplate. Noticethe ori-
entationof these parts for reassembling.
4. Locatethe 2 outlet cover s crews on the
muffler. Loosen and remove both
screws.
5. Removethe outlet cover.
BACKVIEW OF
MUFFLER
Muffler
SparkArresting
Screen
OutletCover
Screws
6. Removespark arrest ing screen.
7. Clean the spark arresting screen with a
wire brush. Replace screen if any wires
arebrok enor s creen is blocked after c lea-
ning.
8. Reinstall spark arresting screen.
9. Reinstalloutletc over and 2 screws. En-
sure outlet cover and both screws are
reinstalledc orrectly (see illustrations) to
prevent damage to the saw. The ex-
haust outlet must face the chain brake
(bar side) of the saw.