GB-12
G6200
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PERIODICAL SERVICE POINTS
1. Cylinder fins
Dust clogging between the cylinder fins will cause
overheating of the engine. Periodically check and clean
the cylinder fins in the repair specialty store.
2. Fuel filter
(a) Using a wire hook, take out the filter from the filler
port.
Fuel filter
(b) Disassemble the filter and wash with gasoline, or
replace with a new one if needed.
(1) Weight
(2) Filter
(3) Strainer
(4) Retainer
NOTE
• After removing the filter, use a pinch to hold the end
of the suction pipe.
• When assembling the filter, take care not to allow
filter fibers or dust inside the suction pipe.
3. Oil tank
Drain the oil tank and clean the inside with gasoline.
4. Spark plug
0.6 ~ 0.7 mm
Champion
RCJ-7Y
Clean the electrodes with a wire brush and reset the
gap to 0.65 mm as necessary.
5. Sprocket
Check for cracks and for excessive wear interfering
with the chain drive. If the wear is considerable, replace
it with new one. Never fit a new chain on a worn sprock-
et, or a worn chain on a new sprocket.
6. Front and Rear dampers
Replace if adhered part is peeled or crack is observed
on the rubber part. Replace if the inside of the rear
damper metal has been beaten by the stopper bolt and
the clearance of the metal increased.
WARNING
• Before cleaning, the inspecting or repairing the
unit, make sure that engine has stopped and is cool.
Disconnect the spark plug to prevent accidental
starting.
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MAINTENANCE AFTER EACH USE
1. Air filter
Loosen the knob and remove the air cleaner cover. Take
off the filter element and brush off attached sawdust.
When the filter is clogged with dust, separate it in halves
and shake-wash with gasoline.
(1) Air filter
NOTE
• When servicing the air filter, be sure to block the air
intake hole with cloth.
2. Oiling port
Dismount the guide bar and check the oiling port for
clogging.
Oiling port
3. Guide bar
When the guide bar is dismounted, remove sawdust in
the bar groove and the oiling port.
Grease the nose sprocket from the feeding port on the
tip of the bar.
Grease port
Sprocket
Oiling port
4. Others
Check for fuel leakage and loose fastenings and dam-
age to major parts, especially handle joints and guide
bar mounting. If any defects are found, make sure to
have them repaired before operating the saw again.
7. Maintenance