25
MAINTENANCE
Warning: Disconnect the spark plug before performing
maintenance except for carburettor adjustments.
We recommend all service and adjustments not listed in this
manual be performed by an authorized or Service Centre.
1. Check For Damaged or Worn Parts
Contact an authorized service centre for replacement of
damaged or worn parts.
Note: It is normal for a small amount of oil to appear under the
saw after engine stops. Do not confuse this with a leaking oil
tank.
• ON/STOP Switch--Ensure ON/STOP switch functions
properly by moving the switch to the STOP position. Make
sure engine stops, then restart engine and continue.
• Fuel Tank--Do not use saw if fuel tank shows signs of
damage or leaks.
• Oil Tank--Do not use saw if oil tank shows signs of damage
or leaks.
2. Check For Loose Fasteners & Parts
• Bar Nuts
• Chain
• Muffler
• Cylinder Shield
• Air Filter
• Handle Screws
• Vibration Mounts
• Starter Housing
• Front Hand Guard
3. Check Chain Sharpness
A sharp chain makes wood chips. A dull chain makes a sawdust
powder and cuts slowly.
Chain sharpening is a complicated task and requires special
tools. We recommend that you refer chain sharpening to a
professional chain sharpener.
4. Check Guide Bar (Pic. 28 & 29)
Conditions which require guide bar maintenance:
• Saw cuts to one side or at an angle.
• Saw has to be forced through the cut.
• 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 bar and sprocket
hole.
To maintain guide bar:
• More ON/STOP switch to STOP.
• Loosen and remove bar nuts and clutch cover. Remove bar
and chain from saw.
• Clean the oil holes and bar groove after every 2 hours of
operation.
Replace guide bar when the groove is worn, the guide bar is
bent or cracked, or when excess heating or burring of the rails
occurs. If replacement is necessary, use only the guide bar
specified for your saw,
5. Clean Unit
• After each use, allow chainsaw to cool about 1 hour. Clean
the unit and decals using a damp cloth with a mild detergent.
• Wipe off unit with a clean dry cloth.
• NEVER allow water or a mild dish washing solution to enter
or drip onto the chainsaw.
• NEVER use solvents, e.g. Petrol, Toluene, Methylated Spirits
etc, to clean the chainsaw, as these will damage the surface
finish and may cause a fire when saw is next used.
6. Check Chain Brake
See CHAIN BRAKE on page 20.
7. Clean Air Filter
Caution: Do not clean filter in gasoline or other flammable
solvent to avoid creating a fire hazard or producing harmful
evaporative emissions.
Cleaning the air filter:
A dirty air filter decreases the life and performance of the
engine and increases fuel consumption and harmful emissions.
Always clean your air filter after 10 tanks of fuel or 2 hours
of operation, whichever comes first. Clean more frequently
in dusty conditions. A used air filter can never be completely
cleaned. It is advisable to replace your air filter with a new one
after every 12 hours of operation, or annually, whichever comes
first
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