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15
MAINTENANCE SCHEDULE
Check:
Fuel mixture level Before each use....
Bar lubrication Before each use.......
Chain tension Before each use.......
Chain sharpness Before e a ch use.....
For damaged parts Before each use...
For loose caps Before each use......
For loose fasteners Before e a ch 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 of operation is approximately
2 tanks of f uel.
GENERAL RECOMMENDATIONS
The warranty on this unit does not cover items
that have been subjected to operator abuse or
negligence. To receive full value from the war-
ranty, the operator must maintain unit as in-
structed inthis manual. Various adjustments
will need to be made periodically to properly
maintain your unit.
S Once a year , replace the spark plug, air filter,
and check guide bar and chain for wear . A
new spark plug and air filter assures proper
air-fuel mixture and helps your engine run
better and last longer.
CHECK FOR DAMAGED OR
WORN PARTS
Contact an authorized service dealer for re-
placement of damaged or worn parts.
NOTE: It is normal for a smallamount of oil
to appear under the saw after engine stops.
Do not confuse this with a leaking oil tank.
S ON/STOP Swit ch -- Ensure ON/STOP
switch functions properly by moving the
switch to the STOP position. Make sure en-
gine stops; then restart engine and continue.
S Fuel Tank -- Do not use saw if fuel tank
shows signs of damage or leaks.
S Oil Tank -- Donot use saw if oiltank shows
signs of damage or leaks.
CHECK FOR LOOSE
FASTENERS A ND PARTS
S Bar Nuts
S Chain
S Muffler
S Cylinder Shield
S Air Filter
S Handle Screws
S Vibration Mounts
S Starter Housing
S Front Hand Guard
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A dull
chain makes a sawdust powder and cuts
slowly. See CHAIN SHAR PENING.
CHECK GUIDE BAR
Conditions which require guide bar mainte-
nance:
S Saw cuts t o one side or at an angle.
S Saw has to be forced through the cut.
S Inadequate supply of oil to bar/chain.
Check the condition of guide bar each time
chain is sharpened. A worn guide bar will
damage the chain and make cutting difficult.
After each use, ensure ON/STOP switch is
in the STOP position, then clean all sawdust
from the guide ba r and sprocket hole.
To maintain guide bar:
S MoveON/STOPswitchtoSTOP.
S Loosen and remove bar knob completely by
lifting lever and turning counterclockwise.
S Loosen chain tension by turning adjusting
wheel (upward direction). Remove clutch
cove r.
S Remove bar and chain from saw.
S Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails is a normal
process o f rail wear. Remove these burrs
with a flat file.
S When r ailtop i s uneven,usea flatfile tore-
store square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when ex-
cess heating or burring of the rails occurs. If re-
placement is necessary, use only the guidebar
specified for your saw in the repair parts list or
on the decal located on the chain saw.
CHECK FUEL MIXTURE LEVEL
S See FUELING ENGINE under the OP-
ERA TION section.
LUBRICATION
Bar Oil
Fill Cap
S See GUIDE BAR AND CHAIN OIL under
the OPERA TION section.