MAINTENANCE SCHEDULE
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 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 engine perform- ance and increases fuel consumption and harmful emissions. Always clean after 10 tanks of fuel or 5 hours of operation, which- ever comes first. Clean more frequently in dusty conditions. A used aire filter can never be completely cleaned. It is advisable to re- place your air filter with a new one after every 50 hours of operation, or annually, whichever comes first.
1.Loosen 3 screws on cylinder cover.
2.Remove cylinder cover.
3.Remove air filter.
4.Clean the air filter using hot soapy water. Rinse with clean cool water. Air dry com- pletely before reinstalling.
5.Lightly oil air filter before installing to im- prove the efficiency of air filter. Use
6.Reinstall air filter.
7.Reinstall cylinder cover and 3 screws. TIghten securely.
Air Filter | Cylinder | |
Cover | ||
| ||
| Screws |
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.
CLEANING THE SPARK ARREST- ING SCREEN
Cleaning is required every 25 hours of op- eration or annually, whichever comes first.
Outlet
Guide
Muffler
Muffler
BackplateBolts
Muffler
Gasket
Bolt Cover Locknut
1.Loosen and remove 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 and backplate. Notice the ori- entation of these parts for reassembling.
4.Locate the 2 outlet cover screws on the muffler. Loosen and remove both screws.
5.Remove the outlet cover.
Outlet Cover | BACK VIEW OF |
| MUFFLER |
| Muffler |
Screws |
|
Spark Arresting |
|
Screen |
|
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 cleaning.
8.Reinstall spark arresting screen.
9.Reinstall outlet cover and 2 screws. En- sure outlet cover and both screws are re- installed correctly (see illustrations) to prevent damage to the saw. The ex- haust outlet must face the chain brake (bar side) of the saw.
Cylinder |
Cover |
Exhaust
Outlet
Outlet Cover
INSPECT MUFFLER AND SPARK ARRESTING SCREEN
WARNING: The muffler on this product contains chemicals known to the State of California to cause cancer.
Exhaust Outlet must face chain brake (bar side) of chain saw
10.Inspect the muffler gasket and replace if damaged.
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