MAINTENANCE SCHEDULE
Lubricate bar
sprocket hole . . . . . . . After each use
Check:
Fuel mixture level . . . . Before each use Bar lubrication . . . . . . . Before each use Chain tension . . . . . . . Before each use Chain sharpness . . . . Before each use For damaged parts . . Before 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 arrestor screen
and muffler . . . . . . . . . Every 25 hours* Replace spark plug . Yearly Replace fuel filter . . . Yearly
* Hours of Operation
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 engine perform- ance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation.
SClean the cover and the area around it to
keep dirt and sawdust from falling into the carburetor chamber when the cover is re- moved.
SRemove the parts as illustrated below.
SWash the filter in soap and water. Rinse in
clean cool water. Air dry completely before reinstalling.
SLightly oil air filter before installing to im- prove the efficiency of the air filter. Use
Squeeze excess oil from filter.
SReinstall parts.
Air Filter | Cylinder | |
Cover | ||
| ||
| Screws | |
| Cylinder | |
| Cover |
INSPECT MUFFLER AND SPARK ARRESTING SCREEN
As the unit is used, carbon deposits build up on the muffler and spark arresting screen, and must be removed to avoid creating a fire hazard or affecting engine performance.
Replace the spark arresting screen if breaks occur.
Muffler Diffuser
Spark
Arresting
Screen
Muffler
Cover
Screws
Muffler Muffler
BodyCover
Cleaning is required every 25 hours of opera- tion or annually, whichever comes first.
S Loosen and remove the 2 muffler cover screws.
SRemove the muffler cover (cover snaps off muffler body).
SRemove muffler diffuser and spark arresting screen assembly. Notice the orientation of these parts for reassembling.
SClean the spark arrestor screen with a wire
brush. Replace screen if breaks are found. S Replace any broken or cracked muffler
parts.
SReinstall diffuser and spark arrestor screen
assembly with round holes facing up.
SReinstall muffler cover and 2 screws. Tight- en securely.
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter caps. Carburetor adjustment is a complicated task. We recommend that you take your unit to an authorized service dealer. Damage will occur if you turn the needles beyond the limiter stops.
BAR MAINTENANCE
If your saw cuts to one side, has to be forced through the cut, or been run with an improper amount of bar lubrication it may be necessary to service your bar. A worn bar will damage your chain and make cutting difficult.
After each use, ensure ON/STOP switch is in the STOP position, then clean all sawdust from the guide bar and sprocket hole.
To maintain guide bar:
SMove ON/STOP switch to the STOP posi- tion.
SLoosen and remove chain brake nuts and chain brake. Remove bar and chain from
saw.
SClean the oil holes and bar groove after each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Sprocket Hole
Oil Holes
S Add lubricant to sprocket hole after each use.
SBurring of guide bar rails is a normal process of rail wear. Remove these burrs with a flat
file.
SWhen rail top is uneven, use a flat file to re- store square edges and sides.
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